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SNWV

SANUWAVE Health (SNWV) stock: insider trades, news & valuation

Net selling
Close · Oct 9, 2026 $5.62 -3.8% on the day -82.6% over 12 months 52-week range $4.00 – $35.34

Share price and insider trades

SNWV closeInsider buyInsider sale
010203040NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $4,141 on 2026-04-21 · Opaleye Management Inc.Sold $136,760 on 2025-12-12 · Manchester Management Pr, LlcSold $170,460 on 2026-05-01 · Opaleye Management Inc.Sold $332,823 on 2026-04-17 · Opaleye Management Inc.Sold $403,750 on 2026-04-30 · Opaleye Management Inc.Sold $420,210 on 2026-04-29 · Opaleye Management Inc.Sold $422,280 on 2025-12-11 · Manchester Management Pr, LlcSold $524,228 on 2025-12-10 · James E Besser, Manchester Management Co LlcSold $537,291 on 2025-12-09 · James E Besser, Manchester Management Co LlcSold $854,939 on 2026-04-28 · Opaleye Management Inc.Sold $7,838,500 on 2025-12-08 · James E Besser, Manchester Management Co Llc
Bought, 12 months$38K
Sold, 12 months$11.6M
Insiders buying1
Insiders selling4

SANUWAVE Health insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $38K and 4 sold $11.6M of SNWV stock on the open market.

SNWV insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $38K bought (1 trades)$38KQ4 2025: $9.5M sold (10 trades)Q4 2025Q1 2026Q2 2026: $2.2M sold (11 trades)Q2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026—0$2.2M11
Q1 2026—0—0
Q4 2025$38K1$9.5M10

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.7×Last 5 sessions
Insiders' paper profit−$31KOn all tracked purchases -81.4%

Summary

Over the past 12 months, 1 SANUWAVE Health, Inc. insider reported open-market purchases totaling $38K, while 4 insiders reported sales totaling $11.6M. Among insiders with enough purchase history to measure, Opaleye Management Inc. (10% Owner) has the highest Insider Score at 99. 0 of 21 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
May 4SEC Opaleye Management Inc.10% Owner Sell 24,000863,650 held (−3%) $16.15 $388K -65.2% 99
May 4SEC Opaleye Management Inc.10% Owner Sell 10,081853,569 held (−1%) $16.11 $162K -65.1% 99
May 4SEC Opaleye Management Inc.10% Owner Sell 1,0005,500 held (−15%) $16.15 $16K -65.2% 99
May 4SEC Opaleye Management Inc.10% Owner Sell 5005,000 held (−9%) $16.11 $8K -65.1% 99
Apr 30SEC Opaleye Management Inc.10% Owner Sell 43,788911,010 held (−5%) $18.47 $809K -69.6% 99
Apr 30SEC Opaleye Management Inc.10% Owner Sell 23,360887,650 held (−3%) $17.25 $403K -67.4% 99
Apr 30SEC Opaleye Management Inc.10% Owner Sell 2,5007,500 held (−25%) $18.47 $46K -69.6% 99
Apr 30SEC Opaleye Management Inc.10% Owner Sell 1,0006,500 held (−13%) $17.25 $17K -67.4% 99
Apr 21SEC Opaleye Management Inc.10% Owner Sell 11,267955,000 held (−1%) $20.46 $231K -72.5% 99
Apr 21SEC Opaleye Management Inc.10% Owner Sell 5,00010,000 held (−33%) $20.46 $102K -72.5% 99
Apr 21SEC Opaleye Management Inc.10% Owner Sell 202954,798 held (−0%) $20.50 $4K -72.6% 99
Dec 15SEC Manchester Management Pr, LlcDirector By Deputization Sell 13,50070,499 held (−16%) $31.28 $422K -82.0% —
Dec 15SEC Manchester Management Pr, LlcDirector By Deputization Sell 6,50063,999 held (−9%) $21.04 $137K -73.3% —
Dec 11SEC James E BesserDirector By Deputization Sell 125,400881,390 held (−12%) $30.75 $3.9M -81.7% —
Dec 11SEC James E BesserDirector By Deputization Sell 8,785872,605 held (−1%) $30.58 $269K -81.6% —
Dec 11SEC James E BesserDirector By Deputization Sell 8,625863,980 held (−1%) $30.39 $262K -81.5% —
Dec 11SEC James E BesserDirector By Deputization Sell 2,0002,000 held (−50%) $31.60 $63K -82.2% —
Dec 10SEC Manchester Management Co LlcDirector By Deputization Sell 125,400881,390 held (−12%) $30.75 $3.9M -81.7% —
Dec 10SEC Manchester Management Co LlcDirector By Deputization Sell 8,785872,605 held (−1%) $30.58 $269K -81.6% —
Dec 10SEC Manchester Management Co LlcDirector By Deputization Sell 8,625863,980 held (−1%) $30.39 $262K -81.5% —
Dec 10SEC Manchester Management Co LlcDirector By Deputization Sell 2,0002,000 held (−50%) $31.60 $63K -82.2% —
Oct 9SEC Opaleye Management Inc.10% Owner Buy 1,267966,267 held (+0%) $30.28 $38K -81.4% 99

Insiders at SANUWAVE Health, Inc.

InsiderBoughtSoldLast filingScore
James E BesserDirector By Deputization — $4.5M Dec 11, 2025 —
Manchester Management Co LlcDirector By Deputization — $4.5M Dec 10, 2025 —
Opaleye Management Inc.10% Owner $38K $2.2M May 4, 2026 99
Manchester Management Pr, LlcDirector By Deputization — $559K Dec 15, 2025 —

SNWV stock: common questions

Are SANUWAVE Health, Inc. insiders buying SNWV stock?

In the past 12 months, 1 insiders reported open-market purchases of SNWV worth $38K. The latest was 10% Owner Opaleye Management Inc. bought $38K of SNWV at $30.28 — first open-market purchase in our records.

Are SANUWAVE Health, Inc. insiders selling SNWV stock?

4 insiders reported sales worth $11.6M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is SNWV's 52-week range?

Over the past year SNWV has traded between $4.00 and $35.34. It last closed at $5.62 on Oct 9, 2026.