Booth Bruce sold $3.4M of KYMR (indirect holdings)

Booth Bruce sold 31,283 indirectly-held shares of Kymera Therapeutics, Inc. (KYMR) at an average of $109.48 ($108.28–$111.20, $3.42M total) across 8 trades on 2026-06-29 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Booth Bruce
Published Jun 30, 2026, 9:32 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 30, 2026, 9:37 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
$KYMR
Neutral
medium confidence
Mentioned
$KYMR
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$KYMRNeutralLow
01

Why it matters

Traders may briefly reassess sentiment around KYMR, but the 10b5-1 structure generally lowers the probability that the sale signals new negative information.

02

Market read

A newly filed insider sale for ~$3.42M is disclosed, but it is pre-arranged (10b5-1), so the actionable signal is modest.

03

What to watch

The article provides only the sale details; it does not include any concurrent buy activity, new guidance, or clinical/regulatory catalysts that would change fundamentals.

Relevance 5/10Novelty 5/10Timing: after-hours/next-session read-through from a just-filed Form 4 (filed 2026-06-30)

Background

The article is an SEC Form 4 insider transaction: director Booth Bruce sold Kymera Therapeutics shares via open-market sales under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$KYMRNeutralMedium confidence
Context

Kymera Therapeutics director Booth Bruce sold 31,283 shares in open-market trades for ~$3.42M under a 10b5-1 plan on 2026-06-29.

Expected impact

Likely limited immediate price impact; any effect would be sentiment-driven and should fade unless accompanied by other catalysts.

Evidence & confidence

The filing is a primary Form 4 disclosure with a defined sale window and explicit 10b5-1 pre-arrangement, reducing interpretive weight versus non-10b5-1 sales.

Market effects

No direct sector read-across; this is company-specific insider transaction disclosure.

None indicated.

None indicated.

Counterpoint

Because the sale is explicitly under a 10b5-1 plan, it may reflect routine liquidity/compensation mechanics rather than bearish expectations.

Key entities

  • Kymera Therapeutics, Inc.

    Subject of the Form 4 insider transaction; director Booth Bruce sold shares under a 10b5-1 plan.

  • Booth Bruce

    Director who executed open-market sales totaling ~$3.42M across 8 trades on 2026-06-29.

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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