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sellWeak cluster of 310b5-1 plan

David Sponsel sold $414k of ATEC

EVP, SALES at Alphatec Holdings, Inc.. 36,256 shares at an average of $11.42, traded Feb 3, 2025, filed Feb 4, 2025.

Warning score
26
Value
$414k
36,256 shares
Holdings after
735,074
-5% from before
From 52-week low
+130%
low $4.98, close $11.46
From 52-week high
-5%
high $12.06, as of Feb 3, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $414k at market
    +16
  • Share of holdings sold
    Sold 4.7% 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.

This signal so far: 1m -11.0%, 3m +0.2%, 6m +26.4%.

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 4, 2025: -12.1%SPY +31.8% · excess -43.9%

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 0001415889-25-003036, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 3, 2025SOpen-market sale
Common Stock10b5-1
-36,256$11.42$414k735,074Feb 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%
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 $414k of ATEC | InsiderTell