COLL

Collegium Pharmaceutical, INC

Insider trading activity for Collegium Pharmaceutical, INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$628.6K

net selling

Bought(0 · 0 insiders): $0
Sold(4 · 3 insiders): $628.6K

Past 12 months

-$7.2M

net selling

Bought(0 · 0 insiders): $0
Sold(14 · 8 insiders): $7.2M

Transaction history

The 75 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 8	Santini Gino	Director	MEXER◆	8,700	—	—	—	Open the original filing on SEC.gov
Jun 8	Santini Gino	Director	MEXER	8,700	$16.49	$143.5K	+8.4%	Open the original filing on SEC.gov
May 18	Freund John Gordon	Director	SSELL	20	$34.05	$681	<0.1%	Open the original filing on SEC.gov
May 15	Freund John Gordon	Director	MEXER◆	8,700	—	—	—	Open the original filing on SEC.gov
May 15	Freund John Gordon	Director	SSELL	4,127	$34.54	$142.5K	-4.7%	Open the original filing on SEC.gov
May 15	Freund John Gordon	Director	MEXER	8,700	$16.49	$143.5K	+11.0%	Open the original filing on SEC.gov
May 14	Glancy Donovan Michael	Director	AGRANT	17,482	—	—	—	Open the original filing on SEC.gov
May 14	Paya Carlos V	Director	AGRANT	8,741	—	—	+44.6%	Open the original filing on SEC.gov
May 14	Lurker Nancy	Director	AGRANT	8,741	—	—	+48.5%	Open the original filing on SEC.gov
May 14	Freund John Gordon	Director	AGRANT	8,741	—	—	+12.4%	Open the original filing on SEC.gov
May 14	Santini Gino	Director	AGRANT	8,741	—	—	+9.2%	Open the original filing on SEC.gov
May 14	Balice-Gordon Rita J.	Director	AGRANT	8,741	—	—	+16.6%	Open the original filing on SEC.gov
May 14	Bohlin Garen G	Director	AGRANT	8,741	—	—	+14.0%	Open the original filing on SEC.gov
May 13	Lurker Nancy	Director	SSELL	4,500	$35.97	$161.9K	-20.0%	Open the original filing on SEC.gov
May 11	Bohlin Garen G	Director	MEXER◆	8,700	—	—	—	Open the original filing on SEC.gov
May 11	Bohlin Garen G	Director	SSELL	8,700	$37.18	$323.5K	-12.3%	Open the original filing on SEC.gov
May 11	Bohlin Garen G	Director	MEXER	8,700	$16.49	$143.5K	+14.0%	Open the original filing on SEC.gov
Mar 18	Dieter David	EVP & General Counsel	SSELL◷	13,976	$34.92	$488.1K	-15.3%	Open the original filing on SEC.gov
Mar 17	Dieter David	EVP & General Counsel	FTAX	8,840	$35.72	$315.8K	-11.5%	Open the original filing on SEC.gov
Mar 9	Dieter David	EVP & General Counsel	SSELL◷	6,224	$36.65	$228.1K	-6.4%	Open the original filing on SEC.gov
Mar 3	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	3,559	$40.99	$145.9K	-4.7%	Open the original filing on SEC.gov
Mar 3	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	46,417	$40.36	$1.9M	-38.1%	Open the original filing on SEC.gov
Feb 10	Dieter David	EVP & General Counsel	FTAX	2,781	$46.75	$130K	-2.8%	Open the original filing on SEC.gov
Feb 10	Dieter David	EVP & General Counsel	AGRANT	9,005	—	—	+9.9%	Open the original filing on SEC.gov
