Insider txns (12m)
12
Stock / equity
BJDX Bluejay Diagnostics, Inc.
- Company
- Bluejay Diagnostics, Inc.
- Security
- Equity
- Size, estimated from filings
- Micro cap (under $300M)
- Insiders on record
- 6
- Latest trade on record
- August 17, 2026
BJDX (Bluejay Diagnostics, Inc.) has 12 disclosed insider transactions from 6 insiders in the last 12 months (6 open-market buys, 1 sale, about $271K at reported prices) and 0 congressional trades from 0 members of Congress. The most recent disclosure was filed August 18, 2026.
Open-market buys / sales
6 / 1
Congress trades (12m)
0
Distinct filers (12m)
6
Share price
Price and chart by TradingView for Bluejay Diagnostics, Inc.. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
BJDX in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
6 people account for the disclosed buying and selling in BJDX over the last 12 months; the most active is HRT FINANCIAL LP with $146K.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 7 open-market trades in BJDX since Mar 14, 2026, at prices from $1.40 to $2.00; the most recent was a sale at $1.40 on Jul 10, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Dey Indranil
Dey Indranil reported 40,522 shares held after the latest filing, against 12,522 at the first on record.
Insiders trading BJDX
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| CHASE DONALD R | Director | 2 | 1 | 0 | $25K | — | August 17, 2026 |
| Dey Indranil | President and CEO | 2 | 1 | 0 | $25K | — | August 17, 2026 |
| Dey Svetlana | Director | 2 | 1 | 0 | $25K | — | August 17, 2026 |
| Wurth Douglas Clark | Director | 2 | 1 | 0 | $25K | — | August 17, 2026 |
| ZEIDMAN FRED S | Director | 2 | 1 | 0 | $25K | — | August 17, 2026 |
| HRT FINANCIAL LP | Insider | 2 | 1 | 1 | $97K | $49K | July 10, 2026 |
What kind of transactions these are 3 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| P | Open-market purchase | 6 | 126,547 | $222K |
| A | Grant or award | 5 | 428,000 | — |
| S | Open-market sale | 1 | 34,938 | $49K |
What each code means: Form 4 transaction codes.
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| ZEIDMAN FRED S | Other A | August 17, 2026 | August 18, 2026 | 1d | 100,000 | — | — | derivative | Form 4 ↗ | |
| Wurth Douglas Clark | Other A | August 17, 2026 | August 18, 2026 | 1d | 100,000 | — | — | derivative | Form 4 ↗ | |
| Dey Svetlana | Other A | August 17, 2026 | August 18, 2026 | 1d | 100,000 | — | — | derivative | Form 4 ↗ | |
| Dey Indranil | Other A | August 17, 2026 | August 18, 2026 | 1d | 28,000 | — | — | Form 4 ↗ | ||
| CHASE DONALD R | Other A | August 17, 2026 | August 18, 2026 | 1d | 100,000 | — | — | derivative | Form 4 ↗ | |
| HRT FINANCIAL LP | Sell S | July 10, 2026 | July 13, 2026 | 3d | 34,938 | $1 | $49K | Form 4 ↗ | ||
| HRT FINANCIAL LP | Buy P | July 9, 2026 | July 13, 2026 | 4d | 64,047 | $2 | $97K | Form 4 ↗ | ||
| Wurth Douglas Clark | Buy P | March 14, 2026 | May 18, 2026 | 65d | 12,500 | $2 | $25K | late | Form 4 ↗ | |
| Dey Indranil | Buy P | March 14, 2026 | May 18, 2026 | 65d | 12,500 | $2 | $25K | late | Form 4 ↗ | |
| CHASE DONALD R | Buy P | March 14, 2026 | May 18, 2026 | 65d | 12,500 | $2 | $25K | late | Form 4 ↗ | |
| ZEIDMAN FRED S | Buy P | March 14, 2026 | May 18, 2026 | 65d | 12,500 | $2 | $25K | late | Form 4 ↗ | |
| Dey Svetlana | Buy P | March 14, 2026 | May 18, 2026 | 65d | 12,500 | $2 | $25K | late | Form 4 ↗ |
Congressional trades
No member of Congress has disclosed a trade in this ticker in the filings we have parsed.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 11 | 12 | May 18, 2026 | August 18, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.