Every Form 4 that Cerus Corp (CERS) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow CERS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CERS filings page.
CERUS CORP executive Chrystal Jensen, Chief Legal Officer, reported a sale of 30,000 shares of common stock on 2026-08-17. The transaction was a planned trade pursuant to a Rule 10b5-1 plan and executed at a weighted average price of $2.9843 per share, with individual sale prices ranging from $2.92 to $3.04. After this sale, Jensen directly holds 936,657 shares of Cerus common stock.
Cerus Corp reported that Chief Executive Officer Vivek K. Jayaraman completed a sale of 16666 shares of Common Stock on July 16, 2026 at $3.16 per share. The sale was executed pursuant to a 10b5-1 trading plan, and he now directly holds 2232211 shares.
Cerus Corp Chief Financial Officer Kevin Dennis Green reported two stock transactions involving the company’s common shares. He sold 33,676 shares at a weighted average price of about $2.94 per share under a pre-set Rule 10b5-1 instruction to cover statutory tax withholding and brokerage fees tied to restricted stock unit vesting, which the footnote explains was not a discretionary sale.
On the same date, he also acquired 63,600 shares through a grant or award at no cost. Following these transactions, he directly holds 1,062,188 shares of Cerus common stock.
Cerus Corp Chief Operating Officer Vivek K. Jayaraman reported a mix of equity grants and a tax-related share sale. He received 554,529 shares of common stock as an equity award and 369,686 performance rights, each tied to one share of common stock.
The common stock award vests in two annual installments, with 33% vesting on July 1, 2027 and 67% on July 1, 2028, contingent on continued service. The performance rights vest only if Cerus stock reaches a specified price per share.
On June 30, 2026, he sold 42,359 shares of common stock at a weighted average price of $2.9429 per share under a pre-set Rule 10b5-1 instruction to cover statutory tax withholding and brokerage fees, described as non-discretionary. After these transactions, he directly holds 2,248,877 common shares and 369,686 performance rights.
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.
CERUS CORP President and CEO William Mariner Greenman reported a mix of tax-related sales and equity compensation grants in company stock. He sold 101,919 shares of common stock at a weighted average price of $2.94 per share under a pre-arranged Rule 10b5-1 instruction to cover statutory tax withholding and brokerage fees tied to vesting restricted stock units, which the disclosure notes was not a discretionary sale. He also received a grant or award of 192,500 shares of common stock at no cost. Following these transactions, he directly holds 5,053,036 shares of CERUS common stock.
Cerus Corp director Eric Bjerkholt sold shares in an open-market transaction. On this trade, he sold 20,454 shares of Cerus common stock at a price of $2.60 per share. After the sale, he directly owned 261,679 shares of the company’s common stock.
Lucena Ann reported acquisition or exercise transactions in this Form 4 filing.
CERUS CORP director Ann Lucena received a grant of 60,000 restricted stock units (RSUs) of common stock. Each RSU represents the right to receive one share. The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, subject to her continuous service. Following this award, she holds 232,284 shares directly.
Cerus Corp director Eric Bjerkholt received an equity grant rather than buying shares on the market. He was awarded 60,000 shares of common stock in the form of restricted stock units (RSUs) under Cerus’ 2024 Equity Incentive Plan at no cash cost.
Each RSU converts into one share of common stock if it vests. The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, as long as he continues to serve the company. After this grant, he directly holds 282,133 shares.
NACHTSHEIM JAMI K reported acquisition or exercise transactions in this Form 4 filing.
CERUS CORP director Jami K. Nachtsheim received an equity grant of 60,000 restricted stock units (RSUs). These RSUs were awarded at no cash cost per unit and increase her direct holdings to 268,362 shares of common stock.
Each RSU represents a contingent right to receive one share of Cerus common stock. The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, as long as she continues serving the company through that vesting date.
CERUS CORP Chief Operating Officer Vivek K. Jayaraman sold shares in an open-market transaction. On May 29, 2026, he sold 16,667 shares of Cerus common stock at $3.00 per share in a sale reported as an open-market transaction.
The filing states that this transaction was executed pursuant to a Rule 10b5-1 trading plan, meaning it was pre-arranged rather than timed discretionarily. Following the sale, Jayaraman directly owned 1,656,707 shares of Cerus common stock.
Witney Frank reported acquisition or exercise transactions in this Form 4 filing.
CERUS CORP director Frank Witney reported an equity grant of 60,000 shares of Common Stock in the form of restricted stock units (RSUs). The RSUs were granted under Cerus’s 2024 Equity Incentive Plan, with each RSU representing a contingent right to receive one share of common stock.
The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual meeting of stockholders, as long as Witney remains in continuous service with Cerus through that vesting date. Following this grant, he directly holds 340,059 shares of common stock.
