Cerus CFO awarded 300,000 restricted stock units

Green Kevin Dennis reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Green Kevin Dennis reported acquisition or exercise transactions in this Form 4 filing.

Cerus Corporation’s Chief Financial Officer Kevin Dennis Green reported an award of 300,000 restricted stock units, each representing one share of common stock. The grant was at no cash cost to him and increases his direct holdings to 1,187,262 shares, including prior employee stock purchase plan shares.

The RSUs vest in two stages: 34% on March 12, 2027 and 66% on March 12, 2028, conditioned on his continued service with the company through each vesting date.

Insider Trade Summary

Grant/Award: 300,000 shares

Grant/Award 1 txn

Insider Green Kevin Dennis

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	300,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 1,187,262 shares (Direct)

Footnotes (2)

1. F1. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 34% of the grant vesting on March 12, 2027, and 66% of the grant vesting on March 12, 2028, subject to the Reporting Person's continuous service to the Issuer through such vesting date.
2. F2. Includes 5,837 and 5,558 shares purchased under Issuer's Employee Stock Purchase Plan on 08/29/25 and 02/27/26, respectively.

FAQ

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

What insider transaction did Cerus (CERS) report for its CFO?

Cerus reported its CFO, Kevin Dennis Green, received 300,000 restricted stock units. Each RSU represents a right to one share of common stock, granted at no cash cost, as part of his equity compensation package.

How many Cerus (CERS) shares does the CFO hold after this Form 4?

After the award, Cerus CFO Kevin Dennis Green directly holds 1,187,262 shares. This total includes shares underlying the new 300,000-unit RSU grant and shares previously acquired through the company’s employee stock purchase plan.

What are the vesting terms of the Cerus (CERS) CFO’s 300,000 RSUs?

The 300,000 Cerus RSUs vest in two annual installments. Thirty‑four percent vests on March 12, 2027 and sixty‑six percent vests on March 12, 2028, subject to the CFO’s continuous service with the company through each vesting date.

Does the Cerus (CERS) CFO have to pay for the 300,000 RSUs granted?

No, the 300,000 restricted stock units were granted at a stated price of $0.0000 per share. This reflects an equity compensation award rather than an open‑market purchase requiring the CFO to pay cash for the shares.

How do prior employee stock purchase plan shares affect the Cerus (CERS) CFO’s holdings?

The CFO’s reported holdings include 5,837 and 5,558 shares purchased under Cerus’s employee stock purchase plan. These purchases occurred on August 29, 2025 and February 27, 2026, and are part of his total 1,187,262 directly held shares.

Is the Cerus (CERS) CFO’s Form 4 transaction a buy or a sale?

The transaction is an acquisition through a grant of restricted stock units, not an open‑market buy or sale. It is reported with code “A,” meaning a grant, award, or other acquisition of securities as part of compensation.

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

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Accepted by SEC EDGAR 03/04/2026 - 08:36 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).

X

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^*

Green Kevin Dennis

(Last) (First) (Middle)

C/O CERUS CORPORATION

1220 CONCORD AVE SUITE 600

(Street)

CONCORD CA 94520

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		A(1)		300,000	A	$0	1,187,262(2)	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. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 34% of the grant vesting on March 12, 2027, and 66% of the grant vesting on March 12, 2028, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

2. Includes 5,837 and 5,558 shares purchased under Issuer's Employee Stock Purchase Plan on 08/29/25 and 02/27/26, respectively.

	Kevin D. Green, by Chrystal N. Jensen, attorney-in-fact	03/04/2026
	** 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.