Transaction · 0002023849-26-000012

Ruddy Marcella K.

Ruddy Marcella K., CMO, reported a transaction classified as grant at Tectonic Therapeutic, Inc. involving 24250.000000 shares for an estimated $0.00. Reported holdings after the transaction were 24250.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ACMO
TECXTectonic Therapeutic, Inc.
Filing timeSep 08
Trade dateSep 03, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$30.40
Pre-filing
1mo ago -4.0%1w ago +20.7%1d ago -0.1%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

TECX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
TECX since 2026-09-08Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0002023849-26-000012
Employee Stock Option (Right to Buy)
Transaction date
Sep 03, 2026
Filed Sep 08, 2026, 08:45 PM · 5d delay
Shares
24.2k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
24.2k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Increase
-10score
Filing-only score

-10

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Medical Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    1/8th of the shares subject to the option vest on September 3, 2026 with the remaining shares subject to the option vesting in the following 42 equal monthly installments beginning on October 3, 2026,…

Original filing · 0002023849-26-000012
Related transactions

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Same reporting owner
Recent company activity

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