Allegro MicroSystems (NASDAQ: ALGM) posts results for Sept. 26, 2025 quarter

Rhea-AI Filing Summary

Allegro MicroSystems, Inc. filed a current report to note that on October 30, 2025 it issued a press release announcing its financial results for the quarter ended September 26, 2025. The company has furnished the full text of this press release as Exhibit 99.1, and it is incorporated by reference into the report. The company also notes that this information is being furnished rather than filed under the securities laws, which affects how related liabilities apply. The report is signed on behalf of Allegro MicroSystems by Derek P. D’Antilio, Executive Vice President, Chief Financial Officer and Treasurer.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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): October 30, 2025

Allegro MicroSystems, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-39675	46-2405937
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
955 Perimeter Road
Manchester, New Hampshire				03103
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (603) 626-2300

(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:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	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
Common Stock, par value $0.01 per share		ALGM		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 ☐

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. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 30, 2025, Allegro MicroSystems, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended September 26, 2025. The full text of the press release issued is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Current Report on Form 8-K (including Exhibit 99.1) 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 to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
Exhibit 99.1		Press Release issued by Allegro MicroSystems, Inc. on October 30, 2025
Exhibit 104		Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

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.

		ALLEGRO MICROSYSTEMS, INC.
Date: October 30, 2025		By:	/s/ Derek P. D’Antilio
			Derek P. D’Antilio
			Executive Vice President, Chief Financial Officer and Treasurer

FAQ

What did Allegro MicroSystems (ALGM) disclose in this current report?

Allegro MicroSystems disclosed that it issued a press release on October 30, 2025 announcing its financial results for the quarter ended September 26, 2025, furnished as Exhibit 99.1.

Which period do the latest Allegro MicroSystems (ALGM) results cover?

The financial results discussed in the press release cover the quarter ended September 26, 2025.

Where can investors find the detailed Allegro MicroSystems (ALGM) quarterly results?

The detailed results are contained in the press release furnished as Exhibit 99.1 to the current report and incorporated by reference.

Is the Allegro MicroSystems (ALGM) earnings press release considered filed with the SEC?

The company states that the information in this current report, including Exhibit 99.1, is being furnished and shall not be deemed filed for purposes of Section 18 of the Exchange Act.

Who signed the Allegro MicroSystems (ALGM) current report related to the September 26, 2025 quarter?

The report was signed by Derek P. D’Antilio, Executive Vice President, Chief Financial Officer and Treasurer of Allegro MicroSystems, Inc.

What exhibits are included with this Allegro MicroSystems (ALGM) current report?

The report includes Exhibit 99.1, a press release issued on October 30, 2025, and Exhibit 104, the cover page interactive data file in Inline XBRL format.