Mac Armstrong Insider Trading Activity
Every SEC Form 4 transaction reported by Mac Armstrong, sourced directly from SEC EDGAR and updated as new filings are accepted.
Quick Answer
Is Mac Armstrong buying or selling?
Mac Armstrong reported 0 open-market buys ($0) and 71 sells ($67.5M) across 71 Form 4 filings at 1 company — a net selling position of $67.5M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 17, 2026)
Insider sentiment
Net sellingNet insider flow of $67.5M in net selling, filed between Sep 28, 2019 – Jul 17, 2026.
Companies Mac Armstrong files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | PLMRPalomar Holdings, Inc. | 71 |
Recent Mac Armstrong transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 17, 2026 | PLMR | CEO and Chairman | Sale | 60.7K | $8.0M |
| Jun 24, 2026 | PLMR | CEO and Chairman | Sale | 3.5K | $395.4K |
| May 22, 2026 | PLMR | CEO and Chairman | Sale | 3.5K | $400.4K |
| Apr 22, 2026 | PLMR | CEO and Chairman | Sale | 3.5K | $457.7K |
| Apr 17, 2026 | PLMR | CEO and Chairman | Sale | 3.2K | $413.9K |
| Mar 25, 2026 | PLMR | CEO and Chairman | Sale | 3.5K | $422.0K |
| Feb 13, 2026 | PLMR | CEO and Chairman | Sale | 5.0K | $613.0K |
| Feb 3, 2026 | PLMR | CEO and Chairman | Sale | 7.6K | $927.4K |
| Jan 30, 2026 | PLMR | CEO and Chairman | Sale | 11.5K | $1.4M |
| Jan 22, 2026 | PLMR | CEO and Chairman | Sale | 5.0K | $645.0K |
| Jan 20, 2026 | PLMR | CEO and Chairman | Sale | 2.3K | $300.3K |
| Dec 23, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $681.1K |
| Nov 24, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $614.3K |
| Oct 22, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $576.5K |
| Oct 17, 2025 | PLMR | CEO and Chairman | Sale | 3.2K | $373.6K |
| Sep 24, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $580.1K |
| Aug 21, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $632.8K |
| Jul 22, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $700.5K |
| Jul 17, 2025 | PLMR | CEO and Chairman | Sale | 3.2K | $456.6K |
| Jun 25, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $790.7K |
| May 22, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $809.8K |
| Apr 23, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $727.0K |
| Apr 17, 2025 | PLMR | CEO and Chairman | Sale | 3.2K | $490.0K |
| Mar 21, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $648.6K |
| Mar 6, 2025 | PLMR | CEO and Chairman | Sale | 5.0K | $646.0K |
Showing the 25 most recent filings of 71. Screen every filing.
Mac Armstrong insider trading FAQ
Is Mac Armstrong buying or selling?
Across 71 SEC Form 4 filings, Mac Armstrong reported 0 open-market purchases totaling $0 and 71 sales totaling $67.5M — a net selling position of $67.5M.
Which companies does Mac Armstrong file Form 4s for?
Mac Armstrong has reported insider transactions at 1 company, most often Palomar Holdings, Inc. (PLMR).
How far back does Mac Armstrong's filing history go?
Trabud holds Mac Armstrong's SEC Form 4 filings from Sep 28, 2019 – Jul 17, 2026, sourced directly from SEC EDGAR.
Where does Trabud get Mac Armstrong's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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