Mac Armstrong
CEO and Chairman at Palomar Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Palomar Holdings Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Palomar Holdings Inc. May 22, 202594.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 21, 2026 | Palomar Holdings Inc. | Open-market sale | −1,135 | $137.60 | $156,181 |
| Oct 21, 2026 | Palomar Holdings Inc. | Open-market sale | −1,565 | $138.35 | $216,519 |
| Oct 21, 2026 | Palomar Holdings Inc. | Open-market sale | −800 | $139.25 | $111,397 |
| Sep 21, 2026 | Palomar Holdings Inc. | Open-market sale | −2,100 | $134.60 | $282,660 |
| Sep 21, 2026 | Palomar Holdings Inc. | Open-market sale | −1,400 | $135.57 | $189,798 |
| Aug 21, 2026 | Palomar Holdings Inc. | Open-market sale | −369 | $129.65 | $47,841 |
| Aug 21, 2026 | Palomar Holdings Inc. | Open-market sale | −2,339 | $130.49 | $305,216 |
| Aug 21, 2026 | Palomar Holdings Inc. | Open-market sale | −792 | $131.37 | $104,045 |
| Jul 21, 2026 | Palomar Holdings Inc. | Open-market sale | −2,103 | $136.70 | $287,480 |
| Jul 21, 2026 | Palomar Holdings Inc. | Open-market sale | −937 | $137.74 | $129,062 |
| Jul 21, 2026 | Palomar Holdings Inc. | Open-market sale | −260 | $138.47 | $36,002 |
| Jul 21, 2026 | Palomar Holdings Inc. | Open-market sale | −200 | $139.43 | $27,886 |
| Jul 15, 2026 | Palomar Holdings Inc. | Option exercise | +6,250 | — | — |
| Jul 15, 2026 | Palomar Holdings Inc. | Open-market sale | −3,197 | $131.66 | $420,917 |
| Jul 15, 2026 | Palomar Holdings Inc. | Option exercise | +112,500 | — | — |
Questions about Mac Armstrong
What boards is Mac Armstrong on?
Mac Armstrong sits on the board of Palomar Holdings Inc.
What company is Mac Armstrong the CEO of?
Mac Armstrong is CEO and Chairman of Palomar Holdings Inc.
How long has Mac Armstrong served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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