Transaction · 0002023255-26-000009

McNamara Peter

McNamara Peter, CSO, reported an open-market or private sale at Tectonic Therapeutic, Inc. involving 43.000000 shares for an estimated $1570.36. Reported holdings after the transaction were 55285.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCSO
TECXTectonic Therapeutic, Inc.
Trade date
Aug 25, 2026
Filing date
Aug 26, 2026
View on SEC Insider profile
Estimated value-$1.57kShares × reported price
Shares traded43$36.52 per share
Holdings after55.2kDirect
% of reported position traded0.08%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 55,328 shares.

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 -15.6%1w ago +1.8%1d ago +1.4%
Returns since7d -15.5%30d -34.2%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002023255-26-000009
Common Stock
Transaction date
Aug 25, 2026
Filed Aug 26, 2026, 08:30 PM · 1d delay
Shares
43 sh
$36.52 per share
Estimated value
-$1.57k
Computed from shares × price
Holdings after
55,285 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership 10b5-1 Detected
Filing-only score

0 points

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
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 Scientific Officer

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

    This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

  2. F2

    The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Original filing · 0002023255-26-000009
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