Cerus director granted 60,000 RSUs

Lucena Ann reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Lucena Ann reported acquisition or exercise transactions in this Form 4 filing.

CERUS CORP director Ann Lucena received a grant of 60,000 restricted stock units (RSUs) of common stock. Each RSU represents the right to receive one share. The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, subject to her continuous service. Following this award, she holds 232,284 shares directly.

Insider Trade Summary

Grant/Award: 60,000 shares

Grant/Award 1 txn

Insider Lucena Ann

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	60,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 232,284 shares (Direct)

Footnotes (1)

1. F1. Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest on the earlier of the first anniversary of the date of grant or the day prior to the next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

Key Figures

RSUs granted: 60,000 units Price per share: $0.0000 per share Shares after transaction: 232,284 shares

3 metrics

RSUs granted 60,000 units Common Stock RSUs granted to director Ann Lucena

Price per share $0.0000 per share Grant price for RSU-related common stock

Shares after transaction 232,284 shares Total common shares held directly after RSU grant

Key Terms

RSUs, 2024 Equity Incentive Plan, contingent right, annual meeting of stockholders, +1 more

5 terms

RSUs financial

"Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

2024 Equity Incentive Plan financial

"Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan."

contingent right financial

"Each RSU represents a contingent right to receive one share of common stock"

annual meeting of stockholders financial

"the day prior to the next annual meeting of stockholders, subject to the Reporting Person's continuous service"

continuous service financial

"subject to the Reporting Person's continuous service to the Issuer through such vesting date"

FAQ

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

What insider transaction did CERUS CORP (CERS) report for Ann Lucena?

CERUS CORP reported that director Ann Lucena received 60,000 restricted stock units of common stock. These RSUs were granted at no cash cost and increase her direct holdings to 232,284 shares after the grant, aligning her compensation partly with company equity.

How many CERUS CORP shares does Ann Lucena hold after this Form 4 grant?

After the RSU grant, Ann Lucena holds 232,284 CERUS CORP common shares directly. This figure includes the newly granted 60,000 restricted stock units, which each represent the right to receive one share once vesting conditions are met under the equity plan.

What are the vesting terms for Ann Lucena’s 60,000 CERUS CORP RSUs?

The 60,000 CERUS CORP RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting. Vesting is conditioned on Ann Lucena’s continuous service to the company through the applicable vesting date.

What does each CERUS CORP RSU granted to Ann Lucena represent?

Each CERUS CORP restricted stock unit granted to Ann Lucena represents a contingent right to receive one share of common stock. The units convert into actual shares only upon satisfying the vesting conditions specified in the company’s 2024 Equity Incentive Plan.

Under which plan were Ann Lucena’s CERUS CORP RSUs granted?

Ann Lucena’s 60,000 RSUs were granted under CERUS CORP’s 2024 Equity Incentive Plan. This plan governs the terms of equity awards, including RSUs, and specifies vesting conditions tied to service and the timing related to the company’s annual meeting of stockholders.

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

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Accepted by SEC EDGAR 06/02/2026 - 07:59 PM 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^*

Lucena Ann

(Last) (First) (Middle)

C/O CERUS CORPORATION

1220 CONCORD AVE. SUITE 600

(Street)

CONCORD CALIFORNIA 94520

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CERUS CORP [ CERS ]

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)
06/02/2026

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	06/02/2026		A		60,000(1)	A	$0	232,284	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:

1. Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest on the earlier of the first anniversary of the date of grant or the day prior to the next annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

	Ann Lucena by Chrystal N. Jensen, attorney-in-fact	06/02/2026
	** 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)