X0609 4 2026-03-20 0000811641 IMMUCELL CORP /DE/ ICCC 0001136544 BRIGHAM MICHAEL F false C/O IMMUCELL CORPORATION 56 EVERGREEN DRIVE PORTLAND ME 04103 1 0 Common Stock, par value $.01 per share 2026-03-20 4 M 0 25000 5.84 A 229752 D Common Stock, par value $.01 per share 2026-03-20 4 F 0 24052 6.07 D 205700 D Stock Options (right to buy) 5.84 2026-03-20 4 M 0 25000 0 D 2017-02-10 2027-02-10 Common Stock 25000 0 D Number of shares resulting from stock-for-stock exercise of stock option. The Reporting Person surrendered previously owned shares in full payment of the exercise price for that option. Number of shares surrendered to the Issuer in payment of the exercise price of the option. /s/ Timothy C. Fiori Attorney-in-Fact 2026-03-24