介绍

本页面提供了有关 James R. Scapa Declaration of Trust 已知的内部交易历史的全面分析。内部人士包括公司的高管、董事或重要投资者。一般而言,基于内幕、非公开信息进行交易是非法的。这并不意味着他们在自己的公司进行任何交易都是非法的。但是,他们必须通过Form 4向美国证券交易委员会(SEC)报告所有交易。尽管存在这些限制,学术研究表明,整体而言,内部人士在自己公司中的投资表现往往优于市场。

平均交易盈利能力

“平均交易盈利能力”衡量了内部人士在过去三年中所有非计划性的公开市场买入交易的平均回报率。计算过程包括检查每笔交易,排除了作为10b5-1交易计划的一部分的交易。然后,对每笔交易在3、6和12个月的表现进行平均,以生成该笔交易最终的表现指标。然后,将所有交易的表现指标进行平均,计算出内部人士的总体平均表现指标。列表仅包含在过去两年中进行过至少三笔交易的内部人士。

如果内部人士的交易盈利能力显示为"N/A",则可能是因为该内部人士在过去三年内没有进行任何公开市场买入交易,或者他们进行的交易距离现在时间太近,无法计算出可靠的表现指标。

更新频率:每日

查看收益最高的的内幕交易者列表。

报告内部持仓的公司

美国证券交易委员会(SEC)文件显示James R. Scapa Declaration of Trust已报告在以下公司拥有持仓或进行了交易:

证券 职位 最新报告的持仓
US:ALTR / Altair Engineering Inc. 10% Owner 0
如何解读这些图表

以下图表显示了在James R. Scapa Declaration of Trust进行的每笔公开市场非计划交易后证券的股价表现。非计划交易是指没有作为10b5-1交易计划的一部分而进行的交易。股价表现以累积百分比变化的方式绘制。例如,如果一笔内部人士交易是在2019年1月1日进行的,该图表将显示该证券的每日百分比变化直至当前日期。如果在此期间股价从10美元涨至15美元,则股价的累积百分比变化将为50%。从10美元涨至20美元的价格变化将为100%,而从10美元跌至5美元的价格变化将为-50%。

最终,我们将评估内部人士的交易与股价的超额回报(正向或负向)之间的相关性,以判断内部人士是否在交易中利用内部信息获利。如果内部人士有这样的行为,我们预期看到(a)买入后的正回报,或者(b)卖出后的负回报。对于情况(a),买入图表将显示一系列向上倾斜的曲线,表示每次买入后都有正回报。对于情况(b),卖出图表将显示一系列向下倾斜的曲线,表示每次卖出后都有负回报。

然而,仅凭这一点还不足以得出结论。例如,如果公司的股价在多年内呈现非周期性上升,我们会预期所有买入后的图表都呈现向上倾斜。同样地,多年来呈现非周期性下降的股价会导致卖出后的图表也呈现向下倾斜。这两种情况的图表都不能表示内部人士在进行内幕交易。

最有力的指标是在公司股价呈极度循环波动的情况下,“买入”图表显示正向信号,而“卖出”图表显示负向趋势。这种情况强烈暗示内部人士可能根据内幕信息精确地计时进行交易,以获得财务优势。

内幕交易历史

该表格显示了由 James R. Scapa Declaration of Trust 进行的所有内幕交易的完整列表,这些交易已向美国证券交易委员会(SEC)披露。

