Corbus Pharmaceuticals Holdings, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Chen Bihua | — | Sale | 30,029 | $11.46 | $344,132 | 2,344,971 | Dec 11, 2025 |
| Cohen Yuval | Chief Executive Officer | Option Exercise | 8,973 | $4.26 | $38,225 | 147,160 | Oct 24, 2025 |
| Moran Sean F. | Chief Financial Officer | Option Exercise | 12,981 | $4.26 | $55,299 | 86,294 | Oct 24, 2025 |
| Altmeyer Anne | — | Sale | 1,060 | $20.50 | $21,730 | 6,191 | Oct 20, 2025 |
| Kung Winston | — | Award / Grant | 4,800 | — | — | 10,366 | May 30, 2025 |
| Jenkins John Kenneth | — | Sale | 2,783 | $7.35 | $20,455 | 33 | May 30, 2025 |
| Ben Yong | — | Award / Grant | 4,800 | — | — | 7,583 | May 30, 2025 |
| Altmeyer Anne | — | Award / Grant | 4,800 | — | — | 6,191 | May 30, 2025 |
| HOLMER ALAN F | — | Award / Grant | 4,800 | — | — | 10,629 | May 30, 2025 |
| Jacques Rachelle Suzanne | — | Award / Grant | 4,800 | — | — | 7,583 | May 30, 2025 |
| Smethurst Dominic | Chief Medical Officer | Sale | 6,393 | $6.78 | $43,345 | 70,807 | Mar 6, 2025 |
| Moran Sean F. | Chief Financial Officer | Sale | 2,792 | $8.76 | $24,458 | 73,313 | Feb 14, 2025 |
| Cohen Yuval | Chief Executive Officer | Sale | 7,134 | $8.76 | $62,494 | 138,187 | Feb 14, 2025 |
| Smethurst Dominic | Chief Medical Officer | Award / Grant | 27,200 | — | — | 77,200 | Jan 31, 2025 |
| Moran Sean F. | Chief Financial Officer | Award / Grant | 27,500 | — | — | 76,105 | Jan 31, 2025 |
| Cohen Yuval | Chief Executive Officer | Award / Grant | 68,100 | — | — | 145,321 | Jan 31, 2025 |
| Cormorant Global Healthcare Master Fund, LP | — | Purchase | 47,564 | $21.47 | $1,021,199 | 2,349,231 | Sep 20, 2024 |
| Kung Winston | — | Award / Grant | 5,566 | — | — | 5,566 | Aug 16, 2024 |
| Moran Sean F. | Chief Financial Officer | Option Exercise | 7,788 | $4.26 | $33,177 | 56,393 | Jun 17, 2024 |
| Cohen Yuval | Chief Executive Officer | Sale | 7,179 | $42.24 | $303,241 | 77,221 | Jun 17, 2024 |
| HOLMER ALAN F | — | Option Exercise | 1,667 | $30.00 | $50,010 | 5,829 | Jun 14, 2024 |
| Jenkins John Kenneth | — | Award / Grant | 2,783 | — | — | 2,816 | May 30, 2024 |
| CATLIN AVERY W | — | Award / Grant | 2,783 | — | — | 4,350 | May 30, 2024 |
| Salzmann Peter | — | Award / Grant | 2,783 | — | — | 2,783 | May 30, 2024 |
| Jacques Rachelle Suzanne | — | Award / Grant | 2,783 | — | — | 2,783 | May 30, 2024 |
| Ben Yong | — | Award / Grant | 2,783 | — | — | 2,783 | May 30, 2024 |
| HOLMER ALAN F | — | Award / Grant | 2,783 | — | — | 4,162 | May 30, 2024 |
| Altmeyer Anne | — | Award / Grant | 2,783 | — | — | 2,783 | May 30, 2024 |
| Moran Sean F. | Chief Financial Officer | Option Exercise | 1,787 | $30.00 | $53,610 | 48,605 | Apr 10, 2024 |
| Chen Bihua | — | Purchase | 29,342 | $41.23 | $1,209,771 | 1,754,342 | Mar 7, 2024 |
| Smethurst Dominic | Chief Medical Officer | Award / Grant | 50,000 | — | — | 50,000 | Feb 27, 2024 |
| Moran Sean F. | Chief Financial Officer | Award / Grant | 40,176 | — | — | 46,818 | Feb 12, 2024 |
| Cohen Yuval | Chief Executive Officer | Award / Grant | 73,947 | — | — | 84,400 | Feb 12, 2024 |
| Cormorant Asset Management, LP | — | Purchase | 750,000 | $19.00 | $14,250,000 | 1,475,000 | Feb 2, 2024 |
| HOLMER ALAN F | — | Option Exercise | 629 | $4.97 | $3,126 | 1,379 | Jan 26, 2024 |
| Cohen Yuval | Chief Executive Officer | Option Exercise | 7,179 | $4.97 | $35,680 | 7,179 | Jan 26, 2024 |
| Chen Bihua | — | Purchase | 16,484 | $36.53 | $602,161 | 678,046 | Jan 26, 2024 |
| Millian Craig Stuart | Chief Operating Officer | Purchase | 5,000 | $0.25 | $1,250 | 27,000 | Aug 10, 2022 |
| Cohen Yuval | Chief Executive Officer | Purchase | 3,800 | $0.26 | $988 | 98,230 | Aug 10, 2022 |
| Moran Sean F. | Chief Financial Officer | Purchase | 20,000 | $0.26 | $5,200 | 199,272 | Aug 10, 2022 |
| Moran Sean F. | Chief Financial Officer | Purchase | 12,000 | $0.30 | $3,600 | 179,272 | May 16, 2022 |
| Cohen Yuval | Chief Executive Officer | Purchase | 10,500 | $0.25 | $2,625 | 94,430 | May 16, 2022 |
| Millian Craig Stuart | Chief Operating Officer | Purchase | 10,000 | $0.37 | $3,700 | 22,000 | Mar 10, 2022 |
| Moran Sean F. | Chief Financial Officer | Purchase | 15,000 | $0.37 | $5,550 | 167,272 | Mar 10, 2022 |
| Cohen Yuval | Chief Executive Officer | Purchase | 8,600 | $0.37 | $3,182 | 83,930 | Mar 9, 2022 |
| Moran Sean F. | Chief Financial Officer | Sale | 87,500 | $1.75 | $153,125 | 349,610 | Dec 21, 2020 |
| Moran Sean F. | Chief Financial Officer | Sale | 36,923 | $1.32 | $48,738 | 349,610 | Dec 16, 2020 |
| Cohen Yuval | Chief Executive Officer | Purchase | 4,240 | $1.21 | $5,130 | 75,330 | Nov 11, 2020 |
| Millian Craig Stuart | Chief Commercial Officer | Purchase | 2,000 | $4.25 | $8,500 | 12,000 | Mar 17, 2020 |
| Discordia Robert Paul | Chief Operating Officer | Purchase | 2,840 | $3.54 | $10,054 | 35,490 | Mar 17, 2020 |