Zachary Jennifer — SEC Form 4 filings
SEC reporting owner CIK 1737231. 13 Form 4 filings on record with FilingPulse; latest filed 2026-08-13.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2024-01-24 to 2026-08-13. 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): 5 legs across 3 filings — 251,387 shares, $31,488,964 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 29.
- Largest priced transaction: sale of 80,315 shares @ $133.46 ($10,718,495) in Merck & Co., Inc., filed 2026-08-13.
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 |
|---|---|---|---|---|---|
| Merck & Co., Inc. (MRK) | EVP, General Counsel | 10 | — | 5 legs · 251,387 sh · $31,488,964 | 23 |
| REGENXBIO Inc. (RGNX) | Director | 3 | — | — | 6 |
Form 4 filings — Zachary Jennifer
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-13 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 41,494 @ $117.89 · Option exercise (M): 13,433 @ $84.71 · Sale (S): 80,315 @ $133.46 · Option exercise (M): 41,494 (derivative) @ $0 · Option exercise (M): 13,433 (derivative) @ $0 | EDGAR |
| 2026-06-02 | 4 | REGENXBIO Inc. (RGNX) | Grant/award (A): 9,807 @ $0 · Grant/award (A): 46,600 (derivative) @ $0 | EDGAR |
| 2026-05-07 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 12,064 (derivative) @ $0 · Grant/award (A): 35,312 (derivative) @ $0 | EDGAR |
| 2026-05-01 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 2,951 @ $110.03 · Tax withholding (F): 1,454 @ $110.03 · Option exercise (M): 2,951 (derivative) @ $0 | EDGAR |
| 2026-02-09 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 25,946 @ $119.15 · Sale (S): 25,946 @ $119.15 · Option exercise (M): 56,792 @ $119.15 · Sale (S): 56,792 @ $119.15 · Option exercise (M): 38,835 @ $119.15 · Sale (S): 38,835 @ $119.15 · +3 more | EDGAR |
| 2026-01-28 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 11,583 @ $107.40 | EDGAR |
| 2025-06-03 | 4 | REGENXBIO Inc. (RGNX) | Grant/award (A): 7,768 @ $0 · Grant/award (A): 39,815 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 8,854 (derivative) @ $0 · Grant/award (A): 40,301 (derivative) @ $0 | EDGAR |
| 2025-01-29 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 25,423 @ $97.94 | EDGAR |
| 2024-06-04 | 4 | REGENXBIO Inc. (RGNX) | Grant/award (A): 4,790 @ $0 · Grant/award (A): 24,454 (derivative) @ $0 | EDGAR |
| 2024-05-02 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 35,156 (derivative) @ $0 | EDGAR |
| 2024-02-02 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 19,417 @ $87.10 · Sale (S): 49,499 @ $126.97 · Option exercise (M): 19,417 (derivative) @ $0 | EDGAR |
| 2024-01-24 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 23,298 @ $119.43 | 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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