Koning John Todd Insider Trading -- Recent SEC Form 4 Transactions

Koning John Todd (CIK 1830843) reported 13 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Sell ATEC (79,789 shares), Sell ATEC (68,910 shares), Buy ATEC (205,094 shares), Buy ATEC (110,394 shares), Buy ATEC (20,380 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-03-17Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell79,789$986,192
2026-03-09Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell68,910$866,199
2026-02-27Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy205,094$0
2026-02-27Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy110,394$0
2026-02-27Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy20,380$0
2025-12-10Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell15,266$327,456
2025-08-07Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell5,315$81,532
2025-04-23Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell37,500$401,625
2025-04-03Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy20,929$0
2025-03-12Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERSell165,121$1.6M
2025-01-31Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy120,952$0
2025-01-31Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy114,322$0
2025-01-31Alphatec Holdings, Inc. (ATEC)CHIEF FINANCIAL OFFICERBuy19,598$0

Source: SEC Form 4 filings · as of 2026-03-17