Feb 10	Dieter David	EVP & General Counsel	AGRANT	22,194	—	—	+32.2%	Open the original filing on SEC.gov
Feb 10	Tupper Colleen	EVP & Chief Financial…	FTAX	26,679	$46.75	$1.2M	-15.3%	Open the original filing on SEC.gov
Feb 10	Tupper Colleen	EVP & Chief Financial…	FTAX	11,861	$46.75	$554.5K	-6.4%	Open the original filing on SEC.gov
Feb 10	Tupper Colleen	EVP & Chief Financial…	AGRANT	32,734	—	—	+21.4%	Open the original filing on SEC.gov
Feb 10	Tupper Colleen	EVP & Chief Financial…	AGRANT	26,421	—	—	+20.9%	Open the original filing on SEC.gov
Feb 10	Smith Thomas B	EVP and Chief Medical…	FTAX	11,538	$46.75	$539.4K	-11.3%	Open the original filing on SEC.gov
Feb 10	Smith Thomas B	EVP and Chief Medical…	FTAX	5,897	$46.75	$275.7K	-5.5%	Open the original filing on SEC.gov
Feb 10	Smith Thomas B	EVP and Chief Medical…	AGRANT	22,774	—	—	+26.7%	Open the original filing on SEC.gov
Feb 10	Smith Thomas B	EVP and Chief Medical…	AGRANT	14,268	—	—	+20.1%	Open the original filing on SEC.gov
Feb 10	Dreyer Scott	EVP & Chief Commercial…	FTAX	21,615	$46.75	$1M	-15.1%	Open the original filing on SEC.gov
Feb 10	Dreyer Scott	EVP & Chief Commercial…	FTAX	9,977	$46.75	$466.4K	-6.5%	Open the original filing on SEC.gov
Feb 10	Dreyer Scott	EVP & Chief Commercial…	AGRANT	30,702	—	—	+25.0%	Open the original filing on SEC.gov
Feb 10	Dreyer Scott	EVP & Chief Commercial…	AGRANT	19,023	—	—	+18.4%	Open the original filing on SEC.gov
Feb 10	Karnani Vikram	President and CEO	FTAX	11,296	$46.75	$528.1K	-5.4%	Open the original filing on SEC.gov
Feb 10	Karnani Vikram	President and CEO	AGRANT	32,531	—	—	+18.4%	Open the original filing on SEC.gov
Feb 10	Karnani Vikram	President and CEO	AGRANT	79,264	—	—	+81.4%	Open the original filing on SEC.gov
Dec 8, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷◆	17,600	—	—	—	Open the original filing on SEC.gov
Dec 8, 2025	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	6,475	$48.66	$315.1K	-5.9%	Open the original filing on SEC.gov
Dec 8, 2025	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	11,125	$47.89	$532.8K	-9.2%	Open the original filing on SEC.gov
Dec 8, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷	17,600	$15.90	$279.8K	+17.0%	Open the original filing on SEC.gov
Dec 5, 2025	Balice-Gordon Rita J.	Director	SSELL	3,650	$47.03	$171.7K	-6.5%	Open the original filing on SEC.gov
Nov 12, 2025	Karnani Vikram	President and CEO	FTAX	8,983	$47.35	$425.3K	-8.5%	Open the original filing on SEC.gov
Nov 12, 2025	Fallon John A.	Director	MEXER◆	19,853	—	—	—	Open the original filing on SEC.gov
Nov 12, 2025	Fallon John A.	Director	MEXER◆	15,000	—	—	—	Open the original filing on SEC.gov
Nov 12, 2025	Fallon John A.	Director	SSELL	34,853	$47.21	$1.6M	-35.0%	Open the original filing on SEC.gov
