Director Wurth Douglas Clark boosts Bluejay Diagnostics (BJDX) stake in $2 private share purchase

Rhea-AI Filing Summary

Bluejay Diagnostics director Wurth Douglas Clark bought additional common stock in the company. On March 14, 2026, he purchased 12,500 shares of Bluejay Diagnostics, Inc. common stock from the issuer in a private placement at $2.00 per share.

Following this transaction, his reported holdings increased to 12,608 shares of common stock, which includes 34 shares held by Wurth Holdings LLC, an entity he controls.

Insider Trade Summary

Net Buyer: 12,500 shares ($25,000)

Net Buy 1 txn

Insider Wurth Douglas Clark

Role null

Bought 12,500 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	12,500	$2.00	$25K

Holdings After Transaction: Common Stock — 12,608 shares (Direct, null)

Footnotes (1)

1. On March 14, 2026, Mr. Wurth purchased 12,500 shares of the issuer's common stock ("Common Stock") from the issuer in a private placement at a price of $2.00 per share. Of such amount, 34 shares of Common Stock are held by Wurth Holdings LLC, an entity controlled by Mr. Wurth.

Key Figures

Shares purchased: 12,500 shares Purchase price: $2.00 per share Total holdings after trade: 12,608 shares +1 more

4 metrics

Shares purchased 12,500 shares Common Stock bought on March 14, 2026

Purchase price $2.00 per share Private placement price with issuer

Total holdings after trade 12,608 shares Common Stock position following transaction

Indirect holdings via LLC 34 shares Held by Wurth Holdings LLC, controlled by Mr. Wurth

Key Terms

private placement, Common Stock, open-market purchase, Form 4

4 terms

private placement financial

"purchased 12,500 shares of the issuer's common stock ... in a private placement at a price of $2.00 per share"

A private placement is a way for companies to raise money by selling securities directly to a small group of investors instead of through a public offering. This process is often quicker and less regulated, making it similar to offering a special, exclusive investment opportunity to select individuals or institutions. For investors, it can provide access to unique investment options that are not available on public markets.

Common Stock financial

"shares of the issuer's common stock ("Common Stock") from the issuer in a private placement"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open-market purchase financial

"transaction_action": "open-market purchase""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wurth Douglas Clark

(Last) (First) (Middle)

C/O BLUEJAY DIAGNOSTICS, INC.

360 MASSACHUSETTS AVENUE, SUITE 203

(Street)

ACTON MASSACHUSETTS 01720

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Bluejay Diagnostics, Inc. [ BJDX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/14/2026		P		12,500(1)	A	$2	12,608	D(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On March 14, 2026, Mr. Wurth purchased 12,500 shares of the issuer's common stock ("Common Stock") from the issuer in a private placement at a price of $2.00 per share.

2. Of such amount, 34 shares of Common Stock are held by Wurth Holdings LLC, an entity controlled by Mr. Wurth.

	/s/ Douglas Clark Wurth	05/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Bluejay Diagnostics (BJDX) report for Wurth Douglas Clark?

Bluejay Diagnostics reported that director Wurth Douglas Clark purchased 12,500 shares of common stock. The shares were bought from the company in a private placement at $2.00 per share, increasing his total reported holdings to 12,608 shares of BJDX common stock.

At what price did the Bluejay Diagnostics (BJDX) director buy new shares?

The director bought 12,500 Bluejay Diagnostics common shares at $2.00 per share. This price was used in a private placement directly with the issuer, rather than through open-market trading on an exchange, as disclosed in the Form 4 footnote.

How many Bluejay Diagnostics (BJDX) shares does Wurth Douglas Clark hold after the transaction?

After the transaction, Wurth Douglas Clark’s reported holdings total 12,608 BJDX common shares. This figure includes 34 shares held by Wurth Holdings LLC, an entity he controls, as described in the Form 4 footnote disclosure.

Was the Bluejay Diagnostics (BJDX) insider transaction an open-market purchase?

Although coded as a purchase, the Form 4 footnote clarifies it was a private placement. On March 14, 2026, Wurth Douglas Clark bought 12,500 BJDX common shares directly from the issuer at $2.00 per share, rather than on the open market.

What role does Wurth Holdings LLC play in Bluejay Diagnostics (BJDX) share ownership?

Wurth Holdings LLC holds 34 shares of Bluejay Diagnostics common stock. The entity is controlled by Wurth Douglas Clark, and these indirectly held shares are included within his total reported 12,608-share BJDX common stock position on the Form 4.