ImmuCell Corporation
ICCCHealthcare|Biotechnology|US
$9.80
-0.15 (-1.51%)
Tangible Book / Share
$3.45
Graham Number
$2.60
Cash / Share
$0.98
Ownership Breakdown
66.4%
Float
9.1M
Shares Outstanding
6.0M
Float Shares
Major Holders (1)
Combined: 9.2%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Ejnar A. Knudsen III | Individual | 9.21% | 832,790 | Nov 20, 2025 | 13D/G |
Insider Trades (100)
Last 4 quarters: 709,086 acquired · 60,525.53 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Jun 18, 2026 | BUY | 8,000 | $9.49 | $76.0K | Form 4 |
| DiMarco Anthony | director | Apr 15, 2026 | OTHER | 17,899 | $7.60 | $136.0K | Form 4 |
| Guillemette Gilles | director | Apr 15, 2026 | OTHER | 17,899 | $7.60 | $136.0K | Form 4 |
| Turner Kathy V | director | Apr 15, 2026 | AWARD | 17,899 | $7.60 | $136.0K | Form 4 |
| Tomsche David Scott | director | Apr 15, 2026 | AWARD | 11,933 | $7.60 | $90.7K | Form 4 |
| Basse Gloria F | director | Apr 15, 2026 | AWARD | 11,933 | $7.60 | $90.7K | Form 4 |
| Wainman Paul R | director | Apr 15, 2026 | AWARD | 11,933 | $7.60 | $90.7K | Form 4 |
| Gathagan Bryan K. | director | Apr 16, 2025 | AWARD | 10,000 | $5.49 | $54.9K | Form 4 |
| Wainman Paul R | director | Apr 16, 2025 | AWARD | 10,000 | $5.49 | $54.9K | Form 4 |
| Tomsche David Scott | director | Apr 16, 2025 | AWARD | 10,000 | $5.49 | $54.9K | Form 4 |
| Brockmann Bobbi Jo | director, officer: VP of Sales and Marketing | Apr 16, 2025 | AWARD | 5,000 | $5.49 | $27.4K | Form 4 |
| Rosgen Steven T. | director | Apr 16, 2025 | AWARD | 10,000 | $5.49 | $54.9K | Form 4 |
| Basse Gloria F | director | Apr 16, 2025 | AWARD | 10,000 | $5.49 | $54.9K | Form 4 |
| Turner Kathy V | director: | Apr 1, 2026 | OTHER | 0 | — | — | Form 4 |
| BRIGHAM MICHAEL F | director | Mar 20, 2026 | OPTION EX. | 25,000 | $5.84 | $146.0K | Form 4 |
| BRIGHAM MICHAEL F | director | Mar 20, 2026 | TAX W/H | 24,052 | $6.07 | $146.0K | Form 4 |
| BRIGHAM MICHAEL F | director | Mar 20, 2026 | OPTION EX. | 25,000 | $5.84 | $146.0K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Jan 27, 2026 | AWARD | 109,500 | $6.26 | $686.0K | Form 4 |
| Fiori Timothy C | director, officer: Chief Financial Officer | Jan 27, 2026 | AWARD | 120,000 | $6.26 | $751.8K | Form 4 |
| Brockmann Bobbi Jo | director, officer: VP of Sales and Marketing | Jan 27, 2026 | AWARD | 100,000 | $6.26 | $626.5K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Jan 27, 2026 | AWARD | 110,000 | $6.26 | $689.1K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Dec 4, 2025 | BUY | 2,432 | $5.50 | $13.4K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Dec 3, 2025 | BUY | 3,598 | $5.04 | $18.2K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Dec 3, 2025 | BUY | 3,521 | $5.04 | $17.7K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Dec 3, 2025 | BUY | 2,556 | $5.00 | $12.8K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Dec 2, 2025 | BUY | 3,708 | $4.87 | $18.1K | Form 4 |
| Tomsche David Scott | director | Nov 25, 2025 | BUY | 1,633 | $4.76 | $7.8K | Form 4 |
| Tomsche David Scott | director | Nov 25, 2025 | BUY | 1,633 | $4.76 | $7.8K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Nov 7, 2025 | AWARD | 74,277 | $6.10 | $453.1K | Form 4 |
| te Boekhorst Paul Francis Olivier | director, officer: President and CEO | Sep 16, 2028 | OTHER | 25,329 | $5.90 | $149.4K | Form 4 |
| Basse Gloria F | director | Jun 11, 2025 | OPTION EX. | 11,470 | $4.81 | $55.2K | Form 4 |
| Basse Gloria F | director | Jun 11, 2025 | OPTION EX. | 3,530 | $4.81 | $17.0K | Form 4 |
| Basse Gloria F | director | Jun 11, 2025 | OPTION EX. | 3.53 | $4.81 | $16.98 | Form 4 |
| Gathagan Bryan K. | director | Jun 12, 2025 | BUY | 1,000 | $6.32 | $6.3K | Form 4 |
| Fiori Timothy C | Chief Financial Officer | Apr 16, 2025 | AWARD | 30,000 | $5.49 | $164.7K | Form 4 |
| Fiori Timothy C | Apr 7, 2025 | OTHER | 0 | — | — | Form 4 | |
| Wainman Paul R | director | Sep 20, 2024 | AWARD | 10,000 | $3.60 | $36.0K | Form 4 |
| Basse Gloria F | director | Sep 20, 2024 | AWARD | 10,000 | $3.60 | $36.0K | Form 4 |
| Tomsche David Scott | director | Sep 20, 2024 | AWARD | 10,000 | $3.60 | $36.0K | Form 4 |
| Gathagan Bryan K. | director | Sep 20, 2024 | AWARD | 10,000 | $3.60 | $36.0K | Form 4 |
| Rosgen Steven T. | director | Sep 20, 2024 | AWARD | 10,000 | $3.60 | $36.0K | Form 4 |
| Tomsche David Scott | director | Aug 28, 2024 | DISPOSED | 2,186 | $3.55 | $7.8K | Form 4 |
| Tomsche David Scott | director | Aug 23, 2024 | DISPOSED | 6,005 | $3.55 | $21.3K | Form 4 |
| Tomsche David Scott | director | Aug 22, 2024 | DISPOSED | 10,000 | $3.55 | $35.5K | Form 4 |
