SST
System1, Inc.$3.96-0.04 (-0.87%)Prev Close$4.02·MCap$29.0M·P/E—·Vol437.4K·Yield—
▲
Buys (12M)
3
$178.7K
▼
Sells (12M)
26
$40.6K
◆
Net Activity
Net Buyer
$138.1K
●
Active Insiders
6
last 12 mo
Over the past 12 months, insider activity at System1, Inc. (SST) has been dominated by buying, with 3 insider purchases totaling $178.7K and 26 insider sales totaling $40.6K. The most recent insider transaction was by Kidambi Tridivesh (officer: Chief Financial Officer), who purchased $80.7K worth of shares on Apr 17, 2026. System1, Inc. operates in the Industrials sector, within the Specialty Business Services industry, with a market cap of $29.0M.
SST Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Apr 17, 2026 | Kidambi Tridivesh | officer: Chief Financial Officer | Buy | 26,910 | $3.00 | $80.7K | 146,816 |
| Jan 28, 2026 | Coppola Brian | Chief Ad Operations Officer | Sell | 231 | $4.18 | $965.58 | 0 |
| Jan 28, 2026 | Kidambi Tridivesh | Chief Financial Officer | Sell | 258 | $4.18 | $1.1K | 0 |
| Jan 28, 2026 | Sestanovich Elizabeth | Chief People Officer | Sell | 211 | $4.18 | $881.98 | 0 |
| Jan 15, 2026 | Coppola Brian | Chief Ad Operations Officer | Sell | 371 | $4.40 | $1.6K | 0 |
| Jan 15, 2026 | Kidambi Tridivesh | Chief Financial Officer | Sell | 345 | $4.40 | $1.5K | 0 |
| Jan 15, 2026 | Sestanovich Elizabeth | Chief People Officer | Sell | 377 | $4.40 | $1.7K | 0 |
| Oct 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 235 | $6.18 | $1.5K | 0 |
| Oct 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 263 | $6.18 | $1.6K | 0 |
| Oct 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 158 | $6.18 | $976.44 | 0 |
| Oct 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 214 | $6.18 | $1.3K | 0 |
| Oct 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 377 | $7.94 | $3.0K | 0 |
| Oct 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 352 | $7.94 | $2.8K | 0 |
| Oct 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 282 | $7.94 | $2.2K | 0 |
| Oct 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 382 | $7.94 | $3.0K | 0 |
| Jul 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 206 | $7.51 | $1.5K | 0 |
| Jul 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 224 | $7.51 | $1.7K | 0 |
| Jul 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 135 | $7.51 | $1.0K | 0 |
| Jul 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 191 | $7.51 | $1.4K | 0 |
| Jul 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 330 | $6.33 | $2.1K | 0 |
| Jul 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 300 | $6.33 | $1.9K | 0 |
| Jul 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 240 | $6.33 | $1.5K | 0 |
| Jul 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 341 | $6.33 | $2.2K | 0 |
| Jun 13, 2025 | Civantos John | Director | Buy | 6,158 | $4.01 | $24.7K | 0 |
| Jun 12, 2025 | Civantos John | Director | Buy | 18,842 | $3.89 | $73.3K | 0 |
| Apr 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 2,052 | $0.41 | $841.32 | 0 |
| Apr 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 2,237 | $0.41 | $917.17 | 0 |
| Apr 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 1,342 | $0.41 | $550.22 | 0 |
| Apr 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 1,905 | $0.41 | $781.05 | 0 |
| Apr 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 3,300 | $0.31 | $1.0K | 0 |
| Apr 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 2,997 | $0.31 | $929.07 | 0 |
