Vivek K. Jayaraman - 30 Jun 2026 Form 4 Insider Report for CERUS CORP (CERS)

Reporting relationship: Chief Operating Officer
Issuer ticker: CERS
Reported as of: 30 Jun 2026
Net transaction value: -$124,658
SEC form: 4
Accepted by SEC: 02 Jul 2026, 19:18:07 UTC
Prior SEC filing: 02 Jun 2026
Next SEC filing: 20 Jul 2026
Source filing: View source filing
Reporting owner signature: Vivek K. Jayaraman, by Chrystal N. Jensen, attorney-in-fact

Key filing fact

Vivek K. Jayaraman filed Form 4 for CERUS CORP (CERS) on 02 Jul 2026.

Key facts

This page summarizes Vivek K. Jayaraman's Form 4 filing for CERUS CORP (CERS).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Jul 2026, 19:18.

Change

Previous filing in this sequence was filed on 02 Jun 2026.
Current net transaction value: -$124,658.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001605456 Primary reporting owner

Jayaraman Vivek K

Relationship: Chief Operating Officer
Address: C/O CERUS CORPORATION, 1220 CONCORD AVE SUITE 600, CONCORD
Signature: Vivek K. Jayaraman, by Chrystal N. Jensen, attorney-in-fact
Signature date: 02 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CERS transaction

Common Stock

Award

Transaction value
Shares: -80,000
Change %: -4.4%
Price: $0.000000^*
Shares after: 1,736,707
Date: 30 Jun 2026
Ownership: Direct

CERS transaction

Common Stock

Sale

Transaction value: $124,658
Shares: -42,359
Change %: -2.4%
Price: $2.94
Shares after: 1,694,348
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1, F2

CERS transaction

Common Stock

Award

Transaction value
Shares: +554,529
Change %: +33%
Price: $0.000000^*
Shares after: 2,248,877
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CERS transaction Derivative

Performance Rights

Award

Transaction value
Shares: +369,686
Change %
Price: $0.000000^*
Shares after: 369,686
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 369,686
Exercise price
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote F3

Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 33% of the grant vesting on July 1, 2027, and 67% of the grant vesting on July 1, 2028, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

Footnote F4

Each performance right represents a contingent right to receive one share of Cerus common stock. The performance rights vest upon Cerus common stock achieving a specified price per share.