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person · Reporting owner

Fenimore Christopher R.

Disclosed activity across 1 company

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21402
SEC CIK
0001697422

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
REGENERON PHARMACEUTICALS, INC.REGN · Entity 2010EVP Finance CFOAugust 18, 2026August 20, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

REGENERON PHARMACEUTICALS, INC.

Report date August 18, 2026 · Filed August 20, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect19,984 Ending reported balance After 2026-08-18 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-08-18 · Exercise / conversion · Acquired 6,283 · Balance 24,583

Row 2 · 2026-08-18 · Tax withholding · Disposed 4,599 · Balance 19,984

Non-Qualified Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $381.92 · Expires 2026-12-16Direct6,000 Reported balance After 2026-08-18 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-08-18 · Exercise / conversion · Disposed 6,283 · Balance 6,000

F2: The stock option award vested in four equal annual installments, commencing one year after the date of grant.

Common StockSEC Table I · non-derivativeIndirectBy 401(k) Plan1,574 Reported balance Holding disclosure · report date 2026-08-18 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 1,574

Common StockSEC Table I · non-derivativeIndirectBy Trust1,897 Reported balance Holding disclosure · report date 2026-08-18 · row 4 Holding and transaction disclosures are not merged.
1 source row

Row 4 · Balance 1,897

F1: These shares are held in a trust for the benefit of the reporting person's spouse. The reporting person and the reporting person's spouse are trustees of the trust.

Common StockSEC Table I · non-derivativeIndirectby Trust for Daugh25 Reported balance Holding disclosure · report date 2026-08-18 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 25

Common StockSEC Table I · non-derivativeIndirectby Trust for Son25 Reported balance Holding disclosure · report date 2026-08-18 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 25

Filing footnotes · ownership attribution and instrument terms

F1: These shares are held in a trust for the benefit of the reporting person's spouse. The reporting person and the reporting person's spouse are trustees of the trust.

F2: The stock option award vested in four equal annual installments, commencing one year after the date of grant.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 23, 2023 Filed Aug 25, 2023 20:03 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 7,000 $399.66 $2,797,620.00
Disclosure

SEC source: 0001968202-23-000031 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,140

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 23, 2023 Filed Mar 27, 2023 20:37 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 2,192 $806.47 $1,767,782.24
Disclosure

SEC source: 0001883850-23-000060 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,409

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 9, 2023.

Read SEC document
February 03, 2023 Filed Feb 7, 2023 21:10 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 5,000 $0.00 Strike: $270.43 $0.00
Disclosure

SEC source: 0001883850-23-000037 · edgardoc.xml · derivative · entry 9

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2023-12-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
February 03, 2023 Filed Feb 7, 2023 21:10 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 3,286 $774.29 $2,544,316.94
Disclosure

SEC source: 0001883850-23-000037 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,295

Read SEC document
February 03, 2023 Filed Feb 7, 2023 21:10 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 5,000 $270.43 $1,352,150.00
Disclosure

SEC source: 0001883850-23-000037 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,581

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 16, 2022 Filed Dec 20, 2022 21:06 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantNon-Qualified Stock Option (right to buy) · Derivative 7,111 $0.00 Strike: $726.53 $0.00
Disclosure

SEC source: 0001883850-22-000131 · edgardoc.xml · derivative · entry 8

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,111

Underlying: Common Stock · 7,111 shares

Expires 2032-12-16

F3 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
December 16, 2022 Filed Dec 20, 2022 21:06 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantCommon Stock 1,926 $0.00 $0.00
Disclosure

SEC source: 0001883850-22-000131 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,581

F1 · kind: Award of Restricted Stock under the Second Amended and Restated 2014 Long-Term Incentive Plan that vests 50% on December 16, 2024 and 50% on December 16, 2026.

