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Filing Details

Accession Number:: 0001415889-25-010588
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-04-11 18:12:08
Reporting Period:: 2025-04-09

Filing Date:: 2025-04-11
Accepted Time:: 2025-04-11 18:12:08
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1681087	Tectonic Therapeutic Inc.	TECX	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1055624	A Timothy Springer	C/O Tectonic Therapeutic, Inc. 490 Arsenal Way, Suite 210 Watertown MA 02472		No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-04-09	2,861	$14.62	4,316,419	No	4	P	Direct
Common Stock	Acquisiton	2025-04-09	857	$15.23	4,317,276	No	4	P	Direct
Common Stock	Acquisiton	2025-04-10	8,092	$16.73	4,325,368	No	4	P	Direct
Common Stock	Acquisiton	2025-04-11	9,478	$16.31	4,334,846	No	4	P	Direct
Common Stock	Acquisiton	2025-04-09	16,215	$14.62	1,398,938	No	4	P	Indirect	By LLC
Common Stock	Acquisiton	2025-04-09	4,856	$15.23	1,403,794	No	4	P	Indirect	By LLC
Common Stock	Acquisiton	2025-04-10	45,858	$16.73	1,449,652	No	4	P	Indirect	By LLC
Common Stock	Acquisiton	2025-04-11	53,706	$16.31	1,503,358	No	4	P	Indirect	By LLC

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Indirect	By LLC
No	4	P	Indirect	By LLC
No	4	P	Indirect	By LLC
No	4	P	Indirect	By LLC

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	186,134	Indirect	By Spouse

Footnotes

The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $13.9869 to $14.9578 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $15.1994 to $15.2452 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $16.29 to $17.00 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $15.96 to $16.68 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
These shares are held by TAS Partners LLC ("TAS"). The Reporting Person is the sole managing member of TAS and, as such, has sole voting and dispositive power over the shares held by TAS. The Reporting Person disclaims beneficial ownership of the shares held by TAS except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.