BJDX · Bluejay Diagnostics, Inc.

On March 14, 2026, Mr. Dey purchased 12,500 shares of the issuer's common stock from the issuer in a private placement at a price of $2.00 per share.

On March 14, 2026, Mr. Chase purchased 12,500 shares of the issuer's common stock from the issuer in a private placement at a price of $2.00 per share.

On March 14, 2026, Mr. Zeidman purchased 12,500 shares of the issuer's common stock from the issuer in a private placement at a price of $2.00 per share.

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.

On March 14, 2026, Ms. Dey purchased 12,500 shares of the issuer's common stock from the issuer in a private placement at a price of $2.00 per share.

The original Form 4, filed on March 28, 2023 is being amended by this Form 4 amendment solely to correct an administrative error which misreported this transaction as a grant with a transaction code of "A" instead of an open market purchase with a transaction code of "P."

The original Form 4, filed on March 28, 2023 is being amended by this Form 4 amendment solely to correct an administrative error which misreported this transaction as a grant with a transaction code of "A" instead of an open market purchase with a transaction code of "P."

The original Form 4, filed on March 24, 2023 is being amended by this Form 4 amendment solely to correct an administrative error which misreported this transaction as a grant with a transaction code of "A" instead of an open market purchase with a transaction code of "P."

Issued in connection with the reporting person's employment with the Company.

Of the option grant, 5,000 shares were fully-vested on the Transaction Date and 60,000 shares will vest in three equal annual installments beginning on the first anniversary of the Transaction Date, subject to the grantee's continued service to the Company on each vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

Includes warrants to purchase 69,868 shares of common stock held indirectly by Wurth Holdings, LLC and options to purchase 157,360 shares of common stock held directly by the reporting person.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

This transaction was executed in multiple trades at prices ranging from $1.15 to $1.20. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Does not include 1,108,883 shares held indirectly by Wurth Holdings, LLC.

This transaction was executed in multiple trades at prices ranging from $1.17 to $1.19. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Does not include 4,091,356 shares held by Lana Management & Business Research International, LLC, an entity owned by Mr. Indranil Dey and Ms. Svetlana Dey. Ms. Dey has voting and dispositive power over the shares held by such entity.

This transaction was executed in multiple trades at prices ranging from $1.01 to $1.04. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $1.01 to $1.15. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Does not include 1,108,883 shares held indirectly by Wurth Holdings, LLC.

This transaction was executed in multiple trades at prices ranging from $0.90 to $0.95. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

The stock options were issued in connection with the reporting person's employment services to the Company pursuant to the employment agreement between the reporting person and the Company dated July 1, 2021.

The stock options set forth in this table vest in three equal annual installments, subject to the grantee's continued service to the Company on each vesting date.

The stock options were issued in connection with the reporting person's employment services to the Company pursuant to the employment agreement between the reporting person and the Company dated July 1, 2021.

The stock options set forth in this table vest in three equal annual installments, subject to the grantee's continued service to the Company on each vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on December 15, 2022, subject to the grantee's continued service to the Company on the vesting date.

Includes warrants to purchase 69,868 shares of common stock held indirectly by Wurth Holdings, LLC and options to purchase 157,360 shares of common stock held directly by the reporting person.

The stock options were issued in connection with the reporting person's Board of Director services to the Company.

The stock options set forth in this table vest on the one-year anniversary of the date hereof, subject to the grantee's continued service to the Company on the vesting date.