SANUWAVE Health, Inc. (SNWV)
Nasdaq: SNWV · Surgical & Medical Instruments & Apparatus · Eden Prairie, MN · filing with the SEC since 2007
Grade4.6
◀ Past 2.6● Present 5.1▶ Future 6.0
Who owns SANUWAVE Health, Inc.
As filed with the SECHolders of 5% or more
3
Manchester Management Company, LLC holds 10.8% of Common Stock, par value $0.001, as its SCHEDULE 13D/A filed Dec 15, 2025 says.
Directors and officers
11
report now, of 25 people on the record since 2009. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Manchester Management Company, LLC
SCHEDULE 13D/A · filed Dec 15, 2025 · Common Stock, par value $0.001 · 11.1% in Dec 10, 2025
Solas Capital Management, LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.001 per share · 3.5% in Aug 14, 2025
AWM Investment Company, Inc.
SCHEDULE 13G/A · filed May 9, 2025 · Common Stock · 7.1% in Feb 13, 2025
Opaleye Management Inc.
SCHEDULE 13G/A · filed Jul 31, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 9.99% in May 4, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 30, 2026 · Common Stock · reported falling below 5%, from 5.6% in Oct 17, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 5.19% in Jul 29, 2025
What SNWV reports owning in othersstakes of 5% or more, and other ties
2 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 21, 2024.
Insider tradesForm 4
10sales
0purchases
0sales on a scheduled plan
3people selling
$9.5Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 26 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Besser James E | director | 4 | $4.5M | 0 | 0 | $0 |
| Manchester Management Co LLC | director | 4 | $4.5M | 0 | 0 | $0 |
| Opaleye Management Inc. | 10% owner | 11 | $2.2M | 0 | 1 | $0 |
| Manchester Management Pr, LLC | director | 2 | $600,000 | 0 | 0 | $0 |