Koning John Todd
SEC insider (Form 3/4/5 filer). CIK 0001830843. CHIEF FINANCIAL OFFICER at Alphatec Holdings, Inc. (ATEC). 13 reported Form 4/5 transactions since Sep 2024; latest on Mar 13, 2026. Located in CARLSBAD, CA.
Companies Koning John Todd has filed insider reports for
- Alphatec Holdings, Inc. (ATEC): Officer, CHIEF FINANCIAL OFFICER
Koning John Todd
CIK: 0001830843
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Alphatec Holdings, Inc.
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Mar 13, 2026ATEC
Alphatec Holdings, Inc.
SaleDirect79.8K shares at avg. $12.36$986K - Mar 5, 2026ATEC
Alphatec Holdings, Inc.
Tax PaymentDirect68.9K shares at avg. $12.57$866K - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect205.1K shares- - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect20.4K shares- - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect110.4K shares- - Dec 8, 2025ATEC
Alphatec Holdings, Inc.
Tax PaymentDirect15.3K shares at avg. $21.45$327K - Aug 6, 2025ATEC
Alphatec Holdings, Inc.
Tax PaymentDirect5.3K shares at avg. $15.34$82K - Apr 22, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect37.5K shares at avg. $10.71$402K - Apr 1, 2025ATEC
Alphatec Holdings, Inc.
AwardDirect20.9K shares- - Mar 10, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect165.1K shares at avg. $9.72$1.6M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 13, 2026 | ATEC Alphatec Holdings, Inc. | Sale | 79,789 | $12.36 | $986,192 | Direct |
| Mar 5, 2026 | ATEC Alphatec Holdings, Inc. | Tax Payment | 68,910 | $12.57 | $866,199 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 205,094 | - | $0 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 20,380 | - | $0 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 110,394 | - | $0 | Direct |
| Dec 8, 2025 | ATEC Alphatec Holdings, Inc. | Tax Payment | 15,266 | $21.45 | $327,456 | Direct |
| Aug 6, 2025 | ATEC Alphatec Holdings, Inc. | Tax Payment | 5,315 | $15.34 | $81,532 | Direct |
| Apr 22, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 37,500 | $10.71 | $401,625 | Direct |
| Apr 1, 2025 | ATEC Alphatec Holdings, Inc. | Award | 20,929 | - | - | Direct |
| Mar 10, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 165,121 | $9.72 | $1,604,976 | Direct |
1-10 of 13 transactions