Insiders / Dieter David
Dieter David
CIK 2061438personinsider
Companies
1
First seen
Feb 12, 2026
Last activity
Apr 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Collegium Pharmaceutical, Inc. · COLL | 77,071 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Collegium Pharmaceutical, Inc. | Common Stock | 77,071 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 18, 2026 | Sell | COLL Collegium Pharmaceutical, Inc. Common Stock | $488.1K | -14K -15.35% | 77,071 0.24% of shares | medium |
| Mar 17, 2026 | Other | COLL Collegium Pharmaceutical, Inc. Common Stock | $315.8K | -9K -11.47% | 68,231 0.21% of shares | low |
| Mar 9, 2026 | Sell | COLL Collegium Pharmaceutical, Inc. Common Stock | $228.1K | -6K -6.40% | 91,047 0.28% of shares | medium |
| Feb 10, 2026 | Other | COLL Collegium Pharmaceutical, Inc. Common Stock | $130.0K | -3K -2.78% | 97,271 0.30% of shares | low |
| Feb 10, 2026 | Grant | COLL Collegium Pharmaceutical, Inc. Common Stock | $0 | +9K +9.89% | 100,052 0.31% of shares | low |
| Feb 10, 2026 | Grant | COLL Collegium Pharmaceutical, Inc. Common Stock | $0 | +22K +32.23% | 91,047 0.28% of shares | low |