Read SEC document
December 09, 2022 Filed Dec 13, 2022 21:09 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 247 $753.28 $186,060.16
Disclosure

SEC source: 0001883850-22-000117 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,655

Read SEC document
October 26, 2022 Filed Dec 13, 2022 21:09 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 435 $0.00 $0.00
Disclosure

SEC source: 0001883850-22-000117 · edgardoc.xml · nonDerivative · entry 4

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust for Son

Disclosed balance after: 460

Read SEC document
October 26, 2022 Filed Dec 13, 2022 21:09 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 436 $0.00 $0.00
Disclosure

SEC source: 0001883850-22-000117 · edgardoc.xml · nonDerivative · entry 3

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust for Daugh

Disclosed balance after: 461

Read SEC document
October 26, 2022 Filed Dec 13, 2022 21:09 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 871 $0.00 $0.00
Disclosure

SEC source: 0001883850-22-000117 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by 2018 GRAT

Disclosed balance after: 0

Read SEC document
October 05, 2022 Filed Oct 7, 2022 20:03 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 1,844 $749.00 $1,381,156.00
Disclosure

SEC source: 0001883850-22-000080 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,425

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
October 03, 2022 Filed Oct 5, 2022 20:10 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 3,346 $724.00 $2,422,504.00
Disclosure

SEC source: 0001883850-22-000077 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,269

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,450 $0.00 Strike: $555.67 $0.00
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · derivative · entry 12

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 2,450 shares

Expires 2025-12-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 5,000 $0.00 Strike: $270.43 $0.00
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · derivative · entry 11

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2023-12-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 3,451 $736.21 $2,540,660.71
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · nonDerivative · entry 4

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,615

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 5,000 $270.43 $1,352,150.00
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · nonDerivative · entry 3

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,066

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 2,155 $736.21 $1,586,532.55
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,066

Read SEC document
April 08, 2022 Filed Apr 11, 2022 20:40 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 2,450 $555.67 $1,361,391.50
Disclosure

SEC source: 0001708138-22-000039 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,221

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,000 $0.00 Strike: $555.67 $0.00
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · derivative · entry 12

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,450

Underlying: Common Stock · 2,000 shares

Expires 2025-12-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 10,000 $0.00 Strike: $270.43 $0.00
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · derivative · entry 11

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2023-12-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 6,857 $700.99 $4,806,688.43
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · nonDerivative · entry 4

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,771

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 10,000 $270.43 $2,704,300.00
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · nonDerivative · entry 3

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,628

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 1,797 $700.99 $1,259,679.03
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,628

Read SEC document
March 31, 2022 Filed Apr 1, 2022 20:07 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 2,000 $555.67 $1,111,340.00
Disclosure

SEC source: 0001883850-22-000029 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,425

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2021 Filed Dec 14, 2021 21:10 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 270 $664.34 $179,371.80
Disclosure

SEC source: 0001708138-21-000106 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,122

Read SEC document
December 08, 2021 Filed Dec 10, 2021 22:28 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantNon-Qualified Stock Option (right to buy) · Derivative 7,941 $0.00 Strike: $644.54 $0.00
Disclosure

SEC source: 0001883850-21-000022 · edgardoc.xml · derivative · entry 8

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,941

Underlying: Common Stock · 7,941 shares

Expires 2031-12-08

F3 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
December 08, 2021 Filed Dec 10, 2021 22:28 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantCommon Stock 1,859 $0.00 $0.00
Disclosure

SEC source: 0001883850-21-000022 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,392

F1 · kind: Award of Restricted Stock under the Second Amended and Restated 2014 Long-Term Incentive Plan that vests 50% on December 8, 2023 and 50% on December 8, 2025.

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 14 $665.21 $9,312.94
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 8

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,739

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 70 $663.05 $46,413.50
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 7

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,753

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F5 · price: Represents volume-weighted average price of sales of 70 shares of Company stock on August 23, 2021 at prices ranging from $663.00 to $663.13. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 23, 2021 at each separate price.

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 1 $662.78 $662.78
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 6

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,823

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 88 $661.89 $58,246.32
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 5

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,824

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F4 · price: Represents volume-weighted average price of sales of 88 shares of Company stock on August 23, 2021 at prices ranging from $661.47 to $661.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 23, 2021 at each separate price.

