Form 4 for TECX Tectonic Therapeutic, Inc.

Accepted 2025-02-07 00:00:00 ET · period of report 2025-02-05 · accession 0001415889-25-003351 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2025-02-07	2025-02-05	TECX	SPRINGER TIMOTHY A	Dir, 10%	P - Purchase	$54.14	+129.3K	4.23M	+3%	+$7.00M
I	2025-02-07	2025-02-05	TECX	SPRINGER TIMOTHY A	Dir, 10%	P - Purchase	$50.00	+660.0K	970.2K	+213%	+$33.00M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-02-05	P	A	129,294	$54.14	4,226,058	D	—	—	(F1) These shares of common stock were purchased in a private placement transaction on February 5, 2025, which was previously announced on the Issuer's Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 3, 2025. These shares were offered and sold in reliance on the exemption afforded by Regulation D of the Securities Act of 1933, as amended.
2	Common	Common Stock	2025-02-05	P	A	660,000	$50.00	970,223	I By LLC	—	—	(F1) These shares of common stock were purchased in a private placement transaction on February 5, 2025, which was previously announced on the Issuer's Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 3, 2025. These shares were offered and sold in reliance on the exemption afforded by Regulation D of the Securities Act of 1933, as amended. (F2) 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.