TScan Therapeutics Closes of Upsized Public Offering

WALTHAM, Mass., April 19, 2024 (GLOBE NEWSWIRE) — TScan Therapeutics, Inc. (Nasdaq: TCRX), a clinical-stage biopharmaceutical company focused on the development of T cell receptor (TCR)-engineered T cell therapies (TCR-T) for the treatment of patients with cancer, today announced the closing of an underwritten public offering of 2,472,581 shares of its voting common stock at a public offering price of $7.1300 per share, which was equal to the closing price of its voting common stock on the Nasdaq Global Market on April 16, 2024, and pre-funded warrants to purchase up to an aggregate of 18,577,419 shares of its voting common stock at a price to the public of $7.1299 per pre-funded warrant to purchase one share of the voting common stock, which represents the per share public offering price for the voting common stock less the $0.0001 per share exercise price for each such pre-funded warrant. In addition, TScan has granted the underwriters a 30-day option to purchase up to an additional 3,157,500 shares of its voting common stock at the public offering price, less underwriting discounts and commissions. The gross proceeds to TScan from this offering were approximately $150.1 million, prior to any exercise of the underwriters’ option to purchase additional shares of voting common stock and before deducting underwriting discounts and commissions and other estimated offering expenses payable by TScan.

Morgan Stanley and TD Cowen acted as joint book-running managers for the offering. LifeSci Capital acted as lead manager, and BTIG, H.C. Wainwright & Co. and Needham & Company acted as co-managers for the offering.

The Company intends to use the net proceeds from the offering for general corporate purposes. Following this offering, and excluding any additional proceeds from the underwriters’ exercise of their over-allotment option, the Company expects its cash, cash equivalents and marketable securities will fund its current operating plan into the fourth quarter of 2026.

About TScan Therapeutics, Inc.

TScan is a clinical-stage biopharmaceutical company focused on the development of T cell receptor (TCR)-engineered T cell therapies (TCR-T) for the treatment of patients with cancer. The Company’s lead TCR-T candidates, TSC-100 and TSC-101, are in development for the treatment of patients with hematologic malignancies to prevent relapse following allogeneic hematopoietic cell transplantation. The Company is also developing multiplexed TCR-T candidates for the treatment of various solid tumors. The Company has developed and continues to expand its ImmunoBank, the Company’s repository of therapeutic TCRs that recognize diverse targets and are associated with multiple HLA types, to provide customized multiplex therapeutic TCR-Ts for patients with a variety of cancers.