Slessor Mike

CEO, DirectorFORMFACTOR INC (FORM) · full profile →Form 4 · filed Aug 10, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
8
4 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 7, 2026Option exercise(M)142K$0576K
Aug 7, 2026Tax withholding(F)79K$117.39$9.3M498K
Aug 7, 2026Option exercise(M)6K$0503K
Aug 7, 2026Tax withholding(F)3K$117.39$386K500K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 7, 2026Option exercise(M)6K$00
Aug 7, 2026Grant(A)142K$0142K
Aug 7, 2026Option exercise(M)142K$00
Aug 6, 2026Grant(A)28K$028K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-055434) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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