| Tomsche David Scott | director | Aug 19, 2024 | DISPOSED | 3,172 | $3.67 | $11.6K | Form 4 |
| Tomsche David Scott | director | Aug 16, 2024 | DISPOSED | 4,811 | $3.72 | $17.9K | Form 4 |
| Tomsche David Scott | director | Aug 15, 2024 | DISPOSED | 2,017 | $3.57 | $7.2K | Form 4 |
| Tomsche David Scott | director | Sep 6, 2023 | DISPOSED | 3,100 | $4.75 | $14.7K | Form 4 |
| Gathagan Bryan K. | director | Jun 28, 2023 | AWARD | 15,000 | $5.11 | $76.7K | Form 4 |
| Gathagan Bryan K. | Jun 16, 2023 | OTHER | 0 | — | — | Form 4 | |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 100 | $5.44 | $544.00 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 69 | $5.53 | $381.57 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 100 | $5.53 | $553.00 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 69 | $5.53 | $381.57 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 31 | $5.53 | $171.43 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 31 | $5.53 | $171.43 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 69 | $5.53 | $381.57 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 31 | $5.53 | $171.43 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 69 | $5.53 | $381.57 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 31 | $5.53 | $171.43 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 69 | $5.53 | $381.57 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 100 | $5.53 | $553.00 | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 831 | $5.47 | $4.5K | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 309 | $5.50 | $1.7K | Form 4 |
| Tomsche David Scott | director | Mar 14, 2023 | DISPOSED | 71 | $5.50 | $390.50 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 100 | $5.24 | $524.00 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 100 | $5.24 | $524.00 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 10 | $5.23 | $52.30 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 7 | $5.24 | $36.68 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 3 | $5.24 | $15.72 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 80 | $5.34 | $427.20 | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 900 | $5.37 | $4.8K | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 200 | $5.25 | $1.1K | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 300 | $5.24 | $1.6K | Form 4 |
| Tomsche David Scott | director | Mar 13, 2023 | DISPOSED | 400 | $5.20 | $2.1K | Form 4 |
| Wainman Paul R | director | Dec 15, 2022 | AWARD | 10,000 | $6.52 | $65.2K | Form 4 |
| Tomsche David Scott | director | Dec 15, 2022 | AWARD | 10,000 | $6.52 | $65.2K | Form 4 |
| Rosgen Steven T. | director | Dec 15, 2022 | AWARD | 10,000 | $6.52 | $65.2K | Form 4 |
| Cunningham David | director | Dec 15, 2022 | AWARD | 10,000 | $6.52 | $65.2K | Form 4 |
| Basse Gloria F | director | Dec 15, 2022 | AWARD | 10,000 | $6.52 | $65.2K | Form 4 |
| Basse Gloria F | director: | Jun 10, 2020 | OTHER | 0 | — | — | Form 4 |
| Basse Gloria F | Jun 10, 2020 | OTHER | — | — | — | Form 4 | |
| Tomsche David Scott | director | Sep 12, 2022 | DISPOSED | 195 | $7.80 | $1.5K | Form 4 |
| Tomsche David Scott | director | Sep 12, 2022 | DISPOSED | 606 | $7.75 | $4.7K | Form 4 |
| Tomsche David Scott | director: | Sep 8, 2022 | DISPOSED | 20 | $7.70 | $154.00 | Form 4 |
| Tomsche David Scott | director | Sep 9, 2022 | DISPOSED | 33 | $7.80 | $257.40 | Form 4 |
| Tomsche David Scott | director | Sep 9, 2022 | DISPOSED | 647 | $7.76 | $5.0K | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 1 | $7.62 | $7.62 | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 260 | $7.69 | $2.0K | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 5 | $7.70 | $38.50 | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 5 | $7.72 | $38.60 | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 329 | $7.71 | $2.5K | Form 4 |
| Tomsche David Scott | director | Sep 8, 2022 | DISPOSED | 306 | $7.68 | $2.4K | Form 4 |
| Tomsche David Scott | director | Jun 14, 2022 | DISPOSED | 400 | $8.25 | $3.3K | Form 4 |
| Tomsche David Scott | director: | Jun 1, 2022 | DISPOSED | 50 | $8.05 | $402.50 | Form 4 |
| Tomsche David Scott | director | Jun 14, 2022 | DISPOSED | 200 | $8.10 | $1.6K | Form 4 |
| Tomsche David Scott | director | Jun 13, 2022 | DISPOSED | 485 | $7.77 | $3.8K | Form 4 |
| Tomsche David Scott | director | Jun 13, 2022 | DISPOSED | 48 | $7.82 | $375.36 | Form 4 |
| Tomsche David Scott | director | Jun 13, 2022 | DISPOSED | 90 | $7.79 | $701.10 | Form 4 |
| Tomsche David Scott | director | Jun 13, 2022 | DISPOSED | 462 | $7.81 | $3.6K | Form 4 |