备案日期 交易日期 表格 股票代码 证券 代码 10b5-1 股数 剩余股数 %
变化
每股
股价
交易
金额
剩余
金额
2024-12-02 2024-11-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,500 0 -100.00 105.69 -686,988
2024-12-02 2024-11-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-10-29 2024-10-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -295 0 -100.00 103.84 -30,633
2024-10-29 2024-10-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,522 295 -89.53 103.19 -260,251 30,442
2024-10-29 2024-10-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,683 2,817 -56.66 102.08 -375,963 287,561
2024-10-29 2024-10-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-10-01 2024-09-30 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -928 0 -100.00 95.55 -88,668
2024-10-01 2024-09-30 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,572 928 -85.72 95.03 -529,501 88,187
2024-10-01 2024-09-30 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-08-29 2024-08-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,490 0 -100.00 89.53 -133,404
2024-08-29 2024-08-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,010 1,490 -77.08 88.89 -445,335 132,445
2024-08-29 2024-08-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-07-30 2024-07-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,483 0 -100.00 88.60 -131,389
2024-07-30 2024-07-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,017 1,483 -77.18 87.96 -441,318 130,452
2024-07-30 2024-07-29 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-07-01 2024-06-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -900 0 -100.00 99.57 -89,609
2024-07-01 2024-06-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,761 900 -66.18 98.67 -173,765 88,806
2024-07-01 2024-06-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,839 2,661 -59.06 97.77 -375,333 260,162
2024-07-01 2024-06-28 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-06-11 2024-06-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -100 0 -100.00 94.18 -9,418
2024-06-11 2024-06-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,950 100 -98.02 93.28 -461,716 9,328
2024-06-11 2024-06-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,450 5,050 -22.31 92.71 -134,435 468,203
2024-06-11 2024-06-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,500 6,500
2024-03-19 2024-03-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,500 0 -100.00 80.84 -363,778
2024-03-19 2024-03-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -500 4,500 -10.00 79.87 -39,934 359,405
2024-03-19 2024-03-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2024-02-20 2024-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,789 0 -100.00 91.35 -254,768
2024-02-20 2024-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,211 2,789 -44.22 90.72 -200,575 253,010
2024-02-20 2024-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2024-01-18 2024-01-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,904 0 -100.00 83.91 -243,676
2024-01-18 2024-01-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,096 2,904 -41.92 83.48 -174,980 242,434
2024-01-18 2024-01-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-12-19 2023-12-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -67 0 -100.00 74.58 -4,997
2023-12-19 2023-12-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,933 67 -98.66 74.11 -365,578 4,965
2023-12-19 2023-12-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-11-17 2023-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -800 0 -100.00 73.60 -58,882
2023-11-17 2023-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,253 800 -80.26 72.48 -235,792 57,988
2023-11-17 2023-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -947 4,053 -18.94 71.74 -67,935 290,750
2023-11-17 2023-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-10-17 2023-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -350 0 -100.00 66.05 -23,119
2023-10-17 2023-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,348 350 -90.54 65.44 -219,103 22,905
2023-10-17 2023-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,302 3,698 -26.04 64.48 -83,948 238,432
2023-10-17 2023-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-09-19 2023-09-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,000 0 -100.00 65.29 -326,450
2023-09-19 2023-09-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-08-17 2023-08-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,000 0 -100.00 62.46 -312,325
2023-08-17 2023-08-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-07-18 2023-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,601 0 -100.00 75.14 -195,444
2023-07-18 2023-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,399 2,601 -47.98 74.66 -179,114 194,196
2023-07-18 2023-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-06-20 2023-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,400 0 -100.00 75.63 -105,883
2023-06-20 2023-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,600 1,400 -72.00 75.00 -269,993 104,997
2023-06-20 2023-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-05-17 2023-05-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,000 0 -100.00 67.94 -339,715
2023-05-17 2023-05-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-04-18 2023-04-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -291 0 -100.00 71.08 -20,685
2023-04-18 2023-04-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,709 291 -94.18 70.28 -330,963 20,452
