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REGENERON PHARMACEUTICALS, INC.

REGN · Pharmaceutical Preparations · 94.0M shares · -0%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $1.4B (gross $2.2B, SBC $885M)

Reference price $701.76 · est. market cap ~$65.9B — last insider sale, 2026-05-01 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

A86

Wide-moat, fully integrated biotech with top-decile returns, fortress balance sheet, and a deep validated pipeline.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $3.7B2025-09-30 · $3.8B2025-12-31 · $3.9B2026-03-31 · $3.6B

Last 4 quarters · from SEC filings.

Key metrics

Operating margin
24.9%
Net margin
31.4%
Return on equity
14.4%
Return on assets
11.1%
ROIC
8.5%
Revenue growth (QoQ)
-7.2%
Net-income growth
2.1%
Debt / equity
0.1×
Net debt / EBITDA
-4.1×
Current ratio
4.1×
EBITDA
$4.1B
Tangible book value
$30.0B
Cash & investments
$18.9B
Stock comp / revenue
6.9%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-05-01RYAN ARTHUR FSell15$702.46
2026-05-01RYAN ARTHUR FSell24$703.46
2026-05-01RYAN ARTHUR FSell15$704.28
2026-05-01RYAN ARTHUR FSell14$705.56
2026-05-01RYAN ARTHUR FSell7$706.74
2026-05-01RYAN ARTHUR FSell4$707.40
2026-05-01RYAN ARTHUR FSell5$701.76
2026-05-01RYAN ARTHUR FSell6$709.45
2026-05-01RYAN ARTHUR FSell2$710.87
2026-05-01RYAN ARTHUR FSell5$711.49
2026-05-01RYAN ARTHUR FSell1$712.09
2026-05-01RYAN ARTHUR FSell2$714.13
2026-04-01RYAN ARTHUR FSell1$771.32
2026-04-01RYAN ARTHUR FSell3$772.76
2026-04-01RYAN ARTHUR FSell8$773.59
2026-04-01RYAN ARTHUR FSell8$774.58
2026-04-01RYAN ARTHUR FSell14$775.58
2026-04-01RYAN ARTHUR FSell13$776.62
2026-04-01RYAN ARTHUR FSell9$777.42
2026-04-01RYAN ARTHUR FSell4$778.24
2026-04-01RYAN ARTHUR FSell40$779.71
2026-03-02RYAN ARTHUR FSell7$777.46
2026-03-02RYAN ARTHUR FSell2$778.30
2026-03-02RYAN ARTHUR FSell5$779.69
2026-03-02RYAN ARTHUR FSell3$780.69
2026-03-02RYAN ARTHUR FSell2$781.21
2026-03-02RYAN ARTHUR FSell2$782.62
2026-03-02RYAN ARTHUR FSell10$783.62
2026-03-02RYAN ARTHUR FSell9$784.48
2026-03-02RYAN ARTHUR FSell11$785.48
2026-03-02RYAN ARTHUR FSell7$786.61
2026-03-02RYAN ARTHUR FSell2$787.34
2026-03-02RYAN ARTHUR FSell20$788.96
2026-03-02RYAN ARTHUR FSell20$789.28
2026-02-19Zoghbi Huda YOption exercise1.6K$376.69
2026-02-19Zoghbi Huda YSell49$774.68
2026-02-19Zoghbi Huda YSell50$775.50
2026-02-19Zoghbi Huda YSell53$778.47
2026-02-19Zoghbi Huda YSell208$779.55
2026-02-19Zoghbi Huda YSell331$780.45
2026-02-19Zoghbi Huda YSell209$781.28
2026-02-19Zoghbi Huda YSell298$782.10
2026-02-19Zoghbi Huda YSell220$783.29
2026-02-19Zoghbi Huda YSell160$784.45
2026-02-19Zoghbi Huda YSell56$785.61
2026-02-19Zoghbi Huda YSell4$790.00
2026-02-09Pitofsky JasonSell75$780.06
2026-02-09Pitofsky JasonOption exercise1.0K$492.00
2026-02-09Pitofsky JasonSell20$775.95
2026-02-09Pitofsky JasonSell521$776.43
2026-02-09Pitofsky JasonSell391$777.51
2026-02-09Pitofsky JasonSell563$778.35
2026-02-09Pitofsky JasonSell205$779.56
2026-02-09Pitofsky JasonSell26$781.37
2026-02-09Pitofsky JasonSell37$782.67
2026-02-09Pitofsky JasonSell144$783.23
2026-02-09Pitofsky JasonSell1$784.66
2026-02-09Pitofsky JasonSell53$785.72
2026-02-09RYAN ARTHUR FSell1$775.63
2026-02-09RYAN ARTHUR FSell10$776.59
2026-02-09RYAN ARTHUR FSell57$777.56
2026-02-09RYAN ARTHUR FSell12$778.53
2026-02-09RYAN ARTHUR FSell5$779.41
2026-02-09RYAN ARTHUR FSell1$780.09
2026-02-09RYAN ARTHUR FSell5$781.48
2026-02-09RYAN ARTHUR FSell1$782.53
2026-02-09RYAN ARTHUR FSell3$783.34
2026-02-09RYAN ARTHUR FSell1$784.59
2026-02-09RYAN ARTHUR FSell1$785.71
2026-02-09RYAN ARTHUR FSell2$786.29
2026-02-09RYAN ARTHUR FSell1$787.82
2026-01-07Bassler Bonnie LOption exercise1.5K$374.12
2026-01-07Bassler Bonnie LSell1.5K$800.00
2026-01-02Guarini KathrynGrant155
2026-01-02Bassler Bonnie LGrant155
2026-01-02Zoghbi Huda YGrant155
2026-01-02Schenkein David PGrant155
2026-01-02Thompson Craig B.Grant155
2026-01-02GOLDSTEIN JOSEPH LGrant155
2026-01-02SING GEORGE LGrant155
2026-01-02COLES N ANTHONYGrant155
2026-01-02POON CHRISTINE AGrant155
2026-01-02RYAN ARTHUR FGrant155
2026-01-02BROWN MICHAEL SGrant155
2025-12-31YANCOPOULOS GEORGEOption exercise29K
2025-12-31YANCOPOULOS GEORGETax withheld29K$772.09
2025-12-31SCHLEIFER LEONARD SOption exercise29K
2025-12-31SCHLEIFER LEONARD STax withheld29K$772.09
2025-12-30SING GEORGE LOption exercise9.2K$520.01
2025-12-30SING GEORGE LTax withheld6.2K$774.03
2025-12-09MURPHY ANDREW JTax withheld4.2K$701.51
2025-12-09McCourt MarionTax withheld1.0K$701.51
2025-12-09Van Plew Daniel PTax withheld2.6K$701.51
2025-12-09YANCOPOULOS GEORGEOption exercise147K$555.67
2025-12-09YANCOPOULOS GEORGETax withheld132K$701.51
2025-12-09SCHLEIFER LEONARD SOption exercise173K$555.67
2025-12-09SCHLEIFER LEONARD STax withheld155K$701.51
2025-12-08McCourt MarionTax withheld1.3K$712.94
2025-12-08Pitofsky JasonTax withheld989$712.94
2025-12-08MURPHY ANDREW JTax withheld1.7K$712.94
2025-12-08Fenimore Christopher R.Tax withheld992$712.94
2025-12-08Van Plew Daniel PTax withheld1.9K$712.94
2025-12-08LAROSA JOSEPH JTax withheld1.4K$712.94
2025-12-05Van Plew Daniel PGrant3.7K
2025-12-05LAROSA JOSEPH JGrant2.5K
2025-12-05Pitofsky JasonGrant2.1K
2025-12-05MURPHY ANDREW JGrant3.7K
2025-12-05McCourt MarionGrant2.5K
2025-12-05Fenimore Christopher R.Grant3.0K
2025-11-20Bassler Bonnie LSell760$750.00
2025-11-20Bassler Bonnie LOption exercise760$371.40
2025-11-20LAROSA JOSEPH JOption exercise14K$555.67
2025-11-20LAROSA JOSEPH JTax withheld13K$736.77
2025-11-07Pitofsky JasonSell431$651.43
2025-10-30POON CHRISTINE AOption exercise2.7K$520.01
2025-10-30MURPHY ANDREW JGift1.5K
2025-10-29POON CHRISTINE ASell1.9K$654.42
2025-10-29MURPHY ANDREW JOption exercise35K$555.67
2025-10-29MURPHY ANDREW JTax withheld32K$648.82
2025-10-29POON CHRISTINE AOption exercise6.5K$520.01
2025-10-29POON CHRISTINE ASell650$652.68
2025-10-29POON CHRISTINE ASell2.7K$653.50
2025-10-29POON CHRISTINE ASell100$655.10
2025-10-29POON CHRISTINE ASell712$656.50
2025-10-29POON CHRISTINE ASell388$657.29
2025-01-02Schenkein David PGrant166
2025-01-02Thompson Craig B.Grant166
2025-01-02COLES N ANTHONYGrant166
2025-01-02Zoghbi Huda YGrant166
2025-01-02RYAN ARTHUR FGrant166
2025-01-02POON CHRISTINE AGrant166
2025-01-02Guarini KathrynGrant166
2025-01-02GOLDSTEIN JOSEPH LGrant166
2025-01-02BROWN MICHAEL SGrant166
2025-01-02SING GEORGE LGrant166
2025-01-02Bassler Bonnie LGrant166
2024-12-31SING GEORGE LTax withheld1.9K$708.19
2024-12-31SING GEORGE LOption exercise3.3K$413.33

