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

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☐	Preliminary Proxy Statement
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☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material pursuant to § 240.14a-12

Antares Pharma, Inc.

(Name of Registrant as Specified in its Charter)

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

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on June 11, 2020.

ANTARES PHARMA, INC.

ANTARES PHARMA, INC. ATTN: PETER J. GRAHAM

100 PRINCETON SOUTH, SUITE 300

EWING, NJ 08628

You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting.

Before You Vote

How to Access the Proxy Materials

How To Vote

Please Choose One of the Following Voting Methods

Proxy Materials Available to VIEW or RECEIVE:

FORM 10-K NOTICE AND PROXY STATEMENT

How to View Online:

Have the information that is printed in the box marked by the arrow following page) and visit: www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy:

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1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639

3) BY E-MAIL*: sendmaterial@proxyvote.com

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Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 28, 2020 to facilitate timely delivery.

Vote By Internet:

Before The Meeting:

Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions.

During The Meeting:

Go to www.virtualshareholdermeeting.com/ATRS2020. Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

The Board of Directors recommends you vote FOR ALL on Proposal 1.

1. Election of the Director nominees listed below as Class I Directors:

Nominees:

01) Leonard S. Jacob, M.D., Ph.D.

02) Peter S. Greenleaf

The Board of Directors recommends you vote FOR Proposal 2.

2. To hold a non-binding, advisory vote to approve our named executive officer compensation as disclosed in our proxy statement.

The Board of Directors recommends you vote FOR Proposal 3.

3. To ratify the appointment of KPMG LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2020.

NOTE: Such other business as may properly come before the meeting or any adjournment thereof.