United States Software & IT Services

Altair Engineering Inc (ALTR)

Track

The most recent insider trading activity at Altair Engineering Inc. occurred on March 18, 2025. During March 2025, multiple officers and executives, including the CEO and various C-suite members, engaged in a series of share sales and proposed sales. These transactions represent a broad pattern of divestment by company leadership during that period.
Ticker: ALTR Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Altair Engineering Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Sale 18 Mar 2025
Value US$2,010,704.70 | Price 229.75 | Shares 82,378 (-14.7%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-03-19 2025-03-18 S Sale
2.5
Saravia Gilma

Chief People Officer

Officer
82,378 -14.7%
229.75
US$2,010,705 		82,378 -14.7% 229.75 US$2,010,705
2025-03-18 2025-03-18 PrS Proposed sale
2.1
Kunju Ravi

Officer

Officer
35,471
10.88
US$4,986,502 		35,471 10.88 US$4,986,502
2025-03-18 2025-03-18 PrS Proposed sale
2.8
Gayle Brian

Officer

Officer
10,974
122.02
US$3,061,681 		10,974 122.02 US$3,061,681
2025-03-18 2025-03-18 PrS Proposed sale
2.5
Maitra Raoul

Officer

Officer
401
111.35
US$44,651 		401 111.35 US$44,651
2025-03-18 2025-03-18 PrS Proposed sale
2.6
Dias Nelson

Officer

Officer
1,665
111.35
US$185,398 		1,665 111.35 US$185,398
2025-03-21 2025-03-17 S Sale
2.1
Kunju Ravi

Chief Product Strategy Officer

Officer
229 -0.7%
111.30
US$25,488 		229 -0.7% 111.30 US$25,488
2025-03-19 2025-03-17 S Sale
2.6
Dias Nelson

Chief Revenue Officer

Officer
1,671 -2.9%
111.30
US$185,982 		1,671 -2.9% 111.30 US$185,982
2025-03-19 2025-03-17 S Sale
2.6
Marraccini Jeffrey

See Remarks

Officer
90 -1.6%
111.30
US$10,017 		90 -1.6% 111.30 US$10,017
2025-03-19 2025-03-17 S Sale
2.5
Maitra Raoul

Chief Legal Officer

Officer
403 -1.3%
111.30
US$44,854 		403 -1.3% 111.30 US$44,854
2025-03-19 2025-03-17 S Sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
9 -0.8%
111.30
US$1,002 		9 -0.8% 111.30 US$1,002
2025-03-19 2025-03-17 S Sale
2.8
Gayle Brian

Chief Accounting Officer

Officer
182 -1.0%
111.30
US$20,257 		182 -1.0% 111.30 US$20,257
2025-03-19 2025-03-17 S Sale
2.6
Buckner Stephanie

Chief Operating Officer

Officer
47 -0.6%
111.30
US$5,231 		47 -0.6% 111.30 US$5,231
2025-03-19 2025-03-17 S Sale
2.5
Messano Amy

Chief Marketing Officer

Officer
416 -1.8%
111.30
US$46,301 		416 -1.8% 111.30 US$46,301
2025-03-06 2025-03-06 PrS Proposed sale
2.3
Harris Teresa A

Director

Non-Executive Director
450
111.08
US$49,984 		450 111.08 US$49,984
2025-03-06 2025-03-06 S Sale
2.3
Harris Teresa A
Non-Executive Director
450 -2.4%
111.08
US$49,984 		450 -2.4% 111.08 US$49,984
2025-03-05 2025-03-03 S Sale
2.5
Messano Amy

Chief Marketing Officer

Officer
255 -1.1%
111.45
US$28,420 		255 -1.1% 111.45 US$28,420
2025-03-05 2025-03-03 S Sale
3.2
Brown Matthew Charles

Chief Financial Officer

Officer
742 -1.1%
111.45
US$82,696 		742 -1.1% 111.45 US$82,696
2025-03-05 2025-03-03 S Sale
2.5
Saravia Gilma

Chief People Officer

Officer
264 -1.2%
111.45
US$29,423 		264 -1.2% 111.45 US$29,423
2025-03-05 2025-03-03 S Sale
2.1
Kunju Ravi

Chief Product Strategy Officer

Officer
121 -0.3%
111.45
US$13,485 		121 -0.3% 111.45 US$13,485
2025-03-05 2025-03-03 S Sale
2.6
Buckner Stephanie

Chief Operating Officer

Officer
62 -0.8%
111.45
US$6,910 		62 -0.8% 111.45 US$6,910
2025-03-05 2025-03-03 S Sale
2.5
Maitra Raoul

Chief Legal Officer

Officer
240 -0.8%
111.45
US$26,748 		240 -0.8% 111.45 US$26,748
2025-03-05 2025-03-03 S Sale
2.8
Gayle Brian

Chief Accounting Officer

Officer
184 -1.0%
111.45
US$20,507 		184 -1.0% 111.45 US$20,507
2025-03-05 2025-03-03 S Sale
2.6
Dias Nelson

