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sellWeak cluster of 210b5-1 plan

John Todd Koning sold $402k of ATEC

CHIEF FINANCIAL OFFICER at Alphatec Holdings, Inc.. 37,500 shares at an average of $10.71, traded Apr 22, 2025, filed Apr 23, 2025.

Warning score
26
Value
$402k
37,500 shares
Holdings after
466,536
-7% from before
From 52-week low
+117%
low $4.98, close $10.83
From 52-week high
-14%
high $12.53, as of Apr 22, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $402k at market
    +16
  • Share of holdings sold
    Sold 7.4% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

ATECOct 9, 2026 · close 10.67
Since filing Apr 23, 2025: -4.8%SPY +47.8% · excess -52.6%

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 0001415889-25-011237, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 22, 2025SOpen-market sale
Common Stock10b5-1
-37,500$10.71$402k466,536Apr 23, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
58Moderate
ATECbuy
Alphatec Holdings, Inc.
Patrick Miles
CEO
$1.0M
115,000 shares
+2%
33Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
David Sponsel
EVP, SALES
$2.1M
140,000 shares
-21%
55Moderate
ATECsell 3
Alphatec Holdings, Inc.
Mortimer Berkowitz III
director
$998k
62,500 shares
-9%
45Moderate
ATECsell 310b5-1
Alphatec Holdings, Inc.
Patrick Miles
CEO
$4.7M
300,000 shares
-5%
18Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$101k
6,323 shares
-1%
26Weak
ATECsell 310b5-1
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$149k
9,302 shares
-1%
34Weak
ATECsell 310b5-1
Alphatec Holdings, Inc.
Craig E Hunsaker
EVP, PEOPLE & CULTURE
$917k
60,876 shares
-4%
26Weak
ATECsell 310b5-1
Alphatec Holdings, Inc.
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
$424k
30,970 shares
-7%
39Weak
ATECsell 310b5-1
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$952k
70,604 shares
-9%
15Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$48k
3,982 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.

John Todd Koning sold $402k of ATEC | InsiderTell