Comparable stake leader
Thomas Sandgaard
SEC ownership of ZYNEX INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000846475.
Disclosed value leader
Thomas Sandgaard
Comparable rows
0/4
Latest evidence
26 Mar 2026
- Public ticker
- ZYXIQ on OTC
- Parsed ownership sources
- 3/4/5
- Largest SEC-reported holder
- Thomas Sandgaard
- Latest parsed ownership date
- 26 Mar 2026
- Issuer CIK
- 0000846475
- Issuer location
- Englewood, CO
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ZYNEX INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Thomas Sandgaard
Disclosed value leader
Thomas Sandgaard
Comparable rows
0/4
Latest evidence
26 Mar 2026
3/4/5
Highest disclosed value: $37,425,554
4 rows are not safely comparable across share classes.
Quick read
Thomas Sandgaard has the largest disclosed position value at $37.43M.
0 of 4 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Thomas Sandgaard's linked filing trail.
Disclosed position value
Top 3
Thomas Sandgaard
$37.43M
Anna Lucsok
$104.6K
Daniel J. Moorhead
$34.7K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-4 of 4 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Thomas Sandgaard |
3/4/5
President, CEO and Chairman, Director, 10%+ Owner
|
—
mixed-class rows
|
$37,425,554
12,904,347 shares
mixed-class rows
|
— | 13 Mar 2025 |
| Anna Lucsok |
3/4/5
CHIEF OPERATING OFFICER
|
—
mixed-class rows
|
$104,591
105,268 shares
mixed-class rows
|
— | 27 Jul 2025 |
| Daniel J. Moorhead |
3/4/5
CHIEF FINANCIAL OFFICER
|
—
mixed-class rows
|
$34,661
80,518 shares
mixed-class rows
|
— | 05 Jun 2025 |
| Barry D. Michaels |
3/4/5
Director
|
—
class O/S missing
|
—
22,500 shares
|
— | 26 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 04 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to ZYNEX INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Thomas Sandgaard
Net 12M change
$0
Latest report
26 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas Sandgaard | President, CEO and Chairman, Director, 10%+ Owner | $37,425,554 | Mixed | 13 Mar 2025 | ||
| Anna Lucsok | Chief Operating Officer | $104,591 | Mixed | 27 Jul 2025 | ||
| Daniel J. Moorhead | Chief Financial Officer | $34,661 | Mixed | 05 Jun 2025 | ||
| Barry D. Michaels | Director | $0 | Mixed | 26 Mar 2026 | ||
| Michael D. Cress | Director | $0 | Mixed | 26 Mar 2026 | ||
| Joshua R. Disbrow | Director | $0 | Mixed | 26 Mar 2026 | ||
| Bibb John T. | Chief Legal Officer | Mixed | 18 Aug 2025 | |||
| Steven Lewis Dyson | Chief Executive Officer, Director | Mixed | 18 Aug 2025 | |||
| Bret W. Wise | Director | Mixed | 07 Oct 2025 | |||
| Paul Aronzon | Director | Mixed | 11 Nov 2025 | |||
| Vikram Singh Bajaj | Chief Financial Officer | Mixed | 18 Aug 2025 |
Recent insider transactions for ZYNEX INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Barry D. Michaels | ZYXIQ | Common Stock | Disposed to Issuer | -100% | -80,001 | 0 | 26 Mar 2026 | Direct | ||
| Joshua R. Disbrow | ZYXIQ | Common Stock | Disposed to Issuer | -100% | -89,501 | 0 | 26 Mar 2026 | Direct | ||
| Joshua R. Disbrow | ZYXIQ | Common Stock (Restricted Stock Award) | Disposed to Issuer | -100% | -12,499 | 0 | 26 Mar 2026 | Direct | ||
| Michael D. Cress | ZYXIQ | Common Stock | Disposed to Issuer | -100% | -82,501 | 0 | 26 Mar 2026 | Direct | ||
| Michael D. Cress | ZYXIQ | Common Stock (Restricted Stock Award) | Disposed to Issuer | -100% | -12,499 | 0 | 26 Mar 2026 | Direct | ||
| Anna Lucsok | ZYXI | Common Stock | Tax liability | -8.5% | -3,793 | 40,856 | 28 Jul 2025 | Direct | ||
| Anna Lucsok | ZYXI | Common Stock (Restricted Stock Award) | Award | 13.2% | 7,500 | 64,412 | 27 Jul 2025 | Direct | ||
| Daniel J. Moorhead | ZYXI | Common Stock (Restricted Stock Award) | Award | 8.44% | 5,000 | 64,245 | 05 Jun 2025 | Direct | ||
| Daniel J. Moorhead | ZYXI | Common Stock | Tax liability | -19.7% | -3,982 | 16,273 | 05 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.