OTTR • SEC Gov • Feb 19, 2025 OTTR : 10-K : Periodic Financial Reports Download Exhibits Related Filings from OTTR 10-K EX-31.1 EX-31.2 EX-32.1 EX-32.2 EX-10.20 EX-10.21 EX-10.22 EX-10.24 EX-19 EX-21 EX-23 EX-24