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Mac Armstrong

CEO and Chairman · Palomar Holdings

Mac Armstrong (CEO and Chairman) filed 17 Form 4 reports in the trailing twelve months (0 purchases, 17 sales), most often in Palomar Holdings, Inc. (PLMR). The largest single filing was $8.0M of PLMR (60,741 sh across 2 lots, as filed), executed Jul 15. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
17
0 buys · 17 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$16.0M
shares × price, as filed
Last traded
Oct 21
Filed Oct 22

Median ADV $37.6M across their filed names

Open performance→
Volume by month
$8.4M$4.2M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2024 · sells $721KJan 2025 · sells $2.1MFeb 2025 · sells $234KMar 2025 · sells $1.2MApr 2025 · sells $962KMay 2025 · sells $810KJun 2025 · sells $791KJul 2025 · sells $991KAug 2025 · sells $558KSep 2025 · sells $580KOct 2025 · sells $943KNov 2025 · sells $493KDec 2025 · sells $680KJan 2026 · sells $2.3MFeb 2026 · sells $1.3MMar 2026 · sells $315KApr 2026 · sells $783KMay 2026 · sells $400KJun 2026 · sells $395KJul 2026 · sells $8.4MAug 2026 · sells $409KSep 2026 · sells $472KOct 2026 · sells $484K
Buys $0 Sells $26.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Financial Services 17 filings

Sector per market data · by filing · past 12 months

Most traded names
PLMR Palomar Holdings, Inc. PLMR · 0 buys · 37 sells 37 filings
Recent filings
PLMRSALE Palomar Holdings, Inc. View filing → $493K
4,000 sh across 2 lots
Exec Nov 21 2025
Filed Nov 24 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $569K
4,937 sh across 2 lots
Exec Oct 21 2025
Filed Oct 22 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $374K
3,218 sh × $116.10
Exec Oct 15 2025
Filed Oct 17 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $580K
5,000 sh across 2 lots
Exec Sep 22 2025
Filed Sep 24 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $558K
4,400 sh across 2 lots
Exec Aug 21 2025
Filed Aug 21 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $534K
3,800 sh across 2 lots
Exec Jul 21 2025
Filed Jul 22 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $457K
3,191 sh × $143.10
Exec Jul 15 2025
Filed Jul 16 2025 · 5:30 PM ET
PLMRSALE Palomar Holdings, Inc. View filing → $791K
5,000 sh × $158.14
Exec Jun 23 2025
Filed Jun 25 2025 · 5:30 PM ET
More filings →