Invivyd director Sheffield Ian reports no holdings

New Invivyd, Inc. director Sheffield Ian has filed a Form 3 showing no reported share holdings or transactions.

Rhea-AI Filing Summary

Invivyd, Inc. (IVVD) filed an initial statement of beneficial ownership on Form 3 for Sheffield Ian, who is identified as a director of the company. The filing reports no equity transactions or holdings and notes an attached Exhibit 24.1 granting a Power of Attorney.

Key Figures

Reported buy transactions: 0 transactions Reported sell transactions: 0 transactions Holding entries: 0 entries

3 metrics

Reported buy transactions 0 transactions Buy transactions in Invivyd, Inc. securities reported for Sheffield Ian

Reported sell transactions 0 transactions Sell transactions in Invivyd, Inc. securities reported for Sheffield Ian

Holding entries 0 entries Equity holding entries reported for Sheffield Ian

Key Terms

Form 3, beneficial ownership, Power of Attorney

3 terms

Form 3 regulatory

"filed an initial statement of beneficial ownership on Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership financial

"filed an initial statement of beneficial ownership on Form 3"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Power of Attorney regulatory

"notes an attached Exhibit 24.1 granting a Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

FAQ

What does the Form 3 filed for IVVD disclose about Sheffield Ian?

It identifies Sheffield Ian as a director of Invivyd, Inc. and serves as his initial statement of beneficial ownership, with no equity transactions or holdings reported in the form.

Does the IVVD Form 3 show any shares owned by Sheffield Ian?

No. The Form 3 for Invivyd, Inc. reports no transactions and no holding entries for Sheffield Ian, indicating that no specific share ownership is reported in this filing.

Are there any buy or sell transactions reported for Sheffield Ian in IVVD stock?

No. The transaction summary shows 0 buy and 0 sell transactions, and overall net buy/sell shares of 0, so no trades in Invivyd, Inc. securities are reported.

What is Exhibit 24.1 mentioned in the IVVD Form 3?

The remarks section states that Exhibit 24.1 is a Power of Attorney, which typically authorizes another party to sign or act on behalf of Sheffield Ian for this reporting.

Is the IVVD Form 3 associated with a Rule 10b5-1 trading plan?

No. The Form 3 has the plan status field null, and there are no footnotes or disclosures indicating that any transactions were made under a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 04:40 PM Accepted by SEC EDGAR 09/02/2026 - 04:40 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Sheffield Ian

(Last) (First) (Middle)

C/O INVIVYD, INC.

205 CHURCH STREET

(Street)

NEW HAVEN CONNECTICUT 06510

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/30/2026

3. Issuer Name and Ticker or Trading Symbol
Invivyd, Inc. [ IVVD ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24.1: Power of Attorney

No securities are beneficially owned.

	/s/ Jill Andersen attorney-in-fact for Ian Sheffield	09/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)