Nov 12, 2025	Fallon John A.	Director	MEXER	19,853	$9.33	$185.2K	+24.9%	Open the original filing on SEC.gov
Nov 12, 2025	Fallon John A.	Director	MEXER	15,000	$16.49	$247.4K	+23.2%	Open the original filing on SEC.gov
Nov 6, 2025	Tupper Colleen	EVP & Chief Financial…	SSELL◷	4,858	$41.28	$200.5K	-3.7%	Open the original filing on SEC.gov
Nov 6, 2025	Tupper Colleen	EVP & Chief Financial…	SSELL◷	25,142	$40.38	$1M	-16.1%	Open the original filing on SEC.gov
Aug 29, 2025	Smith Thomas B	EVP and Chief Medical…	SSELL	17,478	$38.42	$671.6K	-19.9%	Open the original filing on SEC.gov
Aug 18, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷◆	16,389	—	—	—	Open the original filing on SEC.gov
Aug 18, 2025	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	16,389	$38.21	$626.2K	-13.7%	Open the original filing on SEC.gov
Aug 18, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷	16,389	$21.34	$349.7K	+15.8%	Open the original filing on SEC.gov
Aug 15, 2025	Santini Gino	Director	MEXER◆	15,000	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Santini Gino	Director	SSELL	5,405	$37.19	$201K	-5.4%	Open the original filing on SEC.gov
Aug 15, 2025	Santini Gino	Director	MEXER	15,000	$13.45	$201.8K	+17.5%	Open the original filing on SEC.gov
Aug 13, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷◆	4,861	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Dreyer Scott	EVP & Chief Commercial…	SSELL◷	4,861	$38.03	$184.9K	-4.5%	Open the original filing on SEC.gov
Aug 13, 2025	Dreyer Scott	EVP & Chief Commercial…	MEXER◷	4,861	$21.34	$103.7K	+4.7%	Open the original filing on SEC.gov
Aug 13, 2025	Rubric Capital Managemen…	10% Owner	SSELL	25,000	$37.85	$946.3K	-0.8%	Open the original filing on SEC.gov
Aug 8, 2025	Freund John Gordon	Director	SSELL	11,659	$34.36	$400.6K	-33.5%	Open the original filing on SEC.gov
Jun 9, 2025	Freund John Gordon	Director	MEXER◆	15,000	—	—	—	Open the original filing on SEC.gov
Jun 9, 2025	Freund John Gordon	Director	SSELL	6,601	$30.62	$202.1K	-8.5%	Open the original filing on SEC.gov
Jun 9, 2025	Freund John Gordon	Director	MEXER	15,000	$13.45	$201.8K	+24.1%	Open the original filing on SEC.gov
May 15, 2025	Fallon John A.	Director	AGRANT	9,791	—	—	+17.8%	Open the original filing on SEC.gov
May 15, 2025	Lurker Nancy	Director	AGRANT	9,791	—	—	+76.9%	Open the original filing on SEC.gov
May 15, 2025	Freund John Gordon	Director	AGRANT	9,791	—	—	+18.7%	Open the original filing on SEC.gov
May 15, 2025	Santini Gino	Director	AGRANT	9,791	—	—	+12.9%	Open the original filing on SEC.gov
May 15, 2025	Paya Carlos V	Director	AGRANT	19,582	—	—	—	Open the original filing on SEC.gov
May 15, 2025	Balice-Gordon Rita J.	Director	AGRANT	9,791	—	—	+21.1%	Open the original filing on SEC.gov
May 15, 2025	Bohlin Garen G	Director	AGRANT	9,791	—	—	+18.7%	Open the original filing on SEC.gov

