X0508 4 2025-11-14 0 0001560293 Tenon Medical, Inc. TNON 0002080676 Geist Wyatt D. 104 COOPER CT. LOS GATOS CA 95032 0 1 0 0 Chief Innovation Officer 0 Common stock 2025-11-14 4 P 0 19455 A 157569 D Common stock 350765 I By SiVantage, Inc. Common Stock Purchase Warrant 1.16 2025-11-14 4 P 0 19455 A 2025-11-14 2028-11-14 Common Stock 19455 19455 D On November 10, 2025, the Issuer entered into a Securities Purchase Agreement for an at-the-market private investment in public equity transaction, in which the reporting person purchased 19,455 shares of common stock of the Issuer and warrants to purchase up to 19,455 shares of common stock of the Issuer. The purchase price for each share of common stock and accompanying warrant was $1.285. The offering closed on November 14, 2025. Reflects the reporting person's indirect interest in 710,300 shares owned by SiVantage, Inc., a corporation in which the reporting person has a 49.38% equity interest. /s/ Wyatt Geist 2025-11-18