Strata Critical exec has 5,711 shares withheld for tax

SRTA’s logistics CEO settled RSU tax obligations with 5,711 shares and now holds over 1 million shares directly and indirectly.

Rhea-AI Filing Summary

Strata Critical Medical, Inc. (SRTA) reported that officer Scott M. Wunsch, CEO, Logistics, had 5,711 shares of Class A common stock withheld on September 8, 2026 to pay tax liabilities tied to vesting restricted stock units, at a reference value of $5.31 per share; no Rule 10b5-1 plan is reported. After this tax-withholding disposition, he holds 663,043 shares directly and 382,987 shares indirectly through a limited liability company he solely owns.

Insider Trade Summary

Tax Withholding: 5,711 shares

Tax Withholding 2 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 F1	5,711	$5.31	$30K
holding	Class A common stock, $0.0001 par value per share F2	--	--	--

Holdings After Transaction: Class A common stock, $0.0001 par value per share — 663,043 shares (Direct); Class A common stock, $0.0001 par value per share — 382,987 shares (Indirect, See Footnotes)

Footnotes (2)

1. F1. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.
2. F2. Held directly by a limited liability company of which the Reporting Person is the sole member.

Key Figures

Shares withheld for taxes: 5,711 shares Reference price per share: $5.31 per share Direct holdings after transaction: 663,043 shares +2 more

5 metrics

Shares withheld for taxes 5,711 shares Withheld on September 8, 2026 to satisfy tax withholding obligations on RSU vesting

Reference price per share $5.31 per share Value used for the 5,711-share tax-withholding transaction on September 8, 2026

Direct holdings after transaction 663,043 shares Class A common stock directly held by Scott M. Wunsch after September 8, 2026 transaction

Indirect holdings after transaction 382,987 shares Class A common stock held indirectly through a limited liability company

Exercise price or tax-liability transactions 1 transaction, 5,711 shares Code F tax-liability payment by delivering or withholding securities

Key Terms

restricted stock units, tax withholding obligations, indirect ownership, limited liability company

4 terms

restricted stock units financial

"in connection with the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"to satisfy tax withholding obligations in connection with the vesting"

indirect ownership financial

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

limited liability company financial

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

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SRTA’s logistics CEO report on this Form 4?

Scott M. Wunsch reported that 5,711 SRTA shares were withheld on September 8, 2026 to satisfy tax withholding obligations from vesting restricted stock units. This is a tax-related disposition, not an open-market purchase or sale.

How many SRTA shares does the reporting person hold after the September 8, 2026 transaction?

After the transaction, Scott M. Wunsch holds 663,043 SRTA shares directly and 382,987 shares indirectly through a limited liability company of which he is the sole member, as disclosed in the filing and related footnotes.

Was the SRTA insider transaction executed under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked, and there is no footnote indicating a trading plan, so no Rule 10b5-1 plan is reported for the September 8, 2026 tax-withholding disposition.

What price per share is associated with the SRTA tax-withholding transaction?

The Form 4 lists a reference value of $5.31 per share for the 5,711 SRTA shares withheld on September 8, 2026 to cover tax obligations arising from vesting restricted stock units.

Are the indirectly held SRTA shares controlled by the reporting person?

The filing states that 382,987 SRTA shares are held by a limited liability company of which Scott M. Wunsch is the sole member, indicating these are reported as indirect holdings through that entity.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/10/2026 - 04:28 PM Accepted by SEC EDGAR 09/10/2026 - 04:28 PM Learn about SEC filing dates

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 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)
09/08/2026

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)
			Code	V	Amount	(A) or (D)	Price
Class A common stock, $0.0001 par value per share	09/08/2026		F		5,711(1)	D	$5.31	663,043	D
Class A common stock, $0.0001 par value per share								382,987	I(2)	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

2. 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	09/10/2026
	** 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)