SNWV
SANUWAVE Health, Inc.
NASDAQ · Healthcare · Medical - Devices · US
$4.38
−1.57%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-70.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| May 4, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 500 | $16 |
| May 4, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 10,081 | $16 |
| May 4, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 24,000 | $16 |
| May 4, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 1,000 | $16 |
| Apr 30, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 2,500 | $18 |
| Apr 30, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 23,360 | $17 |
| Apr 30, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 1,000 | $17 |
| Apr 30, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 43,788 | $18 |
| Apr 21, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 11,267 | $20 |
| Apr 21, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 202 | $21 |
| Apr 21, 2026 | Opaleye Management Inc. · 10 percent owner | Sale | 5,000 | $20 |
| Dec 15, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 6,500 | $21 |
| Dec 15, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 13,500 | $31 |
| Dec 10, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 8,625 | $30 |
| Dec 10, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 125,400 | $31 |
| Dec 10, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 2,000 | $32 |
| Dec 10, 2025 | MANCHESTER MANAGEMENT CO LLC · other: Director by Deputization | Sale | 8,785 | $31 |
| Oct 9, 2025 | Opaleye Management Inc. · 10 percent owner | Purchase | 1,267 | $30 |
| Jul 2, 2025 | Blizard Jeffrey · director | A-Award | 1,574 | $33 |
| Jul 2, 2025 | Bazar Gregory Matthew · director | A-Award | 1,574 | $33 |
| Jul 2, 2025 | Miller Ian D. · director | A-Award | 1,771 | $33 |
| Jul 2, 2025 | FRANK MORGAN C. · director, 10 percent owner, officer: Chief Executive Officer | A-Award | 1,574 | $33 |
| Jul 2, 2025 | Tyler James · director | A-Award | 1,574 | $33 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 6,000 | $15 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 1,761 | $30 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 1,559 | $23 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 533 | $41 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 0 | $0.00 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 41,333 | $14 |
| Jun 12, 2025 | Stolarski Anthony Michael · director | A-Award | 89,664 | $25 |
Institutional positioning
13F filings over the trailing two quarters
New 17Increased 20Reduced 16Sold out 62
| Filer | Action | Shares | Filed |
|---|---|---|---|
| OPALEYE MANAGEMENT INC. | Reduced | 981,267 | May 15, 2026 |
| BLACKROCK, INC. | Reduced | 481,540 | May 13, 2026 |
| AWM INVESTMENT COMPANY, INC. | Unchanged | 454,550 | May 15, 2026 |
| PRAETORIAN PR LLC | Increased | 350,000 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 348,874 | May 15, 2026 |
| SOLAS CAPITAL MANAGEMENT, LLC | Reduced | 287,514 | May 15, 2026 |
| STIFEL FINANCIAL CORP | Increased | 251,633 | May 12, 2026 |
| UBS GROUP AG | Increased | 210,263 | May 5, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 171,798 | May 15, 2026 |
| STATE STREET CORP | Increased | 140,089 | May 15, 2026 |
| NORTHERN TRUST CORP | Increased | 62,791 | May 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 59,473 | Sep 2, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 49,281 | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 44,328 | May 8, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Increased | 40,779 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing May 4, 2026