Nasdaq · CIK 0001704287
BJDX Bluejay Diagnostics, Inc.
Insider trading from SEC Form 4. Last filing Aug 18, 2026. Close $0.79 on Oct 12, 2026, +4% from the 52-week low and -94% from the high.
In brief
Bluejay Diagnostics, Inc. (BJDX) has 15 SEC Form 4 filings on file from 6 insiders, the latest filed on Aug 18, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
9 open-market trades have been scored at BJDX. The newest: Hrt Financial LP (10% owner) bought $97k of stock on Jul 9, 2026, filed Jul 13, 2026, scored 22 (weak). 5 insiders bought within 14 days of each other around Mar 14, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Bluejay Diagnostics, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 22Weak | Hrt Financial LP owner buy | $97k 64,047 shares | +102% | - | |
| 29Weak | Hrt Financial LP owner sell | $49k 34,938 shares | -28% | - | |
| 45Moderate | Svetlana Dey director buy | $25k 12,500 shares | first purchase | - | |
| 43Moderate | Fred S Zeidman director buy | $25k 12,500 shares | - | - | |
| 45Moderate | Donald R Chase director buy | $25k 12,500 shares | first purchase | - | |
| 55Moderate | Indranil Dey President and CEO buy | $25k 12,500 shares | first purchase | - | |
| 45Moderate | Douglas Clark Wurth director buy | $25k 12,500 shares | first purchase | - | |
| 51Moderate | Indranil Dey President and CEO buy | $1,635 500 shares | +2% | 0% from low-83% from high | |
| 51Moderate | Svetlana Dey director buy | $1,535 500 shares | +50% | 0% from low-83% from high |
Transactions
Every row filed, 14 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | Donald R Chase director | AGrant or award Stock Option (Right to Buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Aug 18, 2026 |
| Aug 17, 2026 | Indranil Dey President and CEO | AGrant or award Common Stock | +28,000 | $0.00 | $0 | 40,522 | Aug 18, 2026 |
| Aug 17, 2026 | Svetlana Dey director | AGrant or award Stock Option (Right to Buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Aug 18, 2026 |
| Aug 17, 2026 | Douglas Clark Wurth director | AGrant or award Stock Option (Right to Buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Aug 18, 2026 |
| Aug 17, 2026 | Fred S Zeidman director | AGrant or award Stock Option (Right to Buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Aug 18, 2026 |
| Jul 9, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +64,047 | $1.51 | $97k | 126,993 | Jul 13, 2026 |
| Jul 10, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -34,938 | $1.40 | $49k | 92,055 | Jul 13, 2026 |
| Mar 14, 2026 | Svetlana Dey director | POpen-market purchase Common Stock | +12,500 | $2.00 | $25k | 12,501 | May 18, 2026 |
| Mar 14, 2026 | Fred S Zeidman director | POpen-market purchase Common Stock | +12,500 | $2.00 | $25k | 12,500 | May 18, 2026 |
| Mar 14, 2026 | Donald R Chase director | POpen-market purchase Common Stock | +12,500 | $2.00 | $25k | 12,525 | May 18, 2026 |
| Mar 14, 2026 | Indranil Dey President and CEO | POpen-market purchase Common Stock | +12,500 | $2.00 | $25k | 12,522 | May 18, 2026 |
| Mar 14, 2026 | Douglas Clark Wurth director | POpen-market purchase Common Stock | +12,500 | $2.00 | $25k | 12,608 | May 18, 2026 |
| Dec 13, 2023 | Indranil Dey President and CEO | POpen-market purchase Common Stock | +500 | $3.27 | $1,635 | 28,526 | Dec 14, 2023 |
| Dec 13, 2023 | Svetlana Dey director | POpen-market purchase Common Stock | +500 | $3.07 | $1,535 | 1,500 | Dec 14, 2023 |
Insiders
Everyone who has filed a Form 4 here.
- Donald R Chasedirector
- Indranil DeyPresident and CEO
- Svetlana Deydirector
- Hrt Financial LPowner
- Douglas Clark Wurthdirector
- Fred S Zeidmandirector
Questions about BJDX
Answered from the filings on this page, as of the latest one.
Are insiders buying BJDX?
No. In the last 90 days no insider at Bluejay Diagnostics, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade BJDX on the open market?
Hrt Financial LP (10% owner) bought $97k of BJDX on Jul 9, 2026 and filed the Form 4 on Jul 13, 2026. InsiderTell scored 22 (weak).
How many insiders file Form 4 at Bluejay Diagnostics, Inc.?
6 people have filed a Form 4 at Bluejay Diagnostics, Inc., among them Donald R Chase (director), Indranil Dey (President and CEO), Svetlana Dey (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.