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sellWeak cluster of 510b5-1 plan

Adam Elsesser sold $4.5M of PEN

CEO and President at Penumbra Inc. 16,560 shares at an average of $274.35, traded Apr 16, 2025, filed Apr 18, 2025.

Warning score
35
Value
$4.5M
16,560 shares
Holdings after
63,911
-21% from before
From 52-week low
+49%
low $186.89, close $277.79
From 52-week high
-9%
high $303.76, as of Apr 16, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $4.5M at market
    +25
  • Share of holdings sold
    Sold 21% of holdings
    +5
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 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 +3.7%, 3m -14.9%, 6m -8.0%.

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.

PENOct 12, 2026 · close 320.96
Since filing Apr 21, 2025: +18.6%SPY +53.9% · excess -35.3%

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 0001321732-25-000080, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 16, 2025MOption exercise
Common Stock10b5-1
+27,976$30.00$839k80,471Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-2,244$271.88$610k78,227Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-2,598$272.83$709k75,629Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-2,371$273.56$649k73,258Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-3,858$275.00$1.1M69,400Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-4,284$275.80$1.2M65,116Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-1,105$276.47$305k64,011Apr 18, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-100$277.30$28k63,911Apr 18, 2025
Apr 16, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-27,976$0.00$0279,764Apr 18, 2025

Related signals

Other insiders at Penumbra Inc and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
1Weak
PENsell10b5-1
Penumbra Inc
Harpreet Grewal
director
$33k
100 shares
-1%
30Weak
PENsell10b5-1
Penumbra Inc
Maggie Yuen
Chief Financial Officer
$832k
2,432 shares
-12%
10Weak
PENsell 210b5-1
Penumbra Inc
Harpreet Grewal
director
$58k
186 shares
-2%
30Weak
PENsell 210b5-1
Penumbra Inc
Thomas Wilder
director
$58k
186 shares
-100%
35Weak
PENsell 310b5-1
Penumbra Inc
Arani Bose
director
$4.6M
15,000 shares
-5%
19Weak
PENsell 310b5-1
Penumbra Inc
Johanna Roberts
EVP, Gen. Counsel & Secretary
$90k
300 shares
-0%
15Weak
PENsell 310b5-1
Penumbra Inc
Harpreet Grewal
director
$29k
100 shares
-1%
22Weak
PENsell 310b5-1
Penumbra Inc
Johanna Roberts
EVP, Gen. Counsel & Secretary
$177k
600 shares
-1%
35Weak
PENsell 310b5-1
Penumbra Inc
Arani Bose
director
$2.3M
7,500 shares
-3%
29Weak
PENsell 310b5-1
Penumbra Inc
Johanna Roberts
EVP, Gen. Counsel & Secretary
$540k
1,800 shares
-3%

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.

Adam Elsesser sold $4.5M of PEN | InsiderTell