SST insider transaction filings
System1, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-17. Screen SST transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-17 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 7,058 @ $2.60 | EDGAR |
| 2026-07-17 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 6,124 @ $2.60 | EDGAR |
| 2026-07-17 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 6,022 @ $2.60 | EDGAR |
| 2026-07-17 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 9,156 @ $2.60 | EDGAR |
| 2026-06-02 | 4 | Kidambi Tridivesh — Chief Financial Officer | Grant/award (A): 35,300 @ $0 | EDGAR |
| 2026-04-17 | 4 | Kidambi Tridivesh — Chief Financial Officer | Purchase (P): 26,910 @ $3 · Tax withholding (F): 301 @ $2.26 | EDGAR |
| 2026-04-17 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 341 @ $2.26 | EDGAR |
| 2026-04-17 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 331 @ $2.26 | EDGAR |
| 2026-04-17 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 341 @ $2.26 | EDGAR |
| 2026-01-29 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 258 @ $4.18 | EDGAR |
| 2026-01-29 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 211 @ $4.18 | EDGAR |
| 2026-01-29 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 231 @ $4.18 | EDGAR |
| 2026-01-29 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 211 @ $4.18 | EDGAR |
| 2026-01-16 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 345 @ $4.40 | EDGAR |
| 2026-01-16 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 377 @ $4.40 | EDGAR |
| 2026-01-16 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 371 @ $4.40 | EDGAR |
| 2026-01-16 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 377 @ $4.40 | EDGAR |
| 2025-10-30 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 263 @ $6.18 | EDGAR |
| 2025-10-30 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 158 @ $6.18 | EDGAR |
| 2025-10-30 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 235 @ $6.18 | EDGAR |
| 2025-10-30 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 214 @ $6.18 | EDGAR |
| 2025-10-17 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 377 @ $7.94 | EDGAR |
| 2025-10-17 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 352 @ $7.94 | EDGAR |
| 2025-10-17 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 282 @ $7.94 | EDGAR |
| 2025-10-17 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 382 @ $7.94 | EDGAR |
| 2025-08-26 | 4 | CEE Holdings Trust — 10% owner | Purchase (P): 11,015 @ $7.32 | EDGAR |
| 2025-08-21 | 4 | CEE Holdings Trust — 10% owner | Purchase (P): 6,567 @ $6.32 · Purchase (P): 12,584 @ $6.25 · Purchase (P): 12,584 @ $6.90 | EDGAR |
| 2025-08-05 | 4 | Caswell Ryan R. — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-05 | 4 | MARTIRE FRANK R — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-04 | 4 | Civantos John — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-04 | 4 | Horn Caroline — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-04 | 4 | Kazerani Moujan — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-04 | 4 | Kumar Tanmay — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-08-04 | 4 | Naidu Taryn Jogi — Director | Grant/award (A): 15,000 @ $0 | EDGAR |
| 2025-07-31 | 4 | Ursini Charles — President & COO, Director | Grant/award (A): 337,500 @ $0 | EDGAR |
| 2025-07-30 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 135 @ $7.51 · Grant/award (A): 40,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 206 @ $7.51 · Grant/award (A): 40,000 @ $0 | EDGAR |
| 2025-07-30 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 224 @ $7.51 · Grant/award (A): 50,000 @ $0 · Grant/award (A): 20,000 (derivative) @ $0 | EDGAR |
| 2025-07-30 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 191 @ $7.51 · Grant/award (A): 52,500 @ $0 | EDGAR |
| 2025-07-17 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 240 @ $6.33 | EDGAR |
| 2025-07-17 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 330 @ $6.33 | EDGAR |
| 2025-07-17 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 300 @ $6.33 | EDGAR |
| 2025-07-17 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 341 @ $6.33 | EDGAR |
| 2025-06-17 | 4 | Civantos John — Director | Purchase (P): 6,158 @ $4.01 | EDGAR |
| 2025-06-13 | 4 | Civantos John — Director | Purchase (P): 18,842 @ $3.89 | EDGAR |
| 2025-06-11 | 4 | Kidambi Tridivesh — Chief Financial Officer | Sale (S): 15,000 (derivative) @ $0.00 | EDGAR |
| 2025-04-30 | 4 | Sestanovich Elizabeth — Chief People Officer | Tax withholding (F): 1,342 @ $0.41 | EDGAR |
| 2025-04-30 | 4 | Coppola Brian — Chief Ad Operations Officer | Tax withholding (F): 2,052 @ $0.41 | EDGAR |
| 2025-04-30 | 4 | Kidambi Tridivesh — Chief Financial Officer | Tax withholding (F): 2,237 @ $0.41 | EDGAR |
| 2025-04-30 | 4 | Weinrot Daniel J — General Counsel & Secretary | Tax withholding (F): 1,905 @ $0.41 | EDGAR |
Recent 8-K events — System1, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-24 | 8-K | 3.03 — Material Modification to Rights of Security Holders 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 5.07 — Submission of Matters to a Vote of Security Holders 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-01 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-12 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-11 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-12 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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