Insider	Transaction	Type	Value	Date	Shares
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 90.32 - 91.16 per share.	Indirect	4,517,986	May 17, 2024	50,000
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 90.32 - 91.16 per share.	Direct	4,517,986	May 17, 2024	50,000
SARAVIA GILMA Officer	Sale at price 91.08 per share.	Direct	153,379	May 17, 2024	1,684
GAYLE BRIAN Officer	Sale at price 90.10 per share.	Direct	69,649	May 17, 2024	773
MARRACCINI JEFFREY D Chief Technology Officer	Sale at price 85.74 - 85.77 per share.	Direct	1,032,525	May 14, 2024	12,043
MARRACCINI JEFFREY D Chief Technology Officer		Direct		May 14, 2024	12,000
MAITRA RAOUL K Officer	Sale at price 85.66 - 85.75 per share.	Direct	112,824	May 10, 2024	1,316
KUNJU RAVI Officer	Sale at price 85.32 per share.	Direct	93,426	May 10, 2024	1,095
EARHART STEPHEN P Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
AYYAR SHEKAR G Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
SRIKANTH MAHALINGAM Chief Technology Officer	Sale at price 84.38 per share.	Direct	12,910	May 08, 2024	153
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.11 - 85.71 per share.	Indirect	7,423,856	May 08, 2024	87,217
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.11 - 85.71 per share.	Direct	7,423,856	May 08, 2024	87,217
DIAS NELSON Officer	Sale at price 84.38 per share.	Direct	24,048	May 08, 2024	285
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 84.37 - 84.38 per share.	Indirect	469,877	May 08, 2024	5,569
HARRIS TERESA A Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
BOYCE MARY CUNNINGHAM Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
MESSANO AMY Officer	Sale at price 84.38 per share.	Direct	12,910	May 08, 2024	153
MAITRA RAOUL K Officer	Sale at price 84.38 per share.	Direct	12,910	May 08, 2024	153
SARAVIA GILMA Officer	Sale at price 84.38 per share.	Direct	12,910	May 08, 2024	153
GAYLE BRIAN Officer	Sale at price 84.38 per share.	Direct	14,597	May 08, 2024	173
ANDERSON JAMES FRANCIS Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
CARTER SANDRA ANN Director	Stock Award(Grant) at price 0.00 per share.	Direct	0	May 08, 2024	2,347
MARRACCINI JEFFREY D Officer	Sale at price 84.38 per share.	Direct	1,941	May 08, 2024	23
KUNJU RAVI Officer	Sale at price 84.38 per share.	Direct	2,110	May 08, 2024	25
HARRIS TERESA A Director	Sale at price 82.89 per share.	Direct	51,392	May 07, 2024	620
HARRIS TERESA A Director		Direct		May 07, 2024	620
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.81 - 86.57 per share.	Indirect	1,097,379	Apr 09, 2024	12,783
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.81 - 86.57 per share.	Direct	1,097,379	Apr 09, 2024	12,783
HARRIS TERESA A Director	Sale at price 84.00 per share.	Direct	52,080	Apr 02, 2024	620
HARRIS TERESA A Director	Conversion of Exercise of derivative security at price 4.52 per share.	Direct	2,802	Apr 02, 2024	620
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.99 per share.	Indirect	7,165,779	Mar 28, 2024	83,336
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.99 per share.	Direct	7,165,779	Mar 28, 2024	83,336
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.42 per share.	Indirect	333,490	Mar 26, 2024	3,904
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 85.42 per share.	Direct	333,490	Mar 26, 2024	3,904
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 86.34 - 87.04 per share.	Indirect	1,106,378	Mar 22, 2024	12,760
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 86.34 - 87.04 per share.	Direct	1,106,378	Mar 22, 2024	12,760
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 79.87 - 80.84 per share.	Direct	403,712	Mar 18, 2024	5,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Mar 18, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 79.87 - 80.84 per share.	Direct	403,712	Mar 18, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Mar 18, 2024	5,000
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 79.87 - 80.84 per share.	Indirect	807,424	Mar 18, 2024	10,000
SCAPA JAMES RALPH Chief Executive Officer		Indirect		Mar 18, 2024	10,000
SRIKANTH MAHALINGAM Chief Technology Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	6,250
DIAS NELSON Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	15,375
SCAPA JAMES RALPH Chief Executive Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	41,000
MESSANO AMY Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	3,683
BROWN MATTHEW CHARLES Chief Financial Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	8,625
MAITRA RAOUL K Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	3,500
SARAVIA GILMA Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	3,808
BUCKNER STEPHANIE Chief Operating Officer	Stock Award(Grant) at price 0.00 per share.	Indirect	0	Mar 15, 2024	6,071
GAYLE BRIAN Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	1,281
