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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Filed by a Party other than the Registrant ☐

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☐	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

Strata Critical Medical, 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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Your Vote Counts! Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # QAARV1-P12345 You invested in STRATA CRITICAL MEDICAL, INC. and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on May 28, 2026. Get informed before you vote View the Notice & Proxy Statement, Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 14, 2026. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. Ricky Campana P.O. Box 123456 Suite 500 51 Mercedes Way Edgewood, NY 11717 1 OF 322,224 148,294 4 30# XXXX XXXX XXXX XXXX V2.1 STRATA CRITICAL MEDICAL, INC. 2026 Annual Meeting Vote by May 27, 2026 11:59 PM ET STRATA CRITICAL MEDICAL, INC. 666 THIRD AVENUE, 25TH FLOOR NEW YORK, NEW YORK 10017 Vote Virtually at the Meeting* May 28, 2026 9:00 AM EDT Virtually at: www.virtualshareholdermeeting.com/SRTA2026 *Please check the meeting materials for any special requirements for meeting attendance.

THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. QAARV2-P12345 Elect Class II Directors for terms expiring in 2029. Nominees: William A. Heyburn 02) Andrew Lauck For 2. Ratify Appointment of Independent Registered Public Accounting Firm for 2026 (Deloitte & Touche LLP). For 3. Advisory Vote on the Compensation of our Named Executive Officers. For NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Voting Items Board Recommends Control # XXXX XXXX XXXX XXXX SHARE CLASSES REPRESENTED FOR VOTING THE COMPANY NAME INC. - COMMON ASDFGHJKL 123456789.1234 THE COMPANY NAME INC. - CLASS A 123456789.1234 THE COMPANY NAME INC. - CLASS B 123456789.1234 THE COMPANY NAME INC. - CLASS C 123456789.1234 THE COMPANY NAME INC. - CLASS D 123456789.1234 THE COMPANY NAME INC. - CLASS E 123456789.1234 THE COMPANY NAME INC. - CLASS F 123456789.1234 THE COMPANY NAME INC. - 401 K 123456789.1234 1.00000 322,224 148,294 CLT ID