44 filings · most recent first
REGN Form 4 Insider Filings
Over the trailing 90 days, REGN insiders sold a net $3.4M in discretionary open-market trades (4 sellers), across 18 Form 4 transactions by 6 insiders.
Guarini Kathryn Files Regeneron Pharmaceuticals Regn Form 4 September 02 2026
Mccourt Marion Files Regeneron Pharmaceuticals Regn Form 4 September 02 2026
Larosa Joseph J Files Regeneron Pharmaceuticals Regn Form 4 August 19 2026
Fenimore Christopher R Files Regeneron Pharmaceuticals Regn Form 4 August 18
Guarini Kathryn Files Regeneron Pharmaceuticals Regn Form 4 August 10 2026
Zoghbi Huda Y Files Regeneron Pharmaceuticals Regn Form 4 August 10 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 July 02 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 May 01 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 April 01 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 March 02 2026
Zoghbi Huda Y Files Regeneron Pharmaceuticals Regn Form 4 February 19 2026
Pitofsky Jason Files Regeneron Pharmaceuticals Regn Form 4 February 09 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 February 09 2026
Bassler Bonnie L Files Regeneron Pharmaceuticals Regn Form 4 January 07 2026
Guarini Kathryn Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Bassler Bonnie L Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Zoghbi Huda Y Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Schenkein David P Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Thompson Craig B Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Goldstein Joseph L Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Sing George L Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Coles N Anthony Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Poon Christine A Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Ryan Arthur F Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Brown Michael S Files Regeneron Pharmaceuticals Regn Form 4 January 02 2026
Yancopoulos George Files Regeneron Pharmaceuticals Regn Form 4 December 31 2025
Schleifer Leonard S Files Regeneron Pharmaceuticals Regn Form 4 December 31 2025
Sing George L Files Regeneron Pharmaceuticals Regn Form 4 December 30 2025
Pitofsky Jason Files Regeneron Pharmaceuticals Regn Form 4 December 05 2025
Pitofsky Jason Files Regeneron Pharmaceuticals Regn Form 4 November 07 2025
Murphy Andrew J Files Regeneron Pharmaceuticals Regn Form 4 December 09 2025
Murphy Andrew J Files Regeneron Pharmaceuticals Regn Form 4 December 05 2025
Murphy Andrew J Files Regeneron Pharmaceuticals Regn Form 4 October 29 2025
Fenimore Christopher R Files Regeneron Pharmaceuticals Regn Form 4 December 05
Bassler Bonnie L Files Regeneron Pharmaceuticals Regn Form 4 November 20 2025
Mccourt Marion Files Regeneron Pharmaceuticals Regn Form 4 December 09 2025
Mccourt Marion Files Regeneron Pharmaceuticals Regn Form 4 December 05 2025
Van Plew Daniel P Files Regeneron Pharmaceuticals Regn Form 4 December 09 2025
Van Plew Daniel P Files Regeneron Pharmaceuticals Regn Form 4 December 05 2025
Larosa Joseph J Files Regeneron Pharmaceuticals Regn Form 4 December 05 2025
Larosa Joseph J Files Regeneron Pharmaceuticals Regn Form 4 November 20 2025
Yancopoulos George Files Regeneron Pharmaceuticals Regn Form 4 December 09 2025
Schleifer Leonard S Files Regeneron Pharmaceuticals Regn Form 4 December 09 2025
Poon Christine A Files Regeneron Pharmaceuticals Regn Form 4 October 29 2025
Most Active Insiders (Trailing 90 Days)
Detected Clusters
- Cluster buying: 3 insiders, $561K total, through Jan 07, 2026 — live cluster view →
- Cluster selling: 3 insiders, $26.8M total, through Jan 06, 2026 — live cluster view →
- Cluster buying: 3 insiders, $4.8M total, through Jan 06, 2026 — live cluster view →