CERS insider reports restricted-stock sales

Issuer reported multiple sales of restricted common stock by an affiliate via Form 144.

Rhea-AI Filing Summary

Issuer reported multiple sales of restricted common stock by an affiliate via Form 144. The submission lists individual transactions dated 05/01/2026, 03/13/2026 and 03/06/2026 showing sales of restricted Common stock with gross proceeds recorded for each trade.

Insights

Securities Compliance Counsel

Form 144 lists sales of restricted common stock by an issuer affiliate, with transaction details shown.

What the filing is: The excerpt lists restricted Common stock sales filed under Form 144, identifying the seller and per-transaction share counts and gross proceeds for each dated entry.

Implications and checks: These are resale notices for restricted shares; cash-flow treatment and whether any sales were brokered are not specified in the excerpt. Subsequent public filings or broker reports would clarify execution method and any Rule 144 timing considerations.

Key Figures

Sale on 05/01/2026: 16,667 shares Sale on 03/13/2026: 165,200 shares Sale on 03/06/2026: 34,094 shares

3 metrics

Sale on 05/01/2026 16,667 shares listed with gross proceeds <money>$50,001.00</money>

Sale on 03/13/2026 165,200 shares listed with gross proceeds <money>$273,769.50</money>

Sale on 03/06/2026 34,094 shares listed with gross proceeds <money>$68,375.38</money>

Key Terms

Restricted Stock, Form 144, Gross proceeds

3 terms

Restricted Stock financial

"Restricted Stock | ISSUER | 03/12/2021"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Form 144 regulatory

"CONTENT TO ANALYZE: Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Gross proceeds financial

"03/13/2026 | 165200 | 273769.50"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

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

What does the CERS Form 144 disclose?

It discloses resale notices for restricted common stock by an affiliate. The excerpt lists transactions dated 05/01/2026, 03/13/2026 and 03/06/2026 with per-transaction share counts and gross proceeds.

How many shares were listed in the March 13, 2026 sale?

The March 13, 2026 entry lists 165,200 shares sold. The same row shows gross proceeds of $273,769.50 as recorded in the filing excerpt.

Who is the reported seller on these entries?

The filing names Vivek K Jayaraman as the reporting party. The excerpt provides an address for Vivek K Jayaraman alongside each listed Common stock transaction.

Do these entries state how proceeds are used?

No use-of-proceeds information is provided in the excerpt. The lines show gross proceeds per sale but do not describe recipients of funds or intended use in the provided content.

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

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Accepted by SEC EDGAR 05/29/2026 - 04:13 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001605456
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CERUS CORPORATION
SEC File Number	000-21937
Address of Issuer	1220 Concord Avenue Suite 600 CONCORD CALIFORNIA 94520
Phone	(925) 288-6000
Name of Person for Whose Account the Securities are To Be Sold	VIVEK K JAYARAMAN
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	16667	50001.00	200368974	05/29/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/12/2021	Restricted Stock	ISSUER			16667	03/12/2021	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
VIVEK K JAYARAMAN 1220 Concord Avenue Suite 600 CONCORD CA 94520	Common	05/01/2026	16667	50001.00
VIVEK K JAYARAMAN 1220 Concord Avenue Suite 600 CONCORD CA 94520	Common	03/13/2026	165200	273769.50
VIVEK K JAYARAMAN 1220 Concord Avenue Suite 600 CONCORD CA 94520	Common	03/06/2026	34094	68375.38

144: Remarks and Signature

Remarks
Date of Notice	05/29/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/15/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Vivek Krushna Jayaraman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)