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TEMPEST THRPTC (TPST)
NASDAQ
$0.81-$0.00010 (-0.01%)
Price as of Oct 02, 2026 7:30 PM EDT- $13.6MMarket Cap
- -85.03%1-Year Change
- BiotechnologyIndustry
TEMPEST THRPTC (TPST)
$0.81-$0.00010 (-0.01%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 3.45% | 551,861 | +274 (+0.05%) | Dec 31, 2024 |
BLACKROCK INC. | 3.44% | 550,241 | +42,046 (+7.64%) | Jun 30, 2024 |
SABBY MANAGEMENT, LLC | 3.20% | 511,286 | +493,430 (+96.51%) | Jun 30, 2026 |
VERSANT VENTURE MANAGEMENT, LLC | 1.69% | 269,772 | 0 (0.00%) | Dec 31, 2025 |
VANGUARD CAPITAL MANAGEMENT LLC | 1.46% | 233,888 | 0 (0.00%) | Jun 30, 2026 |
N/A | 1.46% | 233,888 | +233,888 (+100.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 1.02% | 162,560 | 0 (0.00%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 1.46% | 233,888 | 0 (0.00%) | Jun 30, 2026 |
FIDELITY CONCORD STREET TRUST | 0.46% | 74,157 | 0 (0.00%) | Jul 31, 2026 |
Legg Mason Global Asset Management Trust | 0.06% | 10,173 | 0 (0.00%) | Jul 31, 2026 |
FIDELITY COMMONWEALTH TRUST | 0.06% | 8,933 | 0 (0.00%) | May 31, 2026 |
Dimensional ETF Trust | 0.04% | 6,561 | 0 (0.00%) | Jul 31, 2026 |
VANGUARD INSTITUTIONAL INDEX FUNDS | 0.04% | 6,359 | 0 (0.00%) | Jun 30, 2026 |
SCHWAB CAPITAL TRUST | 0.02% | 3,628 | 0 (0.00%) | Jul 31, 2026 |
Current Ownership Distribution
- Institutions46.6M (78.24%)
- Mutual Funds7.3M (12.22%)
- Insiders5.7M (9.54%)
- Other0 (0.00%)
Insider Transactions
- 9.54% (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 |
|---|---|---|---|---|---|---|
Smith Nancy Freda | Award | Sep 22, 2026 | $0.00 | 25,000 | $0.00 | 25,000 |
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 |