2023-04-18 2023-04-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 5,000 5,000
2023-03-16 2023-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -8,676 0 -100.00 66.49 -576,859
2023-03-16 2023-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -11,324 8,676 -56.62 65.91 -746,376 571,844
2023-03-16 2023-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,000 20,000
2023-02-16 2023-02-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,396 0 -100.00 58.15 -197,464
2023-02-16 2023-02-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -16,604 3,396 -83.02 57.60 -956,440 195,620
2023-02-16 2023-02-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,000 20,000
2023-01-19 2023-01-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -20,000 0 -100.00 49.90 -998,100
2023-01-19 2023-01-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,000 20,000
2023-01-10 2023-01-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -289 0 -100.00 49.05 -14,175
2023-01-10 2023-01-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -19,711 289 -98.56 48.44 -954,840 14,000
2023-01-10 2023-01-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,000 20,000
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -23,669 10,426,610 -0.23
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -484 0 -100.00 72.73 -35,203
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,112 484 -94.96 72.32 -658,989 35,003
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,696 9,596 -44.51 71.13 -547,409 682,554
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,377 17,292 -26.94 70.10 -447,047 1,212,221
2021-12-17 2021-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 23,669 23,669
2021-11-19 2021-11-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -9,867 10,450,279 -0.09
2021-11-19 2021-11-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,867 0 -100.00 78.27 -772,300
2021-11-19 2021-11-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 9,867 9,867
2021-11-17 2021-11-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -8,099 10,460,146 -0.08
2021-11-17 2021-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,294 0 -100.00 79.33 -340,652
2021-11-17 2021-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,805 4,294 -46.98 78.86 -300,074 338,638
2021-11-17 2021-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 8,099 8,099
2021-11-17 2021-11-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -7,751 10,468,245 -0.07
2021-11-17 2021-11-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -135 0 -100.00 78.36 -10,579
2021-11-17 2021-11-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,616 135 -98.26 77.75 -592,114 10,496
2021-11-17 2021-11-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 7,751 7,751
2021-10-21 2021-10-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -11,955 10,475,996 -0.11
2021-10-21 2021-10-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -8,195 0 -100.00 74.27 -608,675
2021-10-21 2021-10-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,760 8,195 -31.45 73.76 -277,353 604,496
2021-10-21 2021-10-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 11,955 11,955
2021-10-19 2021-10-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,597 10,487,951 -0.14
2021-10-19 2021-10-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -14,097 0 -100.00 73.69 -1,038,780
2021-10-19 2021-10-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -500 14,097 -3.43 72.85 -36,424 1,026,938
2021-10-19 2021-10-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,597 14,597
2021-10-19 2021-10-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -13,448 10,502,548 -0.13
2021-10-19 2021-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,826 0 -100.00 73.91 -504,503
2021-10-19 2021-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,622 6,826 -49.24 73.01 -483,459 498,353
2021-10-19 2021-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 13,448 13,448
2021-09-20 2021-09-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -22,151 10,515,996 -0.21
2021-09-20 2021-09-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -100 0 -100.00 76.11 -7,611
2021-09-20 2021-09-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,925 100 -97.52 75.16 -295,023 7,516
2021-09-20 2021-09-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -18,126 4,025 -81.83 74.55 -1,351,257 300,056
2021-09-20 2021-09-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 22,151 22,151
2021-09-17 2021-09-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -9,031 10,538,147 -0.09
2021-09-17 2021-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,358 0 -100.00 75.55 -102,596
2021-09-17 2021-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,673 1,358 -84.96 75.02 -575,613 101,874
2021-09-17 2021-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 9,031 9,031
2021-09-17 2021-09-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -8,818 10,547,178 -0.08
2021-09-17 2021-09-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,868 0 -100.00 75.60 -368,045
2021-09-17 2021-09-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,950 4,868 -44.79 75.14 -296,811 365,791
2021-09-17 2021-09-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 8,818 8,818
2021-08-19 2021-08-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -13,907 10,555,996 -0.13
2021-08-19 2021-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -200 0 -100.00 71.41 -14,282
