Bullish (BLSH) furnishes September 2025 monthly metrics in Form 6-K

Rhea-AI Filing Summary

Bullish submitted a Form 6-K to provide investors with its September 2025 operating metrics. The company furnished a press release and a detailed monthly metrics report as exhibits, both dated October 7, 2025, giving an update on recent business activity and performance trends.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of October 2025

Commission File No. 001-42797

BULLISH

10A Building A, 60 Nexus Way, Camana Bay,
George Town, Grand Cayman, Cayman Islands, KY1-9005

(Address of principal executive office)

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 x        Form 40-F ¨

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K

On October 7, 2025, Bullish issued a press release titled “Bullish releases September 2025 monthly metrics.” A copy of the press release and the monthly metrics for September 2025 are furnished as Exhibits 99.1 and 99.2, respectively, to this report on Form 6-K.

INDEX TO EXHIBITS

Exhibit No.	Description
99.1	Press release of Bullish dated October 7, 2025
99.2	Monthly Metrics Report for September 2025

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.

	BULLISH
Date: October 7, 2025	By:	/s/ Jose A. Torres
		Jose A. Torres
		Chief Accounting Officer

FAQ

What does Bullish (BLSH) disclose in this October 2025 Form 6-K?

Bullish discloses that it has furnished a press release and a detailed monthly metrics report for September 2025. These exhibits provide investors with recent operating information and performance trends for the company’s business.

What documents are attached to Bullish (BLSH) September 2025 6-K?

The Form 6-K includes two exhibits: a Bullish press release dated October 7, 2025 and a separate Monthly Metrics Report for September 2025. Together, they present updated information on the company’s recent operating metrics.

When did Bullish (BLSH) issue the press release referenced in the 6-K?

Bullish issued the referenced press release on October 7, 2025. That press release, titled “Bullish releases September 2025 monthly metrics,” is furnished as Exhibit 99.1 to the Form 6-K filed as a report of a foreign private issuer.

What is contained in Bullish’s (BLSH) September 2025 Monthly Metrics Report?

The Monthly Metrics Report for September 2025, furnished as Exhibit 99.2, contains Bullish’s detailed monthly metrics. While specific numbers are not in this summary, the exhibit provides quantitative operating data for that month to inform investors.

What SEC form does Bullish (BLSH) use for this September 2025 update?

Bullish uses Form 6-K, a report of a foreign private issuer, to furnish its September 2025 monthly metrics. The company indicates it files annual reports on Form 20-F and uses this 6-K to provide interim informational updates.