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SNWV · Sanuwave Health, Inc.
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SNWV SANUWAVE Health (SNWV) Insider Trading, Ownership & Congress Trades

Medical Devices · Surgical & medical instruments & apparatus · CIK 0001417663
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
24
13F, latest reported quarter

What the filings say about SNWV

Insiders, 180 days
-$574.2K net sold
1 seller · 0% of sales under a 10b5-1 plan

SANUWAVE Health insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, SANUWAVE Health, Inc. insiders sold a net $574.2K of stock across 27 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Opaleye Management Inc.
SELL
2026-05-04 SECtraded 2026-05-01
10,081
$162.4K
-67.6%
Context
  • 12 earlier Form 4 trades (code P or S) here by this insider (3 buys, 9 sales), the last on Apr 30, 2026.
  • +5.1% median (+5.1% mean) 90-day return after 2 previous buys.
  • The trade is 1.2% of the 853,569 shares held after it.
  • No other insider sold within 30 days.
  • 24 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Opaleye Management Inc. sold about $162.4K of SNWV on May 1, 2026; 24 funds added in the latest 13F quarter.
Opaleye Management Inc.
SELL
2026-05-04 SECtraded 2026-05-01
500
$8.1K
-67.6%
Context
  • 12 earlier Form 4 trades (code P or S) here by this insider (3 buys, 9 sales), the last on Apr 30, 2026.
  • +5.1% median (+5.1% mean) 90-day return after 2 previous buys.
  • The trade is 10.0% of the 5,000 shares held after it.
  • No other insider sold within 30 days.
  • 24 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Opaleye Management Inc. sold about $8.1K of SNWV on May 1, 2026; 24 funds added in the latest 13F quarter.
Opaleye Management Inc.
SELL
2026-05-04 SECtraded 2026-04-30
1,000
$16.1K
-67.6%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (3 buys, 7 sales), the last on Apr 29, 2026.
  • +5.1% median (+5.1% mean) 90-day return after 2 previous buys.
  • The trade is 18.2% of the 5,500 shares held after it.
  • No other insider sold within 30 days.
  • 24 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Opaleye Management Inc. sold about $16.1K of SNWV on Apr 30, 2026; 24 funds added in the latest 13F quarter.
Opaleye Management Inc.
SELL
2026-05-04 SECtraded 2026-04-30
24,000
$387.6K
-67.6%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (3 buys, 7 sales), the last on Apr 29, 2026.
  • +5.1% median (+5.1% mean) 90-day return after 2 previous buys.
  • The trade is 2.8% of the 863,650 shares held after it.
  • No other insider sold within 30 days.
  • 24 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Opaleye Management Inc. sold about $387.6K of SNWV on Apr 30, 2026; 24 funds added in the latest 13F quarter.
Opaleye Management Inc.
SELL
2026-04-30 SECtraded 2026-04-29
1,000
$17.2K
-67.8%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (3 buys, 5 sales), the last on Apr 28, 2026.
  • +5.1% median (+5.1% mean) 90-day return after 2 previous buys.
  • The trade is 15.4% of the 6,500 shares held after it.
  • No other insider sold within 30 days.
  • 24 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Opaleye Management Inc. sold about $17.2K of SNWV on Apr 29, 2026; 24 funds added in the latest 13F quarter.
27 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 22 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$574.2K over 180 days
-$574.2K of it by a 10%+ holder
below 57% of Medical Devices
Congress
no House purchase disclosed in the last 12 months
Funds
24 funds bought in last quarter
below 68% of Medical Devices
Revenue
+35.0% year over year
more than 82% of Medical Devices
Margin
26.8% net margin
more than 95% of Medical Devices
Buybacks
no share repurchases reported
Short interest
4.0% of the float short (float per yahoo 2026-10-26) · 3.9 days to cover · settled 2026-09-30
below 58% of Medical Devices
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch SNWV

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-83.8%12M
-87%-54%-21%+13%2025-102025-122026-022026-042026-062026-082026-10 2025-12-08 · BESSER JAMES E sold $3.9M2025-12-08 · MANCHESTER MANAGEMENT CO LLC sold $3.9M2026-04-28 · Opaleye Management Inc. sold $808.8K2025-12-11 · MANCHESTER MANAGEMENT PR, LLC sold $422.3K2026-04-29 · Opaleye Management Inc. sold $403.0K2026-04-30 · Opaleye Management Inc. sold $387.6K2025-12-09 · BESSER JAMES E sold $268.6K2025-12-09 · MANCHESTER MANAGEMENT CO LLC sold $268.6K2025-12-10 · BESSER JAMES E sold $262.1K2025-12-10 · MANCHESTER MANAGEMENT CO LLC sold $262.1K2026-04-17 · Opaleye Management Inc. sold $230.5K2026-05-01 · Opaleye Management Inc. sold $162.4K2025-12-12 · MANCHESTER MANAGEMENT PR, LLC sold $136.8K2026-04-17 · Opaleye Management Inc. sold $102.3K2025-12-08 · BESSER JAMES E sold $63.2K2025-12-08 · MANCHESTER MANAGEMENT CO LLC sold $63.2K2026-04-28 · Opaleye Management Inc. sold $46.2K2026-04-29 · Opaleye Management Inc. sold $17.2K2026-04-30 · Opaleye Management Inc. sold $16.1K2026-05-01 · Opaleye Management Inc. sold $8.1K2026-04-21 · Opaleye Management Inc. sold $4.1K
Insider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns SNWV: institutional holders (13F)

