What triggered the 57,172-share grant reported by SRTA’s CEO?

The 57,172 shares were acquired when the Compensation Committee certified that performance criteria for performance-based restricted stock units, granted on March 20, 2025, had been satisfied. This certification caused the PSUs to vest and convert into shares at no cash cost to the CEO.

Strata Critical Medical (SRTA) CEO logs PSU grant and tax withholding

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Strata Critical Medical, Inc. CEO, Logistics Scott M. Wunsch reported equity compensation activity involving Class A common stock. On April 23, 2026, he acquired 57,172 shares at $0.0000 per share as a grant tied to performance-based restricted stock units that vested after meeting certified performance criteria.

On April 24, 2026, the company withheld 13,922 shares at $4.92 per share to cover tax obligations related to the PSU vesting, a non-market disposition. Following these transactions, he held 631,124 shares directly and 382,987 shares indirectly through a limited liability company he solely owns.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Wunsch Scott M

Role CEO, Logistics

Type	Security	Shares	Price	Value
Tax Withholding	Class A common stock, $0.0001 par value per share	13,922	$4.92	$68K
Grant/Award	Class A common stock, $0.0001 par value per share	57,172	$0.00	--
holding	Class A common stock, $0.0001 par value per share	--	--	--

Holdings After Transaction: Class A common stock, $0.0001 par value per share — 631,124 shares (Direct, null); Class A common stock, $0.0001 par value per share — 382,987 shares (Indirect, See Footnotes)

Footnotes (1)

Represents shares that were acquired upon the certification of the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance-based restricted stock units ("PSUs") granted to the Reporting Person on March 20, 2025. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of PSUs. Held directly by a limited liability company of which the Reporting Person is the sole member.

Key Figures

PSU share grant: 57,172 shares Tax-withheld shares: 13,922 shares Direct holdings after transactions: 631,124 shares +3 more

6 metrics

PSU share grant 57,172 shares Class A common stock acquired at $0.0000 per share on April 23, 2026

Tax-withheld shares 13,922 shares Shares withheld at $4.92 per share on April 24, 2026 for tax obligations

Direct holdings after transactions 631,124 shares Class A common stock directly owned by Scott Wunsch following reported events

Indirect holdings after transactions 382,987 shares Class A common stock held via an LLC of which he is sole member

Tax-withholding price $4.92 per share Price used to value 13,922 shares withheld to satisfy tax obligations

Par value per share $0.0001 par value Class A common stock description in the Form 4

Key Terms

performance-based restricted stock units, PSUs, tax withholding obligations, Compensation Committee, +1 more

5 terms

performance-based restricted stock units financial

"performance criteria underlying an award of performance-based restricted stock units ("PSUs") granted"

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

PSUs financial

"award of performance-based restricted stock units ("PSUs") granted to the Reporting Person"

PSUs are company shares promised to employees or executives that only become actual stock if the business hits specific performance targets over a set period. For investors, PSUs matter because they link pay to measurable outcomes — similar to a conditional bonus that converts into ownership — which can influence management decisions, dilution of shares, and signals about confidence in future results.

tax withholding obligations financial

"shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting"

Compensation Committee financial

"upon the certification of the Compensation Committee of the Issuer's Board of Directors"

A compensation committee is a group within a company's leadership responsible for setting and reviewing how much top executives and employees are paid, including salaries, bonuses, and benefits. It matters to investors because fair and effective pay decisions can influence a company's performance, leadership motivation, and overall governance, helping ensure that the company’s management is aligned with shareholders’ interests.

limited liability company financial

"Held directly by a limited liability company of which the Reporting Person is the sole member"

A limited liability company (LLC) is a business structure that separates the owners’ personal assets from the company’s debts and legal obligations, like a protective shield that keeps personal savings and property distinct from business risk. For investors, that protection reduces personal financial exposure and often brings flexible rules for profit sharing and taxes, but it can also affect how easily interests are bought or sold and how decisions are made.

Form 4 Insider Transactions: What Each Field Means →

04/27/2026 - 05:47 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wunsch Scott M

(Last)

(First)

(Middle)

C/O STRATA CRITICAL MEDICAL, INC.

666 THIRD AVENUE, 25TH FLOOR

(Street)

NEW YORK

10017

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Strata Critical Medical, Inc. [ SRTA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO, Logistics

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A common stock, $0.0001 par value per share	04/23/2026		A		57,172⁽¹⁾	A	$0	645,046	D
Class A common stock, $0.0001 par value per share	04/24/2026		F		13,922⁽²⁾	D	$4.92	631,124	D
Class A common stock, $0.0001 par value per share								382,987	I⁽³⁾	See Footnotes

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents shares that were acquired upon the certification of the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance-based restricted stock units ("PSUs") granted to the Reporting Person on March 20, 2025.

2. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of PSUs.

3. Held directly by a limited liability company of which the Reporting Person is the sole member.

Remarks:

	/s/ Melissa M. Tomkiel, Attorney-in-fact for Scott M. Wunsch	04/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did SRTA CEO Scott Wunsch report on this Form 4?

Scott Wunsch reported a grant of 57,172 Class A common shares at $0.0000 per share from vested performance-based restricted stock units and a related withholding of 13,922 shares at $4.92 per share to satisfy tax obligations tied to that vesting event.

Was the SRTA CEO’s Form 4 transaction an open-market stock sale?

The disposition was not an open-market sale. The 13,922 shares were withheld by Strata Critical Medical to cover tax obligations arising from the vesting of performance-based restricted stock units, meaning no discretionary sale into the market was reported in this filing.

How many Strata Critical Medical shares does the SRTA CEO hold after these transactions?

After the reported transactions, Scott Wunsch directly held 631,124 shares of Class A common stock and indirectly held 382,987 shares through a limited liability company of which he is the sole member, as disclosed in the ownership footnote.

Does the SRTA Form 4 show any remaining derivative or option positions for the CEO?

The filing’s derivative summary is empty, indicating no derivative transactions such as options or warrants were reported in this Form 4. The transactions relate solely to common stock from vested performance-based restricted stock units and the associated tax-withholding share disposition.