Insider Cluster (3 insiders) ·Filed Aug 20, 2026

CRL

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NEUTRAL
Impact 3/10
Horizonimmediate Processed1mo ago
Insider cluster: 3 insiders, $3.0M total
Actionable Insight • Neutral

Insider sales at this scale are routine and non-informative. Monitor for any upcoming 8-K or earnings release that could explain the timing, but the cluster alone does not warrant a trading response. The CEO's sale is notable by title but immaterial by dollar value relative to market cap.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+20d
CRL ▼ -4.59% at T+20d
NEUTRAL call ✗ call lost -4.59% · α vs SPY -4.59% · entry $291.45 → $278.06
Next anchor: T+60d in 6w
Latest observation: T+27 -23.78% FF3 residual α
Entry anchored
Aug 19, 04:38 PM ET
via 1-min bar
T+1d
+1.28%
call +1.28% · α +0.87%
$295.19
settled 6w ago
T+5d
+1.70%
call +1.70% · α +0.59%
$296.41
settled 5w ago
T+20d
-4.59%
call -4.59% · α -4.59%
$278.06
settled 15d ago
T+60d
—
call — · α —
—
in 6w

Price Chart

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Executive Summary

Three CRL insiders, including CEO Birgit Girshick, sold a total of ~$3.0M in shares over a 7-day window. The CEO's $1.82M sale is the largest, followed by the CEVP's $1.04M and a director's $163K. These are open-market sales, not tax-related, and represent ~0.02% of the $13.8B market cap — well below the 0.1% materiality threshold. The cluster is a routine, low-conviction signal given the small proportional size and the weak predictive power of insider sales generally.

Key Financial Metrics

Direction
selling
Total Value
$3.0M
Insiders
3

Key Facts

  • CEO Birgit Girshick sold 6,500 shares for $1.82M on 2026-08-11
  • CEVP Shannon Parisotto sold 3,700 shares for $1.04M on 2026-08-11
  • Director Nancy Andrews sold 573 shares for $163K on 2026-08-18
  • Total cluster value: ~$3.02M, representing ~0.02% of CRL's $13.8B market cap
  • All sales are open-market; no 10b5-1 plan noted in the filing

Financial Impact

~$3.02M in total insider sales, or ~0.02% of market cap — trivial proportional size

insider ownership

Risk Factors

  • CEO selling could signal personal diversification or a bearish view, but the small size relative to total holdings limits informational content
  • No 10b5-1 plan disclosed — sales could be opportunistic, but the low proportional value reduces concern

Market Snapshot

Exchange
NYSE
Sector
Services-Commercial Physical & Biological Research
Analyst Consensus
68% bullish (22 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-CRL-1787292152658
8 reports for CRL
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for CRL — sortable, filterable
TypeNow
Aug 27, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$296.41 $294.44▼ −0.66%▼ −0.16%$290.19 (−2.10%)
Aug 20, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$291.45 $278.06▼ −4.59%▼ −4.59%$290.19 (−0.43%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$281.27 $278.26▼ −1.07%▲ +0.68%$290.19 (+3.17%)
Aug 11, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$282.00 $278.35▼ −1.29%▼ −0.24%$290.19 (+2.90%)
Aug 10, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$282.00 $278.35▼ −1.29%▼ −0.24%$290.19 (+2.90%)
Aug 5, 2026
8w ago
8-K
BULLISH ★ 7/10
$260.72 $291.76▲ +11.91%▲ +12.51%$290.19 (+11.30%)
May 7, 2026
21w ago
8-K
BEARISH ★ 6/10
$180.78 $179.87▲ +0.51%▲ +3.64%$290.19 (−60.52%)
Feb 25, 2026
31w ago
8-K
MIXED ★ 7/10
$167.50 $164.89▼ −1.56%▲ +3.68%$290.19 (+73.24%)
Showing 8 of 8

US Market Status

Market Closed — Opens Mon (63h 48m)

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Report published Aug 21, 2026