2021-08-19 2021-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -13,707 200 -98.56 70.92 -972,100 14,184
2021-08-19 2021-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 13,907 13,907
2021-08-18 2021-08-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -7,279 10,569,903 -0.07
2021-08-18 2021-08-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,279 0 -100.00 71.10 -517,559
2021-08-18 2021-08-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 7,279 7,279
2021-08-18 2021-08-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,814 10,577,182 -0.18
2021-08-18 2021-08-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -15,661 0 -100.00 72.24 -1,131,398
2021-08-18 2021-08-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,153 15,661 -16.76 71.52 -225,512 1,120,122
2021-08-18 2021-08-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,814 18,814
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -11,180 10,595,996 -0.11
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,266 0 -100.00 65.88 -83,404
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,203 1,266 -85.05 65.32 -470,478 82,691
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,411 8,469 -14.28 63.99 -90,288 541,923
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,300 9,880 -11.63 63.34 -82,343 625,809
2021-07-20 2021-07-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 11,180 11,180
2021-07-19 2021-07-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,994 10,607,176 -0.14
2021-07-19 2021-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,773 0 -100.00 66.34 -316,631
2021-07-19 2021-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,844 4,773 -37.34 65.47 -186,188 312,474
2021-07-19 2021-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,377 7,617 -49.20 64.39 -474,998 490,451
2021-07-19 2021-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,994 14,994
2021-07-19 2021-07-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -13,826 10,622,170 -0.13
2021-07-19 2021-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -126 0 -100.00 67.80 -8,542
2021-07-19 2021-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,931 126 -95.88 66.66 -195,372 8,399
2021-07-19 2021-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -10,769 3,057 -77.89 65.83 -708,966 201,255
2021-07-19 2021-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 13,826 13,826
2021-06-21 2021-06-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -9,940 10,635,996 -0.09
2021-06-21 2021-06-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -200 0 -100.00 63.42 -12,685
2021-06-21 2021-06-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,740 200 -97.99 62.98 -613,425 12,596
2021-06-21 2021-06-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 9,940 9,940
2021-06-17 2021-06-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,231 10,645,936 -0.17
2021-06-17 2021-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -200 0 -100.00 64.64 -12,928
2021-06-17 2021-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,693 200 -97.47 63.82 -490,998 12,765
2021-06-17 2021-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -10,338 7,893 -56.71 63.13 -652,679 498,317
2021-06-17 2021-06-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,231 18,231
2021-06-17 2021-06-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -11,829 10,664,167 -0.11
2021-06-17 2021-06-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -196 0 -100.00 66.54 -13,042
2021-06-17 2021-06-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,418 196 -94.58 65.60 -224,224 12,858
2021-06-17 2021-06-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -8,215 3,614 -69.45 64.66 -531,207 233,692
2021-06-17 2021-06-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 11,829 11,829
2021-05-20 2021-05-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -12,980 10,675,996 -0.12
2021-05-20 2021-05-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -600 0 -100.00 62.38 -37,430
2021-05-20 2021-05-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,156 600 -87.38 61.97 -257,556 37,183
2021-05-20 2021-05-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -8,224 4,756 -63.36 60.82 -500,184 289,260
2021-05-20 2021-05-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 12,980 12,980
2021-05-19 2021-05-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -17,515 10,688,976 -0.16
2021-05-19 2021-05-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,681 0 -100.00 65.61 -241,503
2021-05-19 2021-05-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,802 3,681 -64.89 64.71 -440,144 238,190
2021-05-19 2021-05-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,032 10,483 -40.15 63.65 -447,580 667,232
2021-05-19 2021-05-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 17,515 17,515
2021-05-19 2021-05-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -9,505 10,706,491 -0.09
2021-05-19 2021-05-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -200 0 -100.00 65.77 -13,154
2021-05-19 2021-05-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,305 200 -97.90 65.08 -605,541 13,015
2021-05-19 2021-05-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 9,505 9,505
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -40,000 10,715,996 -0.37
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,300 0 -100.00 66.18 -86,038
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,541 1,300 -85.30 65.20 -491,681 84,761
