InsiderTrades

Form 4 for CTOS Custom Truck One Source, Inc.

Accepted 2026-04-03 18:07:54 ET · period of report 2026-04-01 · accession 0001213900-26-040061 · 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
D 2026-04-03 18:07 2026-04-01 CTOS JOLAS PAUL M EVP, GC, Sec M - OptEx $0.00 +50.6K 101.1K +100% $0
D 2026-04-03 18:07 2026-04-01 CTOS JOLAS PAUL M EVP, GC, Sec F - Tax $6.62 -19.9K 81.2K -20% -$131.9K
DM 2026-04-03 18:07 2026-04-01 CTOS JOLAS PAUL M EVP, GC, Sec M - OptEx $0.00 -50.6K 50.6K -50% $0
D 2026-04-03 18:07 2026-04-01 CTOS JOLAS PAUL M EVP, GC, Sec A - Grant $0.00 +72.5K 72.5K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-01 M A 50,625 $0.00 101,083 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2 Common Common Stock 2026-04-01 F D 19,923 $6.62 81,160 D — — (F2) Shares withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units.
3 Derivative Restricted Stock Unit 2026-04-01 M D 16,875 $0.00 16,875 D — · — to — 16,875 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F3) The restricted stock units vest in four equal annual installments beginning on April 1, 2024. (F3) The restricted stock units vest in four equal annual installments beginning on April 1, 2024.
4 Derivative Restricted Stock Unit 2026-04-01 M D 16,875 $0.00 33,750 D — · — to — 16,875 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F4) The restricted stock units vest in four equal annual installments beginning on April 1, 2025. (F4) The restricted stock units vest in four equal annual installments beginning on April 1, 2025.
5 Derivative Restricted Stock Unit 2026-04-01 M D 16,875 $0.00 50,625 D — · — to — 16,875 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F5) The restricted stock units vest in four equal annual installments beginning on April 1, 2026. (F5) The restricted stock units vest in four equal annual installments beginning on April 1, 2026.
6 Derivative Restricted Stock Unit 2026-04-01 A A 72,500 $0.00 72,500 D — · — to — 72,500 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F6) The restricted stock units vest in four equal annual installments beginning on April 1, 2027, subject to continued service on the applicable vesting date and potential partial acceleration upon the achievement of certain corporate milestones. (F6) The restricted stock units vest in four equal annual installments beginning on April 1, 2027, subject to continued service on the applicable vesting date and potential partial acceleration upon the achievement of certain corporate milestones.