MEXER◆—

Santini Gino · DirectorJun 8

8,700 sh

MEXER$143.5K

Santini Gino · DirectorJun 8

8,700 sh @ $16.49 · +8.4% own

SSELL$681

Freund John Gordon · DirectorMay 18

20 sh @ $34.05 · <0.1% own

MEXER◆—

Freund John Gordon · DirectorMay 15

8,700 sh

SSELL$142.5K

Freund John Gordon · DirectorMay 15

4,127 sh @ $34.54 · -4.7% own

MEXER$143.5K

Freund John Gordon · DirectorMay 15

8,700 sh @ $16.49 · +11.0% own

AGRANT—

Glancy Donovan Michael · DirectorMay 14

17,482 sh

AGRANT—

Paya Carlos V · DirectorMay 14

8,741 sh · +44.6% own

AGRANT—

Lurker Nancy · DirectorMay 14

8,741 sh · +48.5% own

AGRANT—

Freund John Gordon · DirectorMay 14

8,741 sh · +12.4% own

AGRANT—

Santini Gino · DirectorMay 14

8,741 sh · +9.2% own

AGRANT—

Balice-Gordon Rita J. · DirectorMay 14

8,741 sh · +16.6% own

AGRANT—

Bohlin Garen G · DirectorMay 14

8,741 sh · +14.0% own

SSELL$161.9K

Lurker Nancy · DirectorMay 13

4,500 sh @ $35.97 · -20.0% own

MEXER◆—

Bohlin Garen G · DirectorMay 11

8,700 sh

SSELL$323.5K

Bohlin Garen G · DirectorMay 11

8,700 sh @ $37.18 · -12.3% own

MEXER$143.5K

Bohlin Garen G · DirectorMay 11

8,700 sh @ $16.49 · +14.0% own

SSELL◷$488.1K

Dieter David · EVP & General…Mar 18

13,976 sh @ $34.92 · -15.3% own

FTAX$315.8K

Dieter David · EVP & General…Mar 17

8,840 sh @ $35.72 · -11.5% own

SSELL◷$228.1K

Dieter David · EVP & General…Mar 9

6,224 sh @ $36.65 · -6.4% own

SSELL◷$145.9K

Dreyer Scott · EVP & Chief…Mar 3

3,559 sh @ $40.99 · -4.7% own

SSELL◷$1.9M

Dreyer Scott · EVP & Chief…Mar 3

46,417 sh @ $40.36 · -38.1% own

FTAX$130K

Dieter David · EVP & General…Feb 10

2,781 sh @ $46.75 · -2.8% own

AGRANT—

Dieter David · EVP & General…Feb 10

9,005 sh · +9.9% own

AGRANT—

Dieter David · EVP & General…Feb 10

22,194 sh · +32.2% own

FTAX$1.2M

Tupper Colleen · EVP & Chief…Feb 10

26,679 sh @ $46.75 · -15.3% own

FTAX$554.5K

Tupper Colleen · EVP & Chief…Feb 10

11,861 sh @ $46.75 · -6.4% own

AGRANT—

Tupper Colleen · EVP & Chief…Feb 10

32,734 sh · +21.4% own

AGRANT—

Tupper Colleen · EVP & Chief…Feb 10

26,421 sh · +20.9% own

FTAX$539.4K

Smith Thomas B · EVP and Chief…Feb 10

11,538 sh @ $46.75 · -11.3% own

FTAX$275.7K

Smith Thomas B · EVP and Chief…Feb 10

5,897 sh @ $46.75 · -5.5% own

AGRANT—

Smith Thomas B · EVP and Chief…Feb 10

22,774 sh · +26.7% own

AGRANT—

Smith Thomas B · EVP and Chief…Feb 10

14,268 sh · +20.1% own

FTAX$1M

Dreyer Scott · EVP & Chief…Feb 10

21,615 sh @ $46.75 · -15.1% own

FTAX$466.4K

Dreyer Scott · EVP & Chief…Feb 10

9,977 sh @ $46.75 · -6.5% own

AGRANT—

Dreyer Scott · EVP & Chief…Feb 10

30,702 sh · +25.0% own

AGRANT—

Dreyer Scott · EVP & Chief…Feb 10

19,023 sh · +18.4% own

FTAX$528.1K

Karnani Vikram · President and CEOFeb 10

11,296 sh @ $46.75 · -5.4% own

AGRANT—

Karnani Vikram · President and CEOFeb 10

32,531 sh · +18.4% own

AGRANT—

Karnani Vikram · President and CEOFeb 10

79,264 sh · +81.4% own

MEXER◷◆—

Dreyer Scott · EVP & Chief…Dec 8, 2025

17,600 sh

SSELL◷$315.1K

Dreyer Scott · EVP & Chief…Dec 8, 2025

