🕵️ Protara Therapeutics, Inc. ($TARA)
SEC insider & ownership activity, last 12 months · CIK 1359931 · every row links its SEC filing
Over the last 12 months insiders sold $1.0M with no open-market buying against it. Shefferman Jesse sold $882K in discretionary trades (Jun). BlackRock, Inc. added 5.6% → 6.3%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 2 sellers, $1.0M (3 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Shefferman Jesse | 0 | – | 1 | $882K | Jun 29, 2026 |
| Zummo Jacqueline | 0 | – | 2 | $125K | Apr 8, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Janus Henderson Biotech Innovation Master Fund Ltd | 9.3% | 13G | Nov 14, 2025 | filing ↗ | |
| Janus Henderson Group Ltd. | 8.4% | 13G | Aug 13, 2026 | filing ↗ | |
| BlackRock, Inc. | 6.3% | 13G | Apr 27, 2026 | filing ↗ | |
| Millennium Management LLC | 5.7% | 13G | Jul 7, 2026 | filing ↗ | |
| Millennium Group Management LLC | 5.7% | 13G | Jul 7, 2026 | filing ↗ | |
| Israel A. Englander | 5.7% | 13G | Jul 7, 2026 | filing ↗ | |
| Integrated CORE Strategies (US) LLC | 5.1% | 13G | Jul 7, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Jesse Shefferman | $882K | Jun 29, 2026 | filing ↗ |
| Baker Brothers Life Sciences, L.P. | $1.6M | Apr 23, 2026 | filing ↗ |
| 667, L.P. | $133K | Apr 23, 2026 | filing ↗ |
| Zummo Jacqueline | $125K | Apr 1, 2026 | filing ↗ |
| 667, L.P. | $224K | Mar 6, 2026 | filing ↗ |
| Baker Brothers Life Sciences, L.P. | $2.7M | Mar 6, 2026 | filing ↗ |
| 667, L.P. | $220K | Mar 4, 2026 | filing ↗ |
| Baker Brothers Life Sciences, L.P. | $2.7M | Mar 4, 2026 | filing ↗ |
| 667, L.P. | $457K | Feb 25, 2026 | filing ↗ |
| Baker Brothers Life Sciences, L.P. | $5.5M | Feb 25, 2026 | filing ↗ |
| 667, L.P. | $162K | Feb 24, 2026 | filing ↗ |
| Baker Brothers Life Sciences, L.P. | $1.9M | Feb 24, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 12, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 30, 2026 | filing ↗ |
| Earnings (2.02) | Mar 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 23, 2026 | filing ↗ |
| Other events (8.01) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Other events (8.01) | Dec 15, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 15, 2025 | filing ↗ |
| Material agreement (1.01) | Dec 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 3, 2025 | filing ↗ |
| Other events (8.01) | Dec 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 3, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 19, 2025 | filing ↗ |
| Other events (8.01) | Nov 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 19, 2025 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |