Form4insider filings, from the source

Company · CIK 0001267565 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

COLLEGIUM PHARMACEUTICAL, INC · COLL

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 8, 2026 MForm 4 →Jun 10, 4:10 pm EDTGino SantiniDirector8,700$16.49$143,463112,483—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 8, 2026 MForm 4 →Jun 10, 4:10 pm EDTGino SantiniDirector8,700——0—