IMMUCELL CORP /DE/ — 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 |
|---|---|---|---|---|---|---|---|
| te Boekhorst Paul Francis Olivier | President and CEO | Purchase | 2,432 | $5.50 | $13,376 | 9,738 | Dec 3, 2025 |
| te Boekhorst Paul Francis Olivier | President and CEO | Purchase | 3,521 | $5.04 | $17,746 | 9,785 | Dec 2, 2025 |
| Tomsche David Scott | — | Purchase | 1,633 | $4.77 | $7,789 | 4,740 | Nov 25, 2025 |
| Gathagan Bryan K. | — | Purchase | 1,000 | $6.32 | $6,320 | 1,000 | Jun 12, 2025 |
| Basse Gloria F | — | Option Exercise | 3,530 | $4.81 | $16,979 | 3,530 | Jun 11, 2025 |
| Tomsche David Scott | — | Disposition | 2,186 | $3.55 | $7,760 | 131,797 | Aug 28, 2024 |
| Tomsche David Scott | — | Disposition | 6,005 | $3.55 | $21,318 | 129,611 | Aug 23, 2024 |
| Tomsche David Scott | — | Disposition | 10,000 | $3.55 | $35,500 | 123,606 | Aug 22, 2024 |
| Tomsche David Scott | — | Disposition | 4,811 | $3.72 | $17,897 | 110,434 | Aug 19, 2024 |
| Tomsche David Scott | — | Disposition | 3,100 | $4.75 | $14,725 | 103,606 | Sep 6, 2023 |
| Tomsche David Scott | — | Disposition | 200 | $5.25 | $1,050 | 97,326 | Mar 13, 2023 |
| Tomsche David Scott | — | Disposition | 1 | $7.62 | $8 | 94,925 | Sep 8, 2022 |
| Tomsche David Scott | — | Disposition | 53 | $8.18 | $434 | 90,384 | Jun 13, 2022 |
| Cunningham David | — | Purchase | 1,000 | $8.00 | $8,000 | 16,000 | Jun 13, 2022 |
| Tomsche David Scott | — | Disposition | 200 | $8.35 | $1,670 | 85,719 | May 17, 2022 |
| Tomsche David Scott | — | Disposition | 200 | $8.35 | $1,670 | 100,719 | May 17, 2022 |
| CRABB JOSEPH H | Former VP and CSO | Disposition | 1,000 | $5.84 | $5,840 | 142,845 | Mar 9, 2022 |
| ROTHSCHILD JONATHAN E | — | Award / Grant | 3,845 | $7.08 | $27,223 | 514,003 | Jun 3, 2021 |
| Brockmann Bobbi Jo | — | Award / Grant | 4,742 | $3.15 | $14,937 | 8,521 | Dec 8, 2020 |
| Cunningham David | — | Purchase | 2,000 | $4.00 | $8,000 | 15,000 | Mar 12, 2020 |
| Tomsche David Scott | — | Purchase | 4,600 | $4.28 | $19,688 | 85,519 | Mar 11, 2020 |
| Tomsche David Scott | — | Purchase | 5,130 | $4.98 | $25,547 | 80,919 | Feb 27, 2020 |
| Brockmann Bobbi Jo | — | Award / Grant | 1,200 | $3.99 | $4,788 | 2,255 | Dec 9, 2019 |
| Wainman Paul R | — | Award / Grant | 4,269 | $4.80 | $20,491 | 6,269 | Mar 11, 2019 |
| BRIGHAM MICHAEL F | President & CEO | Option Exercise | 47,500 | $1.70 | $80,750 | 204,752 | Dec 28, 2018 |
| CRABB JOSEPH H | Vice President and CSO | Disposition | 10,766 | $7.50 | $80,745 | 94,345 | Nov 26, 2018 |
| Tomsche David Scott | — | Purchase | 3,000 | $6.67 | $20,010 | 75,789 | Aug 16, 2018 |
| Cunningham David | — | Disposition | 930 | $6.69 | $6,222 | 13,000 | Aug 15, 2018 |
| PESSIN NORMAN H | — | Purchase | 170,000 | $5.25 | $892,500 | 170,000 | Jul 27, 2017 |
| Pessin Brian L. | — | Purchase | 30,000 | $5.25 | $157,500 | 70,000 | Jul 27, 2017 |
| BRIGHAM MICHAEL F | President & CEO | Option Exercise | 1,000 | $5.25 | $5,250 | 157,252 | Mar 17, 2017 |
| Tomsche David Scott | — | Purchase | 150 | $5.46 | $819 | 71,742 | Mar 13, 2017 |
| Tomsche David Scott | — | Purchase | 4,000 | $5.19 | $20,760 | 70,789 | Nov 7, 2016 |
| Cunningham David | — | Disposition | 7,334 | $7.83 | $57,425 | 2,070 | Sep 19, 2016 |
| Cunningham David | — | Purchase | 3,000 | $7.14 | $21,420 | 9,404 | Aug 22, 2016 |
| Cunningham David | — | Option Exercise | 5,000 | $5.75 | $28,750 | 12,404 | Aug 19, 2016 |
| CRABB JOSEPH H | VP & Chief Scientific Officer | Sale | 200 | $6.60 | $1,320 | 105,111 | Jul 8, 2016 |
| CRABB JOSEPH H | VP & Chief Scientific Officer | Sale | 200 | $6.53 | $1,306 | 107,105 | Jul 6, 2016 |
| CRABB JOSEPH H | Vice President and CSO | Sale | 500 | $6.93 | $3,465 | 112,937 | Jul 1, 2016 |
| Tomsche David Scott | — | Purchase | 955 | $6.67 | $6,370 | 66,789 | Mar 21, 2016 |
| Rhodes Linda | — | Disposition | 1,009 | $6.32 | $6,377 | 6,148 | Mar 11, 2016 |
| ROTHSCHILD JONATHAN E | — | Purchase | 4,761 | $5.25 | $24,995 | 505,397 | Jan 29, 2016 |
| Tomsche David Scott | — | Purchase | 6,666 | $5.25 | $34,997 | 65,834 | Jan 29, 2016 |
| Rhodes Linda | — | Purchase | 2,857 | $5.25 | $14,999 | 7,157 | Jan 29, 2016 |
| Cunningham David | — | Purchase | 1,904 | $5.25 | $9,996 | 7,404 | Jan 29, 2016 |
| ROTHSCHILD JONATHAN E | — | Purchase | 24,000 | — | — | 500,636 | Nov 11, 2015 |
| Wainman Paul R | — | Purchase | 175 | $6.80 | $1,190 | 2,000 | Sep 14, 2015 |
| ROTHSCHILD JONATHAN E | — | Purchase | 200 | $6.60 | $1,320 | 522,736 | Sep 2, 2015 |
| Tomsche David Scott | — | Purchase | 1,000 | $6.73 | $6,730 | 59,168 | Sep 1, 2015 |
| Tomsche David Scott | — | Purchase | 1,500 | $7.27 | $10,905 | 58,168 | Aug 28, 2015 |