ATEC Insider Transactions
451 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
ATEC insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2026-08-05 | Sale | 8,168 | $9.65 |
|---|
| MCGINNIS KAREN K | Director | 2026-06-11 | Sale | 6,050.0 | $8.01 |
|---|
| Valentine Keith | Director | 2026-05-11 | Purchase | 35,000.0 | $7.0 |
|---|
| Valentine Keith | Director | 2026-05-08 | Purchase | 43,847.0 | $7.54 |
|---|
| Valentine Keith | Director | 2026-05-07 | Purchase | 56,153.0 | $7.49 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2026-03-13 | Sale | 260,535.0 | $12.3 |
|---|
| Koning John Todd | CHIEF FINANCIAL OFFICER | 2026-03-13 | Sale | 79,789.0 | $12.36 |
|---|
| Sponsel David | EVP, SALES | 2026-03-11 | Sale | 163,452.0 | $12.52 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2026-03-09 | Sale | 82,765.0 | $12.45 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2026-03-06 | Sale | 33,602.0 | $12.22 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2026-03-05 | Sale | 88,835.0 | $12.49 |
|---|
| Sponsel David | EVP, SALES | 2026-02-05 | Sale | 60,425.0 | $13.79 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2026-02-03 | Sale | 37,358.0 | $14.71 |
|---|
| Miles Patrick | CEO | 2026-01-05 | Sale | 100,000.0 | $21.01 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-12-16 | Sale | 19,900.0 | $19.64 |
|---|
| Pelizzon David R | Director | 2025-12-16 | Sale | 250,000.0 | $19.66 |
|---|
| Demski David M | Director | 2025-12-11 | Sale | 30,000.0 | $21.2 |
|---|
| Sponsel David | EVP, SALES | 2025-12-10 | Sale | 21,106.0 | $20.79 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-12-10 | Sale | 32,584.0 | $20.84 |
|---|
| Squadron Capital LLC | TenPercentOwner | 2025-12-09 | Sale | 28,834.0 | $21.03 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2025-12-09 | Sale | 28,834.0 | $21.03 |
|---|
| Squadron Capital Holdings LLC | TenPercentOwner | 2025-12-09 | Sale | 28,834.0 | $21.03 |
|---|
| Pritzker Jennifer N. | TenPercentOwner | 2025-12-09 | Sale | 28,834.0 | $21.03 |
|---|
| Sponsel David | EVP, SALES | 2025-12-08 | Sale | 988.0 | $21.45 |
|---|
| Squadron Capital LLC | TenPercentOwner | 2025-12-08 | Sale | 221,166.0 | $21.2 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2025-12-08 | Sale | 221,166.0 | $21.2 |
|---|
| Squadron Capital Holdings LLC | TenPercentOwner | 2025-12-08 | Sale | 221,166.0 | $21.2 |
|---|
| Pritzker Jennifer N. | TenPercentOwner | 2025-12-08 | Sale | 221,166.0 | $21.2 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-12-05 | Sale | 10,875.0 | $21.47 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-12-05 | Sale | 12,965.0 | $21.47 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-12-05 | Sale | 9,924.0 | $21.48 |
|---|
| Miles Patrick | CEO | 2025-12-01 | Sale | 100,000.0 | $22.11 |
|---|
| Pritzker Jennifer N. | TenPercentOwner | 2025-11-24 | Sale | 250,000.0 | $20.62 |
|---|
| Squadron Capital Holdings LLC | TenPercentOwner | 2025-11-24 | Sale | 250,000.0 | $20.62 |
|---|
| Squadron Capital LLC | TenPercentOwner | 2025-11-24 | Sale | 250,000.0 | $20.62 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2025-11-24 | Sale | 250,000.0 | $20.62 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-11-20 | Sale | 25,000.0 | $19.8 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-11-20 | Sale | 70,000.0 | $19.51 |
|---|
| Squadron Capital LLC | TenPercentOwner | 2025-11-12 | Sale | 250,000.0 | $20.8 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2025-11-12 | Sale | 250,000.0 | $20.8 |
|---|
| Squadron Capital Holdings LLC | TenPercentOwner | 2025-11-12 | Sale | 250,000.0 | $20.8 |
|---|
| Pritzker Jennifer N. | TenPercentOwner | 2025-11-12 | Sale | 250,000.0 | $20.8 |
|---|
| Rydin Jeffrey P | Director | 2025-11-03 | Sale | 200,000.0 | $19.32 |
|---|
| Miles Patrick | CEO | 2025-11-03 | Sale | 100,000.0 | $18.96 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-10-31 | Sale | 100,000.0 | $19.95 |
|---|
| Sponsel David | EVP, SALES | 2025-10-24 | Sale | 70,000.0 | $16.18 |
|---|
| Miles Patrick | CEO | 2025-10-01 | Sale | 100,000.0 | $13.96 |
|---|
| Sponsel David | EVP, SALES | 2025-09-19 | Sale | 2,555.0 | $15.34 |
|---|
| Sponsel David | EVP, SALES | 2025-09-18 | Sale | 137,445.0 | $15.09 |
