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Insider Cluster (7 insiders) ·Filed Mar 5, 2026

CERS

CERUS CORP
NEUTRAL
Impact 4/10
Horizondays Processed7mo ago
Insider cluster: 2 insiders, $240K total
Actionable Insight • Neutral

This cluster reflects routine post-vesting selling by executives and is not a signal of fundamental deterioration. Traders should monitor for any deviation from historical patterns in future filings, but no immediate action is warranted.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
CERS ▲ +39.22% at T+60d
NEUTRAL call +39.22% · α vs SPY +27.92% · entry $2.04 → $2.84
Entry = T+0 close
Mar 4, 2026
via day close
T+1d
-5.39%
call -5.39% · α -4.08%
$1.93
settled 8mo ago
T+5d
-16.67%
call -16.67% · α -14.43%
$1.70
settled 8mo ago
T+20d
-8.82%
call -8.82% · α -5.03%
$1.86
settled 7mo ago
T+60d
+39.22%
call +39.22% · α +27.92%
$2.84
settled 5mo ago

Price Chart

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Executive Summary

Seven C-suite executives at Cerus Corp sold shares in a concentrated 7-day window, generating $708K in total proceeds from open-market sales. The sales were accompanied by large non-cash stock grants, consistent with routine equity compensation vesting and planned sell-to-cover or diversification transactions. Total open-market selling represents 0.19% of the company's $371M market cap.

Key Financial Metrics

Direction
selling
Total Value
$708.0K
Insiders
7

Key Facts

  • C-suite executives conducted open-market sales totaling $708K over 7 days.
  • CEO Greenman sold $156.8K worth of shares, the largest individual sale.
  • All insiders also received substantial non-cash stock grants on the same dates, indicating these sales are likely part of pre-arranged compensation plans.
  • No directors or non-executive insiders involved — all sellers are current executive officers.
  • Total insider selling volume is modest at 0.19% of market cap.

Financial Impact

$708,000 in open-market sales over 7 days

insider ownershipmarket sentiment

Risk Factors

  • Perception risk if retail investors interpret insider selling as negative despite non-cash grants.
  • Potential for increased selling pressure if more executives follow similar patterns in next filing window.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (13 trades, 7d window)cluster-CERS-1773107831296
9 reports for CERS
Performance horizon
67% Hit rate @ T+20 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+5▲ +12.44%Mar 6, 2026
Filters
Rows
Reports for CERS — sortable, filterable
TypeNow
Jul 21, 2026
14w ago
GOVT-CONTRACT
BULLISH ★ 7/10
$3.02 $2.85▼ −5.63%▼ −8.53%$2.42 (−19.70%)
Jul 2, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$3.16 $2.89▼ −8.54%▼ −8.13%$2.42 (−23.26%)
Jul 2, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$3.16 $2.89▼ −8.54%▼ −8.13%$2.42 (−23.26%)
Apr 30, 2026
25w ago
8-K
BULLISH ★ 7/10
$2.72 $2.84▲ +4.41%▼ −0.87%$2.42 (−10.85%)
Apr 22, 2026
26w ago
DEFA14A
NEUTRAL ★ 3/10
$1.94 $2.70▲ +39.18%▲ +36.01%$2.42 (+25.00%)
Apr 21, 2026
26w ago
8-K
NEUTRAL ★ 3/10
$1.94 $2.70▲ +39.18%▲ +36.01%$2.42 (+25.00%)
Mar 6, 2026
33w ago
Insider Cluster
BEARISH ★ 6/10
$1.93 $1.85▲ +4.15%▲ +2.10%$2.42 (−25.65%)
Mar 6, 2026
33w ago
Insider Cluster
NEUTRAL ★ 3/10
$1.93 $1.85▼ −4.15%▼ −2.10%$2.42 (+25.65%)
Mar 5, 2026
33w ago
Insider Cluster
NEUTRAL ★ 4/10
$2.04 $1.86▼ −8.82%▼ −5.03%$2.42 (+18.87%)
Showing 9 of 9

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Report published Mar 9, 2026