Sponsel David
SEC insider (Form 3/4/5 filer). CIK 0001772837. EVP, SALES at Alphatec Holdings, Inc. (ATEC). 22 reported Form 4/5 transactions since Sep 2024; latest on Mar 11, 2026. Located in CARLSBAD, CA.
Companies Sponsel David has filed insider reports for
- Alphatec Holdings, Inc. (ATEC): Officer, EVP, SALES
Sponsel David
CIK: 0001772837
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 (22 total)
- Mar 11, 2026ATEC
Alphatec Holdings, Inc.
SaleDirect163.5K shares at avg. $12.52$2.0M - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect93.4K shares- - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect20.4K shares- - Feb 25, 2026ATEC
Alphatec Holdings, Inc.
AwardDirect205.1K shares- - Feb 5, 2026ATEC
Alphatec Holdings, Inc.
SaleDirect60.4K shares at avg. $13.79$833K - Dec 10, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect21.1K shares at avg. $20.79$439K - Dec 8, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect988 shares at avg. $21.45$21K - Oct 24, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect70K shares at avg. $16.18$1.1M - Sep 19, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect2.6K shares at avg. $15.34$39K - Sep 18, 2025ATEC
Alphatec Holdings, Inc.
SaleDirect137.4K shares at avg. $15.09$2.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 11, 2026 | ATEC Alphatec Holdings, Inc. | Sale | 163,452 | $12.52 | $2,046,419 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 93,410 | - | $0 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 20,380 | - | $0 | Direct |
| Feb 25, 2026 | ATEC Alphatec Holdings, Inc. | Award | 205,094 | - | $0 | Direct |
| Feb 5, 2026 | ATEC Alphatec Holdings, Inc. | Sale | 60,425 | $13.79 | $833,261 | Direct |
| Dec 10, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 21,106 | $20.79 | $438,794 | Direct |
| Dec 8, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 988 | $21.45 | $21,193 | Direct |
| Oct 24, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 70,000 | $16.18 | $1,132,600 | Direct |
| Sep 19, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 2,555 | $15.34 | $39,194 | Direct |
| Sep 18, 2025 | ATEC Alphatec Holdings, Inc. | Sale | 137,445 | $15.09 | $2,074,045 | Direct |
1-10 of 22 transactions