MARRACCINI JEFFREY D Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	729
KUNJU RAVI Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Mar 15, 2024	2,667
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 81.66 per share.	Indirect	145,272	Mar 13, 2024	1,779
MESSANO AMY Officer	Sale at price 81.66 per share.	Direct	9,145	Mar 13, 2024	112
MAITRA RAOUL K Officer	Sale at price 81.66 per share.	Direct	6,124	Mar 13, 2024	75
MARRACCINI JEFFREY D Chief Technology Officer	Sale at price 81.66 per share.	Direct	8,574	Mar 13, 2024	105
KUNJU RAVI Officer	Sale at price 81.65 per share.	Direct	6,206	Mar 13, 2024	76
MARRACCINI JEFFREY D Officer	Sale at price 83.04 per share.	Direct	479,807	Mar 06, 2024	5,778
MARRACCINI JEFFREY D Officer		Direct		Mar 06, 2024	5,778
HARRIS TERESA A Director	Sale at price 85.01 per share.	Direct	52,706	Mar 05, 2024	620
HARRIS TERESA A Director	Conversion of Exercise of derivative security at price 4.52 per share.	Direct	2,802	Mar 05, 2024	620
SRIKANTH MAHALINGAM Chief Technology Officer	Sale at price 85.32 per share.	Direct	38,991	Mar 04, 2024	457
DIAS NELSON Officer	Sale at price 85.32 per share.	Direct	41,892	Mar 04, 2024	491
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 85.32 per share.	Direct	281,556	Mar 04, 2024	3,300
MESSANO AMY Officer	Sale at price 85.32 per share.	Direct	24,828	Mar 04, 2024	291
BROWN MATTHEW CHARLES Chief Financial Officer	Sale at price 85.32 per share.	Direct	75,338	Mar 04, 2024	883
MAITRA RAOUL K Officer	Sale at price 85.32 per share.	Direct	24,316	Mar 04, 2024	285
SARAVIA GILMA Officer	Sale at price 85.32 per share.	Direct	22,524	Mar 04, 2024	264
BUCKNER STEPHANIE Chief Operating Officer	Sale at price 85.32 per share.	Indirect	46,585	Mar 04, 2024	546
GAYLE BRIAN Officer	Sale at price 85.32 per share.	Direct	16,467	Mar 04, 2024	193
MARRACCINI JEFFREY D Officer	Sale at price 85.32 per share.	Direct	16,808	Mar 04, 2024	197
KUNJU RAVI Officer	Sale at price 85.32 per share.	Direct	11,433	Mar 04, 2024	134
DIAS NELSON Officer	Sale at price 83.65 per share.	Direct	31,369	Feb 28, 2024	375
MESSANO AMY Officer	Sale at price 83.65 per share.	Direct	19,742	Feb 28, 2024	236
BROWN MATTHEW CHARLES Chief Financial Officer	Sale at price 83.65 per share.	Direct	364,969	Feb 28, 2024	4,363
MAITRA RAOUL K Officer	Sale at price 83.65 per share.	Direct	15,810	Feb 28, 2024	189
SARAVIA GILMA Officer	Sale at price 83.65 per share.	Direct	83,902	Feb 28, 2024	1,003
GAYLE BRIAN Officer	Sale at price 83.65 per share.	Direct	11,544	Feb 28, 2024	138
KUNJU RAVI Officer	Sale at price 83.65 per share.	Direct	10,122	Feb 28, 2024	121
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Feb 23, 2024	600,000
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Feb 23, 2024	300,000
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Feb 23, 2024	300,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 90.72 - 91.35 per share.	Direct	455,344	Feb 16, 2024	5,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Feb 16, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 90.72 - 91.35 per share.	Direct	455,344	Feb 16, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Feb 16, 2024	5,000
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 90.72 - 91.35 per share.	Indirect	910,688	Feb 16, 2024	10,000
SCAPA JAMES RALPH Chief Executive Officer		Indirect		Feb 16, 2024	10,000
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 87.32 - 88.23 per share.	Indirect	8,732,124	Jan 23, 2024	100,000
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Jan 23, 2024	100,000
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 87.32 - 88.23 per share.	Direct	8,732,124	Jan 23, 2024	100,000
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Jan 23, 2024	100,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 83.48 - 83.91 per share.	Direct	418,656	Jan 16, 2024	5,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Jan 16, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 83.48 - 83.91 per share.	Direct	418,656	Jan 16, 2024	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Jan 16, 2024	5,000
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 83.48 - 83.91 per share.	Indirect	837,312	Jan 16, 2024	10,000
SCAPA JAMES RALPH Chief Executive Officer		Indirect		Jan 16, 2024	10,000
SRIKANTH MAHALINGAM Chief Technology Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
BROWN MATTHEW CHARLES Chief Financial Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
MAITRA RAOUL K Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
SARAVIA GILMA Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
GAYLE BRIAN Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
MARRACCINI JEFFREY D Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
KUNJU RAVI Officer	Stock Award(Grant) at price 84.23 per share.	Direct	7,918	Jan 12, 2024	94
