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sellWeak10b5-1 plan

Karen K McGinnis sold $48k of ATEC

director at Alphatec Holdings, Inc.. 6,050 shares at an average of $8.01, traded Jun 11, 2026, filed Jun 12, 2026.

Warning score
12
Value
$48k
6,050 shares
Holdings after
94,671
-6% from before
From 52-week low
+16%
low $6.99, close $8.13
From 52-week high
-64%
high $22.68, as of Jun 11, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $48k at market
    +7
  • Share of holdings sold
    Sold 6.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • Role exit
    The filing reports the insider leaving
    +10
  • 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 Jun 12, 2026: +28.9%SPY +5.4% · excess +23.4%

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 0001188264-26-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 10, 2026AGrant or award
Common Stock10b5-1
+32,012$0.00$0100,721Jun 12, 2026
Jun 11, 2026SOpen-market sale
Common Stock10b5-1
-6,050$8.01$48k94,671Jun 12, 2026

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%
4Weak
ATECsell10b5-1
Alphatec Holdings, Inc.
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
$79k
8,168 shares
-1%
58Moderate
ATECbuy
Alphatec Holdings, Inc.
Keith Valentine
director
$996k
135,000 shares
+139%
47Moderate
ATECsell 510b5-1
Alphatec Holdings, Inc.
John Todd Koning
CHIEF FINANCIAL OFFICER
$986k
79,789 shares
-12%
65Notable
ATECsell 5
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$3.2M
260,535 shares
-24%
40Moderate
ATECsell 510b5-1
Alphatec Holdings, Inc.
David Sponsel
EVP, SALES
$2.0M
163,452 shares
-24%
35Weak
ATECsell 510b5-1
Alphatec Holdings, Inc.
Craig E Hunsaker
EVP, PEOPLE & CULTURE
$1.4M
116,367 shares
-6%
40Moderate
ATECsell 510b5-1
Alphatec Holdings, Inc.
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
$1.1M
88,835 shares
-14%
31Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
David Sponsel
EVP, SALES
$833k
60,425 shares
-15%
22Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
Craig E Hunsaker
EVP, PEOPLE & CULTURE
$550k
37,358 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.

Karen K McGinnis sold $48k of ATEC | InsiderTell