13D Filings
Invivyd, Inc.
IVVD
Amendment
Ownership

4.60%

Total Shares

9,548,250

Issuer CIK

1832038

CUSIP

00534A102

Event Date

Aug 21, 2025

Accepted

Aug 26, 2025, 04:15 PM

Reporting Persons (2)
NameType% of ClassAggregateSole VotingShared Voting
Marc Elia
Individual
4.60%9,548,250300,0009,248,250
M28 Capital Management LP
Investment Adviser
4.40%9,248,25009,248,250
Disclosure Items (4)

Security Title

Common Stock, par value $0.0001 per share

Issuer Name

Invivyd, Inc.

Issuer Address

1601 TRAPELO ROAD, WALTHAM, MA, 02451

The director stock options reported herein were acquired by Mr. Elia for his services rendered to the Issuer as a member of the Issuer's board of directors.

Percentage of Class

See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of shares of Common Stock and percentages of the Common Stock beneficially owned by the Reporting Person. The percentages in this Schedule 13D are calculated based upon 209,377,291 shares of Common Stock reported to be outstanding, as disclosed in the Issuer's Prospectus filed pursuant to Rule 424(b)(5) filed with the Securities and Exchange Commission on August 22, 2025 and the Issuer's August 22, 2025 Press Release, after giving effect to the completion of the offering and the exercise in full of the underwriters' overallotment option, as described therein, and assumes the exercise of the director stock options granted to Mr. Elia.

Number of Shares

See rows (7) through (10) of the cover pages to this Schedule 13D for the number of shares of Common Stock as to which the Reporting Persons have the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.

Transactions

No transactions in the shares of Common Stock have been effected by the Reporting Persons in the past sixty (60) days.

Date of 5% Ownership

August 22, 2025.

Mr. Elia holds an aggregate of 300,000 unvested and vested director stock options granted in consideration for his service on the board of directors of the Issuer. Mr. Elia is deemed to hold the options for the benefit of M28 Capital and the M28 Funds and Accounts.

Invivyd, Inc. — Schedule 13D | 13D Filings