Sheinerman Kira → Niki BioSolutions, Inc. APM

The information set forth in Items 3 and 6 is incorporated herein by reference. The shares of Niki Common Stock reported herein were acquired by the Reporting Person solely as merger consideration pursuant to the merger agreement, as described in Item 3 above. No funds or other consideration were expended by the Reporting Person in connection with the receipt of such shares. On July 20, 2026, the merger was consummated pursuant to the merger agreement. In connection with the merger, Aptorum effected the domestication and became a Delaware corporation, changing its name to Niki BioSolutions, Inc. The Niki Common Stock is listed on the Nasdaq Capital Market under the ticker symbol "NIKI" (CUSIP: 653942102). The Reporting Person is a party to that certain Stockholders Agreement, the final form of which is filed as Exhibit 4.5 hereto, which governs certain rights and obligations of the Reporting Person with respect to the Niki Common Stock. Reference is made to the Stockholders Agreement for a complete description of its terms, which are incorporated herein by reference.