PUREOTCMiscellaneous Chemical ProductsFiscal year ends July 31
PURE BIOSCIENCE, INC.
Financials through Q3 FY2026, quarter ended Apr 30, 2026Last filing: 10-Q on Jun 15, 2026
$0.07−0.01 (-12.10%)
Close on Oct 19, 2026
- Market cap
- $7.33M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Who owns Pure Bioscience's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Jeffrey Scott Kitchell | President, Corporate Secretary | 12,998 | 0.01% | Nov 28, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Robert F. Bartlett CEO, Director | Mar 22, 2023 | Buy | +50,000 | $0.16 | $8.00K | 50,000 |
| Bernard Blotner Director | Mar 21, 2023 | Buy | +10,000 | $0.13 | $1.30K | 10,000 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Dec 15, 2022 | Buy | +50,000 | $0.13 | $6.50K | 5,001,843 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Jul 15, 2022 | Award | +15,741,666 | $0.15 | $2.36M | 29,143,617 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Jul 15, 2022 | Award | +6,000,000 | $0.15 | $900.00K | 6,000,000 |
| David Rendall Director | Jul 15, 2022 | Award | +325,000 | $0.15 | $48.75K | 402,371 |
| Ivan Chen Director | Jul 15, 2022 | Award | +300,000 | $0.15 | $45.00K | 750,000 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Mar 21, 2022 | Buy | +185,000 | $0.20 | $37.00K | 4,951,843 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Mar 17, 2022 | Buy | +13,250 | $0.18 | $2.39K | 4,766,843 |
| Tom Y. Lee Chief Executive Officer, Director, 10% owner | Mar 16, 2022 | Buy | +21,227 | $0.18 | $3.82K | 4,753,593 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 16, 2021 | Buy | +35,998 | $0.43 | $15.48K | 4,732,366 |
| Tom Y. Lee Chief Executive Officer, Director | Dec 24, 2020 | Buy | +851 | $0.65 | $553 | 4,696,368 |
| Tom Y. Lee Chief Executive Officer, Director | Dec 22, 2020 | Buy | +45,299 | $0.66 | $29.90K | 4,695,517 |
| Tom Y. Lee Chief Executive Officer, Director | Dec 21, 2020 | Buy | +7,859 | $0.68 | $5.34K | 4,650,218 |
| Dale Okuno Director | Dec 19, 2020 | Sale | −748,880 | $0.29 | $217.18K | 5,560,540 |
| Tom Y. Lee Chief Executive Officer, Director | Dec 17, 2020 | Buy | +4,712 | $0.65 | $3.06K | 4,642,359 |
| Tom Y. Lee Chief Executive Officer, Director | Dec 16, 2020 | Buy | +20,000 | $0.67 | $13.40K | 4,637,647 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 24, 2020 | Other | −10,732,222 | – | – | 13,401,951 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 22, 2020 | Buy | +13,124 | $1.72 | $22.57K | 4,617,647 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 19, 2020 | Buy | +10,000 | $1.85 | $18.50K | 4,604,523 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 18, 2020 | Buy | +30,000 | $1.75 | $52.50K | 4,594,523 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 17, 2020 | Buy | +26,876 | $1.61 | $43.27K | 4,564,523 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 16, 2020 | Buy | +70,000 | $1.62 | $113.40K | 4,537,647 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 15, 2020 | Buy | +60,000 | $1.82 | $109.20K | 4,467,647 |
| Tom Y. Lee Chief Executive Officer, Director | Jun 12, 2020 | Buy | +45,157 | $1.91 | $86.25K | 4,407,647 |
