Bluejay Diagnostics, Inc. (BJDX)
Nasdaq: BJDX · Surgical & Medical Instruments & Apparatus · Acton, MA · filing with the SEC since 2017
Who owns Bluejay Diagnostics, Inc.
As filed with the SECHolders of 5% or more
3
Armistice Capital, LLC holds 9.99% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13G filed Aug 14, 2026 says.
Directors and officers
5
report now, of 10 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Armistice Capital, LLC
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, par value $0.0001 per share · 4.99% in May 15, 2026
Ayrton Capital LLC
SCHEDULE 13G · filed Aug 13, 2026 · Common Stock
Mitchell P. Kopin
SCHEDULE 13G · filed Jun 5, 2026 · Common stock, par value $0.0001 per share · 4.99% in Feb 13, 2026
Sabby Management, LLC
SCHEDULE 13G/A · filed Jan 3, 2025 · Common Stock · reported falling below 5%
Anson Funds Management LP
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock, $0.0001 par value · reported falling below 5%
L1 Capital Global Opportunities Master Fund, Ltd.
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock, par value $0.0001 per share · reported falling below 5%
NorthStrive Fund II LP
SCHEDULE 13D/A · filed Jun 2, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 3.65% in Mar 11, 2026
Braeden Lichti
SCHEDULE 13D/A · filed Jun 2, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 3.65% in Mar 11, 2026
What BJDX reports owning in othersstakes of 5% or more, and other ties
Bluejay Diagnostics, Inc. reports no stake in another company in the record.
Insider tradesForm 4
0sales
5purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window6 of 14 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Dey Indranil | President and CEO | 0 | $0 | 0 | 1 | $0 |
| Chase Donald R | director | 0 | $0 | 0 | 1 | $0 |
| Dey Svetlana | director | 0 | $0 | 0 | 1 | $0 |
| Wurth Douglas Clark | director | 0 | $0 | 0 | 1 | $0 |
| Zeidman Fred S | director | 0 | $0 | 0 | 1 | $0 |
| Hrt Financial LP | 10% owner | 1 | $0 | 0 | 1 | $100,000 |