Reporting owner · CIK 0001141722

Foster James C

Visual SEC Form 4 history across 1 companies, 8 transactions and 3 filings.

DIRCHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Open-market mix
Latest filingAug 27, 2026, 08:21 PM
Filings3Form 4 records
Buying$1M1 purchases
Selling$10.1M1 sales
Net value−$9.1MBuys minus sells
Companies12 securities
Most recentAug 25, 2026exercise

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for some of their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-5Jan 251Feb 251Aug 26

Net value flow

Buys minus sells

Jan 25
$0
Feb 25
$1M
Aug 26
−$10.1M

Transaction texture

Ownership and ticket size

Average P/S size$5.5M
Median P/S size$5.5M
Direct8
Indirect0
Aug 25, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Cluster Buypattern1Cluster Sellingpattern1Derivative Transactionfiling-context2Director Buyrole1Direct Ownershipfiling-context8Large Buysize1Large Holdings Increaseholdings1Large Holdings Reductionholdings3Large Salesize110b5-1 Detectedfiling-context5

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. on Aug 25, 2026 valued at $10,068,300.

Review SEC filing
Latest buy

buy at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. on Feb 20, 2025 valued at $1,002,436.

Review SEC filing
Latest sale

sale at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. on Aug 25, 2026 valued at $10,068,300.

Review SEC filing

Associated companies

Visual map of known reporting history

CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC.8 transactions · latest Aug 27, 2026, 08:21 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
CRLFOSTER JAMES C
DIR
exercise10b5-112.4k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
—08/2708/25
CRLFOSTER JAMES C
DIR
exercise10b5-121.1k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
—08/2708/25
CRLFOSTER JAMES C
DIR
sale10b5-133.5k-$1.00BS
Cluster Selling Direct Ownership Large Holdings Reduction+2
—08/2708/25
CRLFOSTER JAMES C
DIR
exercise10b5-112.4k$259MM
Direct Ownership 10b5-1 Detected
—08/2708/25
CRLFOSTER JAMES C
DIR
exercise10b5-121.1k$410MM
Direct Ownership Large Holdings Increase 10b5-1 Detected
—08/2708/25
CRLFOSTER JAMES C
CHAIRPRES
buy6.07k$100MP
Cluster Buy Director Buy Direct Ownership+1
—02/21/202502/20/2025
CRLFOSTER JAMES C
CHAIRPRES
withholding6.82k-$113MF
Direct Ownership
—02/03/202501/31/2025
CRLFOSTER JAMES C
CHAIRPRES
grant19.6k$0A
Direct Ownership
—02/03/202501/31/2025

Foster James C Insider Activity FAQ

SEC Form 4 context

Who is Foster James C?

Foster James C is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001141722.

Which companies has Foster James C reported transactions for?

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

When was Foster James C's latest insider buy?

buy at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. on Feb 20, 2025 valued at $1,002,436.

When was Foster James C's latest insider sale?

sale at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. on Aug 25, 2026 valued at $10,068,300.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.