Transaction · 0002023849-26-000002

Ruddy Marcella K.

Ruddy Marcella K., CMO, reported a transaction classified as withholding at Tectonic Therapeutic, Inc. involving 2064.000000 shares for an estimated $47926.08. Reported holdings after the transaction were 53247.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCMO
TECXTectonic Therapeutic, Inc.
Filing timeFeb 10
Trade dateFeb 04, 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
$21.05
Pre-filing
1mo ago -6.4%1w ago -6.0%1d ago +9.0%
Returns since
7d +0.2%30d +62.0%90d +30.7%180d +47.2%1y +74.3%

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 2026-02-10Filed 211 days ago · 30 days of pre-filing context shaded
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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

Non-derivative
Type
withholding
Code F
Identifier
0002023849-26-000002
Common Stock
Transaction date
Feb 04, 2026
Filed Feb 10, 2026, 09:09 PM · 6d delay
Shares
2.06k sh
$2.32k per share
Estimated value
-$4.79M
Computed from shares × price
Holdings after
53.2k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
delayed filingThe filing was reported 6 calendar days after the transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Delayed Filing Direct Ownership
-22score
Filing-only score

-22

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

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

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

    This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restrict…

Original filing · 0002023849-26-000002
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