InsiderFlow

ATEC

Alphatec Holdings, Inc.$7.58+0.01 (+0.20%)
Prev Close$7.57·MCap$1.16B·P/E·Vol1.98M·Yield

Buys (12M)

1

$996.2K

Sells (12M)

46

$65.59M

Net Activity

Net Seller

$64.59M

Active Insiders

13

last 12 mo

Over the past 12 months, insider activity at Alphatec Holdings, Inc. (ATEC) has been dominated by selling, with 1 insider purchase totaling $996.2K and 46 insider sales totaling $65.59M. The most recent insider transaction was by Valentine Keith (director), who purchased $996.2K worth of shares on May 11, 2026. Alphatec Holdings, Inc. operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $1.16B.

ATEC Insider Trading Activity

DateInsiderTypeValue
May 11, 2026 Valentine KeithBuy$996.2K
Mar 17, 2026 Koning John ToddSell$986.2K
Mar 17, 2026 Lish ScottSell$3.20M
Mar 13, 2026 Sponsel DavidSell$2.05M
Mar 10, 2026 Hunsaker Craig ESell$1.44M
Mar 9, 2026 Marshall Tyson EliotSell$1.11M
Feb 12, 2026 Hunsaker Craig ESell$538.5K
Feb 5, 2026 Sponsel DavidSell$833.3K
Feb 3, 2026 Hunsaker Craig ESell$549.5K
Jan 5, 2026 Miles PatrickSell$2.10M
Dec 16, 2025 Lish ScottSell$390.8K
Dec 16, 2025 Pelizzon David RSell$4.92M
Dec 11, 2025 Demski David MSell$636.0K
Dec 10, 2025 Hunsaker Craig ESell$679.1K
Dec 10, 2025 Sponsel DavidSell$438.8K
Dec 8, 2025 Koning John ToddSell$327.5K
Dec 8, 2025 Miles PatrickSell$615.2K
Dec 8, 2025 Pelizzon David RSell$5.30M
Dec 8, 2025 Sponsel DavidSell$21.2K
Dec 5, 2025 Lish ScottSell$233.5K
Dec 5, 2025 Marshall Tyson EliotSell$491.5K
Dec 1, 2025 Miles PatrickSell$2.21M
Nov 24, 2025 Pritzker Jennifer N.Sell$5.16M
Nov 20, 2025 Lish ScottSell$495.0K
Nov 20, 2025 Marshall Tyson EliotSell$1.37M
Nov 12, 2025 Pritzker Jennifer N.Sell$5.20M
Nov 3, 2025 Miles PatrickSell$1.90M
Nov 3, 2025 Rydin Jeffrey PSell$3.86M
Oct 31, 2025 Hunsaker Craig ESell$2.00M
Oct 24, 2025 Sponsel DavidSell$1.13M
Oct 1, 2025 Miles PatrickSell$1.40M
Sep 18, 2025 Sponsel DavidSell$2.11M
Sep 9, 2025 Berkowitz Mortimer IIISell$998.1K
Sep 2, 2025 Miles PatrickSell$4.72M
Aug 21, 2025 Lish ScottSell$101.2K
Aug 13, 2025 Lish ScottSell$148.8K
Aug 6, 2025 Koning John ToddSell$81.5K
Aug 6, 2025 Sponsel DavidSell$15.1K
Aug 5, 2025 Hunsaker Craig ESell$916.7K
Aug 1, 2025 Lish ScottSell$952.1K
Aug 1, 2025 Marshall Tyson EliotSell$424.2K
Jul 10, 2025 Lish ScottSell$47.8K
Jul 10, 2025 Marshall Tyson EliotSell$18.0K
Jun 13, 2025 Lish ScottSell$251.6K
Jun 11, 2025 MCGINNIS KAREN KSell$48.0K
Jun 4, 2025 Hunsaker Craig ESell$2.47M
May 19, 2025 Lish ScottSell$719.9K
May 5, 2025 Lish ScottSell$145.4K
Apr 22, 2025 Koning John ToddSell$401.6K
Mar 10, 2025 Koning John ToddSell$1.60M
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ATEC Insider Buying Activity

The following table shows recent insider purchases of Alphatec Holdings, Inc. (ATEC) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
May 11, 2026 Valentine KeithBuy$996.2K

