There have been 50 recent insider transactions recorded for Alphatec Holdings, Inc. (ATEC), including 6 buys and 42 sells. Total insider buying was valued at RSU Award and total insider selling at $95.49M.
Notable insiders with recent activity include Pelizzon David R, Koning John Todd, Lish Scott. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ATEC
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2027-05-29 |
Pelizzon David R |
Director |
Unknown |
2,419,355 |
$2.17 |
$5.25M |
- |
| 2026-03-13 |
Koning John Todd |
Chief Financial Officer |
Informative Sell |
79,789 |
$12.36 |
$986.19K |
600,721 |
| 2026-03-13 |
Lish Scott |
Chief Operating Officer |
Informative Sell |
260,535 |
$12.30 |
$3.2M |
815,704 |
| 2026-03-11 |
Sponsel David |
EVP, Sales |
Informative Sell |
163,452 |
$12.52 |
$2.05M |
504,932 |
| 2026-03-09 |
Hunsaker Craig E |
EVP, People & Culture |
Gift (Given) |
600 |
- |
- |
1,725,609 |
| 2026-03-06 |
Hunsaker Craig E |
EVP, People & Culture |
Informative Sell |
33,602 |
$12.22 |
$410.62K |
1,808,974 |
| 2026-03-05 |
Miles Patrick |
CEO |
Tax Withholding of RSU |
219,749 |
$12.57 |
$2.76M |
5,778,551 |
| 2026-03-05 |
Marshall Tyson Eliot |
General Counsel & Corp. Sec. |
Informative Sell |
88,835 |
$12.49 |
$1.11M |
559,459 |
| 2026-03-05 |
Koning John Todd |
Chief Financial Officer |
Tax Withholding of RSU |
68,910 |
$12.57 |
$866.2K |
680,510 |
| 2026-02-25 |
Miles Patrick |
CEO |
RSU Award |
152,853 |
- |
- |
152,853 |
| 2026-02-25 |
Hunsaker Craig E |
EVP, People & Culture |
RSU Award |
63,689 |
- |
- |
63,689 |
| 2026-02-25 |
Marshall Tyson Eliot |
General Counsel & Corp. Sec. |
RSU Award |
42,459 |
- |
- |
42,459 |
| 2026-02-25 |
Sponsel David |
EVP, Sales |
RSU Award |
46,705 |
- |
- |
46,705 |
| 2026-02-25 |
Koning John Todd |
Chief Financial Officer |
RSU Award |
55,197 |
- |
- |
55,197 |
| 2026-02-25 |
Lish Scott |
Chief Operating Officer |
RSU Award |
63,689 |
- |
- |
63,689 |
| 2026-02-12 |
Hunsaker Craig E |
EVP, People & Culture |
Option Exercise (Sell) |
31,710 |
$1.93 |
$61.2K |
- |
| 2026-02-05 |
Sponsel David |
EVP, Sales |
Informative Sell |
60,425 |
$13.79 |
$833.26K |
349,500 |
| 2026-02-03 |
Hunsaker Craig E |
EVP, People & Culture |
Informative Sell |
37,358 |
$14.71 |
$549.54K |
1,173,025 |
| 2026-01-05 |
Miles Patrick |
CEO |
Informative Sell |
100,000 |
$21.01 |
$2.1M |
5,135,398 |
| 2025-12-16 |
Pelizzon David R |
Director |
Informative Sell |
250,000 |
$19.66 |
$4.92M |
10,395,045 |
| 2025-12-16 |
Lish Scott |
Chief Operating Officer |
Informative Sell |
19,900 |
$19.64 |
$390.84K |
641,432 |
| 2025-12-11 |
Demski David M |
Director |
Informative Sell |
30,000 |
$21.20 |
$636K |
399,623 |
| 2025-12-10 |
Hunsaker Craig E |
EVP, People & Culture |
Informative Sell |
32,584 |
$20.84 |
$679.05K |
1,256,558 |
| 2025-12-10 |
Sponsel David |
EVP, Sales |
Informative Sell |
21,106 |
$20.79 |
$438.79K |
439,767 |
| 2025-12-09 |
Pelizzon David R |
10 Percent Owner |
Informative Sell |