| Apr 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 2,398 | $0.31 | $743.38 | 0 |
| Apr 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 3,403 | $0.31 | $1.1K | 0 |
| Sep 19, 2024 | CEE Holdings Trust | 10% Owner | Buy | 8,412 | $1.24 | $10.4K | 8,768,056 |
| Sep 12, 2024 | CEE Holdings Trust | 10% Owner | Buy | 11,813 | $1.21 | $14.3K | 8,759,644 |
| Sep 9, 2024 | CEE Holdings Trust | 10% Owner | Buy | 18,055 | $1.22 | $22.0K | 8,747,831 |
| Sep 4, 2024 | CEE Holdings Trust | 10% Owner | Buy | 25,353 | $1.24 | $31.4K | 8,729,776 |
| Aug 23, 2024 | CEE Holdings Trust | 10% Owner | Buy | 46,373 | $1.22 | $56.4K | 8,704,423 |
| Aug 20, 2024 | CEE Holdings Trust | 10% Owner | Buy | 13,463 | $1.23 | $16.6K | 8,658,050 |
| Aug 15, 2024 | CEE Holdings Trust | 10% Owner | Buy | 19,491 | $1.08 | $21.0K | 8,644,587 |
| Jul 11, 2024 | CEE Holdings Trust | 10% Owner | Buy | 119,551 | $1.44 | $172.0K1.2% OS | 8,625,096 |
| Jul 8, 2024 | CEE Holdings Trust | 10% Owner | Buy | 2,603 | $1.45 | $3.8K | 8,505,545 |
| Jul 2, 2024 | CEE Holdings Trust | 10% Owner | Buy | 164,532 | $1.44 | $236.4K1.6% OS | 8,502,942 |
| Jun 27, 2024 | CEE Holdings Trust | 10% Owner | Buy | 111,766 | $1.42 | $159.2K1.1% OS | 8,338,410 |
| Jun 24, 2024 | CEE Holdings Trust | 10% Owner | Buy | 8,013 | $1.44 | $11.6K | 8,226,644 |
| Jun 21, 2024 | Blend L Michael | CEO & Chairman | Sell | 725,000 | $1.50 | $1.09M7.3% OS | 0Exit |
| Jun 21, 2024 | Lone Star Friends Trust | 10% Owner | Sell | 4,775,000 | $1.50 | $7.16M47.8% OS | 956,423-83% |
| Mar 19, 2024 | Blend Stanley | 10% Owner | Buy | 11,613 | $1.42 | $16.5K | 6,625,215 |
| Dec 18, 2023 | Blend Stanley | 10% Owner | Buy | 880,000 | $1.42 | $1.25M8.8% OS | 6,612,956 |
| Sep 7, 2023 | Cannae Holdings, Inc. | 10% Owner | Sell | 110,000 | $1.85 | $203.5K1.1% OS | 27,012,794 |
Showing 1–50 of 68
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SST Insider Buying Activity
The following table shows recent insider purchases of System1, Inc. (SST) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Apr 17, 2026 | Kidambi Tridivesh | officer: Chief Financial Officer | Buy | 26,910 | $3.00 | $80.7K | 146,816 |
| Jun 13, 2025 | Civantos John | Director | Buy | 6,158 | $4.01 | $24.7K | 0 |
| Jun 12, 2025 | Civantos John | Director | Buy | 18,842 | $3.89 | $73.3K | 0 |
| Sep 19, 2024 | CEE Holdings Trust | 10% Owner | Buy | 8,412 | $1.24 | $10.4K | 8,768,056 |
| Sep 12, 2024 | CEE Holdings Trust | 10% Owner | Buy | 11,813 | $1.21 | $14.3K | 8,759,644 |
| Sep 9, 2024 | CEE Holdings Trust | 10% Owner | Buy | 18,055 | $1.22 | $22.0K | 8,747,831 |
| Sep 4, 2024 | CEE Holdings Trust | 10% Owner | Buy | 25,353 | $1.24 | $31.4K | 8,729,776 |
| Aug 23, 2024 | CEE Holdings Trust | 10% Owner | Buy | 46,373 | $1.22 | $56.4K | 8,704,423 |
| Aug 20, 2024 | CEE Holdings Trust | 10% Owner | Buy | 13,463 | $1.23 | $16.6K | 8,658,050 |
| Aug 15, 2024 | CEE Holdings Trust | 10% Owner | Buy | 19,491 | $1.08 | $21.0K | 8,644,587 |
| Jul 11, 2024 | CEE Holdings Trust | 10% Owner | Buy | 119,551 | $1.44 | $172.0K1.2% OS | 8,625,096 |
| Jul 8, 2024 | CEE Holdings Trust | 10% Owner | Buy | 2,603 | $1.45 | $3.8K | 8,505,545 |
| Jul 2, 2024 | CEE Holdings Trust | 10% Owner | Buy | 164,532 | $1.44 | $236.4K1.6% OS | 8,502,942 |
| Jun 27, 2024 | CEE Holdings Trust | 10% Owner | Buy | 111,766 | $1.42 | $159.2K1.1% OS | 8,338,410 |
| Jun 24, 2024 | CEE Holdings Trust | 10% Owner | Buy | 8,013 | $1.44 | $11.6K | 8,226,644 |
| Mar 19, 2024 | Blend Stanley | 10% Owner | Buy | 11,613 | $1.42 | $16.5K | 6,625,215 |
