Soligenix, Inc. filed a prospectus supplement on June 26, 2026, to increase the capacity of its existing At Market Issuance Sales Agreement with Rodman & Renshaw LLC. The company is adding $2.5 million in aggregate offering capacity to the existing program. Prior to this supplement, the company had already sold approximately $6.234 million in common stock under the agreement, which had a previous limit of $6.406 million.