Bleichroeder discloses 9.99% SINTX Technologies (SINT) stake with warrant limits

Rhea-AI Filing Summary

Bleichroeder LP and related reporting persons filed a Schedule 13G regarding holdings in SINTX Technologies Inc. They report beneficial ownership of 647,513 common shares, representing 9.99% of the outstanding common stock, including both shares held and shares issuable under warrants subject to a beneficial ownership cap.

The position consists of 523,013 common shares and 124,500 shares issuable upon exercise of warrants. The warrants include a 9.99% beneficial ownership limitation that restricts further exercises. Absent this limit, Bleichroeder indicates it would be deemed to beneficially own 1,569,039 shares, or 21.19% of SINTX’s outstanding common stock.

Key Figures

Beneficially owned shares: 647,513 shares Ownership percentage: 9.99% Common shares held: 523,013 shares +3 more

6 metrics

Beneficially owned shares 647,513 shares Total SINT common shares beneficially owned by Bleichroeder entities

Ownership percentage 9.99% Portion of SINT common stock beneficially owned under 9.99% limit

Common shares held 523,013 shares SINT common stock directly counted in Bleichroeder’s position

Warrant shares 124,500 shares SINT common shares issuable upon exercise of warrants held

Hypothetical shares without cap 1,569,039 shares SINT shares Bleichroeder would beneficially own absent 9.99% limit

Hypothetical ownership percentage 21.19% Portion of SINT common stock without 9.99% warrant exercise cap

Key Terms

beneficial owner, beneficial ownership limitation, warrants, investment adviser

4 terms

beneficial owner financial

"is deemed to be the beneficial owner of 647,513 shares"

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.

beneficial ownership limitation financial

"The exercise of the warrants is subject to a beneficial ownership limitation of 9.99%"

A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.

warrants financial

"124,500 shares of common stock issuable upon exercise of warrants"

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.

investment adviser financial

"an investment adviser registered under Section 203 of the Investment Advisers Act"

An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.

FAQ

What percentage of SINT (SINTX Technologies Inc) does Bleichroeder report owning?

Bleichroeder reports beneficial ownership of 647,513 SINT common shares, representing 9.99% of the outstanding common stock. This figure includes both currently held shares and shares issuable upon exercise of warrants, subject to a 9.99% beneficial ownership limitation.

How many SINT common shares and warrants does Bleichroeder hold?

Bleichroeder’s reported position in SINT includes 523,013 common shares plus 124,500 shares issuable upon exercise of warrants. Together these total 647,513 shares counted for beneficial ownership under the 9.99% limitation disclosed.

What is the 9.99% beneficial ownership limitation mentioned for SINT warrants?

The warrants held for SINT are subject to a 9.99% beneficial ownership limitation. This cap restricts exercise so that, after issuing warrant shares, Bleichroeder’s beneficial ownership cannot exceed 9.99% of SINT’s common stock outstanding immediately after such issuance.

What would Bleichroeder’s ownership in SINT be without the 9.99% limit?

Without the 9.99% exercise limit, Bleichroeder states it would be deemed to beneficially own 1,569,039 SINT common shares, representing 21.19% of the outstanding common stock. This higher figure assumes full exercise of the reported warrants.

Who are the reporting persons for the SINT Schedule 13G filing?

The SINT Schedule 13G identifies Bleichroeder Holdings LLC, Bleichroeder LP, and Andrew Gundlach as reporting persons. Bleichroeder LP, an investment adviser, is deemed beneficial owner of 647,513 shares through its advisory role for various clients.

Who ultimately receives dividends or sale proceeds from the SINT shares held by Bleichroeder?

Clients of Bleichroeder have the right to receive dividends and direct the receipt of sale proceeds from the SINT shares. Bleichroeder reports beneficial ownership because it acts as investment adviser to these clients regarding 647,513 SINT shares.

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Available on EDGAR 08/13/2026 - 04:15 PM Accepted by SEC EDGAR 08/13/2026 - 04:15 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

SINTX TECHNOLOGIES INC

(Name of Issuer)

Common Shares

(Title of Class of Securities)

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Bleichroeder LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 647,513.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 647,513.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

647,513.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Bleichroeder Holdings LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 647,513.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 647,513.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

647,513.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Andrew Gundlach

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 647,513.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 647,513.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

647,513.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: SINTX TECHNOLOGIES INC
(b)	Address of issuer's principal executive offices: 1885 WEST 2100 STREET, SALT LAKE CITY, UT 84119
Item 2.
(a)	Name of person filing: Bleichroeder Holdings LLC Bleichroeder LP Andrew Gundlach
(b)	Address or principal business office or, if none, residence: 1345 Avenue of the Americas, 47th Floor New York, NY 10105
(c)	Citizenship: Bleichroeder Holdings LLC and Bleichroeder LP: Delaware, USA Andrew Gundlach: United States
(d)	Title of class of securities: Common Shares
(e)	CUSIP No.:
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See cover page.
(b)	Percent of class: See cover page.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See cover page.
	(ii) Shared power to vote or to direct the vote: See cover page.
	(iii) Sole power to dispose or to direct the disposition of: See cover page.
	(iv) Shared power to dispose or to direct the disposition of: See cover page.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Bleichroeder LP ("Bleichroeder"), an investment adviser registered under Section 203 of the Investment Advisers Act of 1940, is deemed to be the beneficial owner of 647,513 shares, or 9.99% of the common stock believed to be outstanding as a result of acting as investment adviser to various clients. The 647,513 shares include 523,013 shares of common stock and 124,500 shares of common stock issuable upon exercise of warrants. The exercise of the warrants is subject to a beneficial ownership limitation of 9.99% of the number of shares of common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon exercise. If there was no 9.99% limit on the exercise of warrants, Bleichroeder would be deemed to be the beneficial owner of 1,569,039 shares of common stock, representing 21.19% of the outstanding shares of common stock. Clients of Bleichroeder have the right to receive and the ultimate power to direct the receipt of dividends from, or the proceeds of the sale of, such securities.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99.2
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

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.

Bleichroeder LP

Signature:	Andrew Gundlach
Name/Title:	President and CEO
Date:	08/14/2026

Bleichroeder Holdings LLC

Signature:	Andrew Gundlach
Name/Title:	President and CEO
Date:	08/14/2026

Andrew Gundlach

Signature:	Andrew Gundlach
Name/Title:	Individual
Date:	08/14/2026

Exhibit Information

Exhibit 99.1: AGREEMENT OF THE REPORTING PERSONS Exhibit 99.2: Subsidiary Information