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,162 8,841 -36.86 64.30 -331,896 568,441
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,900 14,003 -29.64 63.31 -373,529 886,530
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,532 19,903 -21.75 62.35 -344,920 1,240,952
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -14,565 25,435 -36.41 61.42 -894,553 1,562,167
2021-04-16 2021-04-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 40,000 40,000
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -6,998 10,755,996 -0.07
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,583 0 -100.00 60.54 -156,370
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,415 2,583 -63.09 60.08 -265,262 155,192
2021-03-18 2021-03-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,998 6,998
2021-03-17 2021-03-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -19,086 10,762,994 -0.18
2021-03-17 2021-03-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,955 0 -100.00 61.71 -305,768
2021-03-17 2021-03-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -10,806 4,955 -68.56 60.90 -658,075 301,755
2021-03-17 2021-03-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,325 15,761 -17.42 60.20 -200,152 948,749
2021-03-17 2021-03-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 19,086 19,086
2021-03-17 2021-03-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -13,916 10,782,080 -0.13
2021-03-17 2021-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -7,521 0 -100.00 61.85 -465,151
2021-03-17 2021-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,895 7,521 -43.94 60.70 -357,850 456,555
2021-03-17 2021-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -500 13,416 -3.59 59.82 -29,908 802,505
2021-03-17 2021-03-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 13,916 13,916
2021-02-19 2021-02-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -3,755 10,795,996 -0.03
2021-02-19 2021-02-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -764 0 -100.00 61.51 -46,997
2021-02-19 2021-02-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,991 764 -79.65 61.01 -182,487 46,613
2021-02-19 2021-02-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 3,755 3,755
2021-02-18 2021-02-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,062 10,799,751 -0.17
2021-02-18 2021-02-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -944 0 -100.00 64.08 -60,492
2021-02-18 2021-02-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,677 944 -73.93 63.30 -169,441 59,750
2021-02-18 2021-02-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -14,441 3,621 -79.95 62.28 -899,371 225,512
2021-02-18 2021-02-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,062 18,062
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,183 10,817,813 -0.17
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,768 0 -100.00 67.87 -119,989
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,094 1,768 -74.23 67.11 -341,869 118,654
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,378 6,862 -38.95 66.18 -289,727 454,113
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -6,943 11,240 -38.18 65.05 -451,614 731,117
2021-02-18 2021-02-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,183 18,183
2021-01-22 2021-01-20 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -7,430 10,835,996 -0.07
2021-01-22 2021-01-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,595 0 -100.00 62.06 -285,161
2021-01-22 2021-01-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,835 4,595 -38.16 61.63 -174,721 283,190
2021-01-22 2021-01-20 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 7,430 7,430
2021-01-20 2021-01-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -17,737 10,843,426 -0.16
2021-01-20 2021-01-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -283 0 -100.00 61.27 -17,339
2021-01-20 2021-01-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -17,454 283 -98.40 60.66 -1,058,690 17,166
2021-01-20 2021-01-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 17,737 17,737
2021-01-20 2021-01-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,833 10,861,163 -0.14
2021-01-20 2021-01-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,361 0 -100.00 61.06 -205,236
2021-01-20 2021-01-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -11,472 3,361 -77.34 60.12 -689,731 202,073
2021-01-20 2021-01-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,833 14,833
2020-12-21 2020-12-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -3,906 10,875,996 -0.04
2020-12-21 2020-12-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,000 0 -100.00 58.33 -58,332
2020-12-21 2020-12-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,906 1,000 -74.40 57.67 -167,583 57,668
2020-12-21 2020-12-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 3,906 3,906
2020-12-17 2020-12-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,082 10,879,902 -0.17
2020-12-17 2020-12-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -400 0 -100.00 57.57 -23,028
2020-12-17 2020-12-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -17,682 400 -97.79 57.00 -1,007,945 22,802
2020-12-17 2020-12-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,082 18,082
2020-12-17 2020-12-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,012 10,897,984 -0.17
2020-12-17 2020-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,314 0 -100.00 57.07 -303,281
