0001438133 2026-05-27 2026-05-27 0001438133 1 2026-05-27 2026-05-27 iso4217:USD pure shares S-8 S-8 EX-FILING FEES 0001438133 TANDEM DIABETES CARE INC N/A false S-8 TANDEM DIABETES CARE INC Equity Common stock, $0.001 par value per share true 3260000 14.36 46813600.00 0.0001381 6464.96 46813600.00 6464.96 0.00 6464.96 This Registration Statement on Form S-8 covers (i) additional shares of common stock, par value $0.001 per share, of the Registrant (Common Stock) authorized for issuance under Tandem Diabetes Care, Inc.s 2023 Long-Term Incentive Plan, as amended (the Plan), pursuant to an amendment to the Plan approved at the Registrants 2026 Annual Meeting of Stockholders held on May 20, 2026, and (ii) pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the Securities Act), such additional shares of Common Stock that may become issuable under the Plan by reason of any stock dividend, stock split, recapitalization or other similar transaction. The proposed maximum offering price per unit has been estimated solely for purposes of calculating the registration fee pursuant to Rule 457(h)(1) and Rule 457(c) of the Securities Act and is based upon the average of the high and low prices of the Common Stock on May 20, 2026, as reported on The Nasdaq Global Market.