Reporting owner · CIK 0001663758

McCourt Marion

Visual SEC Form 4 history across 1 companies, 3 transactions and 2 filings.

ECEVP CommercialREGENERON PHARMACEUTICALS, INC.
Open-market mix
Latest filingSep 03, 2026, 08:50 PM
Filings2Form 4 records
Buying$00 purchases
Selling$2.2M3 sales
Net value−$2.2MBuys minus sells
Companies11 securities
Most recentSep 03, 2026sale

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 this insider's 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
530-3-51Jan 242Sep 26

Net value flow

Buys minus sells

Jan 24
−$239.5K
Sep 26
−$2M

Transaction texture

Ownership and ticket size

Average P/S size$747.3K
Median P/S size$969.7K
Direct3
Indirect0
Sep 03, 2026sale

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern1Direct Ownershipfiling-context110b5-1 Detectedfiling-context1

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at REGENERON PHARMACEUTICALS, INC. on Sep 03, 2026 valued at $969,708.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at REGENERON PHARMACEUTICALS, INC. on Sep 03, 2026 valued at $969,708.

Review SEC filing

Associated companies

Visual map of known reporting history

REGNREGENERON PHARMACEUTICALS, INC.3 transactions · latest Sep 03, 2026, 08:50 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
REGNMcCourt Marion
EC
sale10b5-11.13k-$96.9MS
Cluster Selling Direct Ownership Repeat Seller+1
0.0%09/0309/03
REGNMcCourt Marion
EC
sale10b5-11.21k-$103MS
Cluster Selling Direct Ownership Large Sale+1
0.0%09/0309/02
REGNMcCourt Marion
EC
sale10b5-1274-$23.9MS
Cluster Selling Direct Ownership 10b5-1 Detected
—01/04/202401/02/2024

McCourt Marion Insider Activity FAQ

SEC Form 4 context

Who is McCourt Marion?

McCourt Marion is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001663758.

Which companies has McCourt Marion reported transactions for?

REGENERON PHARMACEUTICALS, INC.

When was McCourt Marion's latest insider buy?

No open-market insider purchase is available for this period.

When was McCourt Marion's latest insider sale?

sale at REGENERON PHARMACEUTICALS, INC. on Sep 03, 2026 valued at $969,708.

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.