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View Price for KOPN.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Price Data

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Date Open High Low Close Volume
Sep 08, 2026 4.40 4.615 4.365 4.56 3.824M
Sep 04, 2026 4.30 4.355 4.220 4.28 1.915M
Sep 03, 2026 4.35 4.37 4.19 4.27 3.210M
Sep 02, 2026 4.19 4.34 4.14 4.29 3.452M
Sep 01, 2026 4.25 4.29 4.161 4.21 2.803M
Aug 31, 2026 4.48 4.56 4.32 4.44 2.790M
Aug 28, 2026 4.77 4.91 4.45 4.48 4.978M
Aug 27, 2026 4.78 4.96 4.745 4.82 2.894M
Aug 26, 2026 4.86 5.01 4.670 4.73 3.905M
Aug 25, 2026 4.86 4.935 4.78 4.83 2.403M
Aug 24, 2026 4.925 4.935 4.70 4.74 3.070M
Aug 21, 2026 4.96 5.13 4.912 5.04 3.071M
Aug 20, 2026 4.865 4.96 4.720 4.89 3.608M
Aug 19, 2026 5.14 5.21 4.78 4.93 4.157M
Aug 18, 2026 5.032 5.31 5.00 5.04 3.785M
Aug 17, 2026 5.43 5.525 5.31 5.32 3.716M
Aug 14, 2026 4.92 5.50 4.91 5.50 5.961M
Aug 13, 2026 4.84 5.04 4.78 4.83 3.782M
Aug 12, 2026 5.305 5.41 4.84 5.02 7.134M
Aug 11, 2026 4.77 5.51 4.66 5.20 14.12M
Aug 10, 2026 4.25 4.38 4.19 4.21 3.822M
Aug 07, 2026 4.20 4.35 4.15 4.27 2.729M
Aug 06, 2026 3.85 4.21 3.79 4.08 3.115M
Aug 05, 2026 4.11 4.16 3.94 3.95 3.044M
Aug 04, 2026 3.92 4.26 3.92 4.15 5.016M

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

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Price Range, Past 5 Years

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