InsiderTrades

Form 4 for COLL COLLEGIUM PHARMACEUTICAL, INC

Accepted 2026-04-03 16:46:19 ET · period of report 2026-03-17 · accession 0002061438-26-000009 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-04-03 16:46 2026-03-17 COLL Dieter David EVP, GC F - Tax $35.72 -8,840 68.2K -11% -$315.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-17 F D 8,840 $35.72 68,231 D — — (F1) Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of restricted stock units.