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PURE · Pure Bioscience, Inc.
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PURE Pure Bioscience (PURE) Insider Trading, Ownership & Congress Trades

Materials · Miscellaneous chemical products · CIK 0001006028
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

Pure Bioscience insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for PURE BIOSCIENCE, INC. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
BARTLETT ROBERT F
CEO
BUY
2023-03-22 SEC
50,000
$8.0K
-33.1%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 100.0% of the 50,000 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: CEO BARTLETT ROBERT F bought about $8.0K of PURE on Mar 22, 2023, the largest insider purchase at the company since 2022; 1 other insider bought within 30 days.
Blotner Bernard
Director
BUY
2023-03-22 SECtraded 2023-03-21
10,000
$1.3K
-33.1%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 100.0% of the 10,000 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director Blotner Bernard bought about $1.3K of PURE on Mar 21, 2023; 1 other insider bought within 30 days.
Lee Tom Y
Chief Executive Officer
BUY
2022-12-19 SECtraded 2022-12-15
50,000
$6.5K
-37.9%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 buys), the last on Mar 21, 2022.
  • +5.6% median (+7.4% mean) 90-day return after 3 previous buys.
  • The trade is 1.0% of the 5,001,843 shares held after it.
  • No other insider bought within 30 days.
Insider activity: Chief Executive Officer Lee Tom Y bought about $6.5K of PURE on Dec 15, 2022.
Lee Tom Y
Chief Executive Officer
BUY
2022-03-22 SECtraded 2022-03-21
185,000
$37.0K
-54.2%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on Mar 17, 2022.
  • +11.1% median (+11.1% mean) 90-day return after 2 previous buys.
  • The trade is 3.7% of the 4,951,843 shares held after it.
  • No other insider bought within 30 days.
Insider activity: Chief Executive Officer Lee Tom Y bought about $37.0K of PURE on Mar 21, 2022, the largest insider purchase at the company on our record.
Lee Tom Y
Chief Executive Officer
BUY
2022-03-22 SECtraded 2022-03-17
13,250
$2.4K
-54.2%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Mar 16, 2022.
  • The trade is 0.3% of the 4,766,843 shares held after it.
  • No other insider bought within 30 days.
Insider activity: Chief Executive Officer Lee Tom Y bought about $2.4K of PURE on Mar 17, 2022.
6 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
+12.2% year over year
more than 80% of Materials
Margin
-108.9% net margin
below 93% of Materials
Buybacks
no share repurchases reported
Short interest
<0.1% of the float short (float per yahoo 2026-10-27) · 1.0 days to cover · settled 2026-10-15
the lowest in Materials
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch PURE

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The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+8.7%12M
-50%-25%+0%+25%2025-102025-122026-022026-042026-062026-082026-10
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns PURE: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in PURE

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

PURE planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
Each figure here is a federal filing, dated the day it went public, so you can test what was knowable then.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
JELDLEGHWMSAVYSXTENTGREXGEVOCMTKOPNKEBNET

PURE financials

Revenue growth
+12.2%
XBRL, annual
Net margin
-108.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.4M
four quarters, 2025-05-01 to 2026-04-30
Net margin, TTM
-91.0%
net income over revenue, 2025-05-01 to 2026-04-30
Free cash flow, TTM
-$1.8M
operating cash flow minus capex, 2025-05-01 to 2026-04-30
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
n/a
average equity is zero or negative
Return on assets
-168.6%
TTM net income over average of 2025-04-30 and 2026-04-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
n/a
capital employed is zero or negative
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no debt line filed
FCF yield
-16.0%
TTM free cash flow over market value at close 2026-10-27
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-072024-072023-072022-07
Revenue$2.2M$2.0M$1.9M$1.9M
Gross profit$1.3M$1.2M$971.0K$1.0M
Operating income-$2.3M-$3.2M-$3.9M-$3.7M
Net income-$2.4M-$3.4M-$4.0M-$3.5M
EPS (diluted)-0.02-0.03-0.04-0.04
Operating cash flow-$2.0M-$2.5M-$3.3M-$2.4M
Cash$334.0K$349.0K$1.1M$3.4M
SEC XBRL, fiscal years, as known on 2026-10-28

PURE Stock Sonar score 2/7 axes

Find similar shapesCompare
Growth
80
Inputs
  • Revenue growth, YoY+12.2% · 80 pct, sector of 128
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Risk and compliance
99
Inputs
  • Short interest, % of float+0.0% · 99 pct, sector of 145
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+0.8% · 98 pct, sector of 111
5 not measured: Profitability, Financial health, Insider conviction, Institutional and government, US patents
  • Profitability needs 2 of 4 inputs, 1 present: average equity is zero or negative; capital employed is zero or negative; tax provision or pre-tax income not filed for the four quarters
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

2 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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