Insider · CIK 0001720317

Harris Teresa A

Reports to the SEC for 3 companies · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001720317

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-07	ZDZIFF DAVIS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+7,903 sh	$43.31	+$342K	20,746
2026-05-06	ZDZIFF DAVIS, INC. · Restricted Stock UnitsA Award	Director	AAward	+5,723 sh	—	—	5,723
2025-05-07	ZDZIFF DAVIS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−7,903 sh	—	—	0
2025-05-07	ZDZIFF DAVIS, INC. · Restricted Stock UnitsA Award	Director	AAward	+7,903 sh	—	—	7,903
2025-05-07	ZDZIFF DAVIS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+3,610 sh	$31.63	+$114K	12,843
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−12K sh	$108.48	−$1.3M	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−4,000 sh	$107.82	−$431K	0
2025-03-26	Altair Engineering Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−18.1K sh	$113.00	−$2.04M	0
2025-03-06	Altair Engineering Inc.S Sale	Director	SSale	−450 sh	$111.08	−$50K	18,092
2025-02-27	ZDZIFF DAVIS, INC.P Purchase	Director	PPurchase	+593 sh	$42.11	+$25K	9,233
2025-02-25	Altair Engineering Inc.S Sale	Director	SSale	−2,700 sh	$111.61	−$301K	18,542
2024-11-05	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-11-05	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	12,020
2024-11-05	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$104.10	−$64.5K	21,242
2024-10-01	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	12,640
2024-10-01	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-10-01	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$95.12	−$59K	21,242
2024-09-03	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$89.70	−$55.6K	21,242
2024-09-03	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-09-03	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	13,260
2024-08-27	ZDZIFF DAVIS, INC.P Purchase	Director	PPurchase	+1,000 sh	$46.76	+$46.8K	11,153
2024-08-06	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-08-06	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$82.57	−$51.2K	21,242
2024-08-06	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	13,880
2024-07-09	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$97.73	−$60.6K	21,242
2024-07-09	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	14,500
2024-07-09	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-06-04	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$85.95	−$53.3K	21,242
2024-06-04	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	21,862
2024-06-04	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	15,120
2024-05-08	Altair Engineering Inc.A Award	Director	AAward	+2,347 sh	—	—	21,242
2024-05-07	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$82.89	−$51.4K	18,895
2024-05-07	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	19,515
2024-05-07	ZDZIFF DAVIS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,610 sh	—	—	0
2024-05-07	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	15,740
2024-05-07	ZDZIFF DAVIS, INC. · Restricted Stock UnitsA Award	Director	AAward	+3,611 sh	—	—	3,611
2024-05-05	ZDZIFF DAVIS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,013 sh	—	—	0
2024-05-05	ZDZIFF DAVIS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+3,013 sh	$54.48	+$164K	10,153
2024-04-02	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	16,360
2024-04-02	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	19,515
2024-04-02	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$84.00	−$52.1K	18,895
2024-03-05	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−620 sh	—	—	16,980
2024-03-05	Altair Engineering Inc.S Sale	Director	SSale	−620 sh	$85.01	−$52.7K	18,895
2024-03-05	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+620 sh	—	—	19,515
2023-12-06	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−600 sh	—	—	17,600
2023-12-06	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+600 sh	—	—	19,495
2023-12-06	Altair Engineering Inc.S Sale	Director	SSale	−600 sh	$71.65	−$43K	18,895
2023-11-14	Altair Engineering Inc.M Exercise/Conversion	Director	MExercise/Conversion	+1,800 sh	—	—	20,695
2023-11-14	Altair Engineering Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−1,800 sh	—	—	18,200
2023-11-14	Altair Engineering Inc.S Sale	Director	SSale	−1,800 sh	$73.16	−$132K	18,895

Recent filings

Accepted (ET)
May 84
Harris Teresa A0001214659-26-005834
SEC(opens sec.gov)
May 94
Harris Teresa A0001214659-25-007233
SEC(opens sec.gov)
Mar 264
Harris Teresa A0000950170-25-045364
SEC(opens sec.gov)
Mar 64
Harris Teresa A0001127602-25-008595
SEC(opens sec.gov)
Feb 284
Harris Teresa A0001214659-25-003661
SEC(opens sec.gov)
Feb 274
Harris Teresa A0001127602-25-007072
SEC(opens sec.gov)
Nov 64
Harris Teresa A0001127602-24-026535
SEC(opens sec.gov)
Oct 14
Harris Teresa A0001127602-24-024768
SEC(opens sec.gov)
Sep 44
Harris Teresa A0001127602-24-023356
SEC(opens sec.gov)

Companies

Address

360 PARK AVE S 17F

NEW YORK, NY, 10010