Mac Armstrong Insider Trades & Stock Holdings

CEO and Chairman · PLMR · Latest filing Jun 22, 2026

Mac Armstrong, CEO and Chairman at PLMR has 1 Form 4 trade on file since Jun 22, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($395.36K), net -$395.36K. Latest filing: disposed of 3.50K shares of $PLMR on Jun 22, 2026 at $112.96.

Trades on file

1

Open-market bought

$0

Open-market sold

$395.36K

Net open-market

-$395.36K

Latest filing

Jun 22, 2026

All insider trades by Mac Armstrong

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 22, 2026	$PLMR	Sell (Open-market sale) 10b5-1	3.50K	$112.96	$395.36K						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 Mac Armstrong traded

• $PLMR

Frequently asked questions

Has Mac Armstrong been buying or selling stock?

Mac Armstrong has 0 open-market purchases and 1 open-market sale on file, net -$395.36K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Mac Armstrong's latest insider trade?

disposed of 3.50K shares of $PLMR on Jun 22, 2026 at $112.96.

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.