Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Howard Amster - 20 Aug 2026 SCHEDULE 13D/A Report for ADAMAS TRUST, INC. COMMON STOCK PAR VALUE $0.01 PER SHARE (ADAM)
- Filing manager
- Howard Amster
- Reporting owner
- Amster Howard
- Beneficially owned shares
- 4,381,764 shares
- Large-stake signal
-
Ownership
4.9%Beneficial ownership of this reported class.
Shares
4,381,764 sharesShares beneficially owned as disclosed.
Event date
20 Aug 2026Date tied to the ownership event or amendment.
Accepted by SEC
25 Aug 2026EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 4.9%
- Symbol
- ADAM
- Shares outstanding
- 89,423,755 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 25 Aug 2026, 14:28:32 UTC
- Event date
- 20 Aug 2026
- Prior SEC filing
- 26 Feb 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
Howard Amster disclosed 4.9% ownership in ADAMAS TRUST, INC. COMMON STOCK PAR VALUE $0.01 PER SHARE (ADAM) on 20 Aug 2026.
Key facts
- Howard Amster filed SCHEDULE 13D/A for ADAMAS TRUST, INC. COMMON STOCK PAR VALUE $0.01 PER SHARE (ADAM).
- Disclosed ownership: 4.9%.
- Date of event: 20 Aug 2026.
Change
- Previous schedule filing date: 26 Feb 2025.
- Current filing was accepted on 25 Aug 2026, 14:28.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (23)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Amster Howard | 4.9% | 4,381,764 | 2,026,093 | 4,381,764 | HOWARD AMSTER | HOWARD AMSTER | 0000904853 |
| PLEASANT LAKE APARTMENTS LIMITED PARTNERSHIP | 0.7% | 616,002 | 0 | 616,002 | HOWARD AMSTER | PRESIDENT PLEASANT LAKE APARTMENTS CORP ITS GENERAL PARTNER | |
| HOWARD AMSTER 2019 CHARITABLE REMAINDER TRUST #1 U/A DTD 05/20/2019 | 0.3% | 267,919 | 0 | 267,919 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 05/20/2019 | 0% | 8,635 | 0 | 8,635 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 05/20/2019 | 0% | 3,432 | 0 | 3,432 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #4 U/A DTD 05/20/2019 | 0.1% | 116,185 | 0 | 116,185 | HOWARD AMSTER | TRUSTEE | |
| AMSTER LIMITED PARTNERSHIP | 223,688 | 0 | 223,688 | HOWARD AMSTER | GENERAL PARTNER | ||
| HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #7 U/A DTD 05/20/2019 | 0% | 318 | 0 | 318 | HOWARD AMSTER | TRUSTEE | |
| LAUGHLIN HOLDINGS LLC | 0.3% | 223,529 | 0 | 223,529 | HOWARD AMSTER | PRESIDENT PLEASANT LAKE APARTMENTS CORP GENERAL PARTNER OF PLEASANT LAKE APARTMENTS LP MANAGING MEMEBER LAUGHLIN HOLDINGS LLC | |
| RAMAT SECURITIES LTD | 249,491 | 0 | 249,491 | HOWARD AMSTER | AUTHORIZED REPRESENTATIVE | ||
| HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 11/23/2021 | 0.2% | 147,797 | 0 | 147,797 | HOWARD AMSTER | TRUSTEE | |
| PLEASANT LAKE APARTMENTS CORP | 0% | 11,013 | 0 | 11,013 | HOWARD AMSTER | PRESIDENT | |
| HOWRAD AMSTER 2022 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 03/09/2022 | 0.1% | 75,205 | 0 | 75,205 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER FOUNDATION | 0.4% | 345,471 | 0 | 345,471 | HOWARD AMSTER | PRESIDENT | |
| NEWAX INC. | 0.1% | 45,397 | 0 | 45,397 | HOWARD AMSTER | DIRECTOR | |
| PLEASANT LAKE SKOIEN INVESTMENTS LLC | 0.1% | 52,035 | 0 | 52,035 | HOWARD AMSTER | PRESIDENT PLEASANT LAKE APARTMENTS CORP GENERAL PARTNER PLEASANT LAKE APARTMENTS LIMITED PARTNERSHIP MANAGING MEMBER PLEASANT LAKE SKOIEN INVESTMENTS | |
| HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #5 U/A DTD 05/20/2019 | 0% | 25,968 | 0 | 25,968 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 08/10/2021 | 0% | 441 | 0 | 441 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 08/10/2021 | 0% | 2,632 | 0 | 2,632 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER AND TAMRA GOULD CHARITABLE REMAINDER UNITRUST U/A DTD 03/18/1993 | 0% | 110 | 0 | 110 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 04/22/1998 | 0% | 265 | 0 | 265 | HOWARD AMSTER | TRUSTEE | |
| HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 01/11/2005 | 0% | 5,738 | 0 | 5,738 | HOWARD AMSTER | TRUSTEE | |
| HORIZON GROUP PROPERTIES INC. | 0% | 35,000 | 0 | 35,000 | HOWARD AMSTER | DIRECTOR |
CIK / CUSIP context first