Tectonic Therapeutic director files initial Form 3

Tectonic Therapeutic, Inc. reported that Jessica Caroline Chutter has become a reporting person as a director on a Form 3.

Rhea-AI Filing Summary

Tectonic Therapeutic, Inc. reported that Jessica Caroline Chutter has become a reporting person as a director on a Form 3. This filing is an initial statement of beneficial ownership and does not list any stock holdings or report any buy, sell, or option exercise transactions.

Key Terms

Form 3, reporting person, beneficial ownership

3 terms

Form 3 regulatory

"This filing is an initial statement of beneficial ownership"

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.

reporting person regulatory

"reported that Jessica Caroline Chutter has become a reporting person"

beneficial ownership financial

"This filing is an initial statement of beneficial ownership"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Tectonic Therapeutic (TECX) Form 3 for Jessica Caroline Chutter show?

The Form 3 shows that Jessica Caroline Chutter is a director and is now a reporting person for Tectonic Therapeutic, Inc. It is an initial ownership statement and does not report any stock transactions or current holdings in this filing.

Does the TECX Form 3 for Jessica Caroline Chutter report any stock purchases or sales?

No, the Form 3 for Jessica Caroline Chutter reports no stock purchases, sales, or option exercises. The transaction summary shows zero buy, sell, acquire, dispose, and exercise counts, indicating no trading activity is disclosed in this initial filing.

What role does Jessica Caroline Chutter have at Tectonic Therapeutic (TECX)?

Jessica Caroline Chutter is identified as a director of Tectonic Therapeutic, Inc. on the Form 3. She is not reported as an officer or a ten percent owner, and there is no officer title listed in the filing metadata for her role.

Why is a Form 3 important for Tectonic Therapeutic (TECX) insiders?

Form 3 is the initial statement of beneficial ownership filed when someone becomes an insider, such as a director. It establishes a baseline for future Form 4 or Form 5 filings, where subsequent trades or changes in beneficial ownership must be reported to investors.

Does the TECX Form 3 include any derivative securities for Jessica Caroline Chutter?

No, the derivative summary in the Form 3 is empty for Jessica Caroline Chutter. This means the filing does not list any options, warrants, or other derivative securities currently associated with her insider position at Tectonic Therapeutic, Inc.

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

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Accepted by SEC EDGAR 06/10/2026 - 04:35 PM EDT 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^*

Chutter Jessica Caroline

(Last) (First) (Middle)

C/O TECTONIC THERAPEUTIC, INC.

490 ARSENAL WAY, SUITE 200

(Street)

WATERTOWN MASSACHUSETTS 02472

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/08/2026

3. Issuer Name and Ticker or Trading Symbol
Tectonic Therapeutic, Inc. [ TECX ]

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:

No securities are beneficially owned.

	/s/ Daniel Lochner, Attorney-in-Fact	06/10/2026
	** 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)