Company: FOX
Filing Date: 2025-10-23
Form Type: DEFA14A
Source: 0001628280-25-046082
Chunk: 0

Company: Fox Corp
Filing Date: 2025-10-23
Form: DEFA14A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION
<div align='center'>Washington, D.C. 20549</div>

<div align='center'>SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )</div>

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 under Section 240.14a-12                                    |

<div align='center'>Fox Corporation

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)</div>

Payment of Filing Fee (Check the appropriate box):

| ☒ |     | 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 |

<div align='center'>Supplement to Proxy Statement dated September 25, 2025

for the Virtual Annual Meeting of Stockholders to be held on

November 14, 2025, 10:00 a.m. Pacific Standard Time</div>

Dear Stockholder:

As you may have seen, Institutional Shareholder Services (“ISS”) has issued its proxy analysis and voting recommendations for Fox Corporation’s 2025 Annual Meeting of Stockholders. The FOX Board of Directors (“Board”) strongly disagrees with ISS’s recommendation against the four members of the Company’s Compensation Committee as unwarranted and incorrect. It is based on ISS’s misunderstanding or misinterpretation of the facts and circumstances surrounding the pledge by LGC Holdco, LLC (“LGC Holdco”) of certain of its FOX shares. As such, the Board reaffirms its recommendation to vote

#### FOR

#### all seven of FOX’s director nominees
, including the members of the Compensation Committee.

#### Background on LGC Holdco Pledge
ISS has recommended that our stockholders vote against the four members of