| Thomas Richard Myers Chief Operating Officer | May 1, 2020 | Award | +500,000 | – | – | 587,500 |
| Dale Okuno Director | Mar 9, 2020 | Award | +1,551,724 | $0.29 | $450.00K | 7,072,264 |
| Tom Y. Lee Director | Mar 9, 2020 | Award | +2,243,103 | $0.29 | $650.50K | 24,134,173 |
| Ivan Chen Director | Mar 9, 2020 | Award | +179,311 | $0.29 | $52.00K | 450,000 |
| Tom Y. Lee Director | Feb 14, 2020 | Gift | −1,000,000 | – | – | 21,891,070 |
| Tom Y. Lee Director | Feb 14, 2020 | Gift | +1,000,000 | – | – | 1,000,000 |
| Dale Okuno Director | Dec 31, 2019 | Sale | −40,000 | $0.28 | $11.20K | 5,520,540 |
| Tom Y. Lee Director | Dec 19, 2019 | Buy | +754,884 | $0.29 | $218.92K | 22,891,070 |
| Tom Y. Lee Director | Oct 2, 2019 | Award | +1,000,000 | $0.29 | $290.00K | 22,136,186 |
| Dale Okuno Director | Oct 2, 2019 | Award | +862,068 | $0.29 | $250.00K | 6,309,420 |
| Dale Okuno Director | Oct 2, 2019 | Buy | +862,068 | $0.29 | $250.00K | 6,309,420 |
| Tom Y. Lee Director | Oct 2, 2019 | Buy | +1,000,000 | $0.29 | $290.00K | 22,136,186 |
| Tom Y. Lee Director | Jul 2, 2019 | Gift | +1,000,000 | – | – | 1,000,000 |
| Tom Y. Lee Director | Jul 2, 2019 | Gift | −1,000,000 | – | – | 21,136,186 |
| Tom Y. Lee Director | Jul 1, 2019 | Gift | +1,000,000 | – | – | 1,000,000 |
| Tom Y. Lee Director | Jul 1, 2019 | Gift | −1,000,000 | – | – | 22,136,186 |
| Ivan Chen Director | May 9, 2019 | Buy | +120,689 | $0.29 | $35.00K | 270,689 |
| Dale Okuno Director | May 9, 2019 | Buy | +862,068 | $0.29 | $250.00K | 5,447,352 |
| Dale Okuno Director | May 9, 2019 | Buy | +714,285 | $0.35 | $250.00K | 5,299,569 |
| Ivan Chen Director | May 9, 2019 | Buy | +100,000 | $0.35 | $35.00K | 250,000 |
| Dale Okuno Director | Feb 19, 2019 | Option exercise | +213,333 | $0.35 | $74.67K | 4,585,284 |
| Tom Y. Lee Director | Feb 19, 2019 | Option exercise | +2,133,333 | $0.35 | $746.67K | 23,136,186 |
| Tom Y. Lee Director | Aug 16, 2018 | Buy | +2,336,187 | $0.45 | $1.05M | 21,002,853 |
| Henry R. Lambert Chief Executive Officer, Director | Aug 13, 2018 | Award | +200,000 | – | – | 698,056 |
| Ivan Chen Director | Jun 28, 2018 | Award | +150,000 | – | – | 150,000 |
| Henry R. Lambert Chief Executive Officer, Director | Jan 12, 2018 | Sale | −677 | $0.93 | $630 | 518,379 |
| Henry R. Lambert Chief Executive Officer, Director | Jan 12, 2018 | Sale | −9,000 | $0.94 | $8.46K | 509,379 |
| Henry R. Lambert Chief Executive Officer, Director | Jan 12, 2018 | Sale | −11,323 | $0.90 | $10.19K | 498,056 |
| Henry R. Lambert Chief Executive Officer, Director | Jan 11, 2018 | Sale | −2,000 | $0.94 | $1.88K | 519,056 |
| Henry R. Lambert Chief Executive Officer, Director | Jan 10, 2018 | Sale | −18,500 | $0.94 | $17.39K | 521,056 |
| Tom Y. Lee Director | Dec 29, 2017 | Buy | +18,666,666 | – | – | 18,666,666 |
| Franchise Brands, LLC 10% owner | Dec 29, 2017 | Sale | −18,666,666 | – | – | 0 |
| Elisabeth Hagen Director | Nov 2, 2017 | Award | +150,000 | – | – | 150,000 |
| Tom Y. Lee Director | Sep 25, 2017 | Option exercise | +208,038 | $0.40 | $83.22K | 4,362,490 |
| William Otis Director | Sep 25, 2017 | Option exercise | +9,066 | $0.60 | $5.44K | 181,732 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.