13D Filings
ADAMAS TRUST, INC.
ADAM
Amendment
Ownership

4.90%

Total Shares

4,381,764

Issuer CIK

1273685

Event Date

Aug 19, 2026

Accepted

Aug 25, 2026, 02:28 PM

Reporting Persons (23)
NameType% of ClassAggregateSole VotingShared Voting
Amster Howard
Individual
4.90%4,381,7642,026,0934,381,764
PLEASANT LAKE APARTMENTS LIMITED PARTNERSHIP
Partnership
0.70%616,0020616,002
HOWARD AMSTER FOUNDATION
Other
0.40%345,4710345,471
HOWARD AMSTER 2019 CHARITABLE REMAINDER TRUST #1 U/A DTD 05/20/2019
Other
0.30%267,9190267,919
LAUGHLIN HOLDINGS LLC
Partnership
0.30%223,5290223,529
HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 11/23/2021
Other
0.20%147,7970147,797
HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #4 U/A DTD 05/20/2019
Other
0.10%116,1850116,185
PLEASANT LAKE SKOIEN INVESTMENTS LLC
Partnership
0.10%52,035052,035
HOWRAD AMSTER 2022 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 03/09/2022
Other
0.10%75,205075,205
NEWAX INC.
CO
0.10%45,397045,397
HOWARD AMSTER AND TAMRA GOULD CHARITABLE REMAINDER UNITRUST U/A DTD 03/18/1993
Other
0.00%1100110
HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 04/22/1998
Other
0.00%2650265
HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 01/11/2005
Other
0.00%5,73805,738
HORIZON GROUP PROPERTIES INC.
CO
0.00%35,000035,000
HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 05/20/2019
Other
0.00%8,63508,635
HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 05/20/2019
Other
0.00%3,43203,432
AMSTER LIMITED PARTNERSHIP
Partnership
0.00%223,6880223,688
HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #7 U/A DTD 05/20/2019
Other
0.00%3180318
RAMAT SECURITIES LTD
Partnership
0.00%249,4910249,491
PLEASANT LAKE APARTMENTS CORP
CO
0.00%11,013011,013
HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #5 U/A DTD 05/20/2019
Other
0.00%25,968025,968
HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 08/10/2021
Other
0.00%4410441
HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 08/10/2021
Other
0.00%2,63202,632
Disclosure Items (3)

Security Title

COMMON STOCK PAR VALUE $0.01 PER SHARE

Issuer Name

ADAMAS TRUST, INC.

Issuer Address

90 PARK AVENUE 23RD FLOOR, NEW YORK, NY, 10016

Percentage of Class

Item 5 of the Initial 13D is hereby amended and restated in its entirety to read as follows: (a) See Items 11 and 13 of the cover pages of this Schedule 13D, as amended, which Items are incorporated herein by reference, for the aggregate number of shares and percentage of the shares of Common Stock identified pursuant to Item 1 beneficially owned by each of the Reporting Persons

Number of Shares

(b) See items 7, 8, 9, and 10 of the cover pages to this Schedule 13D, as amended, which Items are incorporated herein by reference, for the aggregate number and percentage of the shares of the Common Stock beneficially owned by each of the Reporting Persons as to which there is sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition of such shares of the Common Stock.

Transactions

(c) The following table sets forth all transactions with respect to the shares of Common Stock effected during the past sixty (60) days by any of the Reporting Persons, inclusive of any transactions effected through 5:00 p.m., New York City time, on August 20, 2026. All transactions were sales and were conducted on the open market. If the shares were sold in multiple transactions on a single trading day, the price per share reported is the weighted average price. Date Shares Sold Per Share Total Price Seller High Low 06/25/26 115,000 $9.34 $1.073,737.87 Howard Amster 9.39 9.27 06/26/26 125,000 $9.41 $1,175,856.71 Howard Amster 9.49 9.34 06/29/26 150,000 $9.34 $1,401,309.62 Howard Amster 9.40 9.30 06/30/26 194,000 $9.48 $1,838,262.18 Howard Amster 9.54 9.44 07/01/26 250,000 $9.35 $2,337,445.33 Howard Amster 9.40 9.30 07/06/26 87,600 $9.11 $798,056.85 Howard Amster 9.16 9.06 07/07/26 107,400 $9.14 $981,297.81 Howard Amster 9.16 9.08 07/08/26 33,000 $9.04 $298,280.95 Howard Amster 9.06 9.03 07/09/26 69,600 $9.20 $640,293.34 Howard Amster 9.28 9.09 07/10/26 94,000 $9.16 $860,799.56 Howard Amster 9.18 9.14 08/12/26 20,000 $10.24 $204,757.28 Howard Amster 10.27 10.22 08/20/26 120,000 $9.90 $1,187,465.03 Howard Amster 10.06 9.84

Shareholders

(d) Other than the Reporting Persons, no other person is known by the Reporting Persons to have the right to receive or direct the receipt of dividends from, or the proceeds from the sale of, the shares of the Common Stock of the Issuer beneficially owned by the Reporting Persons.

Date of 5% Ownership

AUGUST 20, 2026

Exhibit 99.1 Joinder to Joint Filing Agreement

ADAMAS TRUST, INC. — Schedule 13D | 13D Filings