🕵️ Bicara Therapeutics Inc. ($BCAX)
SEC insider & ownership activity, last 12 months · CIK 2023658 · every row links its SEC filing
Over the last 12 months insiders sold $12.2M against $40.0M of open-market buying. RA Capital Management, L.P. bought $40.0M in discretionary trades (Feb). 4 planned sales are pending, the largest $1.4M (David Raben). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $40.0M (2 lots) · 5 sellers, $12.2M (68 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | 2 | $40.0M | 0 | – | Feb 26, 2026 |
| Mazumdar Claire | 0 | – | 16 | $3.8M | Jul 10, 2026 |
| Cohlhepp Ryan | 0 | – | 26 | $3.7M | Jul 9, 2026 |
| Hyep Ivan | 0 | – | 16 | $2.9M | Jul 8, 2026 |
| David Raben | 0 | – | 8 | $1.1M | Apr 27, 2026 |
| Meisner Lara | 0 | – | 2 | $681K | Sep 29, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | 11.5% | 13D | Feb 26, 2026 | filing ↗ | |
| Peter Kolchinsky | 11.5% | 13D | Feb 26, 2026 | filing ↗ | |
| Rajeev Shah | 11.5% | 13D | Feb 26, 2026 | filing ↗ | |
| T. ROWE Price Investment Management, Inc. | 10.1% | 13G | Apr 8, 2026 | filing ↗ | |
| Raymond Debbane | 9.6% | 13G | Jul 31, 2025 | filing ↗ | |
| Invus Public Equities, L.P. | 8.9% | 13G | Jul 31, 2025 | filing ↗ | |
| Invus Public Equities Advisors, LLC | 8.9% | 13G | Jul 31, 2025 | filing ↗ | |
| Invus Global Management, LLC | 8.9% | 13G | Jul 31, 2025 | filing ↗ | |
| Siren, L.L.C. | 8.9% | 13G | Jul 31, 2025 | filing ↗ | |
| Vestal Point Capital, LP | 8.3% | 13G | May 15, 2026 | filing ↗ | |
| Ryan Wilder | 8.3% | 13G | May 15, 2026 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 7.3% | 13D | Feb 26, 2026 | filing ↗ | |
| DEEP Track Capital, LP | 6.2% | 13G | May 15, 2026 | filing ↗ | |
| DEEP Track Biotechnology Master Fund, Ltd. | 6.2% | 13G | May 15, 2026 | filing ↗ | |
| David Kroin | 6.2% | 13G | May 15, 2026 | filing ↗ | |
| Blackrock, Inc. | 5.4% | 13G | Jul 27, 2026 | filing ↗ | |
| Janus Henderson Group PLC | 5.1% | 13G | May 15, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Mazumdar Claire | $297K | Jul 10, 2026 | filing ↗ |
| Cohlhepp Ryan | $870K | Jul 8, 2026 | filing ↗ |
| Hyep Ivan | $847K | Jul 8, 2026 | filing ↗ |
| David Raben | $1.4M | Jul 8, 2026 | filing ↗ |
| Lara Meisner | $30K | Jul 7, 2026 | filing ↗ |
| David Raben | $1.3M | Jun 25, 2026 | filing ↗ |
| Meisner Lara | $1.5M | Jun 1, 2026 | filing ↗ |
| Raben David | $120K | May 26, 2026 | filing ↗ |
| Hyep Ivan | $188K | May 21, 2026 | filing ↗ |
| Mazumdar Claire | $314K | May 18, 2026 | filing ↗ |
| Cohlhepp Ryan | $254K | May 15, 2026 | filing ↗ |
| Raben David | $126K | Apr 27, 2026 | filing ↗ |
| Hyep Ivan | $213K | Apr 21, 2026 | filing ↗ |
| Mazumdar Claire | $356K | Apr 20, 2026 | filing ↗ |
| Cohlhepp Ryan | $287K | Apr 15, 2026 | filing ↗ |
| Raben David | $104K | Mar 25, 2026 | filing ↗ |
| Hyep Ivan | $171K | Mar 23, 2026 | filing ↗ |
| Mazumdar Claire | $30K | Mar 20, 2026 | filing ↗ |
| Mazumdar Claire | $130K | Mar 19, 2026 | filing ↗ |
| Mazumdar Claire | $125K | Mar 18, 2026 | filing ↗ |
| Cohlhepp Ryan | $242K | Mar 16, 2026 | filing ↗ |
| Mazumdar Claire | $705K | Mar 9, 2026 | filing ↗ |
| Mazumdar Claire | $76K | Mar 6, 2026 | filing ↗ |
| Mazumdar Claire | $33K | Mar 5, 2026 | filing ↗ |
| Hyep Ivan | $54K | Mar 4, 2026 | filing ↗ |
| Mazumdar Claire | $49K | Mar 4, 2026 | filing ↗ |
| Raben David | $302K | Mar 4, 2026 | filing ↗ |
| Hyep Ivan | $247K | Mar 3, 2026 | filing ↗ |
| Raben David | $4K | Mar 3, 2026 | filing ↗ |
| Cohlhepp Ryan | $316K | Mar 3, 2026 | filing ↗ |
| Cohlhepp Ryan | $66K | Feb 25, 2026 | filing ↗ |
| Cohlhepp Ryan | $65K | Jan 22, 2026 | filing ↗ |
| Hyep Ivan | $34K | Jan 22, 2026 | filing ↗ |
| Cohlhepp Ryan | $3K | Jan 15, 2026 | filing ↗ |
| Hyep Ivan | $164K | Dec 22, 2025 | filing ↗ |
| Cohlhepp Ryan | $234K | Dec 15, 2025 | filing ↗ |
| Raben David | $104K | Nov 25, 2025 | filing ↗ |
| Mazumdar Claire | $776K | Nov 24, 2025 | filing ↗ |
| Hyep Ivan | $330K | Nov 24, 2025 | filing ↗ |
| Raben David | $101K | Nov 24, 2025 | filing ↗ |
| Hyep Ivan | $11K | Nov 21, 2025 | filing ↗ |
| Cohlhepp Ryan | $226K | Nov 21, 2025 | filing ↗ |
| Mazumdar Claire | $454K | Oct 16, 2025 | filing ↗ |
| Cohlhepp Ryan | $227K | Oct 15, 2025 | filing ↗ |
| Mazumdar Claire | $250K | Oct 15, 2025 | filing ↗ |
| Mazumdar Claire | $217K | Oct 13, 2025 | filing ↗ |
| Hyep Ivan | $115K | Oct 9, 2025 | filing ↗ |
| Raben David | $406K | Oct 9, 2025 | filing ↗ |
| Hyep Ivan | $102K | Oct 8, 2025 | filing ↗ |
| Hyep Ivan | $328K | Oct 7, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 23, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 9, 2026 | filing ↗ |
| Other events (8.01) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Earnings (2.02) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 24, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Other events (8.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Other events (8.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 6, 2025 | filing ↗ |
| Other events (8.01) | Dec 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 6, 2025 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Earnings (2.02) | Aug 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 12, 2025 | filing ↗ |