Cerus director granted 60,000 RSUs in stock award

Cerus Corp director Gregory Dean A. reported receiving 60,000 shares of common stock in the form of restricted stock units (RSUs) granted under the company’s 2024 Equity Incentive Plan.

Rhea-AI Filing Summary

Cerus Corp director Gregory Dean A. reported receiving 60,000 shares of common stock in the form of restricted stock units (RSUs) granted under the company’s 2024 Equity Incentive Plan. Each RSU converts into one share and vests on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, as long as he continues serving the company. After this award, he directly holds 146,725 shares of Cerus common stock.

Insider Trade Summary

Grant/Award: 60,000 shares

Grant/Award 1 txn

Insider Gregory Dean A.

Role Director

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

Holdings After Transaction: Common Stock — 146,725 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

RSU grant size: 60,000 shares Post-grant holdings: 146,725 shares Grant price: $0.0000 per share +1 more

4 metrics

RSU grant size 60,000 shares Restricted stock units of Cerus common stock granted to director

Post-grant holdings 146,725 shares Direct Cerus common stock held after reported transaction

Grant price $0.0000 per share Stated per-share price for the RSU award

Transaction date 2026-06-02 Date of RSU grant to Cerus director

Key Terms

RSUs, 2024 Equity Incentive Plan, contingent right, vesting date

4 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"

vesting date 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 did Cerus Corp (CERS) director Gregory Dean A. receive in this Form 4?

Gregory Dean A. received 60,000 restricted stock units (RSUs) of Cerus common stock. Each RSU represents a contingent right to one share, granted as equity compensation under Cerus’ 2024 Equity Incentive Plan rather than an open-market stock purchase.

How many Cerus (CERS) shares does Gregory Dean A. hold after this RSU grant?

After the RSU grant, Gregory Dean A. directly holds 146,725 shares of Cerus common stock. This total includes the effect of the 60,000-share award reported, reflecting his updated direct ownership position following the compensation-related acquisition.

When do the newly granted Cerus (CERS) RSUs to Gregory Dean A. vest?

The RSUs vest on the earlier of the first anniversary of the grant date or the day before Cerus’ next annual stockholder meeting. Vesting requires Gregory Dean A. to maintain continuous service to Cerus through the applicable vesting date specified in the award terms.

Are the Cerus (CERS) RSUs granted to Gregory Dean A. free shares today?

The RSUs are not immediately free-trading shares; they are contingent rights. Each unit converts into one share of Cerus common stock only when the vesting conditions are met, including continuous service through the applicable vesting date described in the grant terms.

Is this Cerus (CERS) Form 4 transaction an open-market stock purchase?

No, this transaction is a grant of RSUs at a stated price of $0.0000 per share. It is categorized as a grant, award, or other acquisition under the company’s equity plan, rather than an open-market buy of Cerus common stock by the director.

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

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Accepted by SEC EDGAR 06/02/2026 - 07:35 PM 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^*

Gregory Dean A.

(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	146,725	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.

	Dean A. Gregory 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)