15-12G

15-12G 1 d924412d1512g.htm 15-12G 15-12G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number 001-38263

ALTAIR ENGINEERING INC.

(Exact name of registrant as specified in its charter)

1820 East Big Beaver Road

Troy, Michigan 48083

248-614-2400

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Class A Common Stock, $0.0001 par value per share

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under Section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:


Rule 12g-4(a)(1)		☒
Rule 12g-4(a)(2)		☐
Rule 12h-3(b)(1)(i)		☒
Rule 12h-3(b)(1)(ii)		☐
Rule 15d-6		☐
Rule 15d-22(b)		☐

Approximate number of holders of record as of the certification or notice date: One

Pursuant to the requirements of the Securities Exchange Act of 1934, Altair Engineering Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.


Date: April 7, 2025	By:	/s/ Anthony L. Hemmelgarn
	Name:	Anthony L. Hemmelgarn
	Title:	Chief Executive Officer

SEC Form 15-12G filed by Altair Engineering Inc.