# EDGAR Filing Document

**Accession Number:** 0002101637
**File Stem:** 0002101637-26-000002
**Filing Date:** 2026-1
**Character Count:** 6217
**Document Hash:** 0a575f3bf5c606c73c73f82410e99539
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002101637-26-000002.hdr.sgml**: 20260105

**ACCESSION NUMBER**: 0002101637-26-000002

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260105

**DATE AS OF CHANGE**: 20260105

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ElAssir Mahmoud
- **CENTRAL INDEX KEY:** 0002101637

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36089
- **FILM NUMBER:** 26505758

**MAIL ADDRESS:**
- **STREET 1:** C/O RINGCENTRAL, INC.
- **STREET 2:** 20 DAVIS DRIVE
- **CITY:** BELMONT
- **STATE:** CA
- **ZIP:** 94002
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RingCentral, Inc.
- **CENTRAL INDEX KEY:** 0001384905
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 943322844
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 20 DAVIS DRIVE
- **CITY:** BELMONT
- **STATE:** CA
- **ZIP:** 94002
- **BUSINESS PHONE:** 650-472-4100

**MAIL ADDRESS:**
- **STREET 1:** 20 DAVIS DRIVE
- **CITY:** BELMONT
- **STATE:** CA
- **ZIP:** 94002

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RingCentral Inc
- **DATE OF NAME CHANGE:** 20070103

## Ex-24

POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of RingCentral, Inc.

(the "Company"), hereby constitutes and appoints John Marlow, Ashley Ta, and Jessica

Van Patten, as the undersigned's true and lawful attorneys-in-fact to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. complete and execute Forms 3, 4 and 5 and other forms and all amendments

thereto as such attorney-in-fact shall in his or her discretion determine to

be required or advisable pursuant to Section 16 of the Securities Exchange

Act of 1934 (as amended) and the rules and regulations promulgated

thereunder, or any successor laws and regulations, as a consequence of the

undersigned's ownership, acquisition or disposition of securities of the

Company; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. do all acts necessary in order to file such forms with the Securities and

Exchange Commission, any securities exchange or national association, the

Company and such other person or agency as the attorney-in-fact shall

deem appropriate.

The undersigned hereby ratifies and confirms all that said attorneysin-fact and

agents shall do or cause to be done by virtue hereof. The undersigned acknowledges that

the foregoing attorneys-in-fact, in serving in such capacity at the request of the

undersigned, are not assuming, nor is the Company assuming, any of the undersigned's

responsibilities to comply with Section 16 of the Securities Exchange Act of 1934 (as

amended).

This Power of Attorney shall remain in full force and effect until the undersigned

is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of

and transactions in securities issued by the Company, unless earlier revoked by the

undersigned in a signed writing delivered to the Company and the foregoing attorneys-in-

fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 04 day of December, 2025.

**Signature**:

/s/ Mahmoud ElAssir

**Print Name**:

Mahmoud ElAssir

### 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>ElAssir Mahmoud<br><sub>(Last) (First) (Middle)</sub><br>C/O RINGCENTRAL, INC.<br>20 DAVIS DRIVE<br><sub>(Street)</sub><br>BELMONT, CA 94002<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>RingCentral, Inc. [ RNG ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-12-31 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 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 |

---

## 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 |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Ashley Ta, Attorney-in-Fact  
**Date:** 2026-01-05

### 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.**