Armstrong Mac

CEO and Chairman

Armstrong Mac has filed 21 SEC Form 4 filings (67 transaction rows) across 1 company, with disclosures dating back to 2025. 18 of those filings fall inside the rolling window. Most recent filing: Oct 22, 2026.

On the most recent filing, Armstrong Mac is listed as CEO and Chairman at Palomar Holdings, Inc. Inside the rolling window, Armstrong Mac reported no open-market purchases and 18 open-market sales totaling $17.1M in PLMR. The largest disclosed transaction in the window is a sale of 60,741 PLMR shares on Jul 15, 2026, worth $8.0M.

Companies traded

Other insiders at PLMR

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$17.1M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
PLMRSale$484KOct 22SEC ↗
PLMRSale$472KSep 22SEC ↗
PLMRSale$457KAug 24SEC ↗
PLMRSale$480KJul 22SEC ↗
PLMRSale$8.0MJul 17SEC ↗
PLMRSale$395KJun 24SEC ↗
PLMRSale$400KMay 22SEC ↗
PLMRSale$458KApr 22SEC ↗
PLMRSale$414KApr 17SEC ↗
PLMRSale$422KMar 25SEC ↗
PLMRSale$613KFeb 13SEC ↗
PLMRSale$659KFeb 2SEC ↗
PLMRSale$268KFeb 2SEC ↗
PLMRSale$1.4MJan 30SEC ↗
PLMRSale$645KJan 22SEC ↗
PLMRSale$300KJan 20SEC ↗
PLMRSale$681KDec 23SEC ↗
PLMRSale$614KNov 24SEC ↗
Showing 1–18 of 18
1 / 1

Earlier trades

Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.

DateTickerTypeValue
Oct 21, 2025PLMRSale$335K
Oct 21, 2025PLMRSale$234K
Oct 21, 2025PLMRSale$7K
Oct 15, 2025PLMRSale$374K
Sep 22, 2025PLMRSale$314K
Sep 22, 2025PLMRSale$266K
Showing 1–6 of 6
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Armstrong Mac made?

Armstrong Mac has filed 21 SEC Form 4 filings (67 transaction rows) across 1 company since 2025.

Which companies does Armstrong Mac trade?

Armstrong Mac has filed SEC Form 4 disclosures for 1 company, including PLMR.

When was Armstrong Mac's most recent SEC Form 4 filing?

Armstrong Mac's most recent SEC Form 4 filing on Tracefour is dated Oct 22, 2026.

What is Armstrong Mac's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Armstrong Mac is listed as CEO and Chairman.

What is Armstrong Mac's total buy and sell value in the current window?

Inside the rolling retention window, Armstrong Mac bought $0 and sold $17.1M based on SEC Form 4 filings.

What was Armstrong Mac's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 60,741 PLMR shares on 2026-07-15, worth $8.0M, per SEC Form 4 filings.