SCHEDULE 13G/A 0000935836-24-000695 0001105806 XXXXXXXX LIVE 4 Common Stock 12/31/2024 0000808326 EMCORE CORP 290846401 2015 W. CHESTNUT STREET ALHAMBRA CA 91803 Rule 13d-1(c) LYTTON LAURENCE W X1 126948.00 0.00 126948.00 0.00 126948.00 N 1.4 IN Percentage calculated based on 9,080,833 shares of Common Stock outstanding on January 14, 2025, as reported in the Form 10-K filed by the Issuer for the fiscal year ended September 30, 2024. EMCORE CORP 2015 W. CHESTNUT STREET ALHAMBRA, CALIFORNIA 91803 Laurence W. Lytton 467 Central Park West New York, NY 10025 USA Y 126,948 1.4% 126,948 0 126,948 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. LYTTON LAURENCE W /s/ Laurence W. Lytton 02/13/2025