City Therapeutics director holds 59,878-share option

The underlying shares vest in 48 equal monthly installments following September 29, 2024, subject to Barry E. Greene’s continued service on each vesting date.

Rhea-AI Filing Summary

City Therapeutics, Inc. (CTY) director Barry E. Greene reports a directly held stock option, a right to buy 59,878 shares of common stock, with an exercise price of $0.9200 per share and an expiration date of September 28, 2034. The reported position is an option holding, not an option exercise.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Greene Barry E

Role Director

Type	Security	Shares	Price	Value
holding	Stock Option (Right to Buy) F1	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 59,878 contracts (Direct)

Footnotes (1)

1. F1. The shares underlying this option vest in 48 equal monthly installments following September 29, 2024, subject to the Reporting Person's continued service on each such vesting date.

Key Figures

Underlying common shares: 59,878 shares Exercise price: $0.9200 per share Expiration date: September 28, 2034 +1 more

4 metrics

Underlying common shares 59,878 shares Shares underlying Barry E. Greene’s directly held option

Exercise price $0.9200 per share Stock option

Expiration date September 28, 2034 Stock option

Vesting schedule 48 equal monthly installments Following September 29, 2024, subject to continued service on each vesting date

Key Terms

Stock Option (Right to Buy), exercise price, vest

3 terms

Stock Option (Right to Buy) financial

"Stock Option (Right to Buy)"

exercise price financial

"exercise price of $0.9200"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vest financial

"shares underlying this option vest in 48 equal monthly installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

How many shares does CTY director Barry E. Greene’s option cover?

Barry E. Greene’s directly held option covers 59,878 shares of common stock. It has an exercise price of $0.9200 per share and expires on September 28, 2034.

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

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Available on EDGAR 10/17/2026 - 08:37 PM EDT Accepted by SEC EDGAR 10/15/2026 - 09:03 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Greene Barry E

(Last) (First) (Middle)

399 BINNEY STREET

(Street)

CAMBRIDGE MASSACHUSETTS 02142

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/15/2026

3. Issuer Name and Ticker or Trading Symbol
CITY THERAPEUTICS, INC. [ CTY ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(1)	09/28/2034	Common Stock	59,878	$0.92	D

Explanation of Responses:

1. The shares underlying this option vest in 48 equal monthly installments following September 29, 2024, subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Mary Beth DeLena, Attorney-in-Fact	10/15/2026
	** 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 5 (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 3: SEC 1473 (03-26)