
Tempest Therapeutics, Inc.
TPSTHealthcare|Biotechnology|US
$0.38
+0.01 (+1.44%)
Cash / Share
$0.05
Ownership Breakdown
55.4%
Float
20.0M
Shares Outstanding
11.1M
Float Shares
Major Holders (12)
Combined: 88.4%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Matthew Angel | Individual | 37.40% | 5,531,516 | Mar 25, 2026 | 13D/G |
| Sabby Volatility Warrant Master Fund, Ltd. | Corporation | 9.90% | 492,223 | Jan 21, 2026 | 13D/G |
| Hal Mintz | Individual | 9.90% | 492,223 | Jan 21, 2026 | 13D/G |
| Sabby Management, LLC | Corporation | 9.90% | 492,223 | Jan 21, 2026 | 13D/G |
| Versant Vantage II, L.P. | Partnership | 4.80% | 2,118,644 | Feb 11, 2025 | 13D/G |
| Versant Vantage II GP, L.P. | Partnership | 4.80% | 2,118,644 | Feb 11, 2025 | 13D/G |
| Versant Vantage II GP-GP, LLC | Other | 4.80% | 2,118,644 | Feb 11, 2025 | 13D/G |
| Versant Venture Capital IV, L.P. | Partnership | 2.70% | 1,171,094 | Feb 11, 2025 | 13D/G |
| Versant Ventures IV, LLC | Other | 2.70% | 1,178,471 | Feb 11, 2025 | 13D/G |
| Versant Venture Capital VI, L.P. | Partnership | 0.50% | 209,914 | Feb 11, 2025 | 13D/G |
| Versant Ventures VI GP, L.P. | Partnership | 0.50% | 209,914 | Feb 11, 2025 | 13D/G |
| Versant Ventures VI GP-GP, LLC | Other | 0.50% | 209,914 | Feb 11, 2025 | 13D/G |
Insider Trades (100)
Last 4 quarters: 1,829,195 acquired · 787,999 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Horn-Warnock Stephanie | officer | Oct 26, 2026 | OTHER | 0 | — | — | Form 4 |
| Frederick John W. | director | Oct 13, 2026 | AWARD | 25,000 | $0.74 | $18.5K | Form 4 |
| Frederick John W. | director | Oct 13, 2026 | OTHER | 0 | — | — | Form 4 |
| Smith Nancy Freda | director | Sep 22, 2026 | AWARD | 25,000 | $1.00 | $25.0K | Form 4 |
| Smith Nancy Freda | director: | Sep 22, 2026 | OTHER | 0 | — | — | Form 4 |
| Angel Matthew | director, 10 percent owner, officer: CEO and President | Mar 24, 2026 | BUY | 231,482 | $2.16 | $500.0K | Form 4 |
| Angel Matthew | director, 10 percent owner, officer: CEO and President | Mar 24, 2026 | BUY | 231,482 | $2.16 | $500.0K | Form 4 |
| Yee John D. | director | Jun 4, 2026 | AWARD | 25,000 | $1.27 | $31.8K | Form 4 |
| Yee John D. | Jun 4, 2026 | OTHER | 0 | — | — | Form 4 | |
| Richey William Drake | director | Jun 4, 2026 | OTHER | 0 | — | — | Form 4 |
| Richey William Drake | director | Jun 4, 2026 | AWARD | 25,000 | $1.27 | $31.8K | Form 4 |
| Trojanowski Justin | Corporate Controller | Mar 31, 2026 | AWARD | 22,000 | $1.64 | $36.1K | Form 4 |
| Maestas Nicholas | Chief Financial Officer | Mar 31, 2026 | AWARD | 140,000 | $1.64 | $229.6K | Form 4 |
| Angel Matthew | director, 10 percent owner, officer: CEO and President | Mar 24, 2026 | BUY | 231,482 | $2.16 | $500.0K | Form 4 |
| Angel Matthew | director, 10 percent owner, officer: CEO and President | Feb 4, 2026 | AWARD | 269,621 | $2.38 | $641.7K | Form 4 |
| Angel Matthew | director, 10 percent owner, officer: CEO and President | Feb 3, 2026 | OTHER | 0 | — | — | Form 4 |
| Simantov Ronit | director | Jan 27, 2026 | AWARD | 1,230 | $2.94 | $3.6K | Form 4 |
| NICHOL GEOFFREY | director | Jan 27, 2026 | AWARD | 1,230 | $2.94 | $3.6K | Form 4 |
| RAAB MICHAEL | director | Jan 27, 2026 | AWARD | 1,230 | $2.94 | $3.6K | Form 4 |
| Pellizzari Christine A | director | Jan 27, 2026 | AWARD | 1,230 | $2.94 | $3.6K | Form 4 |
| Brady Stephen R | director, officer: President and CEO | Jan 2, 2025 | AWARD | 550,000 | $0.86 | $473.0K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jan 2, 2025 | AWARD | 270,000 | $0.86 | $232.2K | Form 4 |