Chief Revenue Officer

Officer
491 -0.9%
111.45
US$54,722 		491 -0.9% 111.45 US$54,722
2025-03-05 2025-03-03 S Sale
2.6
Marraccini Jeffrey

See Remarks

Officer
197 -3.4%
111.45
US$21,956 		197 -3.4% 111.45 US$21,956
2025-03-03 2025-03-03 PrS Proposed sale
2.5
Saravia Gilma

Officer

Officer
263
111.60
US$29,351 		263 111.60 US$29,351
2025-03-03 2025-03-03 PrS Proposed sale
2.6
Dias Nelson

Officer

Officer
488
111.60
US$54,461 		488 111.60 US$54,461
2025-03-03 2025-03-03 PrS Proposed sale
3.2
Brown Matthew Charles

Officer

Officer
739
111.60
US$82,472 		739 111.60 US$82,472
2025-03-03 2025-03-03 PrS Proposed sale
2.5
Messano Amy

Officer

Officer
254
111.60
US$28,346 		254 111.60 US$28,346
2025-02-27 2025-02-26 S Sale
2.5
Maitra Raoul

Chief Legal Officer

Officer
188 -0.6%
111.53
US$20,968 		188 -0.6% 111.53 US$20,968
2025-02-27 2025-02-26 S Sale
2.1
Kunju Ravi

Chief Product Strategy Officer

Officer
120 -0.3%
111.53
US$13,384 		120 -0.3% 111.53 US$13,384
2025-02-27 2025-02-26 S Sale
2.5
Saravia Gilma

Chief People Officer

Officer
243 -1.1%
111.53
US$27,102 		243 -1.1% 111.53 US$27,102
2025-02-27 2025-02-26 S Sale
2.6
Dias Nelson

Chief Revenue Officer

Officer
373 -0.6%
111.53
US$41,601 		373 -0.6% 111.53 US$41,601
2025-02-27 2025-02-26 S Sale
2.8
Gayle Brian

Chief Accounting Officer

Officer
137 -0.7%
111.53
US$15,280 		137 -0.7% 111.53 US$15,280
2025-02-27 2025-02-26 S Sale
3.2
Brown Matthew Charles

Chief Financial Officer

Officer
3,811 -5.2%
111.53
US$425,041 		3,811 -5.2% 111.53 US$425,041
2025-02-27 2025-02-26 S Sale
2.5
Messano Amy

Chief Marketing Officer

Officer
235 -1.0%
111.53
US$26,210 		235 -1.0% 111.53 US$26,210
2025-02-25 2025-02-26 PrS Proposed sale
3.2
Brown Matthew Charles

Officer

Officer
3,801
111.74
US$424,706 		3,801 111.74 US$424,706
2025-02-27 2025-02-25 S Sale
2.3
Harris Teresa A
Non-Executive Director
2,700 -12.7%
111.61
US$301,356 		2,700 -12.7% 111.61 US$301,356
2025-02-25 2025-02-25 PrS Proposed sale
2.3
Harris Teresa A

Director

Non-Executive Director
2,700
111.00
US$299,700 		2,700 111.00 US$299,700
2024-12-26 2024-12-23 S Sale
3.2
Brown Matthew Charles

Chief Financial Officer

Officer
1,048 -1.9%
108.90
US$114,127 		1,048 -1.9% 108.90 US$114,127
2024-12-20 2024-12-23 PrS Proposed sale
3.2
Brown Matthew Charles

Officer

Officer
1,043
108.70
US$113,374 		1,043 108.70 US$113,374
2024-12-11 2024-12-10 S Sale
2.6
Dias Nelson

Chief Revenue Officer

Officer
22,500 -31.7%
106.23
US$2,390,080 		22,500 -31.7% 106.23 US$2,390,080
2024-12-10 2024-12-10 PrS Proposed sale
2.6
Dias Nelson

Officer

Officer
22,500
106.17
US$2,388,825 		22,500 106.17 US$2,388,825
2024-12-05 2024-12-03 S Sale
2.4
Srikanth Mahalingam

Chief Technology Officer

Officer
1,298 -3.2%
105.65
US$137,134 		1,298 -3.2% 105.65 US$137,134
2024-12-05 2024-12-03 S Sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
16,095 -12.0%
105.65
US$1,700,437 		16,095 -12.0% 105.65 US$1,700,437
2024-12-04 2024-12-03 PrS Proposed sale
2.4
Srikanth Mahalingam

Officer

Officer
1,298
105.65
US$137,134 		1,298 105.65 US$137,134
2024-12-04 2024-12-03 PrS Proposed sale
2.6
Scapa James Ralph

