Cerus Corp. (CERS) insider buying and SEC filings
Cerus Corp. · CIK 1020214
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Surgical & Medical Instruments & Apparatus
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$53K
Planned sales (10b5-1)
$3.2M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 17, 2026 | Planned (10b5-1) | Chrystal Jensen (Chief Legal Officer) sold 30,000 shares at about $2.98 ($89K), marked as a 10b5-1 plan trade. Holdings down 3% to 936,657 shares. | SEC filing Filed Aug 17, 2026 |
| Jul 16, 2026 | Planned (10b5-1) | Vivek K Jayaraman (CEO) sold 16,666 shares at $3.16 ($53K), marked as a 10b5-1 plan trade. Holdings down 1% to 2,232,211 shares. | SEC filing Filed Jul 20, 2026 |
| Jun 30, 2026 | Planned (10b5-1) | Vivek K Jayaraman (President / COO) sold 42,359 shares at about $2.94 ($125K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,694,348 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 30, 2026 | Planned (10b5-1) | Chrystal Jensen (Chief Legal Officer) sold 24,329 shares at about $2.94 ($72K), marked as a 10b5-1 plan trade. Holdings down 2% to 966,657 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 30, 2026 | Planned (10b5-1) | Kevin Dennis Green (CFO) sold 33,676 shares at about $2.94 ($99K), marked as a 10b5-1 plan trade. Holdings down 3% to 1,062,188 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 30, 2026 | Planned (10b5-1) | William Mariner Greenman (CEO and Director) sold 101,919 shares at about $2.94 ($300K), marked as a 10b5-1 plan trade. Holdings down 2% to 5,053,036 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 9, 2026 | Sale | Eric Bjerkholt (Director) sold 20,454 shares at $2.60 ($53K). Holdings down 7% to 261,679 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 11, 2026 |
| May 29, 2026 | Planned (10b5-1) | Vivek K Jayaraman (President / COO) sold 16,667 shares at $3.00 ($50K), marked as a 10b5-1 plan trade. Holdings down 1% to 1,656,707 shares. | SEC filing Filed Jun 2, 2026 |
| May 1, 2026 | Planned (10b5-1) | Vivek K Jayaraman (President / COO) sold 16,667 shares at $3.00 ($50K), marked as a 10b5-1 plan trade. Holdings down 1% to 1,673,374 shares. | SEC filing Filed May 5, 2026 |
| Mar 12, 2026 | Planned (10b5-1) | Vivek K Jayaraman (President / COO) sold 165,200 shares at about $1.66 ($274K), marked as a 10b5-1 plan trade. Holdings down 9% to 1,747,674 shares. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Planned (10b5-1) | Kevin Dennis Green (CFO) sold 127,544 shares at about $1.66 ($212K), marked as a 10b5-1 plan trade. Holdings down 11% to 1,040,551 shares. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Planned (10b5-1) | William Mariner Greenman (CEO and Director) sold 447,757 shares at about $1.66 ($743K), marked as a 10b5-1 plan trade. Holdings down 8% to 4,998,493 shares. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Planned (10b5-1) | Richard J Benjamin (Chief Medical Officer) sold 101,740 shares at about $1.66 ($169K), marked as a 10b5-1 plan trade. Holdings down 12% to 777,361 shares. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2025 | Planned (10b5-1) | Chrystal Jensen (Chief Legal Officer) sold 113,008 shares at about $1.66 ($188K), marked as a 10b5-1 plan trade. Holdings down 11% to 946,131 shares. | SEC filing Filed Mar 16, 2026 |
| Mar 5–9, 2026 | Planned (10b5-1) Amended filing | Richard J Benjamin (Chief Medical Officer) sold 125,894 shares between Mar 5 and Mar 9 at about $1.99 ($251K), marked as a 10b5-1 plan trade. Holdings down 13% to 879,101 shares. This amends a filing from Mar 9. | SEC filing Filed Mar 10, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | Vivek K Jayaraman (President / COO) sold 34,094 shares at about $2.01 ($69K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,912,874 shares. | SEC filing Filed Mar 9, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | Chrystal Jensen (Chief Legal Officer) sold 30,845 shares at about $2.01 ($62K), marked as a 10b5-1 plan trade. Holdings down 3% to 1,059,139 shares. | SEC filing Filed Mar 9, 2026 |
| Mar 5–6, 2026 | Planned (10b5-1) | Kevin Dennis Green (CFO) sold 83,021 shares between Mar 5 and Mar 6 at about $2.04 ($170K), marked as a 10b5-1 plan trade. Holdings down 7% to 1,168,095 shares. | SEC filing Filed Mar 9, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | William Mariner Greenman (CEO and Director) sold 78,187 shares at about $2.01 ($157K), marked as a 10b5-1 plan trade. Holdings down 1% to 5,446,250 shares. | SEC filing Filed Mar 9, 2026 |
| Nov 24, 2025 | Planned (10b5-1) | Chrystal Jensen (Chief Legal Officer) sold 55,000 shares at $1.70 ($94K), marked as a 10b5-1 plan trade. Holdings down 7% to 728,294 shares. | SEC filing Filed Nov 26, 2025 |
22 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 4:07 PM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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