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 · 365d
-777.8K
135.0K buy · 912.8K sell
Net value · 365d
-$11.3M
$996.2K in · $12.3M out
Sentiment · 365d
Net selling
7% buying · 93% selling
Open-market trades · 365d
13
135.0K buy · 912.8K 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%
-
Buy·P
Director
$245.0K
35.0K sh · $7.00
Own +18%
-
Buy·P
Director
$330.6K
43.8K sh · $7.54
Own +29%
-
Buy·P
Director
$420.6K
56.2K sh · $7.49
Own +58%
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$0
60.0K sh
Own New
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$0
12.5K sh
Own New
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$0
15.0K sh
Own New
-
Other·F
GENERAL COUNSEL & CORP. SEC.
$258.0K
23.4K sh · $11.03
Own -4%
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$161.4K
60.0K sh · $2.69
Own +10%
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$41.8K
12.5K sh · $3.34
Own +2%
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$25.2K
15.0K sh · $1.68
Own +3%
-
Exercise·M
GENERAL COUNSEL & CORP. SEC.
$29.7K
15.0K sh · $1.98
Own +3%
-
Sell·S
CHIEF OPERATING OFFICER
$3.2M
260.5K sh · $12.30
Own -24%
-
Sell·S
John Todd Koning KEY
CHIEF FINANCIAL OFFICER · 10b5-1
$986.2K
79.8K sh · $12.36
Own -12%
-
Sell·S
EVP, SALES · 10b5-1
$2.0M
163.5K sh · $12.52
Own -24%
-
Other·G
EVP, PEOPLE & CULTURE · 10b5-1
$0
600 sh
Own -0%
-
Sell·S
EVP, PEOPLE & CULTURE · 10b5-1
$1.0M
82.8K sh · $12.45
Own -5%
-
Sell·S
EVP, PEOPLE & CULTURE · 10b5-1
$410.6K
33.6K sh · $12.22
Own -2%
-
Other·F
John Todd Koning KEY
CHIEF FINANCIAL OFFICER
$866.2K
68.9K sh · $12.57
Own -9%
-
Sell·S
GENERAL COUNSEL & CORP. SEC. · 10b5-1
$1.1M
88.8K sh · $12.49
Own -14%
-
Other·F
Patrick Miles KEY
CEO
$2.8M
219.7K sh · $12.57
Own -4%
-
Grant·A
CHIEF OPERATING OFFICER
$0
63.7K sh
Own New
-
Grant·A
CHIEF OPERATING OFFICER
—
21.0K sh
Own +2%
-
Grant·A
CHIEF OPERATING OFFICER
$0
127.4K sh
Own +14%
-
Grant·A
CHIEF OPERATING OFFICER
$0
311.1K sh
Own +50%
-
Grant·A
John Todd Koning KEY
CHIEF FINANCIAL OFFICER
$0
55.2K sh
Own New
-
Grant·A
John Todd Koning KEY
CHIEF FINANCIAL OFFICER
—
20.4K sh
Own +3%
-
Grant·A
John Todd Koning KEY
CHIEF FINANCIAL OFFICER
$0
110.4K sh
Own +18%
-
Grant·A
John Todd Koning KEY
CHIEF FINANCIAL OFFICER
$0
205.1K sh
Own +50%
-
Grant·A
EVP, SALES
$0
46.7K sh
Own New
-
Grant·A
EVP, SALES
—
20.4K sh
Own +3%
-
Grant·A
EVP, SALES
$0
93.4K sh
Own +17%
-
Grant·A
EVP, SALES
$0
205.1K sh
Own +59%
-
Grant·A
GENERAL COUNSEL & CORP. SEC.
$0
42.5K sh
Own New
-
Grant·A
GENERAL COUNSEL & CORP. SEC.
—
12.8K sh
Own +2%
-
Grant·A
GENERAL COUNSEL & CORP. SEC.
$0
84.9K sh
Own +15%
-
Grant·A
GENERAL COUNSEL & CORP. SEC.
$0
205.1K sh
Own +59%
-
Grant·A
EVP, PEOPLE & CULTURE
$0
63.7K sh
Own New
-
Grant·A
EVP, PEOPLE & CULTURE
—
21.0K sh
Own +1%
-
Grant·A
EVP, PEOPLE & CULTURE
$0
127.4K sh
Own +8%
-
Grant·A
EVP, PEOPLE & CULTURE
$0
311.1K sh
Own +22%
-
Grant·A
Patrick Miles KEY
CEO
$0
152.9K sh
Own New
-
Grant·A
Patrick Miles KEY
CEO
—
48.9K sh
Own +1%
-
Grant·A
Patrick Miles KEY
CEO
$0
305.7K sh
Own +5%
-
Grant·A
Patrick Miles KEY
CEO
$0
611.7K sh
Own +12%
-
Exercise·M
EVP, PEOPLE & CULTURE
$0
21.0K sh
Own +25%
-
Exercise·M
EVP, PEOPLE & CULTURE
$0
78.2K sh
Own New
-
Exercise·M
EVP, PEOPLE & CULTURE
$0
120.2K sh
Own New
-
Exercise·M
EVP, PEOPLE & CULTURE
$0
31.7K sh
Own New
-
Other·F
EVP, PEOPLE & CULTURE
$538.5K
41.1K sh · $13.10
Own -3%
-
Exercise·M
EVP, PEOPLE & CULTURE
$64.8K
21.0K sh · $3.09
Own +1%
-
Exercise·M
EVP, PEOPLE & CULTURE
$210.5K
78.2K sh · $2.69
Own +6%
-
Exercise·M
EVP, PEOPLE & CULTURE
$202.0K
120.2K sh · $1.68
Own +10%
-
Exercise·M
EVP, PEOPLE & CULTURE
$61.2K
31.7K sh · $1.93
Own +3%
-
Sell·S
EVP, SALES · 10b5-1
$833.3K
60.4K sh · $13.79
Own -15%
-
Sell·S
EVP, PEOPLE & CULTURE · 10b5-1
$549.5K
37.4K sh · $14.71
Own -3%
-
Sell·S
Patrick Miles KEY
CEO · 10b5-1
$2.1M
100.0K sh · $21.01
Own -2%
| 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 |
| May 11, 2026 | Keith Valentine | Buy P | 35.0K | $245.0K |
| May 8, 2026 | Keith Valentine | Buy P | 43.8K | $330.6K |
| May 7, 2026 | Keith Valentine | Buy P | 56.2K | $420.6K |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 60.0K | $0 |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 12.5K | $0 |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 15.0K | $0 |
| Apr 7, 2026 | Tyson Eliot Marshall | Other F | 23.4K | $258.0K |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 60.0K | $161.4K |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 12.5K | $41.8K |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 15.0K | $25.2K |
| Apr 7, 2026 | Tyson Eliot Marshall | Exercise M | 15.0K | $29.7K |
| Mar 13, 2026 | Scott Lish | Sell S | 260.5K | $3.2M |
| Mar 13, 2026 | John Todd Koning KEY 10b5-1 | Sell S | 79.8K | $986.2K |
| Mar 11, 2026 | David Sponsel 10b5-1 | Sell S | 163.5K | $2.0M |
| Mar 9, 2026 | Craig E Hunsaker 10b5-1 | Other G | 600 | $0 |
| Mar 9, 2026 | Craig E Hunsaker 10b5-1 | Sell S | 82.8K | $1.0M |
| Mar 6, 2026 | Craig E Hunsaker 10b5-1 | Sell S | 33.6K | $410.6K |
| Mar 5, 2026 | John Todd Koning KEY | Other F | 68.9K | $866.2K |
| Mar 5, 2026 | Tyson Eliot Marshall 10b5-1 | Sell S | 88.8K | $1.1M |
| Mar 5, 2026 | Patrick Miles KEY | Other F | 219.7K | $2.8M |
| Feb 25, 2026 | Scott Lish | Grant A | 63.7K | $0 |
| Feb 25, 2026 | Scott Lish | Grant A | 21.0K | — |
| Feb 25, 2026 | Scott Lish | Grant A | 127.4K | $0 |
| Feb 25, 2026 | Scott Lish | Grant A | 311.1K | $0 |
| Feb 25, 2026 | John Todd Koning KEY | Grant A | 55.2K | $0 |
| Feb 25, 2026 | John Todd Koning KEY | Grant A | 20.4K | — |
| Feb 25, 2026 | John Todd Koning KEY | Grant A | 110.4K | $0 |
| Feb 25, 2026 | John Todd Koning KEY | Grant A | 205.1K | $0 |
| Feb 25, 2026 | David Sponsel | Grant A | 46.7K | $0 |
| Feb 25, 2026 | David Sponsel | Grant A | 20.4K | — |
| Feb 25, 2026 | David Sponsel | Grant A | 93.4K | $0 |
| Feb 25, 2026 | David Sponsel | Grant A | 205.1K | $0 |
| Feb 25, 2026 | Tyson Eliot Marshall | Grant A | 42.5K | $0 |
| Feb 25, 2026 | Tyson Eliot Marshall | Grant A | 12.8K | — |
| Feb 25, 2026 | Tyson Eliot Marshall | Grant A | 84.9K | $0 |
| Feb 25, 2026 | Tyson Eliot Marshall | Grant A | 205.1K | $0 |
| Feb 25, 2026 | Craig E Hunsaker | Grant A | 63.7K | $0 |
| Feb 25, 2026 | Craig E Hunsaker | Grant A | 21.0K | — |
| Feb 25, 2026 | Craig E Hunsaker | Grant A | 127.4K | $0 |
| Feb 25, 2026 | Craig E Hunsaker | Grant A | 311.1K | $0 |
| Feb 25, 2026 | Patrick Miles KEY | Grant A | 152.9K | $0 |
| Feb 25, 2026 | Patrick Miles KEY | Grant A | 48.9K | — |
| Feb 25, 2026 | Patrick Miles KEY | Grant A | 305.7K | $0 |
| Feb 25, 2026 | Patrick Miles KEY | Grant A | 611.7K | $0 |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 21.0K | $0 |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 78.2K | $0 |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 120.2K | $0 |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 31.7K | $0 |
| Feb 12, 2026 | Craig E Hunsaker | Other F | 41.1K | $538.5K |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 21.0K | $64.8K |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 78.2K | $210.5K |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 120.2K | $202.0K |
| Feb 12, 2026 | Craig E Hunsaker | Exercise M | 31.7K | $61.2K |
| Feb 5, 2026 | David Sponsel 10b5-1 | Sell S | 60.4K | $833.3K |
| Feb 3, 2026 | Craig E Hunsaker 10b5-1 | Sell S | 37.4K | $549.5K |
| Jan 5, 2026 | Patrick Miles KEY 10b5-1 | Sell S | 100.0K | $2.1M |
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.