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CIK 0001704287 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Bluejay Diagnostics, Inc.

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Ticker
BJDX
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
473552922
Phone
(978) 631-0152
Business address
360 MASSACHUSETTS AVENUE, SUITE 203, ACTON, MA, 01720
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-08-17 ZEIDMAN FRED S Director Grant or award · Stock Option (Right to Buy) +100,000 100,000
2026-08-17 Wurth Douglas Clark Director Grant or award · Stock Option (Right to Buy) +100,000 100,000
2026-08-17 Dey Svetlana Director Grant or award · Stock Option (Right to Buy) +100,000 100,000
2026-08-17 Dey Indranil President and CEO Grant or award +28,000 40,522
2026-08-17 CHASE DONALD R Director Grant or award · Stock Option (Right to Buy) +100,000 100,000
2026-07-10 HRT FINANCIAL LP 10% owner Sale −34,938 $1.40 $49K 92,055
2026-07-09 HRT FINANCIAL LP 10% owner Purchase +64,047 $1.51 $97K 126,993
2026-03-14 Wurth Douglas Clark Director Purchase +12,500 $2.00 $25K 12,608
2026-03-14 Dey Indranil President and CEO Purchase +12,500 $2.00 $25K 12,522
2026-03-14 CHASE DONALD R Director Purchase +12,500 $2.00 $25K 12,525
2026-03-14 ZEIDMAN FRED S Director Purchase +12,500 $2.00 $25K 12,500
2026-03-14 Dey Svetlana Director Purchase +12,500 $2.00 $25K 12,501
2023-12-13 Dey Svetlana Director Purchase +500 $3.07 $2K 1,500
2023-12-13 Dey Indranil President and CEO Purchase +500 $3.27 $2K 28,526
2023-03-28 Dey Indranil President and CEO Purchase +2,000 $0.44 $880 660,538
2023-03-28 Dey Indranil President and CEO Grant or award +2,000 $0.44 $880 660,538
2023-03-27 Dey Indranil President and CEO Purchase +8,000 $0.44 $4K 558,538
2023-03-27 Dey Indranil President and CEO Grant or award +8,000 $0.44 $4K 558,538
2023-03-24 Dey Svetlana Director Purchase +10,000 $0.44 $4K 47,500
2023-03-24 Dey Svetlana Director Grant or award +10,000 $0.44 $4K 47,500

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