UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No.)

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☐ Preliminary Proxy Statement

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☐ Definitive Proxy Statement

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Nikola Corporation

(Name of Registrant as Specified In Its Charter)

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

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[Social media post first used on May 2, 2024]

#NKLA stockholders! Vote FOR all proposals. The deadline for voting is June 4, 2024, at 11:59 p.m. ET. Contact Alliance Advisors at (855) 935-2562 (toll-free) or 1-551-210-9929 (international) to vote your shares today.

[Social media post to be first used on or about May 4, 2024]

Voting is now open! Contact Alliance Advisors at (855) 935-2562 (toll-free) or 1-551-210-9929 (international) to vote your shares today. Learn more: [link to 2024 Annual Meeting landing page]