SANUWAVE Health, Inc. (SNWV) Insider Trading

Over the last 6 months, 19 institutions increased and 16 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
May
Jun
Oct
Dec
Apr
May
Context3-month price -71.9%Institutions reducing (13F)
DateInsiderTypeSharesPrice
May 4, 2026Opaleye Management Inc.10 percent ownerSell500$16.11
May 4, 2026Opaleye Management Inc.10 percent ownerSell10,081$16.11
May 4, 2026Opaleye Management Inc.10 percent ownerSell24,000$16.15
May 4, 2026Opaleye Management Inc.10 percent ownerSell1,000$16.15
Apr 30, 2026Opaleye Management Inc.10 percent ownerSell2,500$18.47
Apr 30, 2026Opaleye Management Inc.10 percent ownerSell23,360$17.25
Apr 30, 2026Opaleye Management Inc.10 percent ownerSell1,000$17.25
Apr 30, 2026Opaleye Management Inc.10 percent ownerSell43,788$18.47
Apr 21, 2026Opaleye Management Inc.10 percent ownerSell11,267$20.46
Apr 21, 2026Opaleye Management Inc.10 percent ownerSell202$20.50
Apr 21, 2026Opaleye Management Inc.10 percent ownerSell5,000$20.46
Dec 15, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell6,500$21.04
Dec 15, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell13,500$31.28
Dec 10, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell8,625$30.39
Dec 10, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell125,400$30.75
Dec 10, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell2,000$31.60
Dec 10, 2025MANCHESTER MANAGEMENT CO LLCother: Director by DeputizationSell8,785$30.58
Oct 9, 2025Opaleye Management Inc.10 percent ownerBuy1,267$30.28
Jul 2, 2025Blizard JeffreydirectorGrant1,574$32.86
Jul 2, 2025Bazar Gregory MatthewdirectorGrant1,574$32.86
Jul 2, 2025Miller Ian D.directorGrant1,771$32.86
Jul 2, 2025FRANK MORGAN C.director, 10 percent owner, officer: Chief Executive OfficerGrant1,574$32.86
Jul 2, 2025Tyler JamesdirectorGrant1,574$32.86
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant6,000$15.00
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant1,761$29.80
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant1,559$22.76
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant533$41.25
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant0—
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant41,333$14.20
Jun 12, 2025Stolarski Anthony MichaeldirectorGrant89,664$25.13

Source: SNWV SEC Form 4 filings, latest May 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their SNWV positions over the last 6 months (SEC Form 13F).

Increased
19
New positions
17
Reduced
16
Sold out
63
Largest moves
InstitutionActionSharesFiled
OPALEYE MANAGEMENT INC.Reduced981KMay 15, 2026
BLACKROCK, INC.Reduced482KMay 13, 2026
AWM INVESTMENT COMPANY, INC.Unchanged455KMay 15, 2026
PRAETORIAN PR LLCIncreased350KMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position349KMay 15, 2026
SOLAS CAPITAL MANAGEMENT, LLCReduced288KMay 15, 2026
STIFEL FINANCIAL CORPIncreased252KMay 12, 2026
UBS GROUP AGIncreased210KMay 5, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased172KMay 15, 2026
STATE STREET CORPIncreased140KMay 15, 2026
NORTHERN TRUST CORPIncreased63KMay 14, 2026
VANGUARD FIDUCIARY TRUST CONew Position49KMay 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position44KMay 8, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLCIncreased41KMay 15, 2026
GOLDMAN SACHS GROUP INCReduced39KMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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