QSI files Form 8-K furnishing updated corporate presentation as Exhibit 99.1

Rhea-AI Filing Summary

Quantum-Si Incorporated posted an updated corporate presentation to its investor website on August 8, 2025. The company says it distributes slides and presentations from time to time to provide updates and summaries of its business, and the updated presentation slides are available in the "Investors" section at https://ir.quantum-si.com. The presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The filing explicitly states the information, including Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Exchange Act, nor incorporated by reference into registration statements except by specific reference. The report also lists Exhibit 104 (cover page interactive data file) and is signed by Chief Financial Officer Jeffry Keyes.

Insights

Financial Analyst

TL;DR: Routine Regulation FD furnishing of an updated investor presentation; no new financial metrics disclosed.

The company posted an updated corporate presentation to its investor site and furnished it as Exhibit 99.1. The filing contains no earnings data, guidance, transactions, or material financial disclosures. Because the presentation is expressly "furnished" and the company disclaims that it is "filed," this disclosure is procedural and maintains investor communications rather than altering the financial picture.

Corporate Governance Expert

TL;DR: Standard Reg FD update; important for transparency but not a material event per the filing language.

The Form 8-K documents a communication practice: updated slides were posted and furnished as an exhibit. The filing reiterates the company does not intend this furnishing to constitute a determination of materiality. From a disclosure controls perspective, the company followed Form 8-K procedures by furnishing exhibits and signing through its CFO, which satisfies routine reporting obligations without creating new legal liability under Section 18.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 8, 2025

QUANTUM-SI INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware			001-39486			85-1388175
(State or other jurisdiction of incorporation)			(Commission File Number)			(IRS Employer Identification No.)

29 Business Park Drive
Branford, Connecticut						06405
(Address of principal executive offices)						(Zip Code)

Registrant’s telephone number, including area code: (866) 688-7374

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Class A common stock, par value $0.0001 per share

QSI

The Nasdaq Stock Market LLC

Redeemable warrants, each whole warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50 per share

QSIAW

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company      o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 7.01.     Regulation FD Disclosure.

From time to time, Quantum-Si Incorporated (the “Company”) presents and/or distributes slides and presentations to the investment community to provide updates and summaries of its business. On August 8, 2025, the Company posted its updated corporate presentation to the Company’s website. The presentation slides are available on the “Investors” section of the Company’s website at https://ir.quantum-si.com. This presentation is also furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information in this Item 7.01, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any registration statement or other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. The furnishing of the information in this Item 7.01 and Exhibit 99.1 is not intended to, and does not, constitute a determination or admission by the Company that the information in this report is material or complete, or that investors should consider this information before making an investment decision with respect to any security of the Company or any of its affiliates.

Item 9.01      Financial Statements and Exhibits.

(d)Exhibits.

Exhibit No.						Description
99.1						Corporate Presentation of Quantum-Si Incorporated dated August 8, 2025
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

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 hereunto duly authorized.

			QUANTUM-SI INCORPORATED
			By:			/s/ Jeffry Keyes
			Name:			Jeffry Keyes
			Title:			Chief Financial Officer
Date: August 8, 2025

FAQ

What did Quantum-Si (QSI) report in this Form 8-K?

The company furnished an updated corporate presentation to its investor website on August 8, 2025, which is included as Exhibit 99.1 to the Form 8-K.

Where can I find the presentation Quantum-Si furnished?

The slides are available in the "Investors" section of the company website at https://ir.quantum-si.com and were furnished as Exhibit 99.1.

Is the presentation considered "filed" with the SEC?

No. The filing states the presentation and Exhibit 99.1 are being furnished and shall not be deemed "filed" for purposes of Section 18 of the Exchange Act.

What exhibits were included with the Form 8-K?

The Form 8-K lists Exhibit 99.1 (corporate presentation dated August 8, 2025) and Exhibit 104 (cover page interactive data file).

Who signed the Form 8-K for Quantum-Si?

The report was signed by Jeffry Keyes, Chief Financial Officer, on August 8, 2025.

Does the filing include financial statements or earnings data?

No. The Form 8-K only furnishes a corporate presentation and the cover page interactive data file; it does not include financial statements or earnings information.