DGX DEFA14A
Quest Diagnostics Inc (DGX)
DEFA14A
2026-04-06
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Added on
October 18, 2026
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No. )
Filed by the Registrant ☒
Filed by a Party other than the Registrant ☐
Check the appropriate box:
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Preliminary Proxy Statement
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Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
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☐
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Definitive Proxy Statement
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☒
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Definitive Additional Materials
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Soliciting Material Pursuant to §240.14a-12
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Quest Diagnostics Incorporated
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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. |
