| 08/19/2026 3:05 PM | Research Alliance Corporation IV (2137777) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 07/21/2026 4:05 PM | Research Alliance Corporation IV (2137777) Subject Research Alliance Holdings IV LLC (2137786) Filed by | Form SCHEDULE 13D | |
| 07/21/2026 3:15 PM | Research Alliance Corporation IV (2137777) Subject Trails Edge Capital Partners, LP (2077247) Filed by | Form SCHEDULE 13G | |
| 07/20/2026 5:22 PM | BIOTECHNOLOGY VALUE FUND L P (918923) Filed by Research Alliance Corporation IV (2137777) Subject | Form SCHEDULE 13G | |
| 07/20/2026 4:30 PM | Research Alliance Corporation IV (2137777) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 07/20/2026 3:22 PM | Commodore Capital LP (1831942) Filed by Research Alliance Corporation IV (2137777) Subject | Form SCHEDULE 13G | |
| 07/20/2026 3:00 PM | PERCEPTIVE ADVISORS LLC (1224962) Filed by Research Alliance Corporation IV (2137777) Subject | Form SCHEDULE 13G | |
| 07/16/2026 3:28 PM | Hammond Matthew (1817056) Reporting Research Alliance Corporation IV (2137777) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 07/16/2026 3:29 PM | Research Alliance Corporation IV (2137777) Issuer Research Alliance Holdings IV LLC (2137786) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 07/14/2026 3:58 PM | Research Alliance Corporation IV (2137777) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 07/12/2026 11:15 PM | Research Alliance Corporation IV (2137777) Filer | Form EFFECT | |
| 07/13/2026 5:02 AM | Research Alliance Corporation IV (2137777) Filer | Form 424B4 | |
| 07/10/2026 2:29 PM | Research Alliance Corporation IV (2137777) Filer | Form CERT | |
| 07/10/2026 8:30 AM | Musso Alan A (1295830) Reporting Research Alliance Corporation IV (2137777) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:31 AM | Adams Francis Sherman (2133304) Reporting Research Alliance Corporation IV (2137777) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:32 AM | Hammond Matthew (1817056) Reporting Research Alliance Corporation IV (2137777) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:33 AM | Maslowski John Michael (1608774) Reporting Research Alliance Corporation IV (2137777) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:34 AM | Research Alliance Corporation IV (2137777) Issuer Stusnick Henry William (2124312) Reporting | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:35 AM | Research Alliance Corporation IV (2137777) Issuer Research Alliance Holdings IV LLC (2137786) Reporting | Form 3 Initial statement of beneficial ownership of securities | |
| 07/10/2026 8:00 AM | Research Alliance Corporation IV (2137777) Filer | Form 8-A12B | |
| 07/08/2026 3:52 PM | Research Alliance Corporation IV (2137777) Filer | Form S-1/A | |
| 06/08/2026 4:11 PM | Research Alliance Corporation IV (2137777) Filer | Form S-1 Registration statement under Securities Act of 1933 | |