144 0002025331 XXXXXXXX LIVE 0001832038 Invivyd, Inc. 001-40703 205 Church Street New Haven CT 06510 781-819-0080 Lee Timothy Edward Officer Common Stock Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

40800 29412.72 294758746 08/17/2026 Nasdaq Common Stock 08/15/2026 Common Stock acquired upon vesting of restricted stock units granted under the Issuer's 2021 Equity Incentive Plan Issuer N 102000 08/15/2026 Equity Compensation Y This Form 144 reports shares to be sold to satisfy the Reporting Person's tax obligations upon vesting of a restricted stock unit award in non-discretionary "sell-to-cover" transactions pursuant to a Rule 10b5-1 plan applicable to the Reporting Person. Aggregate Market Value of the sale is based on a closing price of $0.7209 for the Issuer's common stock on August 14, 2026. The actual number of shares sold will depend on the sale price of the Issuer's common stock at the time of sale. 08/17/2026 02/20/2025 /s/ Jill Andersen attorney-in-fact for Timothy Edward Lee