Harris Teresa A
SEC insider (Form 3/4/5 filer). CIK 0001720317. Director at ZIFF DAVIS, INC. (ZD) and 1 other issuer. 16 reported Form 4/5 transactions since Sep 2024; latest on May 7, 2026. Located in TROY, MI.
Companies Harris Teresa A has filed insider reports for
- ZIFF DAVIS, INC. (ZD): Director
- Altair Engineering Inc. (ALTR): Director
Harris Teresa A
CIK: 0001720317
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- May 7, 2026ZD
ZIFF DAVIS, INC.
ExerciseDirect7.9K shares at avg. $43.31$342K - May 6, 2026ZD
ZIFF DAVIS, INC.
AwardDirectRestricted Stock Units
5.7K shares- - May 7, 2025ZD
ZIFF DAVIS, INC.
ExerciseDirectRestricted Stock Units
7.9K shares- - May 7, 2025ZD
ZIFF DAVIS, INC.
ExerciseDirect3.6K shares at avg. $31.63$114K - May 7, 2025ZD
ZIFF DAVIS, INC.
AwardDirectRestricted Stock Units
7.9K shares- - Mar 26, 2025ALTR
Altair Engineering Inc.
DispositionDirect18.1K shares at avg. $113.00$2.0M - Mar 6, 2025ALTR
Altair Engineering Inc.
SaleDirect450 shares at avg. $111.08$50K - Feb 27, 2025ZD
ZIFF DAVIS, INC.
PurchaseDirect593 shares at avg. $42.11$25K - Feb 25, 2025ALTR
Altair Engineering Inc.
SaleDirect2.7K shares at avg. $111.61$301K - Nov 5, 2024ALTR
Altair Engineering Inc.
ExerciseDirect620 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 7, 2026 |  ZD ZIFF DAVIS, INC. | Exercise | 7,903 | $43.31 | $342,279 | Direct |
| May 6, 2026 | ZD ZIFF DAVIS, INC. | Award Restricted Stock Units | 5,723 | - | - | Direct |
| May 7, 2025 | ZD ZIFF DAVIS, INC. | Exercise Restricted Stock Units | 7,903 | - | - | Direct |
| May 7, 2025 | ZD ZIFF DAVIS, INC. | Exercise | 3,610 | $31.63 | $114,184 | Direct |
| May 7, 2025 | ZD ZIFF DAVIS, INC. | Award Restricted Stock Units | 7,903 | - | - | Direct |
| Mar 26, 2025 |  ALTR Altair Engineering Inc. | Disposition | 18,092 | $113.00 | $2,044,396 | Direct |
| Mar 6, 2025 | ALTR Altair Engineering Inc. | Sale | 450 | $111.08 | $49,984 | Direct |
| Feb 27, 2025 | ZD ZIFF DAVIS, INC. | Purchase | 593 | $42.11 | $24,971 | Direct |
| Feb 25, 2025 | ALTR Altair Engineering Inc. | Sale | 2,700 | $111.61 | $301,356 | Direct |
| Nov 5, 2024 | ALTR Altair Engineering Inc. | Exercise | 620 | - | $0 | Direct |
1-10 of 16 transactions