Plug Power Inc.

PLUG·NASDAQ·$3.84Share Price as of 11/2·$4BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/02/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report10/15/26 8-KCurrent report09/23/26 8-KCurrent report08/10/26 8-KCurrent report07/13/26 8-KCurrent report06/15/26

Prospectuses and Registrations

S-8Registration of securities for employees06/18/26 S-8Registration of securities for employees03/06/26 424B5Prospectus supplement10/08/25 424B5Prospectus supplement09/30/25 424B7Prospectus09/22/25

Proxies

DEFA14AAdditional proxy materials06/04/26 DEFA14AAdditional proxy materials06/04/26 DEF 14ADefinitive proxy04/30/26 DEFA14AAdditional proxy materials04/30/26 DEFA14AAdditional proxy materials02/11/26

Ownership

Form 4Insider transaction10/19/26 144Proposed sale of securities10/15/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders04/30/26 ARSAnnual report to shareholders06/09/25 SDConflict Minerals disclosure05/30/25 UPLOADLetter from the SEC10/07/24