Arkolith/Insider Trading/GHM/Form 4

Thome Christopher J.

VP-Finance; CFOGRAHAM CORP (GHM) · full profile →Form 4 · filed May 18, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 17, 2026Option exercise(M)2K—$030K
May 17, 2026Tax withholding(F)900$98.28$88K29K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 17, 2026Option exercise(M)2K—$00

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000891839-26-000168) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML