Form 4 for AP AMPCO PITTSBURGH CORP

Accepted 2026-05-19 11:27:42 ET · period of report 2026-05-15 · accession 0001193125-26-229993 · 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	2026-05-19 11:27	2026-05-15	AP	Anderson David George	VP, CFO, Treas, Pres. ALS	F - Tax	$10.85	-14.3K	71.8K	-17%	-$154.7K
	2026-05-19 11:27	2026-05-15	AP	Anderson David George	VP, CFO, Treas, Pres. ALS	A - Grant	$0.00	+11.1K	83.0K	+15%	$0

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	2026-05-15	F	D	1,370	$10.85	84,733	D	—	—	(F1) Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units.
2	Common	Common Stock	2026-05-15	F	D	2,179	$10.85	82,554	D	—	—	(F2) Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units.
3	Common	Common Stock	2026-05-15	F	D	2,489	$10.85	80,065	D	—	—	(F3) Represents the payment of tax liability by withholding shares incident to the vesting of the 2025 grant of Restricted Stock Units.
4	Common	Common Stock	2026-05-15	F	D	8,216	$10.85	71,849	D	—	—	(F4) Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units.
5	Common	Common Stock	2026-05-15	A	A	11,117	$0.00	82,966	D	—	—	(F5) Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation ("Company") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025. Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock. Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date.