0002130606 2026-08-28 2026-08-28 0002130606 1 2026-08-28 2026-08-28 iso4217:USD pure shares S-1 S-1 EX-FILING FEES 0002130606 Obsidian Therapeutics, Inc. N/A N/A S-1 Obsidian Therapeutics, Inc. false Equity Common Stock, par value of $0.0001 true 29164045 17.7597 517944689.99 0.0001381 71528.17 517944689.99 71528.17 0.00 0.00 71528.17 (A) The amount of shares registered represents an aggregate of 29,164,045 shares of common stock, par value $0.0001 per share, of Obsidian Therapeutics, Inc. (the "Common Stock"), all of which were acquired by the selling stockholders named in the prospectus that forms a part of this registration statement (this "Registration Statement") in a private placement. Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of Common Stock that may be offered or become issuable as a result of stock splits, stock dividends, or other distribution, recapitalization or similar event or transaction effected without the receipt of consideration which results in an increase in the number of outstanding Common Stock. (B) Estimated solely for purposes of calculating the registration fee in accordance with Rule 457(c) under the Securities Act and based upon the average of the high and low sales prices of the Common Stock, as reported on the Nasdaq Capital Market on August 27, 2026, which date is within five business days prior to the filing of this Registration Statement.