2020-12-17 2020-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -12,698 5,314 -70.50 56.73 -720,370 301,469
2020-12-17 2020-12-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,012 18,012
2020-11-18 2020-11-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -20,994 10,915,996 -0.19
2020-11-18 2020-11-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -8,631 0 -100.00 49.50 -427,260
2020-11-18 2020-11-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -12,363 8,631 -58.89 49.10 -606,999 423,765
2020-11-18 2020-11-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,994 20,994
2020-11-18 2020-11-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -19,006 10,936,990 -0.17
2020-11-18 2020-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,898 0 -100.00 49.44 -192,725
2020-11-18 2020-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -15,108 3,898 -79.49 48.98 -739,945 190,912
2020-11-18 2020-11-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 19,006 19,006
2020-10-21 2020-10-19 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -9,126 10,955,996 -0.08
2020-10-21 2020-10-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,126 0 -100.00 46.29 -422,452
2020-10-21 2020-10-19 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 9,126 9,126
2020-10-19 2020-10-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -11,586 10,965,122 -0.11
2020-10-19 2020-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -11,586 0 -100.00 46.28 -536,212
2020-10-19 2020-10-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 11,586 11,586
2020-10-19 2020-10-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -19,288 10,976,708 -0.18
2020-10-19 2020-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -874 0 -100.00 46.18 -40,360
2020-10-19 2020-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -18,414 874 -95.47 45.75 -842,404 39,984
2020-10-19 2020-10-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 19,288 19,288
2020-09-17 2020-09-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -26,131 10,995,996 -0.24
2020-09-17 2020-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -14,287 0 -100.00 40.44 -577,795
2020-09-17 2020-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -11,844 14,287 -45.33 41.30 -489,134 590,025
2020-09-17 2020-09-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 26,131 26,131
2020-09-17 2020-09-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -13,869 11,022,127 -0.13
2020-09-17 2020-09-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -13,869 0 -100.00 39.66 -549,975
2020-09-17 2020-09-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 13,869 13,869
2020-08-19 2020-08-18 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -23,674 11,035,996 -0.21
2020-08-19 2020-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -9,826 0 -100.00 41.52 -407,976
2020-08-19 2020-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -13,848 9,826 -58.49 40.91 -566,508 401,972
2020-08-19 2020-08-18 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 23,674 23,674
2020-08-19 2020-08-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -16,326 11,059,670 -0.15
2020-08-19 2020-08-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -101 0 -100.00 40.84 -4,124
2020-08-19 2020-08-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -16,225 101 -99.38 40.43 -656,025 4,084
2020-08-19 2020-08-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 16,326 16,326
2020-07-20 2020-07-17 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -6,576 11,075,996 -0.06
2020-07-20 2020-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,358 0 -100.00 38.20 -90,087
2020-07-20 2020-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,218 2,358 -64.14 37.62 -158,685 88,710
2020-07-20 2020-07-17 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,576 6,576
2020-07-17 2020-07-16 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,821 11,082,572 -0.13
2020-07-17 2020-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -14,821 0 -100.00 37.21 -551,504
2020-07-17 2020-07-16 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,821 14,821
2020-07-17 2020-07-15 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -18,603 11,097,393 -0.17
2020-07-17 2020-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -100 0 -100.00 38.68 -3,868
2020-07-17 2020-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -18,503 100 -99.46 38.00 -703,058 3,800
2020-07-17 2020-07-15 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 18,603 18,603
2019-10-07 2019-10-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -30,534 11,115,996 -0.27
2019-10-07 2019-10-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -30,534 0 -100.00 32.49 -992,172
2019-10-07 2019-10-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 30,534 30,534
2019-10-03 2019-10-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -20,131 11,175,865 -0.18
2019-10-03 2019-10-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,500 0 -100.00 34.73 -86,832
2019-10-03 2019-10-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -17,631 2,500 -87.58 33.90 -597,691 84,750
2019-10-03 2019-10-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 20,131 20,131
2019-10-03 2019-10-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -29,335 11,146,530 -0.26
2019-10-03 2019-10-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -29,335 0 -100.00 32.87 -964,329
2019-10-03 2019-10-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 29,335 29,335
