Insiders / Guindo Chirfi
Guindo Chirfi
CIK 1722753personinsider
Companies
1
First seen
Jan 28, 2026
Last activity
Feb 12, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Merck & Co., Inc. · MRK | 60,615 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Merck & Co., Inc. | Common Stock | 60,615 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 5, 2026 | Sell | MRK Merck & Co., Inc. Common Stock | $2.44M | -20K -19.88% | 80,615 <0.01% of shares | medium |
| Feb 12, 2026 | Sell | MRK Merck & Co., Inc. Common Stock | $1.21M | -10K -14.16% | 60,615 <0.01% of shares | medium |
| Feb 9, 2026 | Sell | MRK Merck & Co., Inc. Common Stock | $1.18M | -10K -12.40% | 70,615 <0.01% of shares | medium |
| Jan 26, 2026 | Grant | MRK Merck & Co., Inc. Common Stock | $1.06M | +10K +10.87% | 100,615 <0.01% of shares | low |