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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2021
OR
☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from __________ to __________
  
Commission File Number: 0-19034
REGENERON PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)
New York13-3444607
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
777 Old Saw Mill River Road, Tarrytown, New York 10591-6707
(Address of principal executive offices, including zip code)
(914) 847-7000
(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading SymbolName of each exchange on which registered
Common Stock - par value $.001 per shareREGNNASDAQ Global Select Market
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.Yes☒No☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒
The number of shares outstanding of each of the registrant's classes of common stock as of October 22, 2021:
Class of Common StockNumber of Shares
Class A Stock, $.001 par value1,823,283
Common Stock, $.001 par value105,719,735


REGENERON PHARMACEUTICALS, INC.
QUARTERLY REPORT ON FORM 10-Q
TABLE OF CONTENTS
Page Numbers







"ARCALYST®," "Evkeeza®," "EYLEA®," "Inmazeb®," "Libtayo®" (in the United States), "Praluent®" (in the United States), "REGEN-COV®," "Regeneron®," "Regeneron Genetics Center®," "Veloci-Bi®," "VelociGene®," "VelociHum®," "VelociMab®," "VelocImmune®," "VelociMouse®," "VelociSuite®," "VelociT®," and "ZALTRAP®" are trademarks of Regeneron Pharmaceuticals, Inc. Trademarks and trade names of other companies appearing in this report are, to the knowledge of Regeneron Pharmaceuticals, Inc., the property of their respective owners. This report refers to products of Regeneron Pharmaceuticals, Inc., its collaborators, and other parties. Consult the product label in each territory for specific information about such products.


Table of Contents

PART I. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS
REGENERON PHARMACEUTICALS, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)
(In millions, except share data)
September 30,December 31,
20212020
ASSETS
Current assets:
Cash and cash equivalents$3,432.4 $2,193.7 
Marketable securities2,355.2 1,393.3 
Accounts receivable, net5,452.0 4,114.7 
Inventories2,053.8 1,916.6 
Prepaid expenses and other current assets482.0 160.8 
Total current assets13,775.4 9,779.1 
Marketable securities5,631.3 3,135.6 
Property, plant, and equipment, net3,395.7 3,221.6 
Deferred tax assets723.2 858.9 
Other noncurrent assets145.9 168.1 
Total assets$23,671.5 $17,163.3 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable$427.0 $475.5 
Accrued expenses and other current liabilities2,061.0 1,644.2 
Finance lease liabilities719.0 — 
Deferred revenue507.8 577.7 
Total current liabilities3,714.8 2,697.4 
Long-term debt1,979.6 1,978.5 
Finance lease liabilities— 717.2 
Deferred revenue56.5 57.8 
Other noncurrent liabilities662.6 687.1 
Total liabilities6,413.5 6,138.0 
Stockholders' equity:
Preferred Stock, $.01 par value; 30,000,000 shares authorized; issued and outstanding - none
— — 
Class A Stock, convertible, $.001 par value; 40,000,000 shares authorized; shares issued and outstanding - 1,848,970 in 2021 and 2020
— — 
Common Stock, $.001 par value; 320,000,000 shares authorized; shares issued - 124,608,241 in 2021 and 121,533,460 in 2020
0.1 0.1 
Additional paid-in capital7,919.3 6,716.2 
Retained earnings 16,739.3 10,893.0 
Accumulated other comprehensive income9.5 29.3 
Treasury Stock, at cost; 17,930,390 shares in 2021 and 16,431,520 shares in 2020
(7,410.2)(6,613.3)
Total stockholders' equity17,258.0 11,025.3 
Total liabilities and stockholders' equity$23,671.5 $17,163.3 
The accompanying notes are an integral part of the financial statements.
2