BROWN MATTHEW CHARLES Chief Financial Officer	Stock Award(Grant) at price 0.00 per share.	Direct	0	Dec 20, 2023	10,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 74.11 - 74.58 per share.	Direct	370,575	Dec 18, 2023	5,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Dec 18, 2023	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 74.11 - 74.58 per share.	Direct	370,575	Dec 18, 2023	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Dec 18, 2023	5,000
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 74.11 - 74.58 per share.	Indirect	741,150	Dec 18, 2023	10,000
SCAPA JAMES RALPH Chief Executive Officer		Indirect		Dec 18, 2023	10,000
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 71.58 per share.	Indirect	326,688	Dec 08, 2023	4,564
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Dec 08, 2023	4,564
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 71.58 per share.	Direct	326,688	Dec 08, 2023	4,564
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Dec 08, 2023	4,564
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.00 - 72.84 per share.	Indirect	1,038,366	Dec 06, 2023	14,411
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Dec 06, 2023	14,411
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.00 - 72.84 per share.	Direct	1,038,366	Dec 06, 2023	14,411
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Dec 06, 2023	14,411
HARRIS TERESA A Director	Sale at price 71.65 per share.	Direct	42,990	Dec 06, 2023	600
HARRIS TERESA A Director	Conversion of Exercise of derivative security at price 4.52 per share.	Direct	2,712	Dec 06, 2023	600
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.79 per share.	Indirect	3,331,165	Dec 01, 2023	45,766
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Dec 01, 2023	45,766
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.79 per share.	Direct	3,331,165	Dec 01, 2023	45,766
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Dec 01, 2023	45,766
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.65 - 73.83 per share.	Indirect	1,949,987	Nov 30, 2023	26,682
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Nov 30, 2023	26,682
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 72.65 - 73.83 per share.	Direct	1,949,987	Nov 30, 2023	26,682
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Nov 30, 2023	26,682
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security	Sale at price 73.04 - 74.17 per share.	Indirect	8,026,666	Nov 21, 2023	108,577
CHRIST GEORGE J Beneficial Owner of more than 10% of a Class of Security		Indirect		Nov 21, 2023	108,577
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 73.04 - 73.73 per share.	Direct	626,929	Nov 21, 2023	8,577
GC INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Nov 21, 2023	8,577
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 73.91 - 74.17 per share.	Direct	7,399,736	Nov 20, 2023	100,000
CHRIST REVOCABLE TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Nov 20, 2023	100,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security	Sale at price 71.74 - 73.60 per share.	Direct	362,609	Nov 16, 2023	5,000
JAMES R SCAPA DECLARATION OF TRUST Beneficial Owner of more than 10% of a Class of Security		Direct		Nov 16, 2023	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Sale at price 71.74 - 73.60 per share.	Direct	362,609	Nov 16, 2023	5,000
JRS INVESTMENTS, L.L.C. Beneficial Owner of more than 10% of a Class of Security		Direct		Nov 16, 2023	5,000
SCAPA JAMES RALPH Chief Executive Officer	Sale at price 71.74 - 73.60 per share.	Indirect	725,218	Nov 16, 2023	10,000
SCAPA JAMES RALPH Chief Executive Officer		Indirect		Nov 16, 2023	10,000
HARRIS TERESA A Director	Sale at price 73.16 per share.	Direct	131,683	Nov 14, 2023	1,800
HARRIS TERESA A Director	Conversion of Exercise of derivative security at price 4.52 per share.	Direct	8,136	Nov 14, 2023	1,800
KUNJU RAVI Officer	Sale at price 69.05 per share.	Direct	24,858	Nov 10, 2023	360
MAITRA RAOUL K Officer	Sale at price 68.79 per share.	Direct	110,061	Nov 08, 2023	1,600
MARRACCINI JEFFREY D Chief Technology Officer	Sale at price 67.40 - 68.00 per share.	Direct	250,786	Nov 07, 2023	3,711
MARRACCINI JEFFREY D Chief Technology Officer	Conversion of Exercise of derivative security at price 39.82 per share.	Direct	147,772	Nov 07, 2023	3,711

S&P/TSX22,452.91-12.46(-0.06%)

S&P 5005,308.03-0.10(-0.00%)

DOW39,806.48-0.29(-0.00%)

CAD/USD0.7329-0.0012(-0.17%)

CRUDE OIL78.56-1.24(-1.55%)

Bitcoin CAD95,362.43+2,760.45(+2.98%)

STOCKS WOBBLE AS INVESTORS AWAIT NVIDIA EARNINGS

Altair Engineering Inc. (ALTR)

Insider Transactions

Insider Transactions Reported - Last Two Years

S&P/TSX
22,452.91
-12.46(-0.06%)

S&P 500
5,308.03
-0.10(-0.00%)

DOW
39,806.48
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CAD/USD
0.7329
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CRUDE OIL
78.56
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Bitcoin CAD
95,362.43
+2,760.45(+2.98%)