InsiderTrades

Form 4 for SST System1, Inc.

Accepted 2026-04-17 20:33:35 ET · period of report 2026-04-15 · accession 0001628280-26-025911 · 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
2026-04-17 20:33 2026-04-15 SST Kidambi Tridivesh CFO P - Purchase $3.00 +26.9K 146.8K +22% +$80.7K
2026-04-17 20:33 2026-04-15 SST Kidambi Tridivesh CFO F - Tax $2.26 -301 146.5K -0.2% -$680.26

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-04-15 P A 26,910 $3.00 146,816 D — — (F1) The Reporting Person purchased 26,910 shares in a privately negotiated arm's length transaction from another existing holder of the Issuer's Class A common stock in a transaction that was not conducted through the exchange on which the Issuer's securities are listed. (F2) Includes 53,352 unvested RSUs.
2 Common Class A Common Stock 2026-04-15 F D 301 $2.26 146,515 D — — (F3) Upon the vesting of 838 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 301 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. (F4) Includes 52,514 unvested RSUs.