ENDRA Life Sciences director buys 70,822 shares; 141,644 warrants

ENDRA Life Sciences (NDRA) reported an insider purchase by director Anthony DiGiandomenico on 10/10/2025.

Rhea-AI Filing Summary

ENDRA Life Sciences (NDRA) reported an insider purchase by director Anthony DiGiandomenico on 10/10/2025. He acquired 70,822 shares of common stock at $7.06 and 141,644 warrants with a $6.81 exercise price in a private placement exempt under Rule 16b-3(d)(1). Following the transaction, he beneficially owned 76,265 shares, which includes unvested RSUs. The warrants become exercisable on 10/15/2025 and expire on 10/15/2030. Ownership is reported as direct.

Insider Trade Summary

Grant/Award: 212,466 shares

Grant/Award 2 txns

Insider DIGIANDOMENICO ANTHONY

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Warrants	141,644	$7.06	$1.00M
Grant/Award	Common Stock	70,822	$7.06	$500K

Holdings After Transaction: Warrants — 141,644 contracts (Direct); Common Stock — 76,265 shares (Direct)

Footnotes (3)

1. F1. The shares of Common Stock and Warrants were purchased from the Issuer in a private placement, which transaction is exempt from Section 16(b) in accordance with Rule 16b-3(d)(1) promulgated under the Securities Exchange Act of 1934, as amended.
2. F2. Each share of Common Stock was purchased together with Warrants exercisable for two shares of Common Stock.
3. F3. Includes unvested restricted stock units.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NDRA's director purchase on 10/10/2025?

He acquired 70,822 shares of common stock at $7.06 and 141,644 warrants with a $6.81 exercise price.

How many NDRA shares does the reporting person hold after the trade?

Beneficial ownership is 76,265 shares, which includes unvested RSUs.

When can the NDRA warrants be exercised and when do they expire?

They are exercisable on 10/15/2025 and expire on 10/15/2030.

What was the nature of the transaction for NDRA securities?

The common shares and warrants were purchased from the issuer in a private placement exempt under Rule 16b-3(d)(1).

What is the exercise price of the NDRA warrants reported?

The warrants have a $6.81 exercise price per share of common stock.

Was ownership reported as direct or indirect?

Ownership was reported as direct (D).

What is NDRA's ticker symbol?

ENDRA Life Sciences trades under the ticker NDRA.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/15/2025 - 12:00 AM EDT Learn about SEC filing dates

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^*

DIGIANDOMENICO ANTHONY

(Last) (First) (Middle)

C/O ENDRA LIFE SCIENCES INC.

3600 GREEN COURT, SUITE 350

(Street)

ANN ARBOR MI 48105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENDRA Life Sciences Inc. [ NDRA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/10/2025

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

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

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

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	10/10/2025		A(1)		70,822	A	$7.06(2)	76,265(3)	D

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
Warrants	$6.81	10/10/2025		A(1)		141,644		10/15/2025	10/15/2030	Common Stock	141,644	$7.06(2)	141,644	D

Explanation of Responses:

1. The shares of Common Stock and Warrants were purchased from the Issuer in a private placement, which transaction is exempt from Section 16(b) in accordance with Rule 16b-3(d)(1) promulgated under the Securities Exchange Act of 1934, as amended.

2. Each share of Common Stock was purchased together with Warrants exercisable for two shares of Common Stock.

3. Includes unvested restricted stock units.

	/s/ Anthony DiGiandomenico by Mark Busch, attorney-in-fact	10/15/2025
	** 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.