Form 4: Palomar CEO Mac Armstrong Sells Shares

Palomar Holdings CEO and Chairman Mac Armstrong sold 3,500 shares of company stock via a pre-arranged 10b5-1 trading plan.

Summary

• CEO and Chairman Mac Armstrong sold a total of 3,500 shares of Palomar Holdings, Inc. (PLMR) common stock on April 21, 2026.
• The sales were executed in three tranches at weighted average prices of $129.9052, $131.1113, and $131.7333.
• The transactions were conducted through the Armstrong Family Trust.
• The sales were made pursuant to a Rule 10b5-1 trading plan, which allows insiders to set up a predetermined schedule for selling stocks to avoid concerns about insider trading.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was conducted via a pre-arranged 10b5-1 plan, which is standard practice for executive financial planning.

Positives

• The sale was executed under a pre-planned Rule 10b5-1 trading plan, indicating the transaction was scheduled in advance rather than based on non-public information.

Negatives

• The sale represents a reduction in the CEO's indirect beneficial ownership of company stock.

Risks

• Insider selling can sometimes be perceived negatively by the market as a signal of management's view on the company's valuation.

Future Outlook

No specific forward-looking guidance regarding company operations was provided in this filing.

Industry Context

StockSavvy.ai notes that insider selling by high-level executives is a common practice for liquidity and diversification purposes, particularly when executed through pre-planned 10b5-1 programs.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for corporate executives to manage equity holdings while maintaining regulatory compliance.

Related Party Transactions

• The shares were sold by the Armstrong Family Trust, an entity associated with the CEO.

Stakeholder Impact

• Minimal impact expected as the sale was pre-planned and represents a small portion of the CEO's total holdings.

Next Steps

• Continued monitoring of future Form 4 filings for further insider activity.

Key Dates

Keywords

Palomar Holdings, PLMR, Insider Trading, Form 4, Mac Armstrong, Stock Sale