Cerus (CERS) CFO mixes stock award with planned and tax-driven sales

Rhea-AI Filing Summary

Cerus Corp’s chief financial officer Kevin Dennis Green reported a mix of stock awards and sales. On March 5, 2026, he acquired 63,854 shares of common stock in a grant or award at $0.00 per share, increasing his direct holdings.

On March 5 and 6, 2026, he sold a total of 83,021 shares of common stock in open‑market transactions at weighted average prices of about $2.06 and $2.01 per share. The filing notes that some sales were made under a Rule 10b5‑1 trading plan and that certain shares were sold pursuant to instructions elected at grant solely to cover statutory tax withholding and related brokerage fees, described as not discretionary sales.

After these transactions, Green directly owned 1,168,095 shares of Cerus common stock.

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

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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)
03/05/2026

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	03/05/2026		A		63,854	A	$0.00	1,251,116	D
Common Stock	03/05/2026		S		55,225(1)	D	$2.0625(2)	1,195,891	D
Common Stock	03/06/2026		S		27,796(3)	D	$2.0055(4)	1,168,095	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. This transaction was executed pursuant to a 10b5-1 plan.

2. Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $2.015 to $2.17 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the aforementioned range set forth.

3. Represents shares sold pursuant to an instruction intended to comply with the requirement of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

4. Represents a weighted average sales price. These shares were sold in multiple transactions in a block trade transaction. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price in the block trade.

	Kevin D. Green, by Chrystal N. Jensen, attorney-in-fact	03/09/2026
	** 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.

FAQ

What insider transactions did Cerus (CERS) CFO Kevin Dennis Green report?

Kevin Dennis Green reported a stock award and two stock sales. He received 63,854 Cerus common shares as a grant, then sold 83,021 shares in open-market and related transactions, ending with direct ownership of 1,168,095 shares.

How many Cerus (CERS) shares did the CFO sell and at what prices?

The CFO sold a total of 83,021 Cerus common shares. These were executed in open-market and block trades at weighted average prices around $2.01 and $2.06 per share, within stated price ranges described in the transaction footnotes.

Were Cerus (CERS) CFO’s stock sales discretionary or under a plan?

Some of the CFO’s Cerus stock sales were made under a Rule 10b5-1 trading plan. A separate footnote states certain shares were sold only to cover statutory tax withholding and brokerage fees and are described as not representing discretionary sales.

What new Cerus (CERS) shares did the CFO acquire in this Form 4?

The CFO acquired 63,854 shares of Cerus common stock through a grant or award transaction. The shares were reported at a price of $0.00 per share, indicating they were received as compensation rather than purchased in the open market.

How many Cerus (CERS) shares does the CFO own after these transactions?

After the reported transactions, Kevin Dennis Green directly owned 1,168,095 shares of Cerus common stock. This total reflects the combination of his March 5 stock award and his subsequent open-market and related stock sales reported in the filing.

What is the significance of the Rule 10b5-1 plan in Cerus (CERS) CFO’s trades?

A footnote explains that one transaction was executed under a Rule 10b5-1 trading plan. Such plans pre-schedule trades, helping executives sell shares according to predetermined instructions, which can reduce concerns about timing based on nonpublic information.