# EDGAR Filing Document

**Accession Number:** 0001661073
**File Stem:** 0001057352-23-000016
**Filing Date:** 2023-2
**Character Count:** 6852
**Document Hash:** aeb995b232f6ec97ac6211a2d2087e02
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001057352-23-000016.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001057352-23-000016

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230214

**FILED AS OF DATE**: 20230216

**DATE AS OF CHANGE**: 20230216

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Wheeler Scott T
- **CENTRAL INDEX KEY:** 0001661073

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-24531
- **FILM NUMBER:** 23639955

**MAIL ADDRESS:**
- **STREET 1:** C/O COSTAR GROUP, INC.
- **STREET 2:** 1331 L STREET NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20005
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COSTAR GROUP, INC.
- **CENTRAL INDEX KEY:** 0001057352
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-BUSINESS SERVICES, NEC [7389]
- **IRS NUMBER:** 522091509
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1331 L STREET, NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20005
- **BUSINESS PHONE:** 2023466500

**MAIL ADDRESS:**
- **STREET 1:** 1331 L STREET, NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20005

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COSTAR GROUP INC
- **DATE OF NAME CHANGE:** 19990805

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Wheeler Scott T<br><sub>(Last) (First) (Middle)</sub><br>C/O COSTAR GROUP, INC.<br>1331 L STREET NW<br><sub>(Street)</sub><br>WASHINGTON, DC 20005<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-14 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Financial Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>COSTAR GROUP, INC. [ CSGP ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock, par value $0.01 per share | 2023-02-14 |  | D |  | 21418<sup>(1)</sup> | D | $0 | 295513 | D |  |
| Common Stock, par value $0.01 per share | 2023-02-14 |  | A |  | 83600<sup>(2)</sup> | A | $0 | 379113 | D |  |
| Common Stock, par value $0.01 per share | 2023-02-15 |  | F |  | 4141 | D | $76.78 | 374972 | D |  |
| Common Stock, par value $0.01 per share |  |  |  |  |  |  |  | 1214 | I | By Abraham James Wheeler Trust |
| Common Stock, par value $0.01 per share |  |  |  |  |  |  |  | 1280 | I | By Anna Karin Wheeler Trust |
| Common Stock, par value $0.01 per share |  |  |  |  |  |  |  | 679 | I | By Jacob Paul Wheeler Trust |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Option to Acquire Common Stock | $76.78 | 2023-02-14 |  | A |  | 21400 |  | <sup>(3)</sup> | 2033-02-13 | Common Stock | 21400.0 | $0 | 21400 | D |  |

---

### Footnotes:

(1) Shares forfeited from February 6, 2020 performance restricted stock grant upon certification of actual achievement of the performance goal by the Compensation Committee.

(2) Includes a grant of 40,400 shares of restricted common stock that vest in three equal installments on February 15, 2024, February 15, 2025 and February 15, 2026, and a grant of 43,200 shares of restricted common stock that vest based upon CoStar Group, Inc.'s achievement of a three-year performance goal.

(3) The option vests in three equal installments on February 15, 2024, February 15, 2025, and February 15, 2026.

**Signature:** /s/ Michael Rosenthall, Attorney-in-Fact  
**Date:** 2023-02-16

### 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.**