🕵️ JATT II Acquisition Corp. ($JATT)
SEC insider & ownership activity, last 12 months · CIK 2112446 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Jatt Ventures II L.p. | 23.1% | 13D | Apr 20, 2026 | filing ↗ | |
| Someit Sidhu | 23.1% | 13D | Apr 20, 2026 | filing ↗ | |
| RA Capital Management, L.P. | 6.4% | 13G | Apr 27, 2026 | filing ↗ | |
| Peter Kolchinsky | 6.4% | 13G | Apr 27, 2026 | filing ↗ | |
| Rajeev Shah | 6.4% | 13G | Apr 27, 2026 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 6.4% | 13G | Apr 27, 2026 | filing ↗ | |
| Great Point Partners, LLC | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| DR. Jeffrey R. JAY, M.D. | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Ms. Lillian Nordahl | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Balyasny Asset Management L.P. | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| BAM GP LLC | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Balyasny Asset Management Holdings LP | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Dames GP LLC | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Dmitry Balyasny | 6.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Janus Henderson Group Ltd. | 6.2% | 13G | Aug 13, 2026 | filing ↗ | |
| ADAR1 Capital Management, LLC | 5.4% | 13G | Aug 14, 2026 | filing ↗ | |
| Daniel Schneeberger | 5.4% | 13G | Aug 14, 2026 | filing ↗ | |
| Atika Capital Management LLC | 5.1% | 13G | Aug 14, 2026 | filing ↗ | |
| Brad Farber | 5.1% | 13G | Aug 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jun 29, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jun 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 29, 2026 | filing ↗ |
| Other events (8.01) | Apr 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 24, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 20, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Apr 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |