ATEC
Alphatec Holdings, Inc.
Alphatec Holdings, Inc. insider trading
Insiders at Alphatec Holdings, Inc. have been buying its stock on the open market. The largest purchase in the last 30 days was Miles Patrick (CEO · Director) buying $1M of ATEC, filed Sep 10, 2026. Every open-market purchase and sale its officers, directors and 10% owners filed in that time is listed below, each linked to the original Form 4.
- Bought on the open market
- $1M
- Sold
- —
- Insiders
- 1
- Latest trade
- Sep 10, 2026
From SEC filings · last 30 days
Recent ATEC insider transactions
Miles PatrickCEO · Director
Bought 115,000 sh at $8.81 · Sep 10, 2026
$1M
Filing
SEC Form 4 data, Q3 2024 to Q2 2026
ATEC insider trading by quarter
Between Jul 01, 2024 and Jun 30, 2026, 16 insiders traded ATEC on the open market: 9 purchases worth $2.1M and 78 sales worth $88.8M, 56 of the sales pre-scheduled under a 10b5-1 plan. In the last four quarters alone: 3 purchases ($996.2K) and 51 sales ($76.2M), by 15 insiders.
| Quarter | Bought | Sold | Insiders |
|---|---|---|---|
| Q2 2026 | +$996.2K3 buys | −$48.5K1 sale · all on a plan | |
| Q1 2026 | — | −$12.3M9 sales · 8 on a plan | |
| Q4 2025 | — | −$53.5M25 sales · 9 on a plan | |
| Q3 2025 | — | −$10.4M16 sales · 15 on a plan | |
| Q2 2025 | — | −$4M7 sales · 5 on a plan | |
| Q1 2025 | — | −$6.9M17 sales · 15 on a plan | |
| Q4 2024 | — | −$1.6M3 sales · all on a plan | |
| Q3 2024 | +$1.2M6 buys | — |
- Largest purchase
- +$420.6K of ATEC by Valentine Keith (Director) on May 07, 2026.
- Largest sale
- −$5.2M of ATEC by Squadron Capital Holdings LLC (10% Owner) on Nov 12, 2025.
Open-market transactions through Jun 30, 2026most recent first
McGinnis Karen K10b5-1
Director
−$48.5K
Jun 11, 2026
6,050 sh · $8.01
Valentine Keith
Director
+$245K
May 11, 2026
35,000 sh · $7.00
Valentine Keith
Director
+$330.6K
May 08, 2026
43,847 sh · $7.54
Valentine Keith
Director
+$420.6K
May 07, 2026
56,153 sh · $7.49
Lish Scott
Chief Operating Officer
−$3.2M
Mar 13, 2026
260,535 sh · $12.30
Koning John Todd10b5-1
Chief Financial Officer
−$986.2K
Mar 13, 2026
79,789 sh · $12.36
Sponsel David10b5-1
EVP, Sales
−$2M
Mar 11, 2026
163,452 sh · $12.52
Hunsaker Craig E10b5-1
EVP, People & Culture
−$1M
Mar 09, 2026
82,765 sh · $12.45
Hunsaker Craig E10b5-1
EVP, People & Culture
−$410.6K
Mar 06, 2026
33,602 sh · $12.22
Marshall Tyson Eliot10b5-1
General Counsel & Corp. Sec.
−$1.1M
Mar 05, 2026
88,835 sh · $12.49
Sponsel David10b5-1
EVP, Sales
−$833.3K
Feb 05, 2026
60,425 sh · $13.79
Hunsaker Craig E10b5-1
EVP, People & Culture
−$549.5K
Feb 03, 2026
37,358 sh · $14.71
Miles Patrick10b5-1
CEO · Director
−$2.1M
Jan 05, 2026
100,000 sh · $21.01
Pelizzon David R
Director
−$4.9M
Dec 16, 2025
250,000 sh · $19.66
Lish Scott10b5-1
Chief Operating Officer
−$390.8K
Dec 16, 2025
19,900 sh · $19.64
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Jun 11, 2026 | McGinnis Karen K10b5-1Director | 6,050 | $8.01 | −$48.5K |
| May 11, 2026 | Valentine KeithDirector | 35,000 | $7.00 | +$245K |
| May 08, 2026 | Valentine KeithDirector | 43,847 | $7.54 | +$330.6K |
| May 07, 2026 | Valentine KeithDirector | 56,153 | $7.49 | +$420.6K |
| Mar 13, 2026 | Lish ScottChief Operating Officer | 260,535 | $12.30 | −$3.2M |
| Mar 13, 2026 | Koning John Todd10b5-1Chief Financial Officer | 79,789 | $12.36 | −$986.2K |
| Mar 11, 2026 | Sponsel David10b5-1EVP, Sales | 163,452 | $12.52 | −$2M |
| Mar 09, 2026 | Hunsaker Craig E10b5-1EVP, People & Culture | 82,765 | $12.45 | −$1M |
| Mar 06, 2026 | Hunsaker Craig E10b5-1EVP, People & Culture | 33,602 | $12.22 | −$410.6K |
| Mar 05, 2026 | Marshall Tyson Eliot10b5-1General Counsel & Corp. Sec. | 88,835 | $12.49 | −$1.1M |
| Feb 05, 2026 | Sponsel David10b5-1EVP, Sales | 60,425 | $13.79 | −$833.3K |
| Feb 03, 2026 | Hunsaker Craig E10b5-1EVP, People & Culture | 37,358 | $14.71 | −$549.5K |
| Jan 05, 2026 | Miles Patrick10b5-1CEO · Director | 100,000 | $21.01 | −$2.1M |
| Dec 16, 2025 | Pelizzon David RDirector | 250,000 | $19.66 | −$4.9M |
| Dec 16, 2025 | Lish Scott10b5-1Chief Operating Officer | 19,900 | $19.64 | −$390.8K |
From SEC's quarterly Form 3, 4 and 5 data sets: code P purchases and code S sales of common stock, by the date the trade happened. Where a fund and the people who control it each report the same block, it is counted once. Trades made in the last days of Q2 2026 but filed after it closed arrive with SEC's next quarterly release.
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Questions
- Are ATEC insiders buying or selling?
- Between Sep 10, 2026 and Sep 10, 2026, 1 Alphatec Holdings, Inc. insider made 1 open-market purchase worth $1M and no sales, a net purchase of $1M.
- How much ATEC stock have insiders bought and sold in the last two years?
- Between Jul 01, 2024 and Jun 30, 2026, 16 Alphatec Holdings, Inc. insiders made 9 open-market purchases worth $2.1M and 78 sales worth $88.8M. 56 of the sales were pre-scheduled under a Rule 10b5-1 plan. In the four quarters to Jun 30, 2026: 3 purchases ($996.2K) and 51 sales ($76.2M). The largest purchase was Valentine Keith buying $420.6K on May 07, 2026. The largest sale was Squadron Capital Holdings LLC selling $5.2M on Nov 12, 2025.
- What was the largest recent ATEC insider trade?
- Miles Patrick (CEO · Director) bought $1M of ATEC stock on Sep 10, 2026 at about $8.81 a share.
- When did an insider last buy ATEC shares?
- The most recent open-market purchase on file is Miles Patrick (CEO · Director) buying $1M on Sep 10, 2026.
- Where does ATEC insider trading data come from?
- From the Form 4 filings Alphatec Holdings, Inc.'s officers, directors and 10% owners must send the SEC within two business days of a trade. Each row on this page links to its original filing on SEC EDGAR. Share grants and option exercises are kept apart from open-market purchases and sales, because only the latter cost the insider their own money.
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