Christine Zedelmayer's Stock Transactions

On December 23, 2025, Christine Zedelmayer, Sr. Vice President and COO of Equillium, Inc., made significant transactions involving the company's Common Stock. She acquired 100,000 shares at $0.785 per share, increasing her post-transaction holdings to 191,444 shares. Concurrently, she disposed of 100,000 shares at a price of $1.50 per share, reducing her post-transaction holdings to 91,444 shares. These transactions were executed under a Rule 10b5-1 trading plan. Additionally, Zedelmayer exercised an employee stock option to buy 100,000 shares of Common Stock at an exercise price of $0.785 per share. Vesting terms indicate that 25% of the shares vest on the first anniversary of the vesting commencement date, with the remainder vesting in 36 equal monthly installments over the following three years.