Opaleye reports 3.60% stake in SANUWAVE Health

Rhea-AI Filing Summary

Opaleye Management Inc., Opaleye, L.P., and James Silverman report beneficial ownership of SANUWAVE Health, Inc. common stock on an amended Schedule 13G. The reporting persons are deemed to beneficially own 309,948 shares of common stock, representing 3.60% of the class, based on 8,598,976 shares outstanding as of May 8, 2026. All 309,948 shares are held directly by Opaleye, L.P., with shared voting and dispositive power and no sole voting or dispositive power reported. The filing states this reflects ownership of 5 percent or less of the class and includes a joint filing agreement among the reporting persons.

Key Figures

Beneficially owned shares: 309,948 shares Percent of class: 3.60 % Shares outstanding: 8,598,976 shares +3 more

6 metrics

Beneficially owned shares 309,948 shares Shares of SANUWAVE Health common stock reported as beneficially owned by the reporting persons

Percent of class 3.60 % Portion of SANUWAVE Health common stock class represented by 309,948 shares

Shares outstanding 8,598,976 shares SANUWAVE Health common stock outstanding as of May 8, 2026, referenced from Form 10-Q

Shared voting power 309,948.00 Number of SANUWAVE shares over which the reporting persons have shared voting power

Sole voting power 0.00 Number of SANUWAVE shares over which the reporting persons have sole voting power

Filing amendment number Amendment No. 7 Indicates this is the seventh amendment to the Schedule 13G for SANUWAVE Health

Key Terms

beneficially own, dispositive power, Schedule 13G, Ownership of 5 Percent or Less of a Class, +1 more

5 terms

beneficially own regulatory

"may be deemed to beneficially own the 309,948 shares of Common Stock held directly"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

dispositive power regulatory

"Sole Dispositive Power 0.00 8 | Shared Dispositive Power 309,948.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13G regulatory

"The filing of this statement shall not be construed as an admission under Schedule 13G"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Ownership of 5 Percent or Less of a Class regulatory

"Item 5. | Ownership of 5 Percent or Less of a Class."

investment adviser financial

"The Adviser, as investment adviser to the Fund, may be deemed to beneficially own"

An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of SANUWAVE Health (SNWV) shares does Opaleye report owning?

Opaleye and related reporting persons report 3.60% beneficial ownership of SANUWAVE Health common stock. This is based on 8,598,976 shares outstanding as of May 8, 2026, as referenced in the company’s Form 10-Q.

How many SANUWAVE Health (SNWV) shares are beneficially owned by the Opaleye group?

The reporting persons disclose beneficial ownership of 309,948 shares of SANUWAVE Health common stock. These shares are held directly by Opaleye, L.P., with Opaleye Management Inc. and James Silverman deemed to share beneficial ownership through advisory and control roles.

Does the Opaleye group have sole or shared voting power over SANUWAVE Health (SNWV) shares?

The Opaleye group reports 0 shares with sole voting power and 309,948 shares with shared voting power. They also report the same 309,948 shares with shared dispositive power and no sole dispositive power.

Is the Opaleye group a 5% or greater shareholder of SANUWAVE Health (SNWV)?

No. The filing specifies beneficial ownership of 3.60% of SANUWAVE Health’s common stock. It is explicitly reported under the item titled “Ownership of 5 Percent or Less of a Class”, confirming the stake is below the 5% threshold.

On what share count is Opaleye’s 3.60% SANUWAVE Health (SNWV) ownership based?

The 3.60% ownership figure is calculated using 8,598,976 shares of SANUWAVE Health common stock outstanding. This outstanding share count is described as of May 8, 2026 and is referenced from the issuer’s Form 10-Q filed May 12, 2026.

Who are the reporting persons in the SANUWAVE Health (SNWV) Schedule 13G/A Amendment No. 7?

The reporting persons are Opaleye Management Inc. (the Adviser), Opaleye, L.P. (the Fund), and James Silverman. The Adviser and Mr. Silverman may be deemed to beneficially own the 309,948 shares held directly by the Fund, subject to stated ownership disclaimers.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 07/31/2026 - 04:06 PM Accepted by SEC EDGAR 07/31/2026 - 04:05 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 7)

SANUWAVE Health, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

80303D305

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 80303D305

1

Names of Reporting Persons

Opaleye Management Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 309,948.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 309,948.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

309,948.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.60 %

12

Type of Reporting Person (See Instructions)

IA, CO

SCHEDULE 13G

CUSIP Number(s): 80303D305

1

Names of Reporting Persons

Opaleye, L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 309,948.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 309,948.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

309,948.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.60 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Based on 8,598,976 shares of Common Stock outstanding as of May 8, 2026 as reported by SANUWAVE Health, Inc. on May 12, 2026, in its Form 10-Q.

SCHEDULE 13G

CUSIP Number(s): 80303D305

1

Names of Reporting Persons

James Silverman

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 309,948.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 309,948.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

309,948.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.60 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: SANUWAVE Health, Inc.
(b)	Address of issuer's principal executive offices: 3360 Martin Farm Rd, Suite 100, Suwanee, GA, 30024
Item 2.
(a)	Name of person filing: This statement is filed by (i) Opaleye Management Inc. (the "Adviser"), (ii) Opaleye, L.P. (the "Fund"), and (iii) James Silverman (collectively, the "Reporting Persons"). The Fund directly holds 309,948 shares of Common Stock, par value $0.001 per share (the "Common Stock"), of SANUWAVE Health, Inc. (the "Issuer"). The Adviser, as investment adviser to the Fund, and Mr. Silverman, as the controlling person of the Adviser, may be deemed to beneficially own the 309,948 shares of Common Stock held directly by the Fund. The filing of this statement shall not be construed as an admission that any Reporting Person is the beneficial owner of any securities covered by this statement for purposes of Section 13 of the Securities Exchange Act of 1934, as amended, or otherwise.
(b)	Address or principal business office or, if none, residence: One Boston Place, 26th Floor, Boston, MA 02108
(c)	Citizenship: Opaleye Management Inc. - Massachusetts Opaleye, L.P. - Delaware James Silverman - United States
(d)	Title of class of securities: Common Stock, par value $0.001 per share
(e)	CUSIP No.: 80303D305
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 309,948.00
(b)	Percent of class: 3.60 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 309,948.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 309,948.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Opaleye Management Inc.

Signature:	/s/ James Silverman
Name/Title:	President
Date:	07/31/2026

Opaleye, L.P.

Signature:	/s/ James Silverman
Name/Title:	General Partner
Date:	07/31/2026

James Silverman

Signature:	/s/ James Silverman
Name/Title:	Individually
Date:	07/31/2026

Exhibit Information

Exhibit 99.1 Joint Filing Agreement by and among the reporting persons