All non-derivative Form 4 activity (SEC), newest first.

Clinical trials

TrialTitlePhaseStatusPrimary completion
NCT03682770 ↗Study in Pediatric Subjects With Peanut Allergy to Evaluate Efficacy and Safety of Dupilumab as Adjunct to AR101 (Peanut Oral Immunotherapy)
Peanut Allergy
PHASE2Completed2020-10-16

Source: ClinicalTrials.gov (U.S. NIH) · active studies first.

Supply chain

Customers (2)

Named in the 10-K; linked when we track them.

Notable events (8-K)

DateItems
2026-06-17Shareholder votefiling ↗
2026-04-29ResultsExhibitsfiling ↗
2026-04-08Resultsfiling ↗
2026-01-30ResultsExhibitsfiling ↗
2026-01-12ResultsReg FDExhibitsfiling ↗
2025-10-28ResultsExhibitsfiling ↗
2025-10-06Resultsfiling ↗
2025-08-01ResultsExhibitsfiling ↗

Recent filings

FormFiledPeriodAccession
8-K2026-06-172026-06-120001104659-26-075127 ↗
8-K2026-04-292026-04-290000872589-26-000014 ↗
10-Q2026-04-292026-03-310000872589-26-000016 ↗
8-K2026-04-082026-04-080001104659-26-040661 ↗
10-K2026-02-042025-12-310000872589-26-000008 ↗
8-K2026-01-302026-01-300000872589-26-000004 ↗
8-K2026-01-122026-01-120001104659-26-002691 ↗
10-Q2025-10-282025-09-300000872589-25-000028 ↗
8-K2025-10-282025-10-280000872589-25-000026 ↗
8-K2025-10-062025-10-060001104659-25-096921 ↗
10-Q2025-08-012025-06-300000872589-25-000019 ↗
8-K2025-08-012025-08-010000872589-25-000017 ↗