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sellWeak cluster of 510b5-1 plan

Craig E Hunsaker sold $1.4M of ATEC

EVP, PEOPLE & CULTURE at Alphatec Holdings, Inc.. 116,367 shares at an average of $12.38, traded Mar 6, 2026, filed Mar 10, 2026.

Warning score
35
Value
$1.4M
116,367 shares
Holdings after
1,726,209
-6% from before
From 52-week low
+32%
low $9.27, close $12.23
From 52-week high
-46%
high $22.68, as of Mar 6, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 6.3% 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.

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 Mar 10, 2026: -14.7%SPY +15.9% · excess -30.6%

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 0001509282-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-33,602$12.22$411k1,808,974Mar 10, 2026
Mar 9, 2026SOpen-market sale
Common Stock10b5-1
-82,765$12.45$1.0M1,726,209Mar 10, 2026
Mar 9, 2026GGift
Common Stock10b5-1
-600$0.00$01,725,609Mar 10, 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%
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%
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%
30Weak
ATECsell10b5-1
Alphatec Holdings, Inc.
Patrick Miles
CEO
$2.1M
100,000 shares
-2%
55Moderate
ATECsell 9
Alphatec Holdings, Inc.
David R Pelizzon
director
$4.9M
250,000 shares
-2%
31Weak
ATECsell 910b5-1
Alphatec Holdings, Inc.
Scott Lish
CHIEF OPERATING OFFICER
$391k
19,900 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.

Craig E Hunsaker sold $1.4M of ATEC | InsiderTell