GLSI CEO buys 10,600 shares at $8.43; now owns 5,583,502 common

Greenwich LifeSciences (GLSI) reported an insider open‑market purchase.

Rhea-AI Filing Summary

Greenwich LifeSciences (GLSI) reported an insider open‑market purchase. Snehal Patel acquired 10,600 shares of common stock at $8.43 on 11/07/2025. After this transaction, his beneficial ownership stands at 5,583,502 shares, held directly.

Patel is the company’s CEO, CFO, a director, and a 10% owner. The report reflects one reporting person and lists the transaction in Table I; no derivative transactions are shown in Table II.

Insider Trade Summary

Net Buyer: 10,600 shares

Net Buy 1 txn

Insider Patel Snehal

Role CEO and CFO

Bought 10,600 shs ($89K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	10,600	$8.43	$89K

Holdings After Transaction: Common Stock — 5,583,502 shares (Direct)

FAQ

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

What insider transaction did GLSI report on Form 4?

Snehal Patel purchased 10,600 GLSI common shares at $8.43 on 11/07/2025.

How many GLSI shares does Snehal Patel own after the trade?

He beneficially owns 5,583,502 shares, held directly.

What roles does the reporting person hold at GLSI?

He is CEO, CFO, a director, and a 10% owner.

Was the transaction direct or indirect ownership?

The filing indicates Direct (D) ownership.

Did the Form 4 include any derivative securities activity?

No. Table II shows no derivative transactions listed in the excerpt.

When was the Form 4 signed?

It was signed /s/ Snehal Patel on 11/12/2025.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 11/12/2025 - 06:05 AM EST 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^*

Patel Snehal

(Last) (First) (Middle)

C/O GREENWICH LIFESCIENCES, INC.

3992 BLUEBONNET DR., BUILDING 14

(Street)

STAFFORD TX 77477

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Greenwich LifeSciences, Inc. [ GLSI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/07/2025

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	11/07/2025		P		10,600	A	$8.43	5,583,502	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

Explanation of Responses:

	/s/ Snehal Patel	11/12/2025
	** 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.