InsiderTrades

Form 4 for CTOS Custom Truck One Source, Inc.

Accepted 2026-03-26 00:00:00 ET · period of report 2026-02-23 · accession 0001213900-26-034747 · 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
2026-03-26 2026-02-23 CTOS Ross Fredrick M. Jr. Dir A - Grant $0.00 +43.4K 448.4K +11% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-23 A A 43,392 $0.00 448,379 D — — (F1) Represents an award of performance stock units ("PSUs") earned as a result of the achievement of performance criteria pursuant to PSU awards with a performance period that ended on December 31, 2025, as certified by the compensation committee of the Issuer's board of directors on February 23, 2026. Such shares remain subject to a time-based vesting condition, which will be satisfied on December 31, 2026.