Armstrong Mac
CEO and Chairman
Armstrong Mac has filed 19 SEC Form 4 filings (62 transaction rows) across 1 company, with disclosures dating back to 2025. 19 of those filings fall inside the rolling window. Most recent filing: Aug 24, 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 19 open-market sales totaling $17.7M 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
$17.7M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| PLMR | CEO and Chairman | Sale | 3,500 | $457K | Aug 24 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,500 | $480K | Jul 22 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 60,741 | $8.0M | Jul 17 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,500 | $395K | Jun 24 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,500 | $400K | May 22 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,500 | $458K | Apr 22 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,197 | $414K | Apr 17 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,500 | $422K | Mar 25 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $613K | Feb 13 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,399 | $659K | Feb 2 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 2,205 | $268K | Feb 2 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 11,484 | $1.4M | Jan 30 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $645K | Jan 22 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 2,310 | $300K | Jan 20 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $681K | Dec 23 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $614K | Nov 24 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $577K | Oct 22 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 3,218 | $374K | Oct 17 | SEC ↗ | |
| PLMR | CEO and Chairman | Sale | 5,000 | $580K | Sep 24 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Armstrong Mac made?
Armstrong Mac has filed 19 SEC Form 4 filings (62 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 Aug 24, 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 $17.7M 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.