Zamiska Gene M. — SEC Form 4 filings
SEC reporting owner CIK 1456385. 30 Form 4 filings on record with FilingPulse; latest filed 2025-09-22.
Transaction summary — filings shown
Covers all 30 filings on record, filed 2024-02-22 to 2025-09-22. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 22 legs across 19 filings — 31,231 shares, $1,998,818 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 35.
- Largest priced transaction: sale of 7,677 shares @ $61.00 ($468,297) in WESTERN DIGITAL CORP, filed 2024-03-05.
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 |
|---|---|---|---|---|---|
| WESTERN DIGITAL CORP (WDC) | SVP & Princ. Acctg Officer | 30 | — | 22 legs · 31,231 sh · $1,998,818 | 35 |
Form 4 filings — Zamiska Gene M.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-09-22 | 4 | WESTERN DIGITAL CORP (WDC) | Grant/award (A): 26.13 (derivative) @ $0 | EDGAR |
| 2025-08-28 | 4 | WESTERN DIGITAL CORP (WDC) | Option exercise (M): 1 @ $0 · Tax withholding (F): 345 @ $80.67 · Sale (S): 353 @ $80.90 · Option exercise (M): 1.18 (derivative) @ $0 | EDGAR |
| 2025-08-27 | 4 | WESTERN DIGITAL CORP (WDC) | Option exercise (M): 2 @ $0 · Tax withholding (F): 798 @ $79.22 · Sale (S): 814 @ $79.10 · Option exercise (M): 2.72 (derivative) @ $0 | EDGAR |
| 2025-08-25 | 4 | WESTERN DIGITAL CORP (WDC) | Option exercise (M): 6 @ $0 · Tax withholding (F): 1,797 @ $74.66 · Sale (S): 3,160 @ $75.68 · Sale (S): 1,828 @ $74.78 · Option exercise (M): 6.11 (derivative) @ $0 | EDGAR |
| 2025-08-21 | 4 | WESTERN DIGITAL CORP (WDC) | Option exercise (M): 9 @ $0 · Tax withholding (F): 3,102 @ $75.64 · Option exercise (M): 10.56 (derivative) @ $0 | EDGAR |
| 2025-06-23 | 4 | WESTERN DIGITAL CORP (WDC) | Grant/award (A): 66.94 (derivative) @ $0 | EDGAR |
| 2025-06-17 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 240 @ $55.70 · Sale (S): 245 @ $58.01 | EDGAR |
| 2025-06-06 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 1,729 @ $54.88 | EDGAR |
| 2025-05-28 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 797 @ $50.18 · Tax withholding (F): 345 @ $51.82 | EDGAR |
| 2025-05-22 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 360 @ $50.63 | EDGAR |
| 2025-03-12 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 456 @ $43.37 | EDGAR |
| 2025-03-10 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 1,116 @ $41.45 · Sale (S): 1,659 @ $41.36 | EDGAR |
| 2025-03-03 | 4 | WESTERN DIGITAL CORP (WDC) | Grant/award (A): 5,327 @ $0 | EDGAR |
| 2024-12-02 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 167 @ $71.50 · Sale (S): 313 @ $72.63 | EDGAR |
| 2024-11-26 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 450 @ $69.42 · Sale (S): 658 @ $69.99 | EDGAR |
| 2024-11-22 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 261 @ $63.84 · Sale (S): 376 @ $64.47 | EDGAR |
| 2024-10-28 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 1,993 @ $69.94 | EDGAR |
| 2024-09-04 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 1,145 @ $63.06 · Sale (S): 2,169 @ $61.96 | EDGAR |
| 2024-08-30 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 315 @ $63.32 | EDGAR |
| 2024-08-27 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 1,532 @ $64.35 · Sale (S): 2,900 @ $61.48 · Tax withholding (F): 1,218 @ $62.85 | EDGAR |
| 2024-08-22 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 220 @ $64.42 · Sale (S): 417 @ $64.89 · Grant/award (A): 9,964 @ $0 · Grant/award (A): 3,046 @ $0 | EDGAR |
| 2024-06-18 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 219 @ $78 | EDGAR |
| 2024-06-17 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 115 @ $78.12 | EDGAR |
| 2024-05-30 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 315 @ $75.39 | EDGAR |
| 2024-05-28 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 165 @ $74.81 | EDGAR |
| 2024-05-22 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 221 @ $73.05 · Sale (S): 416 @ $71.88 | EDGAR |
| 2024-04-09 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 443 @ $75 | EDGAR |
| 2024-03-05 | 4 | WESTERN DIGITAL CORP (WDC) | Sale (S): 7,677 @ $61 · Sale (S): 2,807 @ $62 · Sale (S): 284 @ $63 | EDGAR |
| 2024-02-29 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 196 @ $57.48 | EDGAR |
| 2024-02-22 | 4 | WESTERN DIGITAL CORP (WDC) | Tax withholding (F): 261 @ $54.13 | 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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1456385 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →