Insiders / Chattopadhyay Sanat
Chattopadhyay Sanat
CIK 1670690personinsider
Companies
2
First seen
Jan 5, 2026
Last activity
Jan 28, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Merck & Co., Inc. · MRK | 13,880 | — |
| Ashland Inc. · ASH | — | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Ashland Inc. | Restricted Stock UnitsDerivative | 6,711 |
| Ashland Inc. | Common Stock UnitsDerivative | 1,679 |
| Merck & Co., Inc. | Common Stock | 13,880 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jan 26, 2026 | Grant | MRK Merck & Co., Inc. Common Stock | $1.49M | +14K | 13,880 <0.01% of shares | low |
| Jan 20, 2026 | Grant | ASH Ashland Inc. Restricted Stock Units | — | +2K +57.46% | 6,711 0.01% of shares | low |
| Dec 31, 2025 | Grant | ASH Ashland Inc. Common Stock Units | — | +245 +17.09% | 1,679 <0.01% of shares | low |