Form 4 for COLL COLLEGIUM PHARMACEUTICAL, INC

Accepted 2026-02-12 00:00:00 ET · period of report 2026-02-10 · accession 0002061438-26-000002 · 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
M	2026-02-12	2026-02-10	COLL	Dieter David	EVP, GC	A - Grant	$0.00	+31.2K	100.1K	+45%	$0
	2026-02-12	2026-02-10	COLL	Dieter David	EVP, GC	F - Tax	$46.75	-2,781	97.3K	-3%	-$130.0K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-10	A	A	22,194	$0.00	91,047	D	—	—	(F1) Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock. (F2) Includes 404 shares acquired on January 16, 2026 under the Issuer's employee stock purchase plan.
2	Common	Common Stock	2026-02-10	A	A	9,005	$0.00	100,052	D	—	—	(F3) Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 9,005 performance share units ("PSUs") granted in the Issuer's 2025 fiscal year.
3	Common	Common Stock	2026-02-10	F	D	2,781	$46.75	97,271	D	—	—	(F4) Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.