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EMCORE Corporation a leading independent provider of advanced inertial navigation and sensing products serving the aerospace & defense, commercial, and industrial markets. We leverage industry-leading Photonic Integrated Chip (PIC), Quartz MEMS, and Lithium Niobate chip-level technology to deliver state-of-the-art component and system-level products across our end-market applications.

EMCORE's customers include leading aerospace and defense industry military and government contractors , tier 1 primes, and commercial and industrial electronics systems and service providers serving the worldwide navigation and inertial sensing market.

EMCORE's common stock is traded on the NASDAQ stock market under the symbol EMKR. The CUSIP number for EMKR common stock is 290846104. The CUSIP number is a nine-character number that uniquely identifies a particular security. CUSIP is an acronym for the Committee on Uniform Securities and Identification Procedures, the standards body which created and maintains the classification system. Foreign securities have a similar number, called the CINS number.

EMCORE's initial public offering took place on March 11, 1997.

EMKR does not sell shares directly to the public, but EMCORE shares may be purchased through your stockbroker or other registered broker.

On April 1, 2024, EMCORE completed a 10:1 reverse stock split for the Company’s outstanding shares of common stock. On February 15, 2012, EMCORE completed a 4:1 reverse stock split. On September 26, 2000, EMCORE completed a 2:1 stock split. Also, our CUSIP number will be updated to 290846401.

Electronic versions of EMCORE's SEC filings are available on this website at SEC filings and also at NASDAQ.com

Electronic versions of EMCORE financial information are available on this website at Financial information and also on NASDAQ.com at EMCORE Corporation (EMKR) Company Financials

EMCORE had a special dividend on July 6, 2016 to distribute $1.50 per share payable on July 29, 2016 to shareholders of record as of July 18, 2016. The company does not have a DRIP. For information on the special dividend please read the Press Release and IRS Form 8937 as filed 9.9.16.

EMCORE's independent auditors are KPMG LLP, 20 Pacifica 700 Irvine, CA 92618, 949-885-5400 Voice, 949-885-5410 Fax


EMCORE's stockholders with questions about lost stock certificates, name changes, etc., should contact EMCORE's transfer agent, Equiniti Trust Company, LLC 6201 15th Avenue Brooklyn, NY 11219.


EMCORE's fiscal year end is September.


EMCORE's recorded earnings webcasts are available on this website at Investor Conferences & Presentations

EMCORE's headquarters is located at:

EMCORE Corporation
450 Clark Drive
Budd Lake, NJ 07828
Tel: 626-293-3400
Fax: 626-293-3428

For a full list of these locations, please visit our Contact Us page

We were established in 1986 as a New Jersey corporation.


For information on product support please visit our Support web page.

For product manuals please visit our Support web page and select your product support category to direct your inquiry to the appropriate department.