Insider · CIK 0001722753
Chirfi Guindo
Files at: MRK, BEAM, BIIB. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 SForm 4 → | Aug 13, 5:02 pm EDT | Merck & Co., Inc.MRK | 10,000 | $135.00 | $1,350,000 | 36,613 | −21.5% | |
| Aug 6, 2026 SForm 4 → | Aug 7, 4:17 pm EDT | Merck & Co., Inc.MRK | 15,000 | $131.00 | $1,965,000 | 46,613 | −24.3% |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 AForm 4 → | Jun 5, 4:05 pm EDT | Beam Therapeutics Inc.BEAM | 19,676 | — | — | 19,676 | — |