Booth Bruce sold $34.8M of KYMR (indirect holdings)

Booth Bruce sold 285,684 indirectly-held shares of Kymera Therapeutics, Inc. (KYMR) at an average of $121.86 ($119.71–$129.61, $34.81M total) across 22 trades on 2026-06-25 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Booth Bruce
Published Jun 26, 2026, 1:56 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 26, 2026, 2:02 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
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$KYMRNeutralLow
01

Why it matters

A director sold 285,684 shares (weighted avg ~$121.86) for ~$34.81M, with holdings after the transaction at 529,718 shares; the sale was executed under a pre-arranged Rule 10b5-1 plan.

02

Market read

Traders may reassess near-term sentiment around KYMR due to the size of the sale, but the 10b5-1 structure suggests limited informational content.

03

What to watch

Indirect holdings and multiple small lots across 22 trades can make the sale look more dramatic than the underlying intent; also consider whether other insiders filed concurrent transactions.

Relevance 6/10Novelty 6/10Timing: SEC Form 4 filed after-hours for 2026-06-25 sale; relevant for next session positioning.

Background

The article is an SEC Form 4 insider transaction disclosure for Kymera Therapeutics, Inc. (KYMR).

Company-level read

Ticker impact

$KYMRNeutralMedium confidence
Context

Kymera Therapeutics director Booth Bruce sold $34.8M of KYMR shares via a 10b5-1 plan on 2026-06-25 at $119.71–$129.61.

Expected impact

Likely limited/short-lived impact; watch for any follow-through selling or unusual volume around the filing date.

Evidence & confidence

The filing is primary-source (SEC Form 4) and transaction size is material, but the presence of a pre-arranged 10b5-1 plan reduces the signal of new information.

Market effects

Minimal sector read-through; this is company-specific insider liquidity rather than a sector-wide catalyst.

None indicated.

None indicated.

Counterpoint

Because it’s a 10b5-1 plan, the sale may be routine; traders may fade any immediate negative reaction and focus on upcoming fundamental catalysts instead.

Key entities

  • Kymera Therapeutics, Inc.

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

  • Booth Bruce

    Director who executed the open-market sale of KYMR shares.

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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