Cerenome director Kyle Guse acquires 921 shares

The director's RSU grant vests in four substantially equal quarterly installments beginning July 1, 2026.

Rhea-AI Filing Summary

Cerenome, Inc. (CNSY) director Kyle Guse reported vesting 921 restricted stock units on October 1, 2026, with 921 common shares acquired. Each RSU represents a contingent right to one common share. His reported direct common-stock position following the transaction was 1,843 shares. The grant vests in four substantially equal quarterly installments beginning July 1, 2026.

Insider Trade Summary

921 shares exercised/converted

Exercise 2 txns

Insider Guse Kyle

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units F2	921	$0.00	$0.00
Exercise	Common Stock F2, F1	921	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,843 contracts (Direct); Common Stock — 1,843 shares (Direct)

Footnotes (2)

1. F1. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the issuer's Common Stock.
2. F2. Represents the vesting of an RSU grant which occurs in four substantially equal quarterly installments beginning on July 1, 2026.

Key Figures

Restricted stock units vested: 921 RSUs Common shares acquired: 921 shares Direct common shares following transaction: 1,843 shares +2 more

5 metrics

Restricted stock units vested 921 RSUs October 1, 2026

Common shares acquired 921 shares October 1, 2026

Direct common shares following transaction 1,843 shares Kyle Guse's reported position

Shares per RSU 1 share Each RSU represents a contingent right to receive one common share

Quarterly vesting installments 4 installments Beginning July 1, 2026

Key Terms

Restricted Stock Units, vesting, contingent right

3 terms

Restricted Stock Units financial

"Each Restricted Stock Unit ("RSU") represents a contingent right"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"Represents the vesting of an RSU grant"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

contingent right financial

"represents a contingent right to receive one share"

FAQ

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

How many CNSY shares did director Kyle Guse hold after the RSU vesting?

Kyle Guse held 1,843 shares of Cerenome common stock directly following the October 1, 2026 transaction.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 10/01/2026 - 08:00 AM Accepted by SEC EDGAR 10/01/2026 - 08:00 AM 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^*

Guse Kyle

(Last) (First) (Middle)

C/O PLUS THERAPEUTICS INC.

6420 LEVIT GREEN BOULEVARD, SUITE 310

(Street)

HOUSTON TEXAS 77021

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CERENOME, INC. [ CNSY ]

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)
10/01/2026

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	10/01/2026		M		921(2)	A	$0(1)	1,843	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
Restricted Stock Units	$0	10/01/2026		M			921	(2)	(2)	Common Stock	921	$0	1,843	D

Explanation of Responses:

1. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the issuer's Common Stock.

2. Represents the vesting of an RSU grant which occurs in four substantially equal quarterly installments beginning on July 1, 2026.

	Andrew Sims, as attorney-in-fact	10/01/2026
	** 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)