# EDGAR Filing Document

**Accession Number:** 0000808326
**File Stem:** 0001535264-23-000042
**Filing Date:** 2023-2
**Character Count:** 5528
**Document Hash:** 8df31f82ca9fa8dcc301360222da9249
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001535264-23-000042.hdr.sgml**: 20230222

**ACCESSION NUMBER**: 0001535264-23-000042

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230215

**FILED AS OF DATE**: 20230222

**DATE AS OF CHANGE**: 20230222

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AWM Investment Company, Inc.
- **CENTRAL INDEX KEY:** 0001535264
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36632
- **FILM NUMBER:** 23652359

**BUSINESS ADDRESS:**
- **STREET 1:** 527 MADISON AVENUE
- **STREET 2:** SUITE 2600
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-319-6670

**MAIL ADDRESS:**
- **STREET 1:** 527 MADISON AVENUE
- **STREET 2:** SUITE 2600
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EMCORE CORP
- **CENTRAL INDEX KEY:** 0000808326
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **IRS NUMBER:** 222746503
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 0930

**BUSINESS ADDRESS:**
- **STREET 1:** 2015 W. CHESTNUT STREET
- **CITY:** ALHAMBRA
- **STATE:** CA
- **ZIP:** 91803
- **BUSINESS PHONE:** 626-293-3400

**MAIL ADDRESS:**
- **STREET 1:** 2015 W. CHESTNUT STREET
- **CITY:** ALHAMBRA
- **STATE:** CA
- **ZIP:** 91803

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>AWM Investment Company, Inc.<br><sub>(Last) (First) (Middle)</sub><br>527 MADISON AVENUE<br>SUITE 2600<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>EMCORE CORP [ EMKR ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2023-02-15 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 6539988<sup>(1)(2)</sup> | I<sup>(1)(2)</sup> | By Limited Partnerships<sup>(1)(2)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) AWM Investment Company, Inc., a Delaware corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (Cay), Special Situations Private Equity Fund, L.P. (SSPE), Special Situations Technology Fund, L.P. (Tech) and Special Situations Technology Fund II, L.P.  (T2 and together with SSFQP, Cay, SSPE and Tech the Funds).  As the investment adviser to the Funds, AWM holds sole voting and investment power over 2,837,143 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 736,984 Shares held by Cay, 609,074 Shares held by SSPE, 362,583 Shares held by Tech and 1,994,204 Shares held by T2.

(2) David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM.  The reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

**Signature:** Adam Stettner  
**Date:** 2023-02-22

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**