InsiderTrades

Form 4 for SST System1, Inc.

Accepted 2025-07-17 00:00:00 ET · period of report 2025-07-15 · accession 0001906904-25-000010 · 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
2025-07-17 2025-07-15 SST Coppola Brian Chief Ad Ops Off F - Tax $6.33 -330 27.6K -1% -$2,089

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-07-15 F D 330 $6.33 27,649 D — — (F1) Upon the vesting of 753 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 330 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. (F2) Represents the total number of shares held after the Issuer's completion of a 1-for-10 reverse stock split that occurred on June 11, 2025. (F3) Includes 5,931 unvested RSUs.