6,475 sh @ $48.66 · -5.9% own

SSELL◷$532.8K

Dreyer Scott · EVP & Chief…Dec 8, 2025

11,125 sh @ $47.89 · -9.2% own

MEXER◷$279.8K

Dreyer Scott · EVP & Chief…Dec 8, 2025

17,600 sh @ $15.90 · +17.0% own

SSELL$171.7K

Balice-Gordon Rita J. · DirectorDec 5, 2025

3,650 sh @ $47.03 · -6.5% own

FTAX$425.3K

Karnani Vikram · President and CEONov 12, 2025

8,983 sh @ $47.35 · -8.5% own

MEXER◆—

Fallon John A. · DirectorNov 12, 2025

19,853 sh

MEXER◆—

Fallon John A. · DirectorNov 12, 2025

15,000 sh

SSELL$1.6M

Fallon John A. · DirectorNov 12, 2025

34,853 sh @ $47.21 · -35.0% own

MEXER$185.2K

Fallon John A. · DirectorNov 12, 2025

19,853 sh @ $9.33 · +24.9% own

MEXER$247.4K

Fallon John A. · DirectorNov 12, 2025

15,000 sh @ $16.49 · +23.2% own

SSELL◷$200.5K

Tupper Colleen · EVP & Chief…Nov 6, 2025

4,858 sh @ $41.28 · -3.7% own

SSELL◷$1M

Tupper Colleen · EVP & Chief…Nov 6, 2025

25,142 sh @ $40.38 · -16.1% own

SSELL$671.6K

Smith Thomas B · EVP and Chief…Aug 29, 2025

17,478 sh @ $38.42 · -19.9% own

MEXER◷◆—

Dreyer Scott · EVP & Chief…Aug 18, 2025

16,389 sh

SSELL◷$626.2K

Dreyer Scott · EVP & Chief…Aug 18, 2025

16,389 sh @ $38.21 · -13.7% own

MEXER◷$349.7K

Dreyer Scott · EVP & Chief…Aug 18, 2025

16,389 sh @ $21.34 · +15.8% own

MEXER◆—

Santini Gino · DirectorAug 15, 2025

15,000 sh

SSELL$201K

Santini Gino · DirectorAug 15, 2025

5,405 sh @ $37.19 · -5.4% own

MEXER$201.8K

Santini Gino · DirectorAug 15, 2025

15,000 sh @ $13.45 · +17.5% own

MEXER◷◆—

Dreyer Scott · EVP & Chief…Aug 13, 2025

4,861 sh

SSELL◷$184.9K

Dreyer Scott · EVP & Chief…Aug 13, 2025

4,861 sh @ $38.03 · -4.5% own

MEXER◷$103.7K

Dreyer Scott · EVP & Chief…Aug 13, 2025

4,861 sh @ $21.34 · +4.7% own

SSELL$946.3K

Rubric Capital Managemen… · 10% OwnerAug 13, 2025

25,000 sh @ $37.85 · -0.8% own

SSELL$400.6K

Freund John Gordon · DirectorAug 8, 2025

11,659 sh @ $34.36 · -33.5% own

MEXER◆—

Freund John Gordon · DirectorJun 9, 2025

15,000 sh

SSELL$202.1K

Freund John Gordon · DirectorJun 9, 2025

6,601 sh @ $30.62 · -8.5% own

MEXER$201.8K

Freund John Gordon · DirectorJun 9, 2025

15,000 sh @ $13.45 · +24.1% own

AGRANT—

Fallon John A. · DirectorMay 15, 2025

9,791 sh · +17.8% own

AGRANT—

Lurker Nancy · DirectorMay 15, 2025

9,791 sh · +76.9% own

AGRANT—

Freund John Gordon · DirectorMay 15, 2025

9,791 sh · +18.7% own

AGRANT—

Santini Gino · DirectorMay 15, 2025

9,791 sh · +12.9% own

AGRANT—

Paya Carlos V · DirectorMay 15, 2025

19,582 sh

AGRANT—

Balice-Gordon Rita J. · DirectorMay 15, 2025

9,791 sh · +21.1% own

AGRANT—

Bohlin Garen G · DirectorMay 15, 2025

9,791 sh · +18.7% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 39 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 10 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Mar 17	Apr 2	Dieter DavidEVP & General Counsel	10days	$315.8K	Filing ↗

Dieter DavidEVP & General Counsel

10days

Traded Mar 17 · filed Apr 2Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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