X0202 SCHEDULE 13D 0002116526 XXXXXXXX LIVE Common Shares, No Par Value 09/01/2026 0001833141 23256X407 Cybin Inc.

100 King Street West, Suite 5600 Toronto A6 M5X 1C9

Richard Raymer (416) 367-7370 Dorsey & Whitney LLP 66 Wellington Street West, Suite 3400 Toronto A6 M5K 1E6 0002116526 N So Eric H. L. b OO PF Z4 4370278 53616 4370278 53616 4423894 5.8 IN Includes 105,264 shares underlying warrants exercisable for Issuer common shares. Y So Tina b PF Z4 0 53616 0 53616 53616 0.1 IN Common Shares, No Par Value Cybin Inc. 100 King Street West, Suite 5600 Toronto A6 M5X 1C9 i) Eric So (the "Reporting Person") ii) Tina So Collectively, the "Reporting Persons" c/o Cybin Inc. (the "Issuer") 100 King Street West, Suite 5600 Toronto, Ontario M5X 1C9 The Reporting Person is a director, co-founder and current executive chair of the Issuer. The Reporting Persons have not, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). The Reporting Persons have not, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction, and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. i) and ii) Canada The holdings were acquired by the Reporting Persons using personal funds or through company employee incentive awards. Investment and company employee incentive awards 5.8% The Reporting Person has sole voting and dispositive authority over 4,370,278 common shares, which includes shares underlying warrants exercisable for 105,264 common shares, and shared voting and dispositive authority over 53,616 common shares held by the Reporting Person's spouse. On September 1, 2026, the Reporting Person purchased 95,000 common shares of the Issuer at a price of $11.805 per share, for a total purchase price of $1,121,475. On September 1, 2026, the Issuer awarded the Reporting Person 1,046,899 restricted stock units. Not applicable Not applicable None None So Eric H. L. /s/ Eric So 09/09/2026