Form 4 for SST System1, Inc.
Accepted 2026-01-29 00:00:00 ET · period of report 2026-01-28 · accession 0001628280-26-004228 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-29 | 2026-01-28 | SST | Sestanovich Elizabeth | CHRO | F - Tax | $4.18 | -211 | 59.3K | -0.4% | -$881.98 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-01-28 | F | D | 211 | $4.18 | 59,289 | D | — | — | (F1) Upon the vesting of 375 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 211 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. (F2) Includes 42,680 unvested RSUs. |