Harris Teresa A — SEC Form 4 filings
SEC reporting owner CIK 1720317. 18 Form 4 filings on record with FilingPulse; latest filed 2026-05-08.
Transaction summary — filings shown
Covers all 18 filings on record, filed 2024-03-06 to 2026-05-08. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings — 1,593 shares, $71,731 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 11 legs across 11 filings — 8,730 shares, $851,724 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 2,700 shares @ $111.61 ($301,356) in Altair Engineering Inc., filed 2025-02-27.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Altair Engineering Inc. (ALTR) | Director | 13 | — | 11 legs · 8,730 sh · $851,724 | 22 |
| ZIFF DAVIS, INC. (ZD) | Director | 5 | 2 legs · 1,593 sh · $71,731 | — | 9 |
Form 4 filings — Harris Teresa A
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-08 | 4 | ZIFF DAVIS, INC. (ZD) | Option exercise (M): 7,903 @ $43.31 · Option exercise (M): 7,903 (derivative) @ $0 · Grant/award (A): 5,723 (derivative) @ $0 | EDGAR |
| 2025-05-09 | 4 | ZIFF DAVIS, INC. (ZD) | Option exercise (M): 3,610 @ $31.63 · Option exercise (M): 3,610 (derivative) @ $0 · Grant/award (A): 7,903 (derivative) @ $0 | EDGAR |
| 2025-03-26 | 4 | Altair Engineering Inc. (ALTR) | Disposition to issuer (D): 18,092 @ $113 · Disposition to issuer (D): 12,020 (derivative) @ $108.48 · Disposition to issuer (D): 4,000 (derivative) @ $107.82 | EDGAR |
| 2025-03-06 | 4 | Altair Engineering Inc. (ALTR) | Sale (S): 450 @ $111.08 | EDGAR |
| 2025-02-28 | 4 | ZIFF DAVIS, INC. (ZD) | Purchase (P): 593 @ $42.11 | EDGAR |
| 2025-02-27 | 4 | Altair Engineering Inc. (ALTR) | Sale (S): 2,700 @ $111.61 | EDGAR |
| 2024-11-06 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $104.10 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-10-01 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $95.12 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-09-04 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $89.70 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-08-28 | 4 | ZIFF DAVIS, INC. (ZD) | Purchase (P): 1,000 @ $46.76 | EDGAR |
| 2024-08-06 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $82.57 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-07-10 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $97.73 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-06-05 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $85.95 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-05-10 | 4 | Altair Engineering Inc. (ALTR) | Grant/award (A): 2,347 @ $0 | EDGAR |
| 2024-05-08 | 4 | ZIFF DAVIS, INC. (ZD) | Option exercise (M): 3,013 @ $54.48 · Option exercise (M): 3,013 (derivative) @ $0 · Grant/award (A): 3,611 (derivative) @ $0 | EDGAR |
| 2024-05-08 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $82.89 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $84 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | Altair Engineering Inc. (ALTR) | Option exercise (M): 620 @ $0 · Sale (S): 620 @ $85.01 · Option exercise (M): 620 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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