Who
David Sponsel
EVP, Sales
Company insider
Files Form 4 as: EVP, Sales, Alphatec Holdings.
In numbers
- Trades disclosed
- 74
- Buys
- 1
- Sells
- 30
- Bought
- $50K
- Sold
- $16.6M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 13 May 2019
- Last trade
- 11 Mar 2026
- Last filed
- 13 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 11 Mar 2026filed 13 Mar 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $2.0M163,452 at $12.52 | filing |
| 11 Mar 2026filed 13 Mar 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $2.0M163,452 at $12.52 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —205,094 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —93,410 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —20,380 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code A | —46,705 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code A | —46,705 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code A | —46,705 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code A | —46,705 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —205,094 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —93,410 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —20,380 | filing |
| 5 Feb 2026filed 6 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $833K60,425 at $13.79 | filing |
| 5 Feb 2026filed 6 Feb 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $833K60,425 at $13.79 | filing |
| 10 Dec 2025filed 12 Dec 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $439K21,106 at $20.79 | filing |
| 8 Dec 2025filed 10 Dec 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $21K988 at $21.45 | filing |
| 24 Oct 2025filed 28 Oct 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $1.1M70,000 at $16.18 | filing |
| 19 Sep 2025filed 19 Sep 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $39K2,555 at $15.34 | filing |
| 18 Sep 2025filed 19 Sep 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $2.1M137,445 at $15.09 | filing |
| 6 Aug 2025filed 7 Aug 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code F | $15K982 at $15.34 | filing |
News
IRIDEX (NASDAQ:IRIX) vs. Alphatec (NASDAQ:ATEC) Head-To-Head AnalysisATEC · tickerreport.com · 22 Oct 2026Sanuwave Health (NASDAQ:SNWV) & Alphatec (NASDAQ:ATEC) Head-To-Head ContrastATEC · dailypolitical.com · 11 Oct 2026
0 headlines in the last 90 days name David Sponsel; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.