Arkolith/Insider Trading/CTOS/Form 4

McMonagle Ryan

Chief Executive Officer, DirectorCustom Truck One Source, Inc. (CTOS) · full profile →Form 4 · filed Apr 3, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
5
2 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 1, 2026Option exercise(M)122K—$0751K
Apr 1, 2026Tax withholding(F)55K$6.62$363K696K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 1, 2026Option exercise(M)81K—$081K
Apr 1, 2026Option exercise(M)41K—$0122K
Apr 1, 2026Grant(A)175K—$0175K

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 0001213900-26-040063) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML