LIVE FROM THE DATABASETRANSACTIONS 409,305COMPANIES 6,000LATEST TRADE Oct 16UPDATED Oct 17, 08:14 PM

ALTRCIK 0001701732

Altair Engineering Inc.

173 transactions by 22 insiders, from January 14, 2025 to March 26, 2025.

Transactions: 17322 insiders
Bought · P: Nonenobody bought on the open market
Sold · S: $1.6Mopen market
Net: −$1.6Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

Insider	Trades	Planned	Bought	Sold
Buckner StephanieCOO	22	—	—	$12K
Maitra RaoulGC	17	—	—	$93K
Gayle BrianCAO	15	—	—	$56K
Srikanth MahalingamCTO	14	—	—	—
Kunju RaviChief	13	—	—	$52K
Saravia GilmaChief	13	—	—	$104K
Scapa James RalphCEO	13	—	—	$1K
Messano AmyChief	13	—	—	$101K
Dias NelsonChief	12	—	—	$282K
Brown Matthew CharlesCFO	12	—	—	$508K
Marraccini JeffreyOfficer	9	—	—	$32K
Harris Teresa ADir	5	—	—	$351K
Boyce Mary CunninghamDir	1	—	—	—
Earhart Stephen PDir	1	—	—	—
Ayyar Shekar GDir	1	—	—	—
Anderson James FrancisDir	1	—	—	—
Carter Sandra AnnDir	1	—	—	—

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

Insider	Trades	Planned	Bought	Sold
Christ George J10%	5	—	—	—
GC Investments LLC10%	2	—	—	—
James R. Scapa Declaration of Trust10%	1	—	—	—
JRS Investments LLC10%	1	—	—	—
Christ Revocable Trust10%	1	—	—	—

All transactions

173 in total, newest filings first.

Insider	Date	Code	Shares	Price	Value	Held after
Srikanth MahalingamCTODERIV	Mar 26	D	15,625	$33.97	$531K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	14,845	$47.81	$710K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	8,500	$51.21	$435K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	6,280	$51.07	$321K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	22,500	$73.18	$1.6M?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	1,472	$82.85	$122K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	35,168	$107.82	$3.8M?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	3,804	$109.36	$416K?	0derivatives
Srikanth MahalingamCTODERIV	Mar 26	D	7,136	$109.16	$779K?	0derivatives
Srikanth MahalingamCTO	Mar 26	D	49,875	$113.00	$5.6M	0
Gayle BrianCAODERIV	Mar 26	D	3,203	$33.97	$109K?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	7,750	$47.81	$371K?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	5,500	$51.21	$282K?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	5,443	$51.07	$278K?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	22,500	$73.18	$1.6M?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	1,091	$83.78	$91K?	0derivatives
Gayle BrianCAODERIV	Mar 26	D	1,417	$107.82	$153K?	0derivatives
Gayle BrianCAO	Mar 26	D	18,008	$113.00	$2.0M	0
Maitra RaoulGCDERIV	Mar 26	D	8,750	$33.97	$297K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	8,333	$47.81	$398K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	6,600	$51.21	$338K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	6,280	$51.07	$321K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	12,000	$60.97	$732K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	12,000	$73.18	$878K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	1,051	$82.85	$87K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	2,728	$107.82	$294K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	1,900	$109.36	$208K?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Maitra RaoulGCDERIV	Mar 26	D	8,000	$109.16	$873K?	0derivatives
Maitra RaoulGC	Mar 26	D	31,112	$113.00	$3.5M	0
Marraccini JeffreyOfficerDERIV	Mar 26	D	1,822	$33.97	$62K?	0derivatives
Marraccini JeffreyOfficerDERIV	Mar 26	D	5,957	$47.81	$285K?	0derivatives
Marraccini JeffreyOfficerDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Marraccini JeffreyOfficerDERIV	Mar 26	D	876	$62.89	$55K?	0derivatives
Marraccini JeffreyOfficer	Mar 26	D	5,462	$113.00	$617K	0
Scapa James RalphCEODERIV	Mar 26	D	6,626,682	$113.00	$748.8M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	10,241,110	$113.00	$1.2B?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	123,000	$33.97	$4.2M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	114,000	$47.81	$5.5M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	80,000	$48.46	$3.9M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	40,000	$51.07	$2.0M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	40,000	$82.85	$3.3M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	15,000	$74.89	$1.1M?	0derivatives
Scapa James RalphCEODERIV	Mar 26	D	10,695	$107.82	$1.2M?	0derivatives
Scapa James RalphCEO	Mar 26	D	1,184	$113.00	$134K	0
Scapa James RalphCEO	Mar 26	D	190,505	$113.00	$21.5M	0
Harris Teresa ADirDERIV	Mar 26	D	4,000	$107.82	$431K?	0derivatives
Harris Teresa ADirDERIV	Mar 26	D	12,020	$108.48	$1.3M?	0derivatives
Harris Teresa ADir	Mar 26	D	18,092	$113.00	$2.0M	0
Saravia GilmaChiefDERIV	Mar 26	D	9,521	$33.97	$323K?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	9,168	$47.81	$438K?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	8,500	$51.21	$435K?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	6,280	$51.07	$321K?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Saravia GilmaChiefDERIV	Mar 26	D	22,500	$73.18	$1.6M?	0derivatives
Saravia GilmaChief	Mar 26	D	22,097	$113.00	$2.5M	0
Kunju RaviChiefDERIV	Mar 26	D	6,667	$33.97	$226K?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	4,700	$47.81	$225K?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	10,000	$68.37	$684K?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	4,200	$51.21	$215K?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	12,000	$60.97	$732K?	0derivatives
Kunju RaviChiefDERIV	Mar 26	D	12,000	$73.18	$878K?	0derivatives
Kunju RaviChief	Mar 26	D	34,388	$113.00	$3.9M	0
JRS Investments LLC10%DERIV	Mar 26	D	6,626,682	$113.00	$748.8M?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	9,208	$33.97	$313K?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	8,855	$47.81	$423K?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	8,200	$51.21	$420K?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	4,856	$51.07	$248K?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Messano AmyChiefDERIV	Mar 26	D	5,635	$73.18	$412K?	0derivatives
Messano AmyChief	Mar 26	D	22,980	$113.00	$2.6M	0
Brown Matthew CharlesCFODERIV	Mar 26	D	21,563	$33.97	$732K?	0derivatives
Brown Matthew CharlesCFODERIV	Mar 26	D	20,625	$47.81	$986K?	0derivatives
Brown Matthew CharlesCFODERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Brown Matthew CharlesCFODERIV	Mar 26	D	8,000	$50.09	$401K?	0derivatives