13F holdings, latest reported quarter
Solas Capital Management, LLC
610,968 sh
$6.1M
AWM Investment Company, Inc.
454,550 sh
$4.5M
Praetorian PR LLC
395,000 sh
$4.0M
VANGUARD CAPITAL MANAGEMENT LLC
352,756 sh
$3.5M
Opaleye Management Inc.
306,140 sh
$3.1M

Congress trades in SNWV

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

SNWV planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

SNWV mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Ultra-Small Company Market Fund
$100.0K position · as of 2026-06-30
0.1%
iShares Micro-Cap ETF
$260.0K position · as of 2026-06-30
0.0%
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
$160.6K position · as of 2026-05-31
0.0%
1290 VT Micro Cap Portfolio
$17.5K position · as of 2026-06-30
0.0%
VANGUARD RUSSELL 2000 GROWTH INDEX FUND
$117.0K position · as of 2026-05-31
0.0%
VANGUARD RUSSELL 2000 INDEX FUND
$632.8K position · as of 2026-05-31
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $574.2K sold by insiders over 180 days, 24 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
PENBLFSMTDSIBNWRBYISRGTXGDXCMEWTMDXOMIRMD

SNWV financials

Revenue growth
+35.0%
XBRL, annual
Net margin
26.8%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$43.9M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+34.8%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$4.2M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
7.36x
long-term 2026-03-31 plus current 2026-03-31; equity 2026-06-30
Cash flow to debt
0.25x
TTM operating cash flow over long-term 2026-03-31 plus current 2026-03-31
Return on equity
n/a
average equity is zero or negative
Return on assets
+43.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
+282.9%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
14.91x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$54.7M
market value at close 2026-10-26 on 2026-08-04 shares, plus long-term 2026-03-31 plus current 2026-03-31, minus cash 2026-06-30
FCF yield
+9.7%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
prior-year trailing EPS was a loss, growth undefined
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$44.1M$32.6M$20.4M$16.7M
Gross profit$34.0M$24.6M$14.4M$12.4M
Operating income$4.9M$3.8M-$540.0K-$9.0M
Net income$11.8M-$33.1M-$25.8M-$10.3M
EPS (diluted)0.41-7.41-12.19-0.02
Operating cash flow$3.9M$2.5M-$4.5M-$17.2M
Cash$12.0M$10.2M$1.8M$1.2M
Long-term debt$16.1Mn/an/an/a
SEC XBRL, fiscal years, as known on 2026-10-28

SNWV Stock Sonar score 6/7 axes

Find similar shapesCompare

SNWV ranks highest on profitability (98th percentile) and growth (82nd), and lowest on insider conviction (21st), among Medical Devices peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
98
Inputs
  • Return on equityaverage equity is zero or negative
  • Return on assets+43.8% · 97 pct, sector of 214
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed+282.9% · 100 pct, sector of 188
Financial health
38
Inputs
  • Debt to equity7.36x · 1 pct, sector of 159
  • Cash flow to debt0.25x · 74 pct, sector of 150
Growth
82
Inputs
  • Revenue growth, YoY+35.0% · 82 pct, sector of 219
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
21
Inputs
  • Net Form 4 buying (codes P and S), 180d-$574K · 41 pct, sector of 140
  • Insider buyers, 180d0 · 0 pct, sector of 142
Institutional and government
32
Inputs
  • Funds adding, latest quarter24 · 32 pct, sector of 191
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
51
Inputs
  • Short interest, % of float+4.0% · 55 pct, sector of 240
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+11.1% · 46 pct, sector of 198
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

SNWV filings, in plain words

Are SANUWAVE Health insiders buying or selling SNWV?

In the 180 days to 2026-10-28, SANUWAVE Health insiders were net sellers, a net $574.2K across purchases and sales reported on Form 4, by 1 seller.

Read the full summary

In the 180 days to 2026-10-28, SANUWAVE Health insiders were net sellers of SNWV, a net $574.2K across purchases and sales reported on Form 4 by 1 seller. Most of that figure, $574.2K, came from a holder of 10% or more rather than an officer or director. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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