Booth Bruce sold $3.3M of KYMR (indirect holdings)

Booth Bruce sold 31,798 indirectly-held shares of Kymera Therapeutics, Inc. (KYMR) at an average of $103.75 ($103.42–$104.38, $3.30M total) across 4 trades on 2026-06-22 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Booth Bruce
Published Jun 23, 2026, 1:02 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 23, 2026, 1:32 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
$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

The newest actionable element is the disclosed sale size ($3.3M), execution date, and the fact it was conducted under a pre-arranged 10b5-1 plan.

02

Market read

Traders may monitor KYMR for any follow-on insider activity or unusual volume, but this single 10b5-1 sale is unlikely to drive a major repricing by itself.

03

What to watch

The filing does not disclose reasons for the sale; without concurrent operational/regulatory/clinical updates, traders should avoid extrapolating fundamentals from this alone.

Relevance 5/10Novelty 5/10Timing: filed/printed on 2026-06-22 after-hours; reflects sale executed that day

Background

The article is an SEC Form 4 insider transaction: director Booth Bruce sold KYMR shares in multiple trades on 2026-06-22.

Company-level read

Ticker impact

$KYMRNeutralMedium confidence
Context

Kymera Therapeutics director Booth Bruce sold $3.3M of KYMR via an open-market sale under a pre-arranged 10b5-1 plan on 2026-06-22.

Expected impact

Likely limited, short-lived sentiment impact; any move should be small versus broader tape unless paired with other catalysts.

Evidence & confidence

Form 4 provides a primary datapoint (sale size and timing) but the transaction is explicitly under a pre-arranged 10b5-1 plan, reducing interpretive weight for directional fundamental change.

Market effects

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

None indicated; US-listed biotech insider sale only.

None indicated.

Counterpoint

Because the sale is under a pre-arranged 10b5-1 plan, it may be routine liquidity rather than a bearish signal.

Key entities

  • Kymera Therapeutics, Inc.

    Subject of the Form 4 insider sale disclosure (KYMR).

  • Booth Bruce

    Director who executed the open-market sale 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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