Guindo Chirfi — SEC Form 4 filings
SEC reporting owner CIK 1722753. 16 Form 4 filings on record with FilingPulse; latest filed 2026-08-13.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-05-02 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 5 filings — 65,000 shares, $8,151,339 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 19.
- Largest priced transaction: sale of 20,000 shares @ $121.88 ($2,437,676) in Merck & Co., Inc., filed 2026-02-06.
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, Access, Policy & Comms | 13 | — | 5 legs · 65,000 sh · $8,151,339 | 16 |
| Beam Therapeutics Inc. (BEAM) | Director | 3 | — | — | 3 |
Form 4 filings — Guindo Chirfi
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-13 | 4 | Merck & Co., Inc. (MRK) | Sale (S): 10,000 @ $135 | EDGAR |
| 2026-08-07 | 4 | Merck & Co., Inc. (MRK) | Sale (S): 15,000 @ $131 | EDGAR |
| 2026-06-05 | 4 | Beam Therapeutics Inc. (BEAM) | Grant/award (A): 19,676 (derivative) @ $0 | EDGAR |
| 2026-05-07 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 6,628 (derivative) @ $0 · Grant/award (A): 19,402 (derivative) @ $0 | EDGAR |
| 2026-05-01 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 1,967 @ $110.03 · Tax withholding (F): 969 @ $110.03 · Option exercise (M): 1,967 (derivative) @ $0 | EDGAR |
| 2026-02-12 | 4 | Merck & Co., Inc. (MRK) | Sale (S): 10,000 @ $121.46 | EDGAR |
| 2026-02-09 | 4 | Merck & Co., Inc. (MRK) | Sale (S): 10,000 @ $118.41 | EDGAR |
| 2026-02-06 | 4 | Merck & Co., Inc. (MRK) | Sale (S): 20,000 @ $121.88 | EDGAR |
| 2026-01-28 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 9,865 @ $107.40 | EDGAR |
| 2025-08-05 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 36,903 @ $79.29 · Tax withholding (F): 18,175 @ $79.29 · Option exercise (M): 36,903 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Beam Therapeutics Inc. (BEAM) | Grant/award (A): 33,662 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 5,902 (derivative) @ $0 · Grant/award (A): 26,867 (derivative) @ $0 | EDGAR |
| 2025-01-29 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 28,158 @ $97.94 | EDGAR |
| 2024-12-04 | 4 | Beam Therapeutics Inc. (BEAM) | Grant/award (A): 39,086 (derivative) @ $0 | EDGAR |
| 2024-08-06 | 4 | Merck & Co., Inc. (MRK) | Option exercise (M): 36,901 @ $115.20 · Tax withholding (F): 17,412 @ $115.20 · Option exercise (M): 36,901 (derivative) @ $0 | EDGAR |
| 2024-05-02 | 4 | Merck & Co., Inc. (MRK) | Grant/award (A): 29,297 (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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1722753 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →