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sellModerate cluster of 310b5-1 plan

Patrick Miles sold $4.7M of ATEC

CEO at Alphatec Holdings, Inc.. 300,000 shares at an average of $15.73, traded Sep 2, 2025, filed Sep 4, 2025.

Warning score
45
Value
$4.7M
300,000 shares
Holdings after
5,564,078
-5% from before
From 52-week low
+215%
low $4.98, close $15.68
From 52-week high
-3%
high $16.18, as of Sep 2, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $4.7M at market
    +25
  • Share of holdings sold
    Sold 5.1% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +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.

ATECOct 9, 2026 · close 10.67
Since filing Sep 4, 2025: -35.5%SPY +21.6% · excess -57.1%

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 0001415889-25-023753, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-300,000$15.73$4.7M5,564,078Sep 4, 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%
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%
3Weak
ATECsell 210b5-1
Alphatec Holdings, Inc.
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
$18k
1,500 shares
-0%

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.

Patrick Miles sold $4.7M of ATEC | InsiderTell