ChipMOS (Nasdaq: IMOS) details 2026 shareholder meeting and ADS proposal dates

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. filed a Form 6-K to notify holders of its American Depositary Shares about key dates for the 2026 annual shareholders’ meeting. The submission period for shareholder proposals under ROC Company Law runs from March 20, 2026 to March 30, 2026.

ADS holders must ensure the Depositary, Citibank, N.A., receives any shareholder proposals between March 20, 2026 and March 26, 2026, in line with the Deposit Agreement. The 2026 annual shareholders’ meeting is scheduled for May 26, 2026 in Hsinchu, Taiwan, with an ADS record date of March 27, 2026.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2026

Commission File Number 001-37928

ChipMOS TECHNOLOGIES INC.

(Translation of Registrant’s Name into English)

No. 1, R&D Rd. 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic of China

(Address of Principal Executive Offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F ☒ Form 40-F ☐

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: February 24, 2026				ChipMOS TECHNOLOGIES INC.         (Registrant)
				By:		/S/ S. J. Cheng
				Name:		S. J. Cheng
				Title:		Chairman & President

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Notice to Holders of American Depositary Shares

ChipMOS TECHNOLOGIES INC. (TWSE: 8150; Nasdaq: IMOS; “ChipMOS”) provides this notice pursuant to Section 4.16(a) of the Deposit Agreement dated as of October 31, 2016, between ChipMOS, Citibank, N.A., as Depositary, and the holders and beneficial owners of American Depositary Shares (“ADSs”) issued and outstanding thereunder (the “Deposit Agreement”). ChipMOS hereby informs ADSs holders that the submission period for shareholder proposals pursuant to the ROC Company Law in connection with ChipMOS’s 2026 annual shareholders’ meeting will begin on March 20, 2026 and end on March 30, 2026 (“Submission Period”). Pursuant to Section 4.16(b) of the Deposit Agreement, any proposal submitted by an ADS holder must be received by the Depositary at least two business days prior to the expiration of the Submission Period. Therefore, any proposal submitted by ADS holders must be received by the Depositary between March 20, 2026 and March 26, 2026. The 2026 annual shareholders' meeting will be held on May 26, 2026 at Hsinchu Science Park Life Hub, Einstein Hall (2F, No. 1, Industry E. 2nd Rd., Hsinchu Science Park, Hsinchu City, Taiwan). The ADS Record Date in connection with this meeting is March 27, 2026.

For all enquiries, please contact Citibank Shareholder Services at 1-877-CITI-ADR (248-4237).

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FAQ

What does ChipMOS (IMOS) disclose in this Form 6-K?

ChipMOS TECHNOLOGIES INC. uses this Form 6-K to notify American Depositary Share holders about the timetable for its 2026 annual shareholders’ meeting, including proposal submission windows, the ADS record date of March 27, 2026, and the meeting date of May 26, 2026 in Hsinchu, Taiwan.

When is ChipMOS’s 2026 annual shareholders’ meeting scheduled?

ChipMOS’s 2026 annual shareholders’ meeting is scheduled for May 26, 2026. It will be held at Hsinchu Science Park Life Hub, Einstein Hall, in Hsinchu City, Taiwan, giving shareholders and ADS holders a clear date and location for corporate governance decisions.

What is the shareholder proposal submission period for ChipMOS in 2026?

Under ROC Company Law, ChipMOS’s shareholder proposal submission period runs from March 20, 2026 to March 30, 2026. This window applies to shareholders generally and defines when proposals tied to the 2026 annual shareholders’ meeting must be submitted for consideration.

What is the deadline for ChipMOS ADS holders to submit shareholder proposals?

ADS holders must have any shareholder proposals received by Citibank, N.A., the Depositary, between March 20, 2026 and March 26, 2026. This earlier cutoff satisfies the Deposit Agreement requirement that ADS proposals arrive at least two business days before the submission period expires.

What is the ADS record date for ChipMOS’s 2026 annual meeting?

The ADS record date for ChipMOS’s 2026 annual shareholders’ meeting is March 27, 2026. Holders of American Depositary Shares as of that date will be the beneficial owners recognized for purposes connected with the meeting and related shareholder actions.

How can ChipMOS ADS holders get assistance about the 2026 meeting?

ADS holders can contact Citibank Shareholder Services at 1-877-CITI-ADR (248-4237) for assistance. Citibank, N.A., acts as the Depositary under the Deposit Agreement governing ChipMOS’s American Depositary Shares and handles proposal submissions and related ADS-holder inquiries.