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sellWeak10b5-1 plan

Mac Armstrong sold $422k of PLMR

CEO and Chairman at Palomar Holdings, Inc.. 3,500 shares at an average of $120.58, traded Mar 23, 2026, filed Mar 25, 2026.

Warning score
21
Value
$422k
3,500 shares
Holdings after
339,888
-1% from before
From 52-week low
+10%
low $109.52, close $120.08
From 52-week high
-31%
high $175.06, as of Mar 23, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $422k at market
    +16
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +3.5%, 3m -2.4%, 6m +4.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PLMROct 9, 2026 · close 130.76
Since filing Mar 25, 2026: +7.7%SPY +19.1% · excess -11.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001214659-26-003787, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 23, 2026SOpen-market sale
Common Stockindirect: By Armstrong Family Trust10b5-1
-400$118.33$47k342,988Mar 25, 2026
Mar 23, 2026SOpen-market sale
Common Stockindirect: By Armstrong Family Trust10b5-1
-500$119.47$60k342,488Mar 25, 2026
Mar 23, 2026SOpen-market sale
Common Stockindirect: By Armstrong Family Trust10b5-1
-1,622$120.78$196k340,866Mar 25, 2026
Mar 23, 2026SOpen-market sale
Common Stockindirect: By Armstrong Family Trust10b5-1
-978$121.74$119k339,888Mar 25, 2026

Related signals

Other insiders at Palomar Holdings, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
22Weak
PLMRsell10b5-1
Palomar Holdings, Inc.
Mac Armstrong
CEO and Chairman
$472k
3,500 shares
-1%
10Weak
PLMRbuy
Palomar Holdings, Inc.
Daryl Bradley
director
$135
1 shares
+0%
37Weak
PLMRsell 410b5-1
Palomar Holdings, Inc.
Mac Armstrong
CEO and Chairman
$457k
3,500 shares
-1%
28Weak
PLMRsell 4
Palomar Holdings, Inc.
Jon Christianson
President
$67k
528 shares
-1%
21Weak
PLMRsell 4
Palomar Holdings, Inc.
Jonathan Knutzen
Chief Risk Officer
$38k
296 shares
-1%
32Weak
PLMRsell 4
Palomar Holdings, Inc.
T Christopher Uchida
Chief Financial Officer
$101k
791 shares
-5%
41Moderate
PLMRsell 3
Palomar Holdings, Inc.
Rodolphe Herve
Chief Operating Officer
$163k
1,207 shares
-31%
38Weak
PLMRsell 310b5-1
Palomar Holdings, Inc.
Mac Armstrong
CEO and Chairman
$480k
3,500 shares
-1%
16Weak
PLMRsell 310b5-1
Palomar Holdings, Inc.
Jon Christianson
President
$419k
3,000 shares
-4%
63Notable
PLMRsell 2
Palomar Holdings, Inc.
Mac Armstrong
CEO and Chairman
$8.0M
60,741 shares
-56%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mac Armstrong sold $422k of PLMR | InsiderTell