Krstic (BLDE) reports 1,577,500 Strata Critical Medical warrants expired

Rhea-AI Filing Summary

Velibor Krstic filed Amendment No. 3 to a Schedule 13D regarding Strata Critical Medical, Inc., reporting that 1,577,500 warrants to purchase Class A common stock (SRTAW) expired worthless on May 7, 2026.

Following this expiration, Krstic now beneficially owns 0 warrants, representing 0.0% of the warrant class, and therefore ceased to be a beneficial owner of more than five percent of these securities. The warrants had originally been purchased with personal funds, and no cash or other consideration was involved in their expiration.

Key Figures

Warrants expired: 1,577,500 warrants Current warrants owned: 0 warrants Ownership percentage: 0.0% +2 more

5 metrics

Warrants expired 1,577,500 warrants SRTAW expired worthless on May 7, 2026

Current warrants owned 0 warrants Beneficial ownership after expiration

Ownership percentage 0.0% Percent of warrant class after expiration

Amendment number Amendment No. 3 Schedule 13D/A filing

Expiration date May 7, 2026 Natural expiration of warrants under warrant agreement

Key Terms

Warrants, Schedule 13D, beneficial owner, Warrant Agreement, +1 more

5 terms

Warrants financial

"The Warrants previously held by the Reporting Person expired worthless on May 7, 2026."

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

Schedule 13D regulatory

"This Amendment No. 3 is being filed to report that the 1,577,500 Warrants previously held by the Reporting Person (SRTAW) expired worthless"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

beneficial owner financial

"As a result of this expiration, the Reporting Person ceased to be the beneficial owner of more than five percent of the class of securities."

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

Warrant Agreement financial

"expired worthless on May 7, 2026, in accordance with the terms of the Warrant Agreement dated September 12, 2019."

A warrant agreement is the legal document that lays out the rules for stock warrants — special certificates that let their holder buy company shares at a set price within a certain time. It explains how and when warrants can be exercised, transferred, changed, or canceled, and what happens to them if the company raises money or is sold; investors care because these terms affect potential future ownership, dilution of shares, and the real value of the warrants.

dispositive power financial

"The Reporting Person has sole power to vote or to direct the vote and sole power to dispose or to direct the disposition of 0 Warrants."

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 3)

Strata Critical Medical, Inc.

(Name of Issuer)

Warrants to purchase Class A Common Stock, par value $0.0001 per share

(Title of Class of Securities)

092667104

(CUSIP Number)

Velibor Krstic
Via Baraggie 23,
Ascona, V8, 6612
0041774839182

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

05/07/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 092667104

1

Name of reporting person

Krstic Velibor

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

PF, PF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

SWITZERLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

0.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

0.0 %

14

Type of Reporting Person (See Instructions)

IN, IN

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Warrants to purchase Class A Common Stock, par value $0.0001 per share
(b)	Name of Issuer: Strata Critical Medical, Inc.
(c)	Address of Issuer's Principal Executive Offices: 666 Third Avenue, 25th Floor, NEW YORK, NEW YORK , 10017.
Item 2.	Identity and Background
(a)	Velibor Krstic
(b)	Via Baraggie 23, 6612 Ascona, SWITZERLAND
(c)	Private Investor
(d)	NONE
(e)	NONE
(f)	SWITZERLAND
Item 3.	Source and Amount of Funds or Other Consideration
	The Warrants previously held by the Reporting Person expired worthless on May 7, 2026. No funds or other consideration were used or received in connection with the expiration of the Warrants. All Warrants previously acquired by the Reporting Person were purchased using personal funds.
Item 4.	Purpose of Transaction
	This Amendment No. 3 is being filed to report that the 1,577,500 Warrants previously held by the Reporting Person (SRTAW) expired worthless on May 7, 2026, in accordance with the terms of the Warrant Agreement dated September 12, 2019. As a result of this expiration, the Reporting Person ceased to be the beneficial owner of more than five percent of the class of securities. This filing constitutes the final amendment to the Schedule 13D of the Reporting Person regarding these securities.
Item 5.	Interest in Securities of the Issuer
(a)	The Reporting Person beneficially owns 0 Warrants, which represents 0.0% of the class.
(b)	The Reporting Person has sole power to vote or to direct the vote and sole power to dispose or to direct the disposition of 0 Warrants.
(c)	The only transaction in the securities of the Issuer since the last filing is the natural expiration of 1,577,500 Warrants (SRTAW) at a price of 0.00 dollars on May 7, 2026.
(d)	Not applicable.
(e)	The Reporting Person ceased to be the beneficial owner of more than five percent of the class of securities on May 7, 2026.
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	To the best knowledge of the Reporting Person, there are no contracts, arrangements, understandings or relationships (legal or otherwise) among the person named in Item 2 and between such person and any person with respect to any securities of the Issuer.
Item 7.	Material to be Filed as Exhibits.
	NONE

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Krstic Velibor

Signature:	/s/ Velibor Krstic
Name/Title:	Velibor Krstic, Individual Investor
Date:	05/08/2026

FAQ

What does this Schedule 13D/A filing disclose about BLDE-related investor Velibor Krstic?

It discloses that investor Velibor Krstic previously held 1,577,500 warrants of Strata Critical Medical, Inc. These warrants expired worthless on May 7, 2026, leaving him with 0 warrants and 0.0% beneficial ownership of that warrant class.

How many Strata Critical Medical warrants did Velibor Krstic hold before expiration?

He held 1,577,500 warrants designated SRTAW. These were warrants to purchase Strata Critical Medical Class A common stock and were originally acquired using personal funds. All of these warrants expired worthless on May 7, 2026 under the applicable warrant agreement.

What is Velibor Krstic’s current ownership in Strata Critical Medical warrants?

After the expiration, Krstic beneficially owns 0 warrants, representing 0.0% of the class. The filing states he has sole voting and dispositive power over 0 warrants, confirming he no longer holds any of these securities.

Why did Velibor Krstic file Amendment No. 3 to Schedule 13D?

He filed Amendment No. 3 to report that his 1,577,500 warrants expired worthless on May 7, 2026. As a result, he ceased to be the beneficial owner of more than five percent of the warrant class, making this a final amendment for these securities.

Was any cash exchanged when Krstic’s Strata Critical Medical warrants expired?

No cash changed hands at expiration. The filing states the warrants “expired worthless” and that no funds or other consideration were used or received in connection with their expiration, even though they were originally purchased with personal funds.

Are there any contracts or arrangements related to Krstic’s Strata Critical Medical securities?

The filing states that, to the best of Krstic’s knowledge, there are no contracts, arrangements, understandings or relationships between him and any other person with respect to Strata Critical Medical securities, beyond the expired warrants themselves.