2019-09-05 2019-09-04 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -4,040 11,195,996 -0.04
2019-09-05 2019-09-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -4,040 0 -100.00 33.83 -136,673
2019-09-05 2019-09-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 4,040 4,040
2019-09-05 2019-09-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -75,960 11,200,036 -0.67
2019-09-05 2019-09-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -3,100 0 -100.00 34.12 -105,772
2019-09-05 2019-09-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -72,860 3,100 -95.92 33.47 -2,438,624 103,757
2019-09-05 2019-09-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 75,960 75,960
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -64,702 11,275,996 -0.57
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -300 0 -100.00 41.01 -12,303
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -64,402 300 -99.54 40.39 -2,601,197 12,117
2019-08-05 2019-08-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 64,702 64,702
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -15,298 11,340,698 -0.13
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,517 0 -100.00 42.30 -106,469
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -12,781 2,517 -83.55 41.40 -529,133 104,204
2019-08-05 2019-08-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 15,298 15,298
2019-07-05 2019-07-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -25,516 11,355,996 -0.22
2019-07-05 2019-07-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -25,516 0 -100.00 40.42 -1,031,357
2019-07-05 2019-07-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 25,516 25,516
2019-07-03 2019-07-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -54,484 11,381,512 -0.48
2019-07-03 2019-07-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -500 0 -100.00 41.33 -20,665
2019-07-03 2019-07-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -53,984 500 -99.08 40.93 -2,209,565 20,465
2019-07-03 2019-07-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 54,484 54,484
2019-06-06 2019-06-04 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -6,300 11,435,996 -0.06
2019-06-06 2019-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,284 0 -100.00 37.93 -48,697
2019-06-06 2019-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -5,016 1,284 -79.62 37.52 -188,215 48,180
2019-06-06 2019-06-04 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 6,300 6,300
2019-06-05 2019-06-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -73,700 11,442,296 -0.64
2019-06-05 2019-06-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -1,500 0 -100.00 37.78 -56,673
2019-06-05 2019-06-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -72,200 1,500 -97.96 36.84 -2,659,848 55,260
2019-06-05 2019-06-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 73,700 73,700
2019-05-07 2019-05-03 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -77,121 11,515,996 -0.67
2019-05-07 2019-05-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -77,121 0 -100.00 37.04 -2,856,562
2019-05-07 2019-05-03 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 77,121 77,121
2019-05-06 2019-05-02 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -12,685 11,593,117 -0.11
2019-05-06 2019-05-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -12,685 0 -100.00 36.89 -467,950
2019-05-06 2019-05-02 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 12,685 12,685
2019-05-03 2019-05-01 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -15,200 11,605,802 -0.13
2019-05-03 2019-05-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -2,875 0 -100.00 38.94 -111,967
2019-05-03 2019-05-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -12,325 2,875 -81.09 38.14 -470,112 109,661
2019-05-03 2019-05-01 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 15,200 15,200
2019-04-12 2019-04-10 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -24,328 11,621,002 -0.21
2019-04-12 2019-04-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -24,328 0 -100.00 36.90 -897,776
2019-04-12 2019-04-10 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 24,328 24,328
2019-04-10 2019-04-09 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -16,152 11,645,330 -0.14
2019-04-10 2019-04-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -16,152 0 -100.00 36.79 -594,184
2019-04-10 2019-04-09 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 16,152 16,152
2019-04-09 2019-04-08 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -14,514 11,661,482 -0.12
2019-04-09 2019-04-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -900 0 -100.00 37.50 -33,752
2019-04-09 2019-04-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale X -13,614 900 -93.80 37.12 -505,284 33,404
2019-04-09 2019-04-08 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 14,514 14,514
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class B Common Stock
C - Conversion -975,420 11,675,996 -7.71
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
S - Sale -975,420 0 -100.00 33.42 -32,603,414
2018-06-11 2018-06-11 4 ALTR Altair Engineering Inc.
Class A Common Stock
C - Conversion 975,420 975,420
P
非衍生或衍生证券的公开市场或私下买入
S
非衍生或衍生证券的公开市场或私下卖出
A
公司向内部人员授予、奖励或以其他方式获取证券(例如股票期权)
C
衍生工具转换
D
将证券卖出或转让回公司
F
使用从公司收到的证券的一部分来支付行使价或税务负担。
G
内部人士赠送或接收他人赠送公司股票
K
股权掉期和类似的避险交易
M
行使或转换从公司获得的衍生证券(例如期权)
V
内部人士通过Form 4自愿报告的一笔交易
J
其他(附有交易描述的脚注)