X0609 4 2026-09-09 0 0001823608 Amalgamated Financial Corp. AMAL 0002008869 Workers United false 22 SOUTH 22ND STREET PHILADELPHIA PA 19103 0 0 1 0 0002008855 Chicago & Midwest Regional Joint Board, Workers United false 333 SOUTH ASHLAND AVENUE CHICAGO IL 60607 0 0 1 0 0002008859 Laundry, Distribution & Food Service Joint Board, Workers United false 701-703 MCCARTER HIGHWAY NEWARK NJ 07102 0 0 1 0 0002009717 Local 50, Workers United false 527 SOUTH HARBOR BOULEVARD ANAHEIM CA 92805 0 0 1 0 0002009391 Mid-Atlantic Regional Joint Board, Workers United false 5735 INDUSTRY LANE, BUILDING C, SUITE 10 FREDERICK MD 21704 0 0 1 0 0002009129 New York-New Jersey Regional Joint Board, Workers United false 305 7TH AVENUE, 7TH FLOOR NEW YORK NY 10001 0 0 1 0 0002009044 Pennsylvania Joint Board, Workers United false 5050 WEST TIGHMAN STREET, SUITE 450 ALLENTOWN PA 18104 0 0 1 0 0002008729 Philadelphia Joint Board, Workers United false 22 SOUTH 22ND STREET PHILADELPHIA PA 19103 0 0 1 0 0002009082 Rochester Regional Joint Board Fund For The Future false 750 EAST AVENUE ROCHESTER NY 14607 0 0 1 0 0002009104 Rochester Regional Joint Board, Workers United false 750 EAST AVENUE ROCHESTER NY 14607 0 0 1 0 0 Common Stock, par value $0.01 per share ("Common Stock") 6988726.93 D Common Stock 2026-09-09 4 S 0 79649 47.9122 D 119132.96 D Common Stock 302517.82 D Common Stock 423022 D Common Stock 479567 D Common Stock 281583.12 D Common Stock 114600 D Common Stock 264939.14 D Common Stock 1630806.4 D Common Stock 132580 D Common Stock 119380 D Common Stock 27421.98 D Common Stock 149794.78 D Common Stock 4752.85 D Reflects securities directly owned by Rochester Regional Joint Board, Workers United ("Rochester Workers United"). Reflects securities directly owned by Pennsylvania Joint Board Workers United ("Pennsylvania Joint Board"). Reflects securities directly owned by Philadelphia Joint Board, Workers United ("Philadelphia Joint Board"). Reflects securities directly owned by Workers United. Reflects securities directly owned by Chicago & Midwest Regional Joint Board, Workers United ("Chicago & Midwest"). Reflects securities directly owned by Laundry, Distribution & Food Service Joint Board, Workers United ("Laundry, Distribution & Food Service"). Reflects securities directly owned by Local 50, Workers United ("Local 50"). Reflects securities directly owned by Mid-Atlantic Regional Joint Board, Workers United ("Mid-Atlantic Regional"). Reflects securities directly owned by New York-New Jersey Regional Joint Board, Workers United ("New York-New Jersey Regional"). Reflects securities directly owned by Rochester Regional Joint Board Fund for the Future ("Rochester Regional Fund"). Reflects securities directly owned by Western States Regional Joint Board, Workers United ("Western States"). Reflects securities directly owned by Workers United Canada Council ("Workers United Canada"). Reflects securities directly owned by Workers United, Southern Regional Joint Board ("Southern Regional"). Reflects securities directly owned by Southwest Regional Joint Board ("Southwest"). For purposes of this filing, the "Reporting Persons" means, as applicable, Workers United, Chicago & Midwest, Laundry, Distribution & Food Service, Local 50, Mid-Atlantic Regional, New York-New Jersey Regional, Pennsylvania Joint Board, Philadelphia Joint Board, Rochester Regional Fund, Rochester Workers United, Western States, Workers United Canada, Southern Regional and Southwest. The filing of this statement by the Reporting Persons shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, any Reporting Person is the beneficial owner of the securities reported herein and each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Act, except to the extent of such Reporting Person's pecuniary interest therein, if any. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.7500 to $48.0800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. Each of the Reporting Persons may be deemed to be a member of a "group" for purposes of the Securities Exchange Act of 1934. Each Reporting Person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by the Reporting Person. This report shall not be deemed an admission that any Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person. To enable all of the Reporting Persons to gain access to the Securities and Exchange Commission's electronic filing system (which only accepts a maximum of 10 joint filers per report), this report is the first of two identical reports relating to the same transaction being filed with the Securities and Exchange Commission. Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Chicago & Midwest Regional Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Laundry, Distribution & Food Service Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Local 50, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Mid-Atlantic Regional Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 New York-New Jersey Regional Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Pennsylvania Joint Board Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Philadelphia Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11 Rochester Regional Joint Board Fund for the Future By: Lynne Fox, by Power of Attorney 2026-09-11 Rochester Regional Joint Board, Workers United By: Lynne Fox, by Power of Attorney 2026-09-11