Table of Contents

REGENERON PHARMACEUTICALS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Unaudited)
(In millions, except per share data)
Three Months Ended
September 30,		Nine Months Ended
September 30,
2021202020212020
Statements of Operations
Revenues:
Net product sales$2,279.9 $1,482.2 $8,142.0 $3,945.8 
Collaboration revenue1,073.9 653.2 2,783.0 1,694.8 
Other revenue99.0 158.6 195.0 433.6 
3,452.8 2,294.0 11,120.0 6,074.2 
Expenses:
Research and development665.4 684.6 2,122.5 1,990.5 
Selling, general, and administrative445.0 326.9 1,265.3 1,042.5 
Cost of goods sold238.8 131.0 961.4 312.3 
Cost of collaboration and contract manufacturing214.4 143.0 493.5 454.5 
Other operating expense (income), net42.0 (44.6)(29.8)(135.2)
1,605.6 1,240.9 4,812.9 3,664.6 
Income from operations1,847.2 1,053.1 6,307.1 2,409.6 
Other income (expense):
Other (expense) income, net(16.4)(28.5)558.5 218.3 
Interest expense(14.2)(26.3)(43.2)(42.1)
(30.6)(54.8)515.3 176.2 
Income before income taxes1,816.6 998.3 6,822.4 2,585.8 
Income tax expense184.4 156.2 976.1 221.8 
Net income$1,632.2 $842.1 $5,846.3 $2,364.0 
Net income per share - basic$15.37 $7.98 $55.42 $21.83 
Net income per share - diluted$14.33 $7.39 $52.29 $20.36 
Weighted average shares outstanding - basic106.2 105.5 105.5 108.3 
Weighted average shares outstanding - diluted113.9 113.9 111.8 116.1 
Statements of Comprehensive Income
Net income$1,632.2 $842.1 $5,846.3 $2,364.0 
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on debt securities(6.4)(4.9)(20.5)10.9 
Unrealized gain (loss) on cash flow hedges0.2 0.2 0.7 (1.2)
Comprehensive income $1,626.0 $837.4 $5,826.5 $2,373.7 
The accompanying notes are an integral part of the financial statements.
3


Table of Contents

REGENERON PHARMACEUTICALS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)
(In millions)
Class A StockCommon StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Treasury StockTotal Stockholders' Equity
SharesAmountSharesAmountSharesAmount
Balance, December 31, 20201.8— 121.5$0.1 $6,716.2 $10,893.0 $29.3 (16.4)$(6,613.3)$11,025.3 
Issuance of Common Stock for equity awards granted under long-term incentive plans
— — 0.5 — 93.9 — — — — 93.9 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations
— — (0.1)— (66.4)— — — — (66.4)
Issuance/distribution of Common Stock for 401(k) Savings Plan
— — — — 8.5 — — — 1.5 10.0 
Repurchases of Common Stock
— — — — — — — (0.7)(323.5)(323.5)
Stock-based compensation charges— — — — 135.6 — — — — 135.6 
Net income— — — — — 1,115.2 — — — 1,115.2 
Other comprehensive loss, net of tax— — — — — — (13.1)— — (13.1)
Balance, March 31, 20211.8 — 121.9 0.1 6,887.8 12,008.2 16.2 (17.1)(6,935.3)11,977.0 
Issuance of Common Stock for equity awards granted under long-term incentive plans
— — 0.7 — 216.6 — — — — 216.6 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations
— — (0.1)— (26.1)— — — — (26.1)
Issuance/distribution of Common Stock for 401(k) Savings Plan
— — — — 11.6 — — — 2.5 14.1 
Repurchases of Common Stock
— — — — — — — (0.6)(288.6)(288.6)
Stock-based compensation charges— — — — 135.9 — — — — 135.9 
Net income— — — — — 3,098.9 — — — 3,098.9 
Other comprehensive loss, net of tax— — — — — — (0.5)— — (0.5)
Balance, June 30, 20211.8 — 122.5 0.1 7,225.8 15,107.1 15.7 (17.7)(7,221.4)15,127.3 
Issuance of Common Stock for equity awards granted under long-term incentive plans
— — 2.5 — 816.5 — — — — 816.5 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations
— — (0.4)— (269.6)— — — — (269.6)
Issuance/distribution of Common Stock for 401(k) Savings Plan
— — — — 10.2 — — — 1.8 12.0 
Repurchases of Common Stock
— — — — — — — (0.2)(190.6)(190.6)
Stock-based compensation charges— — — — 136.4 — — — — 136.4 
Net income— — — — — 1,632.2 — — — 1,632.2 
Other comprehensive loss, net of tax— — — — — — (6.2)— — (6.2)
Balance, September 30, 20211.8 — 124.6 $0.1 $7,919.3 $16,739.3 $9.5 (17.9)$(7,410.2)$17,258.0 
4


Table of Contents

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (continued)
Class A StockCommon StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Treasury StockTotal Stockholders' Equity
SharesAmountSharesAmountSharesAmount
Balance, December 31, 20191.8 — 113.3 $0.1 $4,428.6 $7,379.8 $21.1 (4.9)$(739.9)$11,089.7 
Issuance of Common Stock for equity awards granted under long-term incentive plans— — 3.1 — 817.4 — — — — 817.4 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations— — (0.4)— (155.1)— — — — (155.1)
Issuance/distribution of Common Stock for 401(k) Savings Plan— — — — 12.5 — — — 2.1 14.6 
Repurchases of Common Stock— — — — — — — (0.8)(336.0)(336.0)
Stock-based compensation charges— — — — 108.0 — — — — 108.0 
Net income— — — — — 624.6— — — 624.6 
Other comprehensive loss, net of tax— — — — — — (30.2)— — (30.2)
Balance, March 31, 20201.