Micware stake: Segawa reports 7.1% ownership

Micware Co., Ltd. is reported to have 4,292,210 American Depositary Shares beneficially owned by Takuma Segawa, equal to 7.1% of this class of securities.

Rhea-AI Filing Summary

Micware Co., Ltd. is reported to have 4,292,210 American Depositary Shares beneficially owned by Takuma Segawa, equal to 7.1% of this class of securities. All of these shares are reported with sole voting and sole dispositive power, with no shared voting or dispositive authority.

The reported beneficial ownership consists of 3,665,610 ordinary shares directly held by Takuma Segawa and an additional 626,600 ordinary shares issuable upon exercise of stock options held by him as of June 30, 2026. The 7.1% ownership percentage is calculated using 59,419,414 ordinary shares outstanding plus the 626,600 shares underlying Segawa’s stock options.

Key Figures

Beneficial ownership: 4,292,210 shares Ownership percentage: 7.1 % Directly held ordinary shares: 3,665,610 shares +4 more

7 metrics

Beneficial ownership 4,292,210 shares American Depositary Shares beneficially owned by Takuma Segawa

Ownership percentage 7.1 % Percent of Micware American Depositary Shares class

Directly held ordinary shares 3,665,610 shares Ordinary shares directly held by Takuma Segawa

Shares issuable from options 626,600 shares Ordinary shares issuable upon exercise of stock options held by Segawa

Shares outstanding baseline 59,419,414 shares Ordinary shares outstanding used to calculate ownership percentage

Sole voting power 4,292,210 shares Shares over which Segawa has sole power to vote

Sole dispositive power 4,292,210 shares Shares over which Segawa has sole power to dispose

Key Terms

beneficially owned, sole voting power, sole dispositive power, American Depositary Shares, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 4,292,210.00"

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

"5 | Sole Voting Power 4,292,210.00 6 | Shared Voting Power 0.00"

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

"7 | Sole Dispositive Power 4,292,210.00 8 | Shared Dispositive Power 0.00"

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.

American Depositary Shares financial

"(d) | Title of class of securities: American Depositary Shares, each representing one ordinary share"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

CUSIP Number financial

"(e) | CUSIP Number(s): 59490A100"

A CUSIP number is a nine-character code that uniquely identifies a specific U.S. or Canadian stock, bond, or other security, similar to a barcode or a social-security number for a financial instrument. It matters to investors because it removes confusion between similar securities, ensures trades and settlements are applied to the correct issue, and helps locate official documents and transaction records quickly.

FAQ

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

How many Micware (MWC) shares does Takuma Segawa beneficially own?

Takuma Segawa beneficially owns 4,292,210 Micware American Depositary Shares. This total includes directly held ordinary shares and additional shares issuable upon exercise of stock options as of June 30, 2026.

What percentage of Micware (MWC) does Takuma Segawa own?

Takuma Segawa’s beneficial ownership is reported at 7.1% of Micware’s American Depositary Shares. The percentage is based on 59,419,414 ordinary shares outstanding plus 626,600 shares underlying his stock options.

How is Takuma Segawa’s Micware (MWC) ownership structured?

His beneficial ownership includes 3,665,610 ordinary shares held directly and 626,600 ordinary shares issuable upon exercise of stock options. All are reported with sole voting and sole dispositive power, and none with shared authority.

What is the share count used to calculate Segawa’s 7.1% stake in Micware (MWC)?

The 7.1% stake is calculated from 59,419,414 ordinary shares outstanding plus 626,600 ordinary shares issuable upon exercise of stock options held by Takuma Segawa, all measured as of June 30, 2026.

Does anyone share voting or dispositive power with Takuma Segawa over Micware (MWC) shares?

No. The report shows 4,292,210 shares with sole voting and sole dispositive power for Takuma Segawa, and 0 shares with shared voting or shared dispositive power.

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

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Available on EDGAR 07/28/2026 - 08:08 PM Accepted by SEC EDGAR 07/28/2026 - 08:07 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Micware Co., Ltd.

(Name of Issuer)

American Depositary Shares, each representing one ordinary share

(Title of Class of Securities)

59490A100

(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): 59490A100

1

Names of Reporting Persons

Segawa Takuma

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

JAPAN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,292,210.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,292,210.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,292,210.00

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)

7.1 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Note to Rows 5 and 7: Represents (i) 3,665,610 ordinary shares directly held by Takuma Segawa and (ii) an aggregate of 626,600 ordinary shares issuable upon exercise of stock options held by Takuma Segawa as of June 30, 2026. Note to Row 11: Percentage of class is calculated based on (i) 59,419,414 ordinary shares outstanding and (ii) an aggregate of 626,600 ordinary shares issuable upon exercise of stock options held by Takuma Segawa as of June 30, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Micware Co., Ltd.
(b)	Address of issuer's principal executive offices: Kobe Asahi Building 25th Floor 59 Naniwa-machi, Chuo-ku Kobe, Hyogo 650-0035
Item 2.
(a)	Name of person filing: Takuma Segawa
(b)	Address or principal business office or, if none, residence: Kobe Asahi Building 25th Floor 59 Naniwa-machi, Chuo-ku Kobe, Hyogo 650-0035
(c)	Citizenship: Japan
(d)	Title of class of securities: American Depositary Shares, each representing one ordinary share
(e)	CUSIP Number(s): 59490A100
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: 4,292,210.00
(b)	Percent of class: 7.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,292,210.00
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,292,210.00
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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:
	Not Applicable

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.

Segawa Takuma

Signature:	/s/ Takuma Segawa
Name/Title:	Takuma Segawa
Date:	07/28/2026