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 23 $660.33 $15,187.59
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 4

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,912

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F3 · price: Represents volume-weighted average price of sales of 23 shares of Company stock on August 23, 2021 at prices ranging from $660.09 to $660.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 23, 2021 at each separate price.

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 9 $659.33 $5,933.97
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 3

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,935

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F2 · price: Represents volume-weighted average price of sales of 9 shares of Company stock on August 23, 2021 at prices ranging from $659.28 to $659.45. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 23, 2021 at each separate price.

Read SEC document
August 23, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 4,576 $655.00 $2,997,280.00
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,944

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 13,500 $0.00 Strike: $179.13 $0.00
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · derivative · entry 15

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,500 shares

Expires 2022-12-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F7 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:04 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Exercise / conversionCommon Stock 13,500 $179.13 $2,418,255.00
Disclosure

SEC source: 0001237899-21-000017 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,520

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

Read SEC document
August 20, 2021 Filed Aug 25, 2021 20:06 UTC Amendment REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 Tax withholdingCommon Stock 8,719 $664.85 $5,796,827.15
Disclosure

SEC source: 0001104659-21-109328 · tm2125915-1_4aseq1.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · SVP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,020

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F2 · balance_after: The amount of securities shown following the reported transaction gives effect to the other transactions reported by the Reporting Person in the Original Form 4.

Read SEC document
December 09, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantNon-Qualified Stock Option (right to buy) · Derivative 10,000 $0.00 Strike: $492.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · derivative · entry 9

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2030-12-09

F4 · derivative.exercise_date: The stock option award vests in four equal annual installments, commencing one year after the date of grant.

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December 09, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantCommon Stock 1,750 $0.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · nonDerivative · entry 2

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,102

F2 · kind: Award of Restricted Stock under the Second Amended and Restated 2014 Long-Term Incentive Plan that vests in its entirety on December 9, 2024.

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December 09, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GrantCommon Stock 969 $0.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · nonDerivative · entry 1

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,352

F1 · kind: Award of Restricted Stock under the Second Amended and Restated 2014 Long-Term Incentive Plan that vests 50% on December 9, 2022 and 50% on December 9, 2024.

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September 24, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 25 $0.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · nonDerivative · entry 5

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust for Son

Disclosed balance after: 25

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September 24, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 25 $0.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · nonDerivative · entry 4

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust for Daugh

Disclosed balance after: 25

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September 24, 2020 Filed Dec 11, 2020 21:05 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 GiftCommon Stock 50 $0.00 $0.00
Disclosure

SEC source: 0001708138-20-000113 · edgardoc.xml · nonDerivative · entry 3

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Indirect · by 2017 GRAT

Disclosed balance after: 0

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 11 $658.00 $7,238.00
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 16

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,501

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 82 $647.79 $53,118.78
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 15

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,512

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 155 $646.82 $100,257.10
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 14

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,594

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F10 · price: Represents volume-weighted average price of sales of 155 shares of Company stock on July 21, 2020 at prices ranging from $646.71 to $646.92. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on July 21, 2020 at each separate price.

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 72 $645.33 $46,463.76
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 13

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,749

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 303 $644.57 $195,304.71
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 12

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,821

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F9 · price: Represents volume-weighted average price of sales of 303 shares of Company stock on July 21, 2020 at prices ranging from $644.32 to $644.66. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on July 21, 2020 at each separate price.

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July 21, 2020 Filed Jul 22, 2020 20:31 UTC REGENERON PHARMACEUTICALS, INC. REGN · Entity 2010 SaleCommon Stock 691 $643.49 $444,651.59
Disclosure

SEC source: 0001237899-20-000035 · edgardoc.xml · nonDerivative · entry 11

Fenimore Christopher R. · CIK 0001697422 · VP Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,124

F1 · kind: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F8 · price: Represents volume-weighted average price of sales of 691 shares of Company stock on July 21, 2020 at prices ranging from $643.00 to $643.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on July 21, 2020 at each separate price.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.