| Trojanowski Justin | Corporate Controller | Jan 2, 2025 | AWARD | 30,000 | $0.86 | $25.8K | Form 4 |
| Maestas Nicholas | Chief Financial Officer | Jan 2, 2025 | AWARD | 200,000 | $0.86 | $172.0K | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner | Aug 8, 2024 | SELL | 400,000 | $1.35 | $540.0K | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner | Aug 12, 2024 | SELL | 387,999 | $1.10 | $427.0K | Form 4 |
| Brady Stephen R | director, officer: President and CEO | Jul 3, 2024 | BUY | 35,000 | $2.11 | $73.8K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jul 2, 2024 | BUY | 4,672 | $2.13 | $10.0K | Form 4 |
| Trojanowski Justin | Corporate Controller | Jun 28, 2024 | BUY | 7,500 | $2.16 | $16.2K | Form 4 |
| Pellizzari Christine A | director | Jun 13, 2024 | AWARD | 16,000 | $3.03 | $48.5K | Form 4 |
| NICHOL GEOFFREY | director | Jun 13, 2024 | AWARD | 16,000 | $3.03 | $48.5K | Form 4 |
| Simantov Ronit | director | Jun 13, 2024 | AWARD | 16,000 | $3.03 | $48.5K | Form 4 |
| RAAB MICHAEL | director | Jun 13, 2024 | AWARD | 16,000 | $3.03 | $48.5K | Form 4 |
| Brady Stephen R | director, officer: President and CEO | Jan 3, 2024 | AWARD | 250,000 | $4.66 | $1.2M | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jan 3, 2024 | AWARD | 100,000 | $4.66 | $466.0K | Form 4 |
| Trojanowski Justin | Principal Accounting Officer | Jan 3, 2024 | AWARD | 26,500 | $4.66 | $123.5K | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Jan 3, 2024 | AWARD | 40,000 | $4.66 | $186.4K | Form 4 |
| Brady Stephen R | director, officer: President and CEO | Oct 11, 2023 | AWARD | 725,000 | $9.77 | $7.1M | Form 4 |
| Trojanowski Justin | Corporate Controller | Oct 11, 2023 | AWARD | 55,000 | $9.77 | $537.4K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Oct 11, 2023 | AWARD | 325,000 | $9.77 | $3.2M | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Oct 11, 2023 | AWARD | 100,000 | $9.77 | $977.0K | Form 4 |
| RAAB MICHAEL | director | Jun 15, 2023 | AWARD | 8,200 | $1.42 | $11.6K | Form 4 |
| NICHOL GEOFFREY | director | Jun 15, 2023 | AWARD | 8,200 | $1.42 | $11.6K | Form 4 |
| Pellizzari Christine A | director | Jun 15, 2023 | AWARD | 8,200 | $1.42 | $11.6K | Form 4 |
| Simantov Ronit | director | Jun 15, 2023 | AWARD | 8,200 | $1.42 | $11.6K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jan 3, 2023 | AWARD | 69,700 | — | — | Form 4 |
| Dubensky Thomas W. | President | Jan 3, 2023 | AWARD | 102,700 | — | — | Form 4 |
| Brady Stephen R | Chief Executive Officer | Jan 3, 2023 | AWARD | 177,300 | — | — | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Jan 3, 2023 | AWARD | 38,425 | — | — | Form 4 |
| Trojanowski Justin | Corporate Controller | Jan 3, 2023 | AWARD | 20,300 | — | — | Form 4 |
| Trojanowski Justin | Corporate Controller | Oct 3, 2022 | AWARD | 2,500 | — | — | Form 4 |
| Trojanowski Justin | Corporate Controller | Sep 30, 2022 | DISPOSED | 10,000 | $2.29 | $22.9K | Form 4 |
| Lorenzo Pierre | Corporate Controller | Jun 21, 2022 | AWARD | 8,477 | — | — | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Jun 21, 2022 | AWARD | 51,270 | — | — | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jun 22, 2022 | AWARD | 55,680 | — | — | Form 4 |
| Dubensky Thomas W. | director, officer: President | Jun 21, 2022 | AWARD | 87,801 | $2.35 | $206.3K | Form 4 |
| Dubensky Thomas W. | President | Jun 21, 2022 | AWARD | 87,801 | — | — | Form 4 |
| Brady Stephen R | Chief Executive Officer | Jun 21, 2022 | AWARD | 173,533 | — | — | Form 4 |
| Pellizzari Christine A | director: | Jun 17, 2022 | AWARD | 3,500 | — | — | Form 4 |
| NICHOL GEOFFREY | director | Jun 17, 2022 | AWARD | 3,500 | $2.08 | $7.3K | Form 4 |
| NICHOL GEOFFREY | director: | Jun 17, 2022 | AWARD | 3,500 | — | — | Form 4 |
| Woiwode Thomas | director | Jun 17, 2022 | AWARD | 3,500 | $2.08 | $7.3K | Form 4 |
| Woiwode Thomas | director: | Jun 17, 2022 | AWARD | 3,500 | — | — | Form 4 |
| Simantov Ronit | director: | Jun 17, 2022 | AWARD | 3,500 | — | — | Form 4 |
| RAAB MICHAEL | director: | Jun 17, 2022 | AWARD | 3,500 | — | — | Form 4 |
| Woiwode Thomas | director: | Apr 29, 2022 | BUY | 2,118,644 | $2.36 | $5.0M | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner: | Apr 29, 2022 | OTHER | 0 | — | — | Form 4 |
| Versant Vantage II, L.P. | 10 percent owner | Apr 29, 2022 | DISPOSED | 0 | — | — | Form 4 |
| Dubensky Thomas W. | director, officer: President | Jan 7, 2022 | BUY | 2,000 | $4.78 | $9.6K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jan 6, 2022 | BUY | 1,700 | $4.80 | $8.2K | Form 4 |
| Rock Springs Capital Management LP | 10 percent owner | Dec 30, 2021 | OTHER | 0 | — | — | Form 4 |
| Rock Springs Capital Management LP | 10 percent owner | Dec 30, 2021 | OTHER | 0 | — | — | Form 4 |
| Lorenzo Pierre | Corporate Controller | Jan 4, 2022 | AWARD | 6,500 | $5.45 | $35.4K | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Jan 4, 2022 | AWARD | 19,500 | $5.45 | $106.3K | Form 4 |
| Whiting Samuel | Chief Medical Officer | Jan 4, 2022 | AWARD | 29,000 | $5.45 | $158.1K | Form 4 |
| Brady Stephen R | director, officer: Chief Executive Officer | Jan 4, 2022 | AWARD | 94,500 | $5.45 | $515.0K | Form 4 |
| Dubensky Thomas W. | director, officer: President | Jan 4, 2022 | AWARD | 53,100 | $5.45 | $289.4K | Form 4 |
| RAAB MICHAEL | director | Sep 21, 2021 | AWARD | 6,635 | $15.15 | $100.5K | Form 4 |
| Pellizzari Christine A | director | Jul 1, 2021 | AWARD | 6,635 | $11.07 | $73.4K | Form 4 |
| Woiwode Thomas | director | Jul 1, 2021 | AWARD | 6,635 | $11.07 | $73.4K | Form 4 |
| Simantov Ronit | director | Aug 6, 2021 | AWARD | 6,635 | $13.60 | $90.2K | Form 4 |
| Simantov Ronit | director: | Aug 6, 2021 | OTHER | 0 | — | — | Form 4 |
| Maestas Nicholas | VP of Strategy and Finance | Jul 12, 2021 | AWARD | 23,225 | $24.19 | $561.8K | Form 4 |
| Maestas Nicholas | officer | Jul 12, 2021 | OTHER | 0 | — | — | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner | Jun 25, 2021 | OTHER | 0 | — | — | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner | Jun 25, 2021 | DISPOSED | 0 | — | — | Form 4 |
| Versant Venture Capital VI, L.P. | 10 percent owner | Jun 25, 2021 | OTHER | 0 | — | — | Form 4 |
| Xu Stella | Jul 1, 2021 | AWARD | 6,635 | $11.07 | $73.4K | Form 4 | |
| NICHOL GEOFFREY | Jul 1, 2021 | AWARD | 6,635 | $11.07 | $73.4K | Form 4 | |
| Pellizzari Christine A | Jul 1, 2021 | OTHER | 0 | — | — | Form 4 | |
| Whiting Samuel | Jun 25, 2021 | AWARD | 540,231 | $26.40 | $14.3M | Form 4 | |
| Whiting Samuel | Jun 25, 2021 | AWARD | 61,945 | $5.90 | $365.5K | Form 4 | |
| Whiting Samuel | Jun 25, 2021 | AWARD | 3,018 | $10.25 | $30.9K | Form 4 | |
| Whiting Samuel | Jun 25, 2021 | AWARD | 201 | $1.06 | $213.06 | Form 4 | |
| Whiting Samuel | Jun 25, 2021 | OTHER | 0 | — | — | Form 4 | |
| Xu Stella | Jun 25, 2021 | AWARD | 579,710 | $1.06 | $614.5K | Form 4 | |
| Dubensky Thomas W. | Jun 25, 2021 | AWARD | 1,000,000 | $26.40 | $26.4M | Form 4 | |
| Dubensky Thomas W. | Jun 25, 2021 | AWARD | 111,343 | $1.06 | $118.0K | Form 4 | |
| Dubensky Thomas W. | Jun 25, 2021 | AWARD | 45,988 | $5.90 | $271.3K | Form 4 | |
| Dubensky Thomas W. | Jun 25, 2021 | AWARD | 36,263 | $4.97 | $180.2K | Form 4 |