Officer; Director; 10% Stockholder

Executive Director Large shareholder
16,095
105.65
US$1,700,437 		16,095 105.65 US$1,700,437
2024-12-02 2024-11-29 PlS Planned sale
James R. Scapa Declaration of Trust
Large shareholder
6,500 -100.0%
105.69
US$686,988 		6,500 -100.0% 105.69 US$686,988
2024-12-02 2024-11-29 PlS Planned sale
JRS Investments LLC
Large shareholder
6,500 -100.0%
105.69
US$686,988 		6,500 -100.0% 105.69 US$686,988
2024-12-02 2024-11-29 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
6,500 -100.0%
105.69
US$686,988 		6,500 -100.0% 105.69 US$686,988
2024-12-02 2024-11-29 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
6,500 -100.0%
105.69
US$686,988 		6,500 -100.0% 105.69 US$686,988
2024-11-27 2024-11-26 S Sale
2.4
Srikanth Mahalingam

Chief Technology Officer

Officer
119 -0.3%
105.80
US$12,590 		119 -0.3% 105.80 US$12,590
2024-11-26 2024-11-26 PrS Proposed sale
2.4
Srikanth Mahalingam

Officer

Officer
119
105.20
US$12,519 		119 105.20 US$12,519
2024-11-12 2024-11-11 PrS Proposed sale
2.1
Kunju Ravi

Officer

Officer
360
103.65
US$37,314 		360 103.65 US$37,314
2024-11-12 2024-11-11 S Sale
2.1
Kunju Ravi

Chief Product Strategy Officer

Officer
360 -1.2%
103.65
US$37,314 		360 -1.2% 103.65 US$37,314
2024-11-07 2024-11-05 S Sale
2.6
Marraccini Jeffrey

See Remarks

Officer
1,824 -28.0%
104.10
US$189,878 		1,824 -28.0% 104.10 US$189,878
2024-11-06 2024-11-05 PlS Planned sale
2.3
Harris Teresa A
Non-Executive Director
620 -2.8%
104.10
US$64,542 		620 -2.8% 104.10 US$64,542
2024-11-05 2024-11-05 PrS Proposed sale
2.6
Marraccini Jeffrey

Officer

Officer
1,824
104.10
US$189,878 		1,824 104.10 US$189,878
2024-11-05 2024-11-05 PrS Proposed sale
2.3
TERESA A. HARRIS

Director

Non-Executive Director
620
104.10
US$64,542 		620 104.10 US$64,542
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
296 -100.0%
103.84
US$30,737 		296 -100.0% 103.84 US$30,737
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
2,522 -89.5%
103.19
US$260,251 		2,522 -89.5% 103.19 US$260,251
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
3,682 -56.6%
102.08
US$375,861 		3,682 -56.6% 102.08 US$375,861
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
295 -100.0%
103.84
US$30,633 		295 -100.0% 103.84 US$30,633
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
2,522 -89.5%
103.19
US$260,251 		2,522 -89.5% 103.19 US$260,251
2024-10-29 2024-10-28 PlS Planned sale
2.6
Scapa James Ralph

Chief Executive Officer

Executive Director Large shareholder
3,683 -56.7%
102.08
US$375,963 		3,683 -56.7% 102.08 US$375,963
2024-10-29 2024-10-28 PlS Planned sale
JRS Investments LLC
Large shareholder
296 -100.0%
103.84
US$30,737 		296 -100.0% 103.84 US$30,737
2024-10-29 2024-10-28 PlS Planned sale
JRS Investments LLC
Large shareholder
2,522 -89.5%
103.19
US$260,251 		2,522 -89.5% 103.19 US$260,251
2024-10-29 2024-10-28 PlS Planned sale
JRS Investments LLC
Large shareholder
3,682 -56.6%
102.08
US$375,861 		3,682 -56.6% 102.08 US$375,861
2024-10-29 2024-10-28 PlS Planned sale
James R. Scapa Declaration of Trust
Large shareholder
295 -100.0%
103.84
US$30,633 		295 -100.0% 103.84 US$30,633
2024-10-29 2024-10-28 PlS Planned sale
James R. Scapa Declaration of Trust
Large shareholder
2,522 -89.5%
103.19
US$260,251 		2,522 -89.5% 103.19 US$260,251
2024-10-29 2024-10-28 PlS Planned sale
James R. Scapa Declaration of Trust
Large shareholder
3,683 -56.7%
102.08
US$375,963 		3,683 -56.7% 102.08 US$375,963
2024-10-25 2024-10-23 S Sale
2.9
Christ George J
Large shareholder
999 -100.0%
109.13
US$109,022 		999 -100.0% 109.13 US$109,022
2024-10-25 2024-10-23 S Sale
2.9
Christ George J
Large shareholder
3,601 -78.3%
108.29
US$389,961 		3,601 -78.3% 108.29 US$389,961
2024-10-25 2024-10-23 S Sale
2.9
Christ George J
Large shareholder
69,096 -93.8%
107.08
US$7,398,758 		69,096 -93.8% 107.08 US$7,398,758
2024-10-25 2024-10-23 S Sale
2.9
Christ George J
Large shareholder
14,545 -16.5%
106.50
US$1,549,074 		14,545 -16.5% 106.50 US$1,549,074
2024-10-25 2024-10-23 S Sale
2.9
Christ George J
Large shareholder
1,724 -1.9%
104.49
US$180,149 		1,724 -1.9% 104.49 US$180,149
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