Form 4 for BL BLACKLINE, INC.

Accepted 2025-05-21 00:00:00 ET · period of report 2025-05-20 · accession 0001127602-25-015179 · 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	2025-05-21	2025-05-20	BL	Villanova Patrick	CFO	F - Tax	$55.43	-779	77.1K	-1%	-$43.2K

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	2025-05-20	F	D	299	$55.43	76,508	D	—	—	(F1) The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs"). (F2) Includes 400 shares acquired on May 9, 2025, through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).
2	Common	Common Stock	2025-05-20	F	D	260	$55.43	76,807	D	—	—	(F1) The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").
3	Common	Common Stock	2025-05-20	F	D	220	$55.43	77,067	D	—	—	(F1) The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").