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sellWeak10b5-1 plan

Jeffrey W Dunn sold $378k of SIBN

director at SI-BONE, Inc.. 20,000 shares at an average of $18.91, traded Sep 1, 2026, filed Sep 3, 2026.

Warning score
16
Value
$378k
20,000 shares
Holdings after
16,057
-55% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $378k at market
    +16
  • Share of holdings sold
    Sold 55% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

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.

SIBNOct 9, 2026 · close 19.37
Since filing Sep 3, 2026: +3.9%SPY +0.9% · excess +3.0%

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 0001035986-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 1, 2026MOption exercise
Common Stock10b5-1
+18,633$4.68$87k34,69040 d ago
Sep 1, 2026MOption exercise
Common Stock10b5-1
+1,367$4.68$6,39836,05740 d ago
Sep 1, 2026SOpen-market sale
Common Stock10b5-1
-18,633$18.91$352k17,42440 d ago
Sep 1, 2026SOpen-market sale
Common Stock10b5-1
-1,367$18.91$26k16,05740 d ago
Sep 1, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,367$0.00$0104,89340 d ago
Sep 1, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-18,633$0.00$086,26040 d ago

Related signals

Other insiders at SI-BONE, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
20Weak
SIBNsell 310b5-1
SI-BONE, Inc.
Anshul Maheshwari
Chief Op & Financial Officer
$94k
5,049 shares
-2%
37Weak
SIBNsell 3
SI-BONE, Inc.
Michael A. Pisetsky
SVP, Ops & Adm/Chief Legal Ofr
$57k
3,133 shares
-1%
30Weak
SIBNsell 310b5-1
SI-BONE, Inc.
Jeffrey W Dunn
director
$369k
20,000 shares
-55%
35Weak
SIBNsell 2
SI-BONE, Inc.
Jeffrey W Dunn
director
$55k
3,575 shares
-18%
25Weak
SIBNsell 5
SI-BONE, Inc.
Timothy E Davis JR
director
$104k
7,280 shares
-10%
52Moderate
SIBNsell 5
SI-BONE, Inc.
Laura Francis
Chief Executive Officer
$220k
14,957 shares
-3%
45Moderate
SIBNsell 5
SI-BONE, Inc.
Anshul Maheshwari
Chief Financial Officer
$69k
4,666 shares
-2%
37Weak
SIBNsell 5
SI-BONE, Inc.
Michael A. Pisetsky
SVP, Ops & Adm/Chief Legal Ofr
$55k
3,726 shares
-1%
30Weak
SIBNsell 4
SI-BONE, Inc.
Jeffrey W Dunn
director
$4,432
337 shares
-4%
36Weak
SIBNsell 2
SI-BONE, Inc.
Anshul Maheshwari
Chief Financial Officer
$43k
3,318 shares
-1%

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.

Jeffrey W Dunn sold $378k of SIBN | InsiderTell