Form 4 for SRRK Scholar Rock Holding Corp

Accepted 2026-04-20 18:10:16 ET · period of report 2026-04-16 · accession 0001104659-26-045583 · 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
	2026-04-20 18:10	2026-04-16	SRRK	Vaishnaw Akshay	Pres of R, D, Dir	S - Sale	$49.57	-12.2K	630.5K	-2%	-$607.1K

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	2026-04-16	S	D	12,246	$49.57	630,542	D	—	—	(F1) Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSUs") on April 15, 2026. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to awards that were granted on April 27, 2025. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date. (F2) Consists of 58,521 shares of common stock, 122,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions.