X0202 SCHEDULE 13G/A 0001104659-17-007502 0001412394 XXXXXXXX LIVE 1 Common Stock, $0.0001 par value per share 06/30/2026 0001438423 EVERSPIN TECHNOLOGIES INC 30041T104 5670 W. CHANDLER BOULEVARD SUITE 130 CHANDLER AZ 85226 Rule 13d-1(d) Sigma Partners 8, L.P. b DE 0.00 0.00 0.00 0.00 0.00 0.0 PN Sigma Associates 8, L.P. b DE 0.00 0.00 0.00 0.00 0.00 0.0 PN Sigma Investors 8, L.P. b DE 0.00 0.00 0.00 0.00 0.00 0.0 PN Sigma Management 8, L.L.C. b DE 0.00 0.00 0.00 0.00 0.00 0.0 OO EVERSPIN TECHNOLOGIES INC 5670 W. CHANDLER BOULEVARD, SUITE 130, CHANDLER, AZ, 85226. The names of the persons filing this report (collectively, the "Reporting Persons") are: Sigma Partners 8, L.P. ("SP 8") Sigma Associates 8, L.P. ("SA 8") Sigma Investors 8, L.P. ("SI 8") Sigma Management 8, L.L.C. ("SM 8") The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13G. 1999 S. Bascom Ave. Suite 700 PMB 738 Campbell, CA 95008 SP 8 Delaware SA 8 Delaware SI 8 Delaware SM 8 Delaware Y Row 9 of each Reporting Person's cover page to this Schedule 13G sets forth the aggregate number of shares of common stock of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. SM 8 is the general partner of each of SP 8, SA 8 and SI 8 and shares voting and investment authority over the shares held by each of SP 8, SA 8 and SI 8. Row 11 of each Reporting Person's cover page to this Schedule 13G sets forth the percentages of the common stock of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. The percentage set forth in each row 11 is based upon 23,447,577 shares of common stock outstanding as of April 23, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on April 29, 2026. Row 5 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. Row 6 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. Row 7 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. Row 8 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2026 and is incorporated by reference. N Y Y Y Y Y Y Exhibit 99.1 Joint Filing Agreement (incorporated by reference to Exhibit 99.1 to the Reporting Persons' Schedule 13G filed with the SEC on February 9, 2017). Sigma Partners 8, L.P. /s/ Gregory Gretsch 07/27/2026 Sigma Associates 8, L.P. /s/ Gregory Gretsch 07/27/2026 Sigma Investors 8, L.P. /s/ Gregory Gretsch 07/27/2026 Sigma Management 8, L.L.C. /s/ Gregory Gretsch 07/27/2026