Cerus Corp director Gregory Dean A. reported receiving 60,000 shares of common stock in the form of restricted stock units (RSUs) granted under the company’s 2024 Equity Incentive Plan. Each RSU converts into one share and vests on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, as long as he continues serving the company. After this award, he directly holds 146,725 shares of Cerus common stock.
Shan Hua reported acquisition or exercise transactions in this Form 4 filing.
Cerus Corp director Shan Hua received a grant of 60,000 restricted stock units (RSUs) of common stock under the company’s 2024 Equity Incentive Plan. Each RSU represents one share of common stock. The RSUs vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholder meeting, assuming continuous service. Following this award, Shan Hua holds 192,386 shares of common stock.
CERUS CORP Chief Operating Officer Vivek K. Jayaraman reported an open-market sale of company stock. On May 1, 2026, he sold 16,667 shares of Cerus common stock at $3.00 per share. After this transaction, he directly holds 1,673,374 common shares. The filing notes the sale was executed pursuant to a Rule 10b5-1 trading plan, indicating it was carried out under a pre-arranged instruction rather than as a discretionary trade.
Green Kevin Dennis reported acquisition or exercise transactions in this Form 4 filing.
CERUS CORP Chief Financial Officer Kevin Dennis Green received an equity grant of 200,000 shares of common stock. The award was made at a stated price of $0.00 per share as a stock-based compensation grant, not a market purchase or sale.
The grant was issued in the form of restricted stock units, each representing a contingent right to one share of Cerus common stock. These RSUs vest in full one year from the grant date, provided he continues serving the company through that vesting date. Following this grant, he directly holds 1,240,551 common shares.
Jensen Chrystal reported acquisition or exercise transactions in this Form 4 filing.
CERUS CORP Chief Legal Officer Chrystal Jensen received a stock-based compensation award. On April 1, 2026, Jensen was granted 200,000 shares of Common Stock in the form of restricted stock units at a stated price of $0.00 per share.
The RSUs represent a right to receive one share of common stock for each unit and vest in full one year from the grant date, as long as Jensen remains in continuous service. After this grant, Jensen directly holds 1,146,131 shares of CERUS CORP common stock.
Cerus Corp Chief Legal Officer Chrystal Jensen reported an open-market sale of 113,008 shares of Common Stock on March 12, 2025. The weighted average sales price was $1.6572 per share, with individual trades ranging from $1.62 to $1.73 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 the vesting of restricted stock units, and are described as not a discretionary sale. Following the transactions, Jensen directly holds 946,131 shares of Cerus common stock.
Cerus Corp Chief Operating Officer Vivek K. Jayaraman reported an open‑market sale of 165,200 shares of common stock on March 12, 2026 at a weighted average price of $1.6572 per share. According to the filing, the sale was executed under an instruction intended to comply with Rule 10b5‑1 and was made to cover statutory tax withholding obligations and related brokerage fees arising from the vesting of restricted stock units, rather than as a discretionary sale. After this transaction, he directly holds 1,747,674 shares of Cerus common stock.
CERUS CORP President and CEO William Mariner Greenman reported an open-market sale of 447,757 shares of common stock on March 12, 2026 at a weighted average price of $1.6572 per share. The footnotes state the instruction was intended to comply with Rule 10b5-1 and was elected on the grant date to cover statutory tax withholding obligations and brokerage fees tied to the vesting of restricted stock units, so it was not a discretionary sale. After this transaction, he directly owned 4,998,493 shares of Cerus common stock.
Cerus Corporation’s Chief Financial Officer Kevin Dennis Green reported an open-market sale of 127,544 shares of Common Stock at a weighted average price of $1.6572 per share. According to the disclosure, these shares were sold under an instruction intended to comply with Rule 10b5-1.
The filing explains the sale was elected on the date of grant to cover statutory tax withholding obligations and related brokerage fees tied to the vesting of certain restricted stock units, and is not a discretionary sale by the CFO. After this transaction, he directly holds 1,040,551 shares of Cerus common stock.
CERUS CORP Chief Medical Officer Benjamin Richard J reported an open-market sale of 101,740 shares of Common Stock at a weighted average price of $1.6572 per share. After this transaction, he directly holds 777,361 shares.
According to the footnotes, these shares were sold under an instruction intended to comply with Rule 10b5-1 that was elected on the grant date to cover statutory tax withholding obligations and related brokerage fees tied to the vesting of restricted stock units, and are described as not a discretionary sale. The sales occurred in multiple trades at prices ranging from $1.62 to $1.73 per share.
CERUS CORP’s Chief Medical Officer Benjamin Richard J reported a mix of stock awards and planned sales. On March 5, 2026, he acquired 55,220 shares of common stock as a grant or award at no cost, increasing his direct holdings.
