As of November 6, 2026, 7 holders' latest Schedule 13D or 13G filings report owning 5% or more of Sintx Technologies Inc. The largest reported stake is Lytton Laurence W's, at 9.99%. 8 filings are on record since July 3, 2025 (Schedule 13G, June 9, 2026).
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Key facts
- · Reporting person: Bleichroeder LP · Sole voting: 647,513 · Shared voting: 0 · Sole dispositive: 647,513 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-13
- · Reporting person: Lytton Laurence W · Sole voting: 0 · Shared voting: 632,633 · Sole dispositive: 0 · Shared dispositive: 632,633 · SCHEDULE 13G, 2026-06-09
- · Reporting person: Stonepine Capital Management, LLC · Sole voting: 0 · Shared voting: 619,592 · Sole dispositive: 0 · Shared dispositive: 619,592 · SCHEDULE 13G, 2026-06-09
- · Reporting person: Gregg Richard Honigblum · Sole voting: 201,067 · Shared voting: 0 · Sole dispositive: 201,067 · Shared dispositive: 0 · SCHEDULE 13G, 2025-12-09
- · Holder: Sinaptic Holdings, LLC · Percent: 7.2% · SCHEDULE 13G/A
Sintx Technologies Inc has 8 Schedule 13D or 13G filings on record since 2025-07-03. 7 holders' latest filing reports 5% or more of common shares. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 9.99% | 632,633 | SCHEDULE 13G, 2026-06-09 | 2026-06-03 | |
| Bleichroeder LP | 9.99% | 647,513 | SCHEDULE 13G, 2026-08-13 | 2026-06-30 |
| Stonepine Capital Management, LLC | 9.9% | 619,592 | SCHEDULE 13G, 2026-06-09 | 2026-06-02 |
| 8.2% | 225,914 | SCHEDULE 13G, 2025-09-03 | 2025-08-29 | |
| Sinaptic Holdings, LLC | 7.2% | 281,450 | SCHEDULE 13G/A, 2025-11-14 | 2025-07-10 |
| Virtus Wealth Solutions LLC | 5.3% | 144,928 | SCHEDULE 13G, 2025-11-14 | 2025-09-25 |
| 5% | 201,067 | SCHEDULE 13G, 2025-12-09 | 2025-12-08 |
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More on Sintx Technologies Inc and the records around it.
Sintx Technologies Inc elsewhere on the record
Companies that share a holder
- Bleichroeder LP also filed stake reports on 16 other companies: MDxHealth SA (Oct 2026), Identiv, Inc. (INVE) (Aug 2026), Cellectar Biosciences, Inc. (Aug 2026)
- Stonepine Capital Management, LLC also filed stake reports on 17 other companies: Femasys Inc (Aug 2026), Edesa Biotech, Inc. (Aug 2026), CalciMedica, Inc. (Aug 2026)
- LYTTON LAURENCE W also filed stake reports on 28 other companies: Retension Pharmaceuticals, Inc. (Oct 2026), Rank One Computing Corp (Aug 2026), MDxHealth SA (Aug 2026)
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What the Full Report on Sintx Technologies Inc covers
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Lytton Laurence W | 0 | 632,633 | 0 | 632,633 | SCHEDULE 13G, 2026-06-09 |
| Lytton-Kambara Foundation | 0 | 632,633 | 0 | 632,633 | SCHEDULE 13G, 2026-06-09 |
| Bleichroeder LP | 647,513 | 0 | 647,513 | 0 | SCHEDULE 13G, 2026-08-13 |
| Bleichroeder Holdings LLC | 647,513 | 0 | 647,513 | 0 | SCHEDULE 13G, 2026-08-13 |
| Andrew Gundlach | 647,513 | 0 | 647,513 | 0 | SCHEDULE 13G, 2026-08-13 |
| Stonepine Capital Management, LLC | 0 | 619,592 | 0 | 619,592 | SCHEDULE 13G, 2026-06-09 |
| Stonepine Capital, L.P. | 0 | 619,592 | 0 | 619,592 | SCHEDULE 13G, 2026-06-09 |
| Stonepine GP, LLC | 0 | 619,592 | 0 | 619,592 | SCHEDULE 13G, 2026-06-09 |
| Jon M. Plexico | 0 | 619,592 | 0 | 619,592 | SCHEDULE 13G, 2026-06-09 |
| Gregg Richard Honigblum | 201,067 | 0 | 201,067 | 0 | SCHEDULE 13G, 2025-12-09 |
The latest filing identifies Sintx Technologies Inc by CUSIP 829392703 and gives its principal executive office as 1885 WEST 2100 STREET, SALT LAKE CITY, UT 84119 (SCHEDULE 13G, 2026-08-13).
What the percentages are based on
* The percentage ownership is based on an aggregate 4,019,624 shares of Common Stock of the Issuer outstanding as of December 8, 2025. The reporting person's ownership consists of (i) 201,067 shares of common stock.Gregg Richard Honigblum, SCHEDULE 13G, 2025-12-09
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-03 | Sinaptic Holdings, LLC | 7.9% | SCHEDULE 13G |
| 2025-09-03 | Kevin Patrick Murphy | 8.2% | SCHEDULE 13G |
| 2025-11-14 | Sinaptic Holdings, LLC | 7.2% | SCHEDULE 13G/A |
| 2025-11-14 | Virtus Wealth Solutions LLC | 5.3% | SCHEDULE 13G |
| 2025-12-09 | Gregg Richard Honigblum | 5% | SCHEDULE 13G |
| 2026-06-09 | Lytton Laurence W | 9.99% | SCHEDULE 13G |
| 2026-06-09 | Stonepine Capital Management, LLC | 9.9% | SCHEDULE 13G |
| 2026-08-13 | Bleichroeder LP | 9.99% | SCHEDULE 13G |
Questions about who owns Sintx Technologies Inc
Who owns Sintx Technologies Inc?
On this page, 7 holders' latest ownership filings report 5% or more of Sintx Technologies Inc: Lytton Laurence W (9.99%, Schedule 13G, filed 2026-06-09), Bleichroeder LP (9.99%, Schedule 13G, filed 2026-08-13), Stonepine Capital Management, LLC (9.9%, Schedule 13G, filed 2026-06-09), Kevin Patrick Murphy (8.2%, Schedule 13G, filed 2025-09-03) and Sinaptic Holdings, LLC (7.2%, Schedule 13G/A, filed 2025-11-14); 2 more are listed above.
Who are the largest shareholders of Sintx Technologies Inc?
By the share each holder's latest filing reports, the largest holders of Sintx Technologies Inc on this page are Lytton Laurence W (9.99%), Bleichroeder LP (9.99%) and Stonepine Capital Management, LLC (9.9%).
When did Lytton Laurence W buy into Sintx Technologies Inc?
The filings give report dates, not purchase dates. The earliest filing from Lytton Laurence W on this page is the Schedule 13G, filed 2026-06-09, reporting 9.99%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 8 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.