ATEC
insider transactionsAlphatec Holdings, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 30d
-6.0K
0 buy · 6.0K sell
Net value · 30d
-$48.5K
$0 in · $48.5K out
Sentiment · 30d
Net selling
0% buying · 100% selling
Open-market trades · 30d
1
0 buy · 6.0K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Sell·S
Director · 10b5-1
$48.5K
6.0K sh · $8.01
Own -6%
-
Grant·A
Director
$0
32.0K sh
Own +9%
-
Grant·A
Director
$0
32.0K sh
Own +6%
-
Grant·A
Director
$0
32.0K sh
Own +8%
-
Grant·A
Director
$0
32.0K sh
Own +5%
-
Grant·A
Director
$0
32.0K sh
Own +14%
-
Grant·A
Director · 10b5-1
$0
32.0K sh
Own +47%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 11, 2026 | Karen K Mcginnis 10b5-1 | Sell S | 6.0K | $48.5K |
| Jun 10, 2026 | David R Pelizzon | Grant A | 32.0K | $0 |
| Jun 10, 2026 | Quentin S. Blackford | Grant A | 32.0K | $0 |
| Jun 10, 2026 | David M Demski | Grant A | 32.0K | $0 |
| Jun 10, 2026 | Mortimer Berkowitz III | Grant A | 32.0K | $0 |
| Jun 10, 2026 | Keith Valentine | Grant A | 32.0K | $0 |
| Jun 10, 2026 | Karen K Mcginnis 10b5-1 | Grant A | 32.0K | $0 |
About ATEC insider trading
This page tracks insider transactions for Alphatec Holdings, Inc. (ATEC) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.