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Collegium Pharmaceutical, Inc. (COLL)

Collegium Pharmaceutical, Inc. (COLL) Insider Trading

Directors, officers and holders of more than 10% of COLL report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 122 transactions on file: 0 with code P, 12 with code S and 38 with other codes.

DateInsiderCodeShares
Jun 8, 2026SANTINI GINOM Exercise8,700
Jun 8, 2026SANTINI GINOM Exercise8,700
May 18, 2026Freund John GordonS Sale20
May 15, 2026Freund John GordonM Exercise8,700
May 15, 2026Freund John GordonM Exercise8,700
May 15, 2026Freund John GordonS Sale4,127
May 14, 2026Glancy Donovan MichaelA Award17,482
May 14, 2026Freund John GordonA Award8,741
May 14, 2026Balice-Gordon Rita J.A Award8,741
May 14, 2026SANTINI GINOA Award8,741
May 14, 2026BOHLIN GAREN GA Award8,741
May 14, 2026Paya Carlos VA Award8,741
May 14, 2026Lurker NancyA Award8,741
May 13, 2026Lurker NancyS Sale4,500
May 11, 2026BOHLIN GAREN GM Exercise8,700
May 11, 2026BOHLIN GAREN GM Exercise8,700
May 11, 2026BOHLIN GAREN GS Sale8,700
Mar 18, 2026Dieter DavidS Sale13,976
Mar 17, 2026Dieter DavidF Tax Payment8,840
Mar 9, 2026Dieter DavidS Sale6,224
Mar 3, 2026Dreyer ScottS Sale3,559
Mar 3, 2026Dreyer ScottS Sale46,417
Feb 10, 2026Karnani VikramA Award79,264
Feb 10, 2026Smith Thomas BA Award14,268
Feb 10, 2026Dieter DavidA Award9,005
Feb 10, 2026Smith Thomas BA Award22,774
Feb 10, 2026Dreyer ScottF Tax Payment9,977
Feb 10, 2026Smith Thomas BF Tax Payment5,897
Feb 10, 2026Smith Thomas BF Tax Payment11,538
Feb 10, 2026Dieter DavidA Award22,194
Feb 10, 2026Tupper ColleenF Tax Payment26,679
Feb 10, 2026Tupper ColleenF Tax Payment11,861
Feb 10, 2026Tupper ColleenA Award32,734
Feb 10, 2026Tupper ColleenA Award26,421
Feb 10, 2026Karnani VikramF Tax Payment11,296
Feb 10, 2026Karnani VikramA Award32,531
Feb 10, 2026Dreyer ScottA Award19,023
Feb 10, 2026Dreyer ScottA Award30,702
Feb 10, 2026Dieter DavidF Tax Payment2,781
Feb 10, 2026Dreyer ScottF Tax Payment21,615
Dec 8, 2025Dreyer ScottM Exercise17,600
Dec 8, 2025Dreyer ScottS Sale11,125
Dec 8, 2025Dreyer ScottS Sale6,475
Dec 8, 2025Dreyer ScottM Exercise17,600
Dec 5, 2025Balice-Gordon Rita J.S Sale3,650
Nov 12, 2025Fallon John A.M Exercise19,853
Nov 12, 2025Fallon John A.M Exercise19,853
Nov 12, 2025Fallon John A.M Exercise15,000
Nov 12, 2025Karnani VikramF Tax Payment8,983
Nov 12, 2025Fallon John A.S Sale34,853

The full Form 4 history is on the COLL company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.