|---|
| Berkowitz Mortimer III | Director | 2025-09-09 | Sale | 62,500.0 | $15.97 |
|---|
| Miles Patrick | CEO | 2025-09-02 | Sale | 300,000.0 | $15.73 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-08-21 | Sale | 6,323.0 | $16.01 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-08-13 | Sale | 9,302.0 | $16.0 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-08-06 | Sale | 10,876.0 | $15.33 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-08-05 | Sale | 50,000.0 | $15.0 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-08-05 | Sale | 16,666.0 | $15.0 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-08-05 | Sale | 8,168.0 | $14.96 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-08-05 | Sale | 9,924.0 | $14.86 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-08-04 | Sale | 17,857.0 | $14.0 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-08-01 | Sale | 36,081.0 | $12.53 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-08-01 | Sale | 12,878.0 | $12.0 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2025-07-10 | Sale | 1,500.0 | $12.0 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-07-10 | Sale | 3,982.0 | $12.0 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-06-13 | Sale | 22,727.0 | $11.07 |
|---|
| MCGINNIS KAREN K | Director | 2025-06-11 | Sale | 3,963.0 | $12.11 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-06-05 | Sale | 13,878.0 | $12.36 |
|---|
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 2025-06-04 | Sale | 186,122.0 | $12.34 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-05-19 | Sale | 55,375.0 | $13.0 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-05-05 | Sale | 12,000.0 | $12.12 |
|---|
| Koning John Todd | CHIEF FINANCIAL OFFICER | 2025-04-22 | Sale | 37,500.0 | $10.71 |
|---|
| Koning John Todd | CHIEF FINANCIAL OFFICER | 2025-03-10 | Sale | 165,121.0 | $9.72 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-03-10 | Sale | 27,994.0 | $9.72 |
|---|
| Miles Patrick | CEO | 2025-03-07 | Sale | 12,691.0 | $10.64 |
|---|
| Sponsel David | EVP, SALES | 2025-03-06 | Sale | 33,732.0 | $10.83 |
|---|
| MCGINNIS KAREN K | Director | 2025-03-03 | Sale | 38,320.0 | $12.26 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-02-27 | Sale | 23,183.0 | $12.03 |
|---|
| Miles Patrick | CEO | 2025-02-26 | Sale | 32,393.0 | $10.89 |
|---|
| Sponsel David | EVP, SALES | 2025-02-25 | Sale | 19,419.0 | $10.41 |
|---|
| Sponsel David | EVP, SALES | 2025-02-24 | Sale | 12,946.0 | $10.73 |
|---|
| Lish Scott | CHIEF OPERATING OFFICER | 2025-02-06 | Sale | 27,453.0 | $11.49 |
|---|
| Miles Patrick | CEO | 2025-02-05 | Sale | 43,459.0 | $11.95 |
|---|
| Sponsel David | EVP, SALES | 2025-02-03 | Sale | 36,256.0 | $11.42 |
|---|
| Miles Patrick | CEO | 2025-01-30 | Sale | 43,313.0 | $12.03 |
|---|
| Miles Patrick | CEO | 2025-01-29 | Sale | 50,000.0 | $12.03 |
|---|
| Miles Patrick | CEO | 2025-01-21 | Sale | 6,687.0 | $12.0 |
|---|
| Sponsel David | EVP, SALES | 2025-01-13 | Sale | 58,283.0 | $10.71 |
|---|
| Sponsel David | EVP, SALES | 2025-01-10 | Sale | 238.0 | $10.0 |
|---|
| Sponsel David | EVP, SALES | 2024-12-11 | Sale | 62,018.0 | $9.69 |
|---|
| Miles Patrick | CEO | 2024-11-21 | Sale | 50,000.0 | $10.09 |
|---|
| Miles Patrick | CEO | 2024-11-20 | Sale | 50,000.0 | $10.03 |
|---|
| Bakst Evan | Director | 2024-08-23 | Purchase | 35,000.0 | $5.76 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2024-08-23 | Purchase | 16,978.0 | $5.89 |
|---|
| Pelizzon David R | Director,TenPercentOwner | 2024-08-22 | Purchase | 8,818.0 | $5.67 |
|---|
| Demski David M | Director | 2024-08-21 | Purchase | 50,000.0 | $5.67 |
|---|
| Demski David M | Director | 2024-08-02 | Purchase | 40,000.0 | $6.56 |
|---|
| Valentine Keith | Director | 2024-08-02 | Purchase | 39,000.0 | $6.55 |
|---|
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 2024-06-12 | Sale | 50,232.0 | $10.88 |
|---|
| Koning John Todd | CHIEF FINANCIAL OFFICER | 2024-04-24 | Sale | 37,500.0 | $12.82 |
|---|
| Bakst Evan | Director | 2024-03-14 | Purchase | 15,000.0 | $13.53 |
|---|
| Blackford Quentin S. | Director | 2024-03-07 | Purchase | 20,000.0 | $12.83 |
|---|