| Dec 18, 2023 | Blend Stanley | 10% Owner | Buy | 880,000 | $1.42 | $1.25M8.8% OS | 6,612,956 |
SST Insider Selling Activity
The following table shows recent insider sales of System1, Inc. (SST) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 28, 2026 | Coppola Brian | Chief Ad Operations Officer | Sell | 231 | $4.18 | $965.58 | 0 |
| Jan 28, 2026 | Kidambi Tridivesh | Chief Financial Officer | Sell | 258 | $4.18 | $1.1K | 0 |
| Jan 28, 2026 | Sestanovich Elizabeth | Chief People Officer | Sell | 211 | $4.18 | $881.98 | 0 |
| Jan 15, 2026 | Coppola Brian | Chief Ad Operations Officer | Sell | 371 | $4.40 | $1.6K | 0 |
| Jan 15, 2026 | Kidambi Tridivesh | Chief Financial Officer | Sell | 345 | $4.40 | $1.5K | 0 |
| Jan 15, 2026 | Sestanovich Elizabeth | Chief People Officer | Sell | 377 | $4.40 | $1.7K | 0 |
| Oct 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 235 | $6.18 | $1.5K | 0 |
| Oct 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 263 | $6.18 | $1.6K | 0 |
| Oct 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 158 | $6.18 | $976.44 | 0 |
| Oct 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 214 | $6.18 | $1.3K | 0 |
| Oct 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 377 | $7.94 | $3.0K | 0 |
| Oct 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 352 | $7.94 | $2.8K | 0 |
| Oct 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 282 | $7.94 | $2.2K | 0 |
| Oct 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 382 | $7.94 | $3.0K | 0 |
| Jul 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 206 | $7.51 | $1.5K | 0 |
| Jul 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 224 | $7.51 | $1.7K | 0 |
| Jul 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 135 | $7.51 | $1.0K | 0 |
| Jul 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 191 | $7.51 | $1.4K | 0 |
| Jul 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 330 | $6.33 | $2.1K | 0 |
| Jul 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 300 | $6.33 | $1.9K | 0 |
| Jul 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 240 | $6.33 | $1.5K | 0 |
| Jul 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 341 | $6.33 | $2.2K | 0 |
| Apr 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 2,052 | $0.41 | $841.32 | 0 |
| Apr 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 2,237 | $0.41 | $917.17 | 0 |
| Apr 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 1,342 | $0.41 | $550.22 | 0 |
| Apr 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 1,905 | $0.41 | $781.05 | 0 |
| Apr 15, 2025 | Coppola Brian | Chief Ad Operations Officer | Sell | 3,300 | $0.31 | $1.0K | 0 |
| Apr 15, 2025 | Kidambi Tridivesh | Chief Financial Officer | Sell | 2,997 | $0.31 | $929.07 | 0 |
| Apr 15, 2025 | Sestanovich Elizabeth | Chief People Officer | Sell | 2,398 | $0.31 | $743.38 | 0 |
| Apr 15, 2025 | Weinrot Daniel J | General Counsel & Secretary | Sell | 3,403 | $0.31 | $1.1K | 0 |
| Jun 21, 2024 | Blend L Michael | CEO & Chairman | Sell | 725,000 | $1.50 | $1.09M7.3% OS | 0Exit |
| Jun 21, 2024 | Lone Star Friends Trust | 10% Owner | Sell | 4,775,000 | $1.50 | $7.16M47.8% OS | 956,423-83% |
| Sep 7, 2023 | Cannae Holdings, Inc. | 10% Owner | Sell | 110,000 | $1.85 | $203.5K1.1% OS | 27,012,794 |
SST Insiders
Kidambi Tridivesh
officer: Chief Financial Officer
Bought $150.7KSold $12.4K
10 tradesLast: Apr 17, 2026
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