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SEC EDGAR$PLMR

Armstrong Mac sold $480K of PLMR (indirect holdings)

Armstrong Mac (CEO and Chairman) sold 3,500 indirectly-held shares of Palomar Holdings, Inc. (PLMR) at an average of $137.26 ($136.70–$139.43, $0.48M total) across 4 trades on 2026-07-21 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Armstrong Mac
Published Jul 22, 2026, 8:15 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 22, 2026, 8:18 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$PLMR
Neutral
high confidence
Mentioned
$PLMR
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$PLMRNeutralLow
01

Why it matters

The newest disclosed fact is the CEO’s open-market sale amount and execution details, with no accompanying company performance or guidance update.

02

Market read

Traders may monitor PLMR for any follow-on insider activity, but this specific disclosure is unlikely to drive a fundamental repricing.

03

What to watch

The filing notes indirect holdings and multiple small lots; without context on total insider ownership changes over time, the signal strength is weak.

Relevance 3/10Novelty 3/10Timing: Filed after-hours on 2026-07-22, covering sales executed on 2026-07-21.

Background

The article is an SEC Form 4 insider transaction report for Palomar Holdings, Inc. (PLMR).

Company-level read

Ticker impact

$PLMRNeutralHigh confidence
Context

Palomar CEO and Chairman Armstrong Mac sold $480,424 of PLMR shares via an open-market sale under a pre-arranged 10b5-1 plan on 2026-07-21.

Expected impact

Likely limited, short-lived sentiment impact; no clear directional catalyst from the filing alone.

Evidence & confidence

The filing is a Form 4 insider transaction, explicitly tied to a pre-arranged 10b5-1 plan, with no accompanying company news, guidance, or operational update.

Market effects

Sector

Minimal, as the disclosure is company-specific and does not indicate sector-wide regulatory or demand changes.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Because the sale is under a pre-arranged 10b5-1 plan, it may reflect scheduled liquidity needs rather than bearish expectations.

Key entities

  • issuer
    Palomar Holdings, Inc.

    Company whose shares were sold by an insider under a 10b5-1 plan.

  • insider
    Armstrong Mac

    CEO and Chairman who executed the open-market sale.

Read at source← All news

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.

PLMR insider trading history →

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