Brown Matthew CharlesCFODERIV	Mar 26	D	12,000	$51.21	$615K?	0derivatives
Brown Matthew CharlesCFODERIV	Mar 26	D	45,000	$55.30	$2.5M?	0derivatives
Brown Matthew CharlesCFO	Mar 26	D	66,125	$113.00	$7.5M	0
Buckner StephanieCOODERIV	Mar 26	D	1,780	$47.81	$85K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	8,000	$67.09	$537K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	1,457	$62.89	$92K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	4,286	$32.94	$141K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	6,000	$60.97	$366K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	6,000	$73.18	$439K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	14,063	$33.97	$478K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	12,500	$47.81	$598K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	6,000	$51.21	$307K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	6,280	$51.07	$321K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	20,700	$73.18	$1.5M?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	935	$82.85	$77K?	0derivatives
Buckner StephanieCOODERIV	Mar 26	D	300	$107.82	$32K?	0derivatives
Buckner StephanieCOO	Mar 26	D	7,588	$113.00	$857K	0
Buckner StephanieCOO	Mar 26	D	31,352	$113.00	$3.5M	0
James R. Scapa Declaration of Trust10%DERIV	Mar 26	D	10,241,110	$113.00	$1.2B?	0derivatives
Earhart Stephen PDir	Mar 26	D	65,242	$113.00	$7.4M	0
Carter Sandra AnnDir	Mar 26	D	13,389	$113.00	$1.5M	0
Boyce Mary CunninghamDir	Mar 26	D	31,242	$113.00	$3.5M	0
Christ Revocable Trust10%DERIV	Mar 26	D	4,481,778	$113.00	$506.4M?	0derivatives
Ayyar Shekar GDir	Mar 26	D	11,312	$113.00	$1.3M	0
Anderson James FrancisDir	Mar 26	D	15,229	$113.00	$1.7M	0
Christ George J10%DERIV	Mar 26	D	4,481,778	$113.00	$506.4M?	0derivatives
Christ George J10%DERIV	Mar 26	D	4,044,004	$113.00	$457.0M?	0derivatives
Christ George J10%	Mar 26	D	300,000	$113.00	$33.9M	0
Christ George J10%	Mar 26	D	187,475	$113.00	$21.2M	0
Christ George J10%	Mar 26	D	187,475	$113.00	$21.2M	0
GC Investments LLC10%DERIV	Mar 26	D	4,044,004	$113.00	$457.0M?	0derivatives
GC Investments LLC10%	Mar 26	D	300,000	$113.00	$33.9M	0
Dias NelsonChiefDERIV	Mar 26	D	13,438	$33.97	$456K?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	12,500	$47.81	$598K?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	24,000	$67.09	$1.6M?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	11,375	$51.21	$583K?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	5,443	$51.07	$278K?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	22,500	$60.97	$1.4M?	0derivatives
Dias NelsonChiefDERIV	Mar 26	D	294	$83.78	$25K?	0derivatives
Dias NelsonChief	Mar 26	D	55,411	$113.00	$6.3M	0
Kunju RaviChief	Mar 17	S	229	$111.30	$25K	34,388
Scapa James RalphCEO	Mar 17	S	9	$111.30	$1K	1,184
Marraccini JeffreyOfficer	Mar 17	S	90	$111.30	$10K	5,462
Dias NelsonChief	Mar 17	S	1,671	$111.30	$186K	55,411
Maitra RaoulGC	Mar 17	S	403	$111.30	$45K	31,112
Gayle BrianCAO	Mar 17	S	182	$111.30	$20K	18,008
Buckner StephanieCOO	Mar 17	S	47	$111.30	$5K	7,588
Messano AmyChief	Mar 17	S	416	$111.30	$46K	22,980
Saravia GilmaChief	Mar 18	S	425	$111.30	$47K	22,097
Brown Matthew CharlesCFO	Mar 6	G	2,527	$0.00	—	66,125
Harris Teresa ADir	Mar 6	S	450	$111.08	$50K	18,092
Messano AmyChief	Mar 3	S	255	$111.45	$28K	23,396
Marraccini JeffreyOfficer	Mar 3	S	197	$111.45	$22K	5,552
Gayle BrianCAO	Mar 3	S	184	$111.45	$21K	18,190
Dias NelsonChief	Mar 3	S	491	$111.45	$55K	57,082
Maitra RaoulGC	Mar 3	S	240	$111.45	$27K	31,515
Kunju RaviChief	Mar 3	S	121	$111.45	$13K	34,617
Saravia GilmaChief	Mar 3	S	264	$111.45	$29K	22,522
Brown Matthew CharlesCFO	Mar 3	S	742	$111.45	$83K	68,652
Buckner StephanieCOO	Mar 3	S	62	$111.45	$7K	7,635
Buckner StephanieCOO	Feb 12	A	323	$0.00	—	7,697
Kunju RaviChief	Feb 26	S	120	$111.53	$13K	34,738
Maitra RaoulGC	Feb 26	S	188	$111.53	$21K	31,755
Dias NelsonChief	Feb 26	S	373	$111.53	$42K	57,573
Brown Matthew CharlesCFO	Feb 26	S	3,811	$111.53	$425K	69,394
Saravia GilmaChief	Feb 26	S	243	$111.53	$27K	22,786
Gayle BrianCAO	Feb 26	S	137	$111.53	$15K	18,374
Messano AmyChief	Feb 26	S	235	$111.53	$26K	23,651
Harris Teresa ADir	Feb 25	S	2,700	$111.61	$301K	18,542
Messano AmyChief	Feb 12	A	5,607	$0.00	—	23,886
Buckner StephanieCOO	Feb 12	A	9,923	$0.00	—	31,352
Scapa James RalphCEO	Feb 12	A	72,555	$0.00	—	190,505
Brown Matthew CharlesCFO	Feb 12	A	17,613	$0.00	—	73,205
Dias NelsonChief	Feb 12	A	9,509	$0.00	—	57,946
Kunju RaviChief	Feb 12	A	4,280	$0.00	—	34,858
Srikanth MahalingamCTO	Feb 12	A	11,059	$0.00	—	49,875
Maitra RaoulGC	Feb 12	A	5,457	$0.00	—	31,943
Saravia GilmaChief	Feb 12	A	5,793	$0.00	—	23,029
Gayle BrianCAO	Feb 12	A	1,798	$0.00	—	18,511
Marraccini JeffreyOfficer	Feb 12	A	996	$0.00	—	5,749
Brown Matthew CharlesCFO	Jan 14	A	73	$82.42	$6K	55,592
Buckner StephanieCOO	Jan 14	A	73	$82.42	$6K	7,374
Gayle BrianCAO	Jan 14	A	73	$82.42	$6K	16,713
Kunju RaviChief	Jan 14	A	73	$82.42	$6K	30,578
Maitra RaoulGC	Jan 14	A	73	$82.42	$6K	26,486
Marraccini JeffreyOfficer	Jan 14	A	73	$82.42	$6K	4,753
Messano AmyChief	Jan 14	A	55	$82.42	$5K	18,279
Saravia GilmaChief	Jan 14	A	73	$82.42	$6K	17,236
Srikanth MahalingamCTO	Jan 14	A	73	$82.42	$6K	38,816