Figures computed from official regulatory filings — .
Ownershipinsiders 35.5% · institutions 0% · short 1.9% of float
In USD · as of Oct 5, 2026
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PURE Bioscience, Inc. develops and commercializes antimicrobial products that provide solutions to the health and environmental challenges of pathogen and hygienic control in the United States and internationally. The company's technology platform contains silver dihydrogen citrate (SDC), a non-toxic antimicrobial agent, which offers residual protection, as well as formulates with other compounds. It offers SDC-based disinfecting and sanitizing products, including PURE Hard Surface, a ready-to-use hard surface disinfectant and food contact surface sanitizer and disinfectant; PURE Control, eliminates pathogens in produce, such as salmonella, e. coli, and listeria; PURE Multi-Purpose Hi-Foam Floor Cleaner Concentrate, a cleaning product for stainless steel, floors, walls, and painted areas; PURE Multi-Purpose Floor Cleaner, for sanitation in food processing plants, commercial kitchens, healthcare facilities, schools, and hospitality settings; and SILVERION, a SDC-based antimicrobial formulation for use as a raw material ingredient in the manufacturing of personal care products. The company serves food processing, food service and hospitality, healthcare, facility care, transportation, and personal care industries. It sells its products through end-use customers and third-party distributors. The company was incorporated in 1992 and is based in El Cajon, California.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
59 buys140 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Blotner Bernard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BARTLETT ROBERT F | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zehr Darin | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Myers Thomas Richard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chen Ivan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Elliott Mark Stuart | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Rendall David | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BARTLETT ROBERT F | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lee Tom Ytrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Blotner Bernard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Elliott Mark Stuart | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Myers Thomas Richard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chen Ivan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Rendall David | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BARTLETT ROBERT F | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lee Tom Ytrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Blotner Bernard | Buy | $1.3K | conv 69First in 12mo | SEC |
| BARTLETT ROBERT F | Buy | $8K | conv 61First in 12mo | SEC |
| Lee Tom Ytrack record | Buy | $6.5K | conv 21 | SEC |
| Lee Tom Ytrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chen Ivan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lee Tom Ytrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Myers Thomas Richard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Myers Thomas Richard | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Elliott Mark Stuart | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |