SEC Form 4 · Updated Daily
ICCC
— IMMUCELL CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| ROTHSCHILD JONATHAN E | Director | 514,003 | 2021-06-03 | A |
| BRIGHAM MICHAEL F | Director | 229,752 | 2026-03-20 | M |
| PESSIN NORMAN H | 10%+ Owner | 170,000 | 2017-07-27 | P |
| CRABB JOSEPH H | Officer | 142,845 | 2022-03-09 | D |
| Pessin Brian L. | 10%+ Owner | 70,000 | 2017-07-27 | P |
| Tomsche David Scott | Director | 52,720 | 2025-11-25 | P |
| CASHEN ANTHONY B | Director | 45,276 | 2006-04-04 | S |
| te Boekhorst Paul Francis Olivier | Director · Officer | 17,785 | 2026-06-18 | P |
| Cunningham David | Director | 16,000 | 2022-06-13 | P |
| Brockmann Bobbi Jo | Director · Officer | 8,521 | 2020-12-08 | A |
| Wainman Paul R | Director | 6,269 | 2019-03-11 | A |
| Rhodes Linda | Director | 6,148 | 2016-03-11 | D |
| Basse Gloria F | Director | 3,530 | 2025-06-11 | M |
| Gathagan Bryan K. | Director | 1,000 | 2025-06-12 | P |
| Bruce Robert C | Director | 1,000 | 2007-11-30 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-18 | te Boekhorst Paul Francis Olivier | Open-market buy | 8,000 | $9.49 | 17,785 |
| 2026-04-15 | Wainman Paul R | Grant / award (derivative) | 11,933 | $0.00 | 11,933 |
| 2026-04-15 | Basse Gloria F | Grant / award (derivative) | 11,933 | $0.00 | 11,933 |
| 2026-04-15 | Tomsche David Scott | Grant / award (derivative) | 11,933 | $0.00 | 11,933 |
| 2026-04-15 | Turner Kathy V | Grant / award (derivative) | 17,899 | $0.00 | 17,899 |
| 2026-03-20 | BRIGHAM MICHAEL F | Option exercise (derivative) | 25,000 | $0.00 | 0 |
| 2026-03-20 | BRIGHAM MICHAEL F | Tax withholding | 24,052 | $6.07 | 205,700 |
| 2026-03-20 | BRIGHAM MICHAEL F | Option exercise | 25,000 | $5.84 | 229,752 |
| 2026-01-27 | te Boekhorst Paul Francis Olivier | Grant / award (derivative) | 110,000 | $0.00 | 110,000 |
| 2026-01-27 | Brockmann Bobbi Jo | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-01-27 | Fiori Timothy C | Grant / award (derivative) | 120,000 | $0.00 | 120,000 |
| 2026-01-27 | te Boekhorst Paul Francis Olivier | Grant / award (derivative) | 109,500 | $0.00 | 109,500 |
| 2025-12-04 | te Boekhorst Paul Francis Olivier | Open-market buy | 2,432 | $5.50 | 9,738 |
| 2025-12-03 | te Boekhorst Paul Francis Olivier | Open-market buy | 3,521 | $5.04 | 9,785 |
| 2025-12-03 | te Boekhorst Paul Francis Olivier | Open-market buy | 2,556 | $5.00 | 6,264 |
| 2025-12-03 | te Boekhorst Paul Francis Olivier | Open-market buy | 3,598 | $5.04 | 7,306 |
| 2025-12-02 | te Boekhorst Paul Francis Olivier | Open-market buy | 3,708 | $4.87 | 3,708 |
| 2025-11-25 | Tomsche David Scott | Open-market buy | 1,633 | $4.76 | 4,740 |
| 2025-11-25 | Tomsche David Scott | Open-market buy | 1,633 | $4.76 | 52,720 |
| 2025-11-07 | te Boekhorst Paul Francis Olivier | Grant / award (derivative) | 74,277 | $6.10 | 150,260 |
| 2025-06-12 | Gathagan Bryan K. | Open-market buy | 1,000 | $6.32 | 1,000 |
| 2025-06-11 | Basse Gloria F | Option exercise (derivative) | 3.53 | $0.00 | 0 |
| 2025-06-11 | Basse Gloria F | Option exercise (derivative) | 11,470 | $0.00 | 3,530 |
| 2025-06-11 | Basse Gloria F | Option exercise | 3,530 | $4.81 | 3,530 |
| 2025-04-16 | Fiori Timothy C | Grant / award (derivative) | 30,000 | $5.49 | 30,000 |
| 2025-04-16 | Basse Gloria F | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2025-04-16 | Rosgen Steven T. | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2025-04-16 | Brockmann Bobbi Jo | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
| 2025-04-16 | Tomsche David Scott | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2025-04-16 | Wainman Paul R | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2025-04-16 | Gathagan Bryan K. | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-09-20 | Rosgen Steven T. | Grant / award (derivative) | 10,000 | $3.60 | 10,000 |
| 2024-09-20 | Gathagan Bryan K. | Grant / award (derivative) | 10,000 | $3.60 | 10,000 |
| 2024-09-20 | Tomsche David Scott | Grant / award (derivative) | 10,000 | $3.60 | 10,000 |
| 2024-09-20 | Basse Gloria F | Grant / award (derivative) | 10,000 | $3.60 | 10,000 |
| 2024-09-20 | Wainman Paul R | Grant / award (derivative) | 10,000 | $3.60 | 10,000 |
| 2024-08-28 | Tomsche David Scott | Disposition to issuer | 2,186 | $3.55 | 131,797 |
| 2024-08-23 | Tomsche David Scott | Disposition to issuer | 6,005 | $3.55 | 129,611 |
| 2024-08-22 | Tomsche David Scott | Disposition to issuer | 10,000 | $3.55 | 123,606 |
| 2024-08-19 | Tomsche David Scott | Disposition to issuer | 3,172 | $3.67 | 113,606 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.