OSR Health stake: Korea investor owns 3.4% of stock

OSR Health, Inc. received an amended Schedule 13G/A from joint protein central, inc., a Korean entity, reporting its ownership in the company’s common stock.

Rhea-AI Filing Summary

OSR Health, Inc. received an amended Schedule 13G/A from joint protein central, inc., a Korean entity, reporting its ownership in the company’s common stock. The investor reports beneficial ownership of 1,200,000 shares of common stock, representing 3.4% of OSR Health’s outstanding common stock.

The filing states that joint protein central, inc. has sole voting power and sole dispositive power over all 1,200,000 shares, with no shared voting or dispositive power. The ownership is explicitly reported as 5 percent or less of the class, reflecting a non-controlling but still notable minority position.

Key Figures

Shares beneficially owned: 1,200,000 shares Percent of class owned: 3.4% Sole voting power: 1,200,000 shares +3 more

6 metrics

Shares beneficially owned 1,200,000 shares Common stock of OSR Health, Inc. reported by joint protein central, inc.

Percent of class owned 3.4% Percentage of OSR Health, Inc. common stock class held by joint protein central, inc.

Sole voting power 1,200,000 shares Shares over which joint protein central, inc. has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which joint protein central, inc. has shared power to vote

Sole dispositive power 1,200,000 shares Shares over which joint protein central, inc. has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which joint protein central, inc. has shared power to dispose

Key Terms

Schedule 13G/A, beneficially owned, sole voting power, sole dispositive power, +1 more

5 terms

Schedule 13G/A regulatory

"received an amended Schedule 13G/A from joint protein central, inc."

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"Amount beneficially owned: 1,200,000 shares of common stock"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole voting power financial

"Sole Voting Power 1,200,000.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole Dispositive Power 1,200,000.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"Percent of class: 3.4%"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

FAQ

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

What percentage of OSRH common stock does joint protein central, inc. report owning?

joint protein central, inc. reports owning 3.4% of OSR Health, Inc.’s common stock. This corresponds to 1,200,000 shares beneficially owned, as disclosed in the Schedule 13G/A amendment.

How many OSRH shares are beneficially owned by joint protein central, inc.?

joint protein central, inc. reports beneficial ownership of 1,200,000 shares of OSR Health, Inc. common stock. The filing also notes that this entire amount is subject to its sole voting and sole dispositive power.

Does joint protein central, inc. have sole or shared voting power over its OSRH shares?

joint protein central, inc. reports sole voting power over 1,200,000 shares of OSR Health, Inc. and 0 shares with shared voting power, indicating full voting control over its reported holdings.

What dispositive power over OSRH shares does joint protein central, inc. report?

The investor reports sole dispositive power over 1,200,000 shares of OSR Health, Inc. common stock and no shared dispositive power. This means it alone can direct how these shares are disposed of or transferred.

Is joint protein central, inc.’s OSRH ownership above or below 5% of the class?

The ownership is reported as 5 percent or less of the class, specifically 3.4%. This indicates a significant but non-controlling minority stake in OSR Health, Inc. common stock.

Where is joint protein central, inc., a holder of OSRH shares, organized?

joint protein central, inc. is organized in the Republic of Korea. Its principal business office is listed at 3 jeongung-ro, namsa-eup, cheoin-gu, yongin, Gyounggi-do in Korea.

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

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Available on EDGAR 08/17/2026 - 05:55 PM Accepted by SEC EDGAR 08/17/2026 - 05:55 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. 1)

OSR Health, Inc.

(Name of Issuer)

common stock

(Title of Class of Securities)

68840D102

(CUSIP Number)

06/24/2026

(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): 68840D102

1

Names of Reporting Persons

joint protein central 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

KOREA, REPUBLIC OF

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,200,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,200,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,200,000.00

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)

3.4 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: OSR Health, Inc.
(b)	Address of issuer's principal executive offices: 10900 NE 4TH STREET, SUITE 2300, BELLEVUE, WASHINGTON, 98004
Item 2.
(a)	Name of person filing: joint protein central, inc.
(b)	Address or principal business office or, if none, residence: 3 jeongung-ro, namsa-eup, cheoin-gu, yongin, Gyounggi-do
(c)	Citizenship: Korea
(d)	Title of class of securities: common stock
(e)	CUSIP No.: 68840D102
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: 1,200,000 shares of common stock
(b)	Percent of class: 3.4%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,200,000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,200,000
	(iv) Shared power to dispose or to direct the disposition of: 0
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.

joint protein central inc.

Signature:	senyon choe
Name/Title:	director
Date:	08/17/2026