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sellWeak cluster of 510b5-1 plan

David Sponsel sold $341k of ATEC

EVP, SALES at Alphatec Holdings, Inc.. 32,365 shares at an average of $10.54, traded Feb 24, 2025, filed Feb 26, 2025.

Warning score
25
Value
$341k
32,365 shares
Holdings after
702,709
-4% from before
From 52-week low
+116%
low $4.98, close $10.76
From 52-week high
-11%
high $12.14, as of Feb 24, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $341k at market
    +15
  • Share of holdings sold
    Sold 4.4% of holdings
    0
  • Cluster
    5 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.

This signal so far: 1m -7.9%, 3m +12.5%, 6m +46.3%.

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 Feb 26, 2025: -3.5%SPY +33.4% · excess -37.0%

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 0001415889-25-005799, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 24, 2025SOpen-market sale
Common Stock10b5-1
-12,946$10.73$139k722,128Feb 26, 2025
Feb 25, 2025SOpen-market sale
Common Stock10b5-1
-19,419$10.41$202k702,709Feb 26, 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%
4Weak
ATECsell10b5-1
Alphatec Holdings, Inc.
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
$79k
8,168 shares
-1%
12Weak
ATECsell10b5-1
Alphatec Holdings, Inc.
Karen K McGinnis
director
$48k
6,050 shares
-6%
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%

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.

David Sponsel sold $341k of ATEC | InsiderTell