$FDMT

Kirn David sold $811K of FDMT

Kirn David (See Remarks) sold 58,333 shares of 4D Molecular Therapeutics, Inc. (FDMT) at $13.90 ($0.81M total) on 2026-09-14 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kirn David
Published Sep 16, 2026, 9:13 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 9:30 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
Bearish
medium confidence
Mentioned
$FDMT
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$FDMTBearishLow
01

Why it matters

The disclosed sale represents a modest reduction in insider ownership, which may be interpreted as a slight bearish signal.

02

Market read

Primary source insider sale; modest materiality for a micro‑cap biotech.

03

What to watch

The 10b5-1 plan pre‑arranged nature may mitigate negative interpretation.

Relevance 4/10Novelty 5/10Timing: Filed Sep 16, 2026 (transaction on Sep 14)

Background

Form 4 filings disclose insider transactions; investors monitor them for potential signals.

Company-level read

Ticker impact

$FDMTBearishMedium confidence
Context

Officer/director Kirn David sold 58,333 shares of 4D Molecular Therapeutics for $811,004 on Sep 14, 2026.

Expected impact

Possible short-term downward pressure on FDMT as the market digests the insider sell.

Evidence & confidence

A $811k sale by an officer is material for a micro‑cap biotech; such sales often precede price weakness, but the impact may be limited.

Market effects

Minimal; biotech sector may view the sale as a routine insider transaction.

None

Low

Counterpoint

The sale could be a routine liquidity event unrelated to company fundamentals.

Key entities

  • Kirn David

    Insider who sold shares under a 10b5-1 plan.

  • 4D Molecular Therapeutics, Inc.

    Biotech firm listed under ticker 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.

Related articles

$FDMTMedAI 8/10

4D Molecular Therapeutics, Inc. (the “Company”) reported that the first patients have been enrolled across multiple sites in the 4SIGHT Phase 3 clinical…

4D Molecular Therapeutics, Inc. (FDMT) filed an SEC Form 8-K — Other Events. Item 8.01 Other Events. On September 28, 2026, 4D Molecular Therapeutics, Inc. (the “Company”) reported that the first patients have been enrolled across multiple sites in the 4SIGHT Phase 3 clinical trial evaluating 4D-150 for the treatment of diabetic macular edema (“DME”). The

$FDMTMed

Top Biotech Gainers: FDMT, OABI, ACXP Rally On Pipeline And Regulatory News

Biotech gainers were led by 4D Molecular Therapeutics (FDMT), up over 12%, after Phase 3 enrollment progress for 4D-150 in wet AMD and other pipeline updates, plus a $200M credit facility. OmniAb (OABI) rose over 11% on an Eli Lilly collaboration and higher 2026 cash guidance. Acurx (ACXP) gained over 14% after FDA conditional acceptance of CIFBEZY as ibezapolstat’s brand name.

$FDMTMed

4D Molecular Therapeutics, Inc. (FDMT): Results of Operations and Financial Condition

4D Molecular Therapeutics, Inc. (FDMT) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 4DMT Reports Second Quarter 2026 Financial Results, Operational Highlights and Expected Upcoming Milestones • Completed enrollment for 4D-150 4FRONT-2 wet AMD Phase 3; topline data expected in H2 2027 • 4D-150 4FRONT-1 Phase 3 topline data expected in Q2 2027 • Prese