Form 4 Filing for Andrew E. Singer

Andrew E. Singer, a director at KYNTRA BIO, INC., acquired 14,000 stock options on October 1, 2026. These options, with an exercise price of $6.50, are for the company's Common Stock and vest in twelve equal quarterly installments starting from the grant date. The options have an expiration date of September 30, 2036. Mr. Singer directly holds these options post-transaction.