# EDGAR Filing Document

**Accession Number:** 0001177648
**File Stem:** 0001193125-26-022585
**Filing Date:** 2026-1
**Character Count:** 5912
**Document Hash:** 16f754991b1ac93ce7d15250630d4e5a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-022585.hdr.sgml**: 20260126

**ACCESSION NUMBER**: 0001193125-26-022585

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 9

**FILED AS OF DATE**: 20260126

**DATE AS OF CHANGE**: 20260126

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ENANTA PHARMACEUTICALS INC
- **CENTRAL INDEX KEY:** 0001177648
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 043205099
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35839
- **FILM NUMBER:** 26560613

**BUSINESS ADDRESS:**
- **STREET 1:** 4 KINGSBURY AVENUE
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472
- **BUSINESS PHONE:** 617 607 0800

**MAIL ADDRESS:**
- **STREET 1:** 4 KINGSBURY AVENUE
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**(Rule 14a-101)** 

**INFORMATION REQUIRED IN PROXY STATEMENT** 

**SCHEDULE 14A INFORMATION** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** 

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

## ENANTA PHARMACEUTICALS, INC.
**(Name of Registrant as Specified in its Charter)** 

**Not applicable.** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g26790dsp1aa.jpg) <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**C/O MEDIANT COMMUNICATIONS P.O. BOX 8016, CARY, NC 27512-9903**<br>![LOGO](g26790dap1bb.jpg)  | ![LOGO](g26790dsp1cc.jpg) |

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| <br>**Enanta Pharmaceuticals, Inc.**<br>**Annual Meeting of Stockholders**<br>Wednesday, March 11, 2026 5:00 PM, Eastern Time<br>Annual Meeting to be held live via the Internet - please visit www.proxydocs.com/ENTA for more details.<br>**You must register to attend the meeting online and/or participate at www.proxydocs.com/ENTA**<br>**For a convenient way to view the Notice, Proxy Statement and Annual Report on Form 10-K, VOTE, and obtain directions to attend the meeting, go to www.proxydocs.com/ENTA**<br>**To vote your proxy while visiting this site, you will need the 12 digit control number in the box below.**<br>This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting.<br>Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet.<br>If you want to receive a paper or e-mail copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year's meeting, you must make this request on or before February 27, 2026. | <br> ![LOGO](g26790dsp1hh.jpg) <br>| <br>**Meeting Materials:** Notice of Meeting and Proxy Statement & Annual Report or Form 10-K<br>**Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting to be Held on March 11, 2026. For Stockholders of Record as of January 16, 2026**<br>**To order paper materials, use one of the following methods:**<br>![LOGO](g26790dsp1dd.jpg) <br>**Internet:**<br> **www.investorelections.com/ENTA**<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g26790dsp1ee.jpg) <br>**Call:**<br> **1-866-648-8133**<br>![LOGO](g26790dsp1ff.jpg) <br>**Email:**<br> **paper@investorelections.com**<br>\* If requesting material by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions OR other inquiries should be included with your e-mail requesting material.<br>![LOGO](g26790dsp1gg.jpg) <br>|
|  |  | Have the 12 digit control number located in the box above available when you access the website and follow the instructions. |
| **SEE REVERSE FOR FULL AGENDA** |  |  |

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Copyright© 2026 BetaNXT, Inc. or its affiliates. All Rights Reserved

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| ![LOGO](g26790dsp1aa.jpg) | **Enanta Pharmaceuticals, Inc. Annual Meeting of Stockholders** |

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THE BOARD OF DIRECTORS RECOMMENDS A VOTE:

**FOR** ALL DIRECTOR NOMINEES LISTED IN PROPOSAL 1 AND **FOR** PROPOSALS 2, 3 AND 4.

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|:---|:---|
|  | **PROPOSAL** |
| 1. | To elect two Class I directors to serve until the 2029 Annual Meeting of Stockholders or until their respective successors are elected and qualified. |
|  | 1.01 Bruce L.A. Carter, Ph.D. |
|  | 1.02 Jay R. Luly, Ph.D. |
| 2. | To approve an amendment to our 2019 Equity Incentive Plan. |
| 3. | To approve, on an advisory basis, the compensation paid to our named executive officers, as disclosed in the proxy statement. |
| 4. | To ratify the appointment of PricewaterhouseCoopers LLP as Enanta's independent registered public accounting firm for the 2026 fiscal year. |
| 5. | To transact any other business that may properly come before the meeting or any adjournment of the meeting . |

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