Transaction Details

Footnotes

Includes restricted shares of Common Stock which vest over various time periods, subject to Mr. Weiss's continued service on the board. | The shares were held by Hawkins BioVentures, LLC, of which Mr. Weiss is the sole member. | Disposed of in connection with an offer made pursuant to the Agreement and Plan of Merger, dated as of March 9, 2025 and as amended on April 14, 2025 (the "Merger Agreement"), in exchange for $4.10 per share, net to the holder in cash, plus one contractual contingent value right ("CVR") per share. Each CVR represents the right to receive a payment ranging from $0.20 to $0.70 pursuant to certain milestone payments as defined in the Merger Agreement relating to the regulatory approval for cosibelimab in the European Union. The CVR milestone must be achieved within thirty-six (36) months after the date on which a marketing authorization application or equivalent application for cosibelimab receives a positive validation outcome by the European Medicines Agency.