$TECX

McNamara Peter sold $12K of TECX

McNamara Peter (Chief Scientific Officer) sold 536 shares of Tectonic Therapeutic, Inc. (TECX) at $23.04 on 2026-09-30 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · McNamara Peter
Published Oct 2, 2026, 9:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 2, 2026, 9:06 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$TECX
Neutral
high confidence
Mentioned
$TECX
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TECXNeutralLow
01

Why it matters

The filing adds a new data point on insider holdings but is unlikely to move the stock materially.

02

Market read

Small insider sale with limited trading relevance; primarily of interest to compliance monitors.

03

What to watch

Potential upcoming clinical milestones that may outweigh the small sell‑off.

Relevance 2/10Novelty 2/10Timing: after‑hours filing today

Background

SEC Form 4 disclosures provide primary‑source insider transaction data.

Company-level read

Ticker impact

$TECXNeutralHigh confidence
Context

Form 4 filing shows Chief Scientific Officer sold 536 shares for $12.3K via a 10b5‑1 plan.

Expected impact

likely modest pressure as market prices in the small insider sell.

Evidence & confidence

The sale is modest ($12K) and executed under a pre‑arranged plan, limiting informational value.

Market effects

Minimal impact on biotech sector; similar small insider sales are common.

No regional effect; company is US‑based.

Negligible on a global scale.

Counterpoint

The sale could be a routine liquidity move, not a negative signal.

Key entities

  • Peter McNamara

    Chief Scientific Officer of Tectonic Therapeutic, Inc.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$TECXHighAI 8/10

Tectonic Therapeutic Announces Favorable Phase 1 Safety, Tolerability and PK Results for TX2100, a Novel Approach for the Treatment of Hereditary Hemorrhagic…

Tectonic Therapeutic, Inc. (TECX) filed an SEC Form 8-K — Other Events. Exhibit 99.1 Tectonic Therapeutic Announces Favorable Phase 1 Safety, Tolerability and PK Results for TX2100, a Novel Approach for the Treatment of Hereditary Hemorrhagic Telangiectasia (HHT) • U.S. FDA has granted Fast Track designation for TX2100 in HHT and cleared the Investig

$TECXMedAI 8/10

Tectonic Therapeutic (TECX) Clears Two Trial Hurdles With Cash To Spare

Tectonic Therapeutic (TECX) reported Q2 results, highlighting progress in two clinical trials, TX45 for pulmonary hypertension and TX2100 for a rare bleeding disorder. The company has sufficient cash to fund operations into 2029. Net loss widened to $22.3M from $20M a year earlier. Hedge fund ownership increased, while short interest remains high at 17.86% of the float.

$TECXMed

Tectonic Therapeutic Announces Second Quarter 2026 Financial Results and Recent

Tectonic Therapeutic, Inc. (TECX) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 Tectonic Therapeutic Announces Second Quarter 2026 Financial Results and Recent Business Highlights • Enrollment completed in TX45 APEX Phase 2 clinical trial in patients with pulmonary hypertension associated with heart failure with preserved ejection fraction (“PH-

$LWAYLow

Divisadero Street Capital Management, LP (Zolezzi William) purchased $2.2M of LWAY (indirect holdings)

Divisadero Street Capital Management, LP purchased 103,684 indirectly-held shares of Lifeway Foods, Inc. (LWAY) at an average of $20.92 ($20.80–$21.09, $2.17M total) across 3 trades over 2026-10-02 to 2026-10-06. Filed jointly with Divisadero Street Partners GP, LLC (10% owner), Zolezzi William (10% owner), Divisadero Street Partners, L.P. (10% owner) and Divisadero Street Capital, LLC (10% owner).