$FDMT

Kirn David sold $1.2M of FDMT

Kirn David (See Remarks) sold 114,746 shares of 4D Molecular Therapeutics, Inc. (FDMT) at $10.47 ($1.20M total) on 2026-06-22 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kirn David
Published Jun 23, 2026, 4:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 6, 2026, 6:48 AM 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

The newest disclosed fact is the specific open-market sale details (shares, price, total value) by an officer/director, executed under a pre-arranged 10b5-1 plan.

02

Market read

Traders may note the insider sale for sentiment, but the 10b5-1 structure makes it less actionable as a fundamental signal.

03

What to watch

The filing does not indicate whether other insiders sold/bought around the same time, nor does it provide any new clinical or financial catalyst for FDMT.

Relevance 5/10Novelty 3/10Timing: filed 2026-06-23 after-hours/late session; sale executed 2026-06-22

Background

The article is a SEC Form 4 insider transaction disclosure for 4D Molecular Therapeutics, Inc.

Company-level read

Ticker impact

$FDMTNeutralMedium confidence
Context

FDMT filed a Form 4 showing officer/director Kirn David sold 114,746 shares for about $1.20M under a pre-arranged 10b5-1 plan.

Expected impact

Low near-term impact; any reaction is likely limited to short-lived sentiment rather than a durable repricing.

Evidence & confidence

The filing discloses transaction size, price, and that it was executed under a pre-arranged 10b5-1 plan, which reduces the signal of new negative information.

Market effects

Minimal. Insider sales under 10b5-1 generally do not change biotech sector fundamentals.

None indicated.

None indicated.

Counterpoint

Because the sale is under a pre-arranged 10b5-1 plan, it may reflect liquidity planning rather than bearish expectations, so traders may ignore it.

Key entities

  • 4D Molecular Therapeutics, Inc.

    Subject of the Form 4 insider transaction disclosure.

  • Kirn David

    Officer and director who sold shares in an open-market transaction under a 10b5-1 plan.

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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