Cerus CLO logs tax-related share sale and stock grant

CERUS CORP Chief Legal Officer Chrystal Jensen reported two common stock transactions.

Accepted by SEC EDGAR 07/02/2026 - 07:15 PM EDT

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Form Type

Rhea-AI Filing Summary

CERUS CORP Chief Legal Officer Chrystal Jensen reported two common stock transactions. On June 30, 2026, Jensen sold 24,329 shares of common stock at a weighted average price of $2.9429 per share. According to the disclosure, these shares were sold under an instruction intended to comply with Rule 10b5-1 to cover statutory tax withholding obligations and related brokerage fees tied to vesting restricted stock units, and did not represent a discretionary sale.

On the same date, Jensen also acquired 55,000 shares of common stock as a grant or award at no cost. Following these transactions, Jensen directly held 966,657 shares of CERUS CORP common stock.

Insider Trade Summary 10b5-1

Net Seller: 24,329 shares

Net Sell 2 txns

Insider Jensen Chrystal

Role Chief Legal Officer

Sold 24,329 shs ($72K)

Share of Position Sold 2.5%

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	55,000	$0.00	$0.00
Sale	Common Stock	24,329	$2.9429	$72K

Holdings After Transaction: Common Stock — 966,657 shares (Direct)

Holdings Before and After: Common Stock, 1,045,986 to 966,657 shares (Direct)

Other Insiders: 4 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (2)

F1. 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.
F2. Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $2.84 to $3.03 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.

Key Figures

Shares sold: 24,329 shares Weighted average sale price: $2.9429 per share Sale price range: $2.84–$3.03 per share +2 more

5 metrics

Shares sold 24,329 shares Common stock sold on June 30, 2026

Weighted average sale price $2.9429 per share Common stock sale on June 30, 2026

Sale price range $2.84–$3.03 per share Multiple sale transactions on June 30, 2026

Shares granted 55,000 shares Common stock grant on June 30, 2026

Post-transaction holdings 990,986 shares Direct ownership after June 30, 2026 transactions

Key Terms

Rule 10b5-1, restricted stock units, statutory tax withholding obligations, weighted average sales price

4 terms

Rule 10b5-1 regulatory

"Represents shares sold pursuant to an instruction intended to comply with the requirement of Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

restricted stock units financial

"in connection with the vesting of certain restricted stock units and does not represent a discretionary sale"

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.

statutory tax withholding obligations financial

"to cover statutory tax withholding obligations and corresponding brokerage fees in connection with the vesting"

weighted average sales price financial

"Represents a weighted average sales price. These shares were sold in multiple transactions"

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Jensen Chrystal

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/30/2026		A		55,000	D	$0.00	990,986	D
Common Stock	06/30/2026		S		24,329⁽¹⁾	D	$2.9429⁽²⁾	966,657	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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.

2. Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $2.84 to $3.03 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.

	Chrystal N. Jensen	07/02/2026
	** 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)