He then reported selling a total of 125,894 common shares in open-market transactions on March 5, 6, and 9, 2026 at weighted average prices of about $2.06, $2.01, and $1.88 per share. Footnotes state these sales were made under a Rule 10b5-1 trading plan and instructions elected on the grant date to cover statutory tax withholding and related fees, and are described as non-discretionary. After these transactions, he directly owns 879,101 Cerus common shares.
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.
Cerus Corp Chief Medical Officer Benjamin Richard reported multiple stock transactions in early March 2026. He received a grant or award of 55,220 shares of common stock on March 5, 2026, at no stated purchase price. Around the same time, he completed open-market sales totaling 125,894 shares at weighted average prices between about $1.88 and $2.06 per share, including block and multiple-price trades. A portion of the shares sold was under a pre-set Rule 10b5-1 instruction to cover tax withholding and related fees on vesting restricted stock units, described as non-discretionary. After these transactions, he directly owned 879,101 common shares.
Cerus Corp Chief Legal Officer Chrystal Jensen reported two stock transactions. On March 5, 2026, Jensen acquired 55,220 shares of common stock as a grant or award at $0.00 per share, bringing direct holdings to 1,083,514 shares. On March 6, 2026, Jensen sold 30,845 shares of common stock at a weighted average price of $2.0055 per share, leaving 1,059,139 shares directly owned. The sale was executed under a Rule 10b5-1 instruction to cover statutory tax withholding and brokerage fees related to vesting restricted stock units and was not a discretionary sale.
Cerus Corp Chief Operating Officer Vivek K. Jayaraman reported both a stock grant and a tax-related sale of common shares. On March 5, 2026, he acquired 80,320 shares of common stock as a grant or award, increasing his direct holdings to 1,946,968 shares.
On March 6, 2026, he executed an open-market Rule 10b5-1 sale of 34,094 shares at a weighted average price of $2.0055 per share to cover statutory tax withholding obligations and related brokerage fees, a non-discretionary transaction that left him with 1,912,874 directly held shares.
CERUS CORP President and CEO William Mariner Greenman reported offsetting stock transactions. On March 5, 2026, he acquired 193,270 shares of common stock as a grant at $0.0000 per share. On March 6, 2026, he sold 78,187 shares at a weighted average price of $2.0055 per share pursuant to a Rule 10b5-1 instruction to cover statutory tax withholding and related brokerage fees. Following these transactions, he held 5,446,250 shares directly.
Cerus Corp’s chief medical officer, Benjamin Richard J, reported an equity grant on Form 4. On March 2, 2026, he acquired 264,000 shares of common stock in the form of restricted stock units at a stated price of $0.00 per share. Following this award, he directly holds 949,775 common shares. Each RSU converts into one share and vests in two installments: 34% on March 12, 2027 and 66% on March 12, 2028, subject to his continuous service with Cerus through each vesting date.
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.
Cerus Corp reported that President and CEO William Mariner Greenman received a grant of 1,200,000 restricted stock units (RSUs), each representing one share of common stock. The RSUs vest with 34% on March 12, 2027 and 66% on March 12, 2028, contingent on his continued service. Following this equity award and recent employee stock purchase plan acquisitions, his direct holdings total 5,331,167 shares of Cerus common stock.
Jayaraman Vivek K reported acquisition or exercise transactions in this Form 4 filing.
Cerus Corp Chief Operating Officer Vivek K. Jayaraman reported an award of 420,000 restricted stock units representing common shares on March 2, 2026, at a stated price of $0.00 per share. These RSUs vest in two annual installments, with 34% vesting on March 12, 2027, and 66% vesting on March 12, 2028, contingent on his continuous service with the company through each vesting date.
After this grant, his directly held common stock, including shares from the company’s employee stock purchase plan, totals 1,866,648 shares. This total includes 5,318 shares purchased on August 29, 2025, and 10,004 shares purchased on February 27, 2026, under the employee stock purchase plan.
Jensen Chrystal reported acquisition or exercise transactions in this Form 4 filing.
Cerus Corp reported that Chief Legal Officer Chrystal Jensen received a grant of 300,000 shares of common stock in the form of restricted stock units. These RSUs vest in two steps: 34% on March 12, 2027 and 66% on March 12, 2028, contingent on continued service. After this award, Jensen directly holds 1,028,294 shares.
Cerus Corporation (CERS) reported an insider stock transaction by its Chief Legal Officer. On 11/24/2025, the officer sold 55,000 shares of Cerus common stock in an open market transaction coded as "S" at a price of $1.70 per share. Following this sale, the officer beneficially owns 728,294 shares of Cerus common stock, held in direct ownership.