Company_Context
Basic Materials
Pharmaceutical Preparations
Source: SEC SIC
MARKET_TICKER: REGN
REGENERON PHARMACEUTICAInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
111 directional transactions in 365D
Code P purchases and code S sales are measured from 2025.10.18 — 2026.10.17.
Net_Flow_365D
-$16.1M
Open-market buys minus salesLatest_Form_4
2026.10.14
Latest available filingActive_Insiders_365D
19
Reporting entities in windowTop_Buyer_365D
No 365D buyer
No open-market buys in 365DTop_Seller_365D
POON CHRISTINE A
$4.3MAutomated_Intelligence_Report :: REGN
Analysis of eligible SEC Form 4 activity for REGN indicates a bearish 365-day signal. The selected window contains transactions from 19 distinct reporting insiders, with aggregate nominal activity of $560.15M.
Open-market purchases minus open-market sales produce a negative net flow of $16.11M. Compensation-related awards and option exercises represent more nominal activity than directional open-market trades, so the signal should be interpreted cautiously.
The largest open-market sale in the selected window was attributed to POON CHRISTINE A (Director). Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: REGN
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Recent Insider Flow :: REGN
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 365D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Who is currently buying REGN stock?
No eligible open-market purchases were reported for REGN during the last 365 calendar days.
>Are REGN insiders selling their shares?
During the last 365 calendar days, eligible open-market sales total $16.11M. POON CHRISTINE A recorded the largest aggregate selling volume.
>What is the overall insider sentiment for REGN?
The 365-day open-market signal is BEARISH, with net flow of $16.11M across 19 reporting insiders in the selected window.
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