Strata Critical exec has 5,697 shares withheld

SRTA’s CEO, Clinical Services had shares withheld for taxes on RSU vesting and now holds over 1.2 million shares directly and indirectly.

Rhea-AI Filing Summary

Strata Critical Medical, Inc. (SRTA) reported that officer Louis R. Verdetto, CEO, Clinical Services, had 5,697 shares of Class A common stock withheld on September 8, 2026 to satisfy tax withholding obligations related to vesting restricted stock units at $5.31 per share. After this withholding, he holds 1,128,096 shares directly and 132,232 shares indirectly through the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Tax Withholding: 5,697 shares

Tax Withholding 2 txns

Insider Verdetto Louis R.

Role CEO, Clinical Services

Type	Security	Shares	Price	Value
Tax Withholding	Class A common stock, $0.0001 par value per share F1	5,697	$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 — 1,128,096 shares (Direct); Class A common stock, $0.0001 par value per share — 132,232 shares (Indirect, See Footnote)

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. The reported securities are held by the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025 for which the Reporting Person serves as the trustee.

Key Figures

Shares withheld for taxes: 5,697 shares Withholding price: $5.31 per share Direct holdings after transaction: 1,128,096 shares +2 more

5 metrics

Shares withheld for taxes 5,697 shares Withheld on September 8, 2026 to satisfy tax withholding obligations on RSU vesting

Withholding price $5.31 per share Value used for the 5,697 shares withheld for tax obligations

Direct holdings after transaction 1,128,096 shares Class A common stock held directly by Louis R. Verdetto after the September 8, 2026 withholding

Indirect holdings via trust 132,232 shares Class A common stock held indirectly through the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025

Exercise price or tax liability transactions 1 transaction, 5,697 shares Code F transaction reported for payment of tax liability by delivering or withholding securities

Key Terms

restricted stock units, tax withholding obligations, indirect ownership, irrevocable trust

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

"The reported securities are held by the LOUIS VERDETTO IRREVOCABLE TRUST"

irrevocable trust financial

"held by the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025"

An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.

FAQ

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

What transaction did SRTA executive Louis R. Verdetto report on this Form 4?

He reported that 5,697 SRTA shares were withheld on September 8, 2026 to satisfy tax withholding obligations arising from the vesting of restricted stock units, rather than an open-market sale.

At what price were the SRTA shares withheld for Louis R. Verdetto’s taxes?

The shares withheld for Louis R. Verdetto’s tax obligations were valued at $5.31 per share in connection with the vesting of his restricted stock units.

How many SRTA shares does Louis R. Verdetto own directly after this transaction?

After the tax-withholding transaction, Louis R. Verdetto holds 1,128,096 shares of Strata Critical Medical, Inc. Class A common stock directly.

Does Louis R. Verdetto have any indirect ownership of SRTA shares?

Yes. He has 132,232 SRTA shares held indirectly through the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025, where he serves as trustee.

Was Louis R. Verdetto’s SRTA transaction under a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 trading plan applies to these reported transactions.

What is Louis R. Verdetto’s role at Strata Critical Medical, Inc. (SRTA)?

Louis R. Verdetto is reported as an officer of Strata Critical Medical, Inc., serving as CEO, Clinical Services.

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

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Available on EDGAR 09/10/2026 - 04:29 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^*

Verdetto Louis R.

(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, Clinical Services

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		5,697(1)	D	$5.31	1,128,096	D
Class A common stock, $0.0001 par value per share								132,232	I	See Footnote(2)

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. The reported securities are held by the LOUIS VERDETTO IRREVOCABLE TRUST DATED AUGUST 20 2025 for which the Reporting Person serves as the trustee.

Remarks:

	/s/ Melissa M. Tomkiel, Attorney-in-fact for Louis R. Verdetto	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)