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.
Trade date
Sep 03, 2026
Filing date
Sep 08, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded24.2k$0.00 per share
Holdings after24.2kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

TECX price since this filing

Daily closing prices, with the filing date and available return windows
TECX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -4.0%1w ago +20.7%1d ago -0.1%
Returns since7d -6.2%30d -25.2%90d180d1y

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
24,250 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
24,250 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Increase
Filing-only score

-10 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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
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