Form 4 for KGS Kodiak Gas Services, Inc.

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-08 · accession 0001193125-26-100813 · 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	2026-03-10	2026-03-08	KGS	Buhigas Pedro R.	CIO	A - Grant	$55.89	+28.2K	67.9K	+71%	+$1.57M
	2026-03-10	2026-03-08	KGS	Buhigas Pedro R.	CIO	F - Tax	$55.89	-11.3K	56.7K	-17%	-$629.7K

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	2026-03-08	A	A	7,157	$55.89	46,931	D	—	—	(F1) The reported securities are restricted stock units that vest and settle in shares of common stock in three equal installments beginning March 8, 2027.
2	Common	Common Stock	2026-03-08	F	D	11,266	$55.89	56,665	D	—	—	(F3) Issuer withheld shares to satisfy the tax withholding obligations associated with the vesting of restricted shares. (F4) Excludes 47,455 shares of performance based restricted stock units that were initially voluntarily reported, but unvested as of the Form 3A filed 1/5/2026; the amount of shares beneficially owned (56,665) as of this transaction date reflects the performance based restricted stock units actually earned and vested.
3	Common	Common Stock	2026-03-08	A	A	21,000	$55.89	67,931	D	—	—	(F2) Represents an award of performance based restricted stock units the payout of which was subject to the achievement of performance metrics related to discretionary cash flow, consolidated net leverage ratio, absolute total shareholder return and an ESG scorecard over the period of June 28, 2023 to December 31, 2025. The Personnel and Compensation Committee certified the shares with a vest date of March 8, 2026. The restricted stock units converted into shares of common stock on a one-for-one basis.