ATEC Insider Selling Activity

The following table shows recent insider sales of Alphatec Holdings, Inc. (ATEC) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Mar 17, 2026 Koning John ToddSell$986.2K
Mar 17, 2026 Lish ScottSell$3.20M
Mar 13, 2026 Sponsel DavidSell$2.05M
Mar 10, 2026 Hunsaker Craig ESell$1.44M
Mar 9, 2026 Marshall Tyson EliotSell$1.11M
Feb 12, 2026 Hunsaker Craig ESell$538.5K
Feb 5, 2026 Sponsel DavidSell$833.3K
Feb 3, 2026 Hunsaker Craig ESell$549.5K
Jan 5, 2026 Miles PatrickSell$2.10M
Dec 16, 2025 Lish ScottSell$390.8K
Dec 16, 2025 Pelizzon David RSell$4.92M
Dec 11, 2025 Demski David MSell$636.0K
Dec 10, 2025 Hunsaker Craig ESell$679.1K
Dec 10, 2025 Sponsel DavidSell$438.8K
Dec 8, 2025 Koning John ToddSell$327.5K
Dec 8, 2025 Miles PatrickSell$615.2K
Dec 8, 2025 Pelizzon David RSell$5.30M
Dec 8, 2025 Sponsel DavidSell$21.2K
Dec 5, 2025 Lish ScottSell$233.5K
Dec 5, 2025 Marshall Tyson EliotSell$491.5K
Dec 1, 2025 Miles PatrickSell$2.21M
Nov 24, 2025 Pritzker Jennifer N.Sell$5.16M
Nov 20, 2025 Lish ScottSell$495.0K
Nov 20, 2025 Marshall Tyson EliotSell$1.37M
Nov 12, 2025 Pritzker Jennifer N.Sell$5.20M
Nov 3, 2025 Miles PatrickSell$1.90M
Nov 3, 2025 Rydin Jeffrey PSell$3.86M
Oct 31, 2025 Hunsaker Craig ESell$2.00M
Oct 24, 2025 Sponsel DavidSell$1.13M
Oct 1, 2025 Miles PatrickSell$1.40M
Sep 18, 2025 Sponsel DavidSell$2.11M
Sep 9, 2025 Berkowitz Mortimer IIISell$998.1K
Sep 2, 2025 Miles PatrickSell$4.72M
Aug 21, 2025 Lish ScottSell$101.2K
Aug 13, 2025 Lish ScottSell$148.8K
Aug 6, 2025 Koning John ToddSell$81.5K
Aug 6, 2025 Sponsel DavidSell$15.1K
Aug 5, 2025 Hunsaker Craig ESell$916.7K
Aug 1, 2025 Lish ScottSell$952.1K
Aug 1, 2025 Marshall Tyson EliotSell$424.2K
Jul 10, 2025 Lish ScottSell$47.8K
Jul 10, 2025 Marshall Tyson EliotSell$18.0K
Jun 13, 2025 Lish ScottSell$251.6K
Jun 11, 2025 MCGINNIS KAREN KSell$48.0K
Jun 4, 2025 Hunsaker Craig ESell$2.47M
May 19, 2025 Lish ScottSell$719.9K
May 5, 2025 Lish ScottSell$145.4K
Apr 22, 2025 Koning John ToddSell$401.6K
Mar 10, 2025 Koning John ToddSell$1.60M

ATEC Insiders

Valentine Keith

Director

Bought $1.25M
2 tradesLast: May 11, 2026
Koning John Todd

officer: CHIEF FINANCIAL OFFICER

Bought $55.9KSold $7.00M
14 tradesLast: Mar 17, 2026
Lish Scott

SVP, DEVELOPMENT

Sold $10.39M
26 tradesLast: Mar 17, 2026
Sponsel David

officer: EVP, SALES

Sold $15.79M
36 tradesLast: Mar 13, 2026
Hunsaker Craig E

officer: EVP, PEOPLE & CULTURE

Bought $174.9KSold $23.87M
31 tradesLast: Mar 10, 2026
Marshall Tyson Eliot

officer: GENERAL COUNSEL & CORP. SEC.

Sold $4.55M
9 tradesLast: Mar 9, 2026
Miles Patrick

CEO

Bought $585.5KSold $49.88M
31 tradesLast: Jan 5, 2026
Pelizzon David R

Director

Bought $92.22MSold $10.21M
9 tradesLast: Dec 16, 2025
Demski David M

Director

Bought $860.9KSold $636.0K
4 tradesLast: Dec 11, 2025
Pritzker Jennifer N.

10% Owner

Bought $661.1KSold $10.36M
15 tradesLast: Nov 24, 2025
Rydin Jeffrey P

Director

Sold $3.86M
1 tradesLast: Nov 3, 2025
Berkowitz Mortimer III

Director

Bought $115.2KSold $1.75M
4 tradesLast: Sep 9, 2025
MCGINNIS KAREN K

Director

Sold $517.8K
2 tradesLast: Jun 11, 2025
Bakst Evan

Director

Bought $510.3KSold $1.73M
5 tradesLast: Aug 23, 2024
Blackford Quentin S.

Director

Bought $256.6K
1 tradesLast: Mar 7, 2024
TULLIS JAMES L L

Director

Bought $50.7KSold $12.89M
10 tradesLast: Sep 11, 2023
Mowry David H

Director

Sold $346.3K
3 tradesLast: Sep 11, 2023
Altman Elizabeth Ann

Director

Sold $222.2K
2 tradesLast: Jun 16, 2023
Segal Paul

Director

Bought $3.00MSold $3.57M
5 tradesLast: Jun 12, 2023
WOODS WARD W JR

Director

Sold $1.89M
1 tradesLast: Mar 6, 2023
Snider Brian

EVP, Strat. Mktg. & Prod. Dev.

Sold $1.45M
9 tradesLast: Aug 5, 2022
Howell Kelli Mari

EVP, CLINICAL STRATEGIES

Sold $619.8K
5 tradesLast: Aug 5, 2022
Hochberg Jason

Director

Bought $108.3K
2 tradesLast: Dec 15, 2021
Black Jeffrey G.

EVP & CFO

Sold $116.8K
1 tradesLast: Mar 9, 2021