Armstrong Mac Insider Trades & Stock Holdings

CEO and Chairman · Palomar Holdings, Inc. · Latest filing Sep 21, 2026

Armstrong Mac, CEO and Chairman at Palomar Holdings, Inc. has 1 Form 4 trade on file since Sep 21, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($472.44K), net -$472.44K. Latest filing: disposed of 3.50K shares of $PLMR on Sep 21, 2026 at $134.98.

Trades on file

1

Open-market bought

$0

Open-market sold

$472.44K

Net open-market

-$472.44K

Latest filing

Sep 21, 2026

All insider trades by Armstrong Mac

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 21, 2026	$PLMR	Sell (Open-market sale) 10b5-1	3.50K	$134.98	$472.44K						CEO and Chairman		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Armstrong Mac traded

• $PLMR

Frequently asked questions

Has Armstrong Mac been buying or selling stock?

Armstrong Mac has 0 open-market purchases and 1 open-market sale on file, net -$472.44K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Armstrong Mac's latest insider trade?

disposed of 3.50K shares of $PLMR on Sep 21, 2026 at $134.98.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.