$FDMT

Kirn David sold $1.1M of FDMT

Kirn David (See Remarks) sold 69,076 shares of 4D Molecular Therapeutics, Inc. (FDMT) at an average of $15.75 ($15.36–$16.42, $1.09M total) across 2 trades on 2026-08-19 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kirn David
Published Aug 21, 2026, 8:06 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 21, 2026, 8:36 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
$FDMT
Neutral
medium confidence
Mentioned
$FDMT
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$FDMTNeutralLow
01

Why it matters

Routine insider sale with modest dollar value; unlikely to move the stock significantly.

02

Market read

Provides a fresh primary disclosure of an insider sale; low trading relevance.

03

What to watch

Potential upcoming clinical data releases or financing events not disclosed.

Relevance 5/10Novelty 4/10Timing: post‑market 2026‑08‑21 filing

Background

Form 4 filing from SEC EDGAR reporting an insider transaction for 4D Molecular Therapeutics (FDMT).

Company-level read

Ticker impact

$FDMTNeutralMedium confidence
Context

Officer/director Kirn David sold $1.1M of FDMT shares (69,076 shares) via a 10b5-1 plan on 2026-08-19.

Expected impact

Potential slight dip in FDMT price over the next few days.

Evidence & confidence

Sale amount is modest and pre‑arranged; market may view it as routine.

Market effects

Limited impact on the broader biotech sector; insider sales are common.

No significant regional effect.

Minimal global relevance.

Counterpoint

The sale could be a red flag if insider confidence wanes, suggesting a deeper issue.

Key entities

  • Kirn David

    Insider who sold 69,076 FDMT shares.

  • 4D Molecular Therapeutics, Inc.

    Biotech firm whose ticker is FDMT.

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.

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