28,834 |
$21.03 |
$606.38K |
10,645,045 |
| 2025-12-09 |
Squadron Capital Llc |
10 Percent Owner |
Informative Sell |
28,834 |
$21.03 |
$606.38K |
10,645,045 |
| 2025-12-09 |
Squadron Capital Holdings Llc |
10 Percent Owner |
Informative Sell |
28,834 |
$21.03 |
$606.38K |
10,645,045 |
| 2025-12-09 |
Pritzker Jennifer N. |
10 Percent Owner |
Informative Sell |
28,834 |
$21.03 |
$606.38K |
10,645,045 |
| 2025-12-08 |
Miles Patrick |
CEO |
Tax Withholding of RSU |
28,680 |
$21.45 |
$615.19K |
5,235,398 |
| 2025-12-08 |
Pelizzon David R |
10 Percent Owner |
Informative Sell |
221,166 |
$21.20 |
$4.69M |
10,673,879 |
| 2025-12-08 |
Squadron Capital Llc |
10 Percent Owner |
Informative Sell |
221,166 |
$21.20 |
$4.69M |
10,673,879 |
| 2025-12-08 |
Squadron Capital Holdings Llc |
10 Percent Owner |
Informative Sell |
221,166 |
$21.20 |
$4.69M |
10,673,879 |
| 2025-12-08 |
Sponsel David |
EVP, Sales |
Informative Sell |
988 |
$21.45 |
$21.19K |
460,873 |
| 2025-12-08 |
Koning John Todd |
Chief Financial Officer |
Tax Withholding of RSU |
15,266 |
$21.45 |
$327.46K |
445,955 |
| 2025-12-08 |
Pritzker Jennifer N. |
10 Percent Owner |
Informative Sell |
221,166 |
$21.20 |
$4.69M |
10,673,879 |
| 2025-12-05 |
Marshall Tyson Eliot |
General Counsel & Corp. Sec. |
Informative Sell |
12,965 |
$21.47 |
$278.36K |
345,442 |
| 2025-12-05 |
Lish Scott |
Chief Operating Officer |
Informative Sell |
10,875 |
$21.47 |
$233.49K |
661,332 |
| 2025-12-01 |
Miles Patrick |
CEO |
Informative Sell |
100,000 |
$22.11 |
$2.21M |
5,264,078 |
| 2025-11-24 |
Pelizzon David R |
10 Percent Owner |
Informative Sell |
250,000 |
$20.62 |
$5.16M |
10,895,045 |
| 2025-11-24 |
Squadron Capital Llc |
10 Percent Owner |
Informative Sell |
250,000 |
$20.62 |
$5.16M |
10,895,045 |
| 2025-11-24 |
Squadron Capital Holdings Llc |
10 Percent Owner |
Informative Sell |
250,000 |
$20.62 |
$5.16M |
10,895,045 |
| 2025-11-24 |
Pritzker Jennifer N. |
10 Percent Owner |
Informative Sell |
250,000 |
$20.62 |
$5.16M |
10,895,045 |
| 2025-11-20 |
Marshall Tyson Eliot |
General Counsel & Corp. Sec. |
Informative Sell |
70,000 |
$19.51 |
$1.37M |
368,331 |
| 2025-11-20 |
Lish Scott |
Chief Operating Officer |
Option Exercise (Sell) |
25,000 |
$3.63 |
$90.75K |
- |
| 2025-11-12 |
Pelizzon David R |
10 Percent Owner |
Informative Sell |
250,000 |
$20.80 |
$5.2M |
11,145,045 |
| 2025-11-12 |
Squadron Capital Llc |
10 Percent Owner |
Informative Sell |
250,000 |
$20.80 |
$5.2M |
11,145,045 |
| 2025-11-12 |
Squadron Capital Holdings Llc |
10 Percent Owner |
Informative Sell |
250,000 |
$20.80 |
$5.2M |
11,145,045 |
| 2025-11-12 |
Pritzker Jennifer N. |
10 Percent Owner |
Informative Sell |
250,000 |
$20.80 |
$5.2M |
11,145,045 |
| 2025-11-03 |
Miles Patrick |
CEO |
Informative Sell |
100,000 |
$18.96 |
$1.9M |
5,364,078 |
| 2025-11-03 |
Rydin Jeffrey P |
Director |
Informative Sell |
200,000 |
$19.32 |
$3.86M |
385,441 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
