Who
Tyson Eliot Marshall
General Counsel & Corp. Sec.
Company insider
Files Form 4 as: General Counsel & Corp. Sec., Alphatec Holdings; General Counsel, Mad Catz Interactive.
In numbers
- Trades disclosed
- 50
- Buys
- 0
- Sells
- 10
- Bought
- $0
- Sold
- $5.5M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 8 Sep 2016
- Last trade
- 5 Aug 2026
- Last filed
- 7 Aug 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 | |
|---|---|---|---|---|
| 5 Aug 2026filed 7 Aug 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $79K8,168 at $9.65 | filing |
| 5 Aug 2026filed 7 Aug 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Sold | $79K8,168 at $9.65 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $30K15,000 at $1.98 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $25K15,000 at $1.68 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $42K12,500 at $3.34 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —12,500 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —60,000 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $161K60,000 at $2.69 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code F | $258K23,393 at $11.03 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —12,500 at $0.00 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $30K15,000 at $1.98 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $25K15,000 at $1.68 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $42K12,500 at $3.34 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code M | $161K60,000 at $2.69 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code F | $258K23,393 at $11.03 | filing |
| 7 Apr 2026filed 9 Apr 2026 | ATEC Alphatec Holdingsoption or derivative · Medical Devices | SEC FORM 4 Code M | —60,000 at $0.00 | filing |
News
Sanuwave Health (NASDAQ:SNWV) & Alphatec (NASDAQ:ATEC) Head-To-Head ContrastATEC · dailypolitical.com · 11 Oct 2026
0 headlines in the last 90 days name Tyson Eliot Marshall; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.