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TEMPEST THRPTC (TPST)
NASDAQ
$0.97-$0.01 (-1.07%)
Price as of Jul 14, 2026 10:13 AM EDT- $15.7MMarket Cap
- -71.49%1-Year Change
- BiotechnologyIndustry
TEMPEST THRPTC (TPST)
$0.97-$0.01 (-1.07%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 12.43% | 551,861 | +274 (+0.05%) | Dec 31, 2024 |
BLACKROCK INC. | 12.39% | 550,241 | +42,046 (+7.64%) | Jun 30, 2024 |
VERSANT VENTURE MANAGEMENT, LLC | 6.07% | 269,772 | 0 (0.00%) | Dec 31, 2025 |
N/A | 5.27% | 233,888 | +233,888 (+100.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 3.66% | 162,560 | 0 (0.00%) | Dec 31, 2025 |
NEA MANAGEMENT COMPANY, LLC | 2.65% | 117,785 | 0 (0.00%) | Dec 31, 2021 |
GEODE CAPITAL MANAGEMENT, LLC | 1.96% | 86,990 | +42,878 (+49.29%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY CONCORD STREET TRUST | 8.32% | 369,576 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 6.66% | 295,691 | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 0.89% | 39,443 | 0 (0.00%) | Apr 30, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.53% | 23,577 | 0 (0.00%) | Apr 30, 2026 |
Legg Mason Global Asset Management Trust | 0.23% | 10,173 | 0 (0.00%) | Apr 30, 2026 |
FIDELITY COMMONWEALTH TRUST | 0.20% | 8,933 | 0 (0.00%) | Feb 28, 2026 |
Dimensional ETF Trust | 0.15% | 6,561 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions45.5M (78.56%)
- Mutual Funds6.8M (11.65%)
- Insiders5.7M (9.79%)
- Other0 (0.00%)
Insider Transactions
- 9.79% (5.7M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Yee John D. | Award | Jun 04, 2026 | $0.00 | 25,000 | $0.00 | 25,000 |
Trojanowski Justin Corporate Controller | Award | Mar 31, 2026 | $0.00 | 22,000 | $0.00 | 22,000 |
Angel Matthew CEO and President | Buy | Mar 24, 2026 | $0.00 | 231,482 | $0.00 | 231,482 |
Angel Matthew CEO and President | Buy | Mar 24, 2026 | $0.00 | 231,482 | $0.00 | 231,482 |
Angel Matthew CEO and President | Buy | Mar 24, 2026 | $500,001.12 | 231,482 | $2.16 | 231,482 |
Angel Matthew CEO and President | Award | Feb 04, 2026 | $0.00 | 269,621 | $0.00 | 269,621 |
RAAB MICHAEL | Award | Jan 27, 2026 | $0.00 | 1,230 | $0.00 | 1,230 |
NICHOL GEOFFREY | Award | Jan 27, 2026 | $0.00 | 1,230 | $0.00 | 1,230 |
Simantov Ronit | Award | Jan 27, 2026 | $0.00 | 1,230 | $0.00 | 1,230 |
Pellizzari Christine A | Award | Jan 27, 2026 | $0.00 | 1,230 | $0.00 | 1,230 |
Whiting Samuel Chief Medical Officer | Award | Jan 02, 2025 | $0.00 | 270,000 | $0.00 | 270,000 |
Trojanowski Justin Corporate Controller | Award | Jan 02, 2025 | $0.00 | 30,000 | $0.00 | 30,000 |
Trojanowski Justin Corporate Controller | Award | Jan 02, 2025 | $0.00 | 30,000 | $0.00 | 30,000 |
Whiting Samuel Chief Medical Officer | Award | Jan 02, 2025 | $0.00 | 270,000 | $0.00 | 270,000 |
Maestas Nicholas Chief Financial Officer | Award | Jan 02, 2025 | $0.00 | 200,000 | $0.00 | 200,000 |
Maestas Nicholas Chief Financial Officer | Award | Jan 02, 2025 | $0.00 | 200,000 | $0.00 | 200,000 |
Brady Stephen R President and CEO | Award | Jan 02, 2025 | $0.00 | 550,000 | $0.00 | 550,000 |
Brady Stephen R President and CEO | Award | Jan 02, 2025 | $0.00 | 550,000 | $0.00 | 550,000 |
Versant Venture Capital VI, L.P. | Sell | Aug 12, 2024 | $426,992.90 | 387,999 | $1.10 | 209,941 |
Versant Venture Capital VI, L.P. | Sell | Aug 08, 2024 | $540,040.00 | 400,000 | $1.35 | 597,940 |