Timothy A. Springer - 09 Apr 2025 Form 4 Insider Report for Tectonic Therapeutic, Inc. (TECX)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
11 Apr 2025, 18:12:08 UTC
Prior SEC filing
09 Apr 2025
Next SEC filing
11 Jun 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Daniel Lochner, Attorney-in-Fact

Key filing fact

Timothy A. Springer filed Form 4 for Tectonic Therapeutic, Inc. (TECX) on 11 Apr 2025.

Key facts

  • This page summarizes Timothy A. Springer's Form 4 filing for Tectonic Therapeutic, Inc. (TECX).
  • 8 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 11 Apr 2025, 18:12.

Change

  • Previous filing in this sequence was filed on 09 Apr 2025.
  • Current net transaction value: +$2,299,015.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TECX transaction

Common Stock

Purchase

Transaction value
$41,828
Shares
+2,861
Change %
+0.07%
Price
$14.62
Shares after
4,316,419
Date
09 Apr 2025
Ownership
Direct
Footnotes
F1
TECX transaction

Common Stock

Purchase

Transaction value
$13,052
Shares
+857
Change %
+0.02%
Price
$15.23
Shares after
4,317,276
Date
09 Apr 2025
Ownership
Direct
Footnotes
F2
TECX transaction

Common Stock

Purchase

Transaction value
$135,379
Shares
+8,092
Change %
+0.19%
Price
$16.73
Shares after
4,325,368
Date
10 Apr 2025
Ownership
Direct
Footnotes
F3
TECX transaction

Common Stock

Purchase

Transaction value
$154,586
Shares
+9,478
Change %
+0.22%
Price
$16.31
Shares after
4,334,846
Date
11 Apr 2025
Ownership
Direct
Footnotes
F4
TECX transaction

Common Stock

Purchase

Transaction value
$237,063
Shares
+16,215
Change %
+1.2%
Price
$14.62
Shares after
1,398,938
Date
09 Apr 2025
Ownership
By LLC
Footnotes
F1, F5
TECX transaction

Common Stock

Purchase

Transaction value
$73,957
Shares
+4,856
Change %
+0.35%
Price
$15.23
Shares after
1,403,794
Date
09 Apr 2025
Ownership
By LLC
Footnotes
F2, F5
TECX transaction

Common Stock

Purchase

Transaction value
$767,204
Shares
+45,858
Change %
+3.3%
Price
$16.73
Shares after
1,449,652
Date
10 Apr 2025
Ownership
By LLC
Footnotes
F3, F5
TECX transaction

Common Stock

Purchase

Transaction value
$875,945
Shares
+53,706
Change %
+3.7%
Price
$16.31
Shares after
1,503,358
Date
11 Apr 2025
Ownership
By LLC
Footnotes
F4, F5
TECX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
186,134
Date
09 Apr 2025
Ownership
By Spouse
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

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