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Each restricted stock unit represents a contingent right to receive one share of Nocopi Technologies, Inc. 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These shares were purchased in multiple transactions ranging from $1.60 to $1.64, inclusive. The reporting person undertakes to provide Nocopi Technologies, Inc. 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These shares were purchased in multiple transactions ranging from $1.55 to $1.60, inclusive. The reporting person undertakes to provide Nocopi Technologies, Inc. (\"Nocopi\"), any security holder of Nocopi, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":134200,"source":{"system":"sec-edgar","filing":"0001079973-25-001369","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/888981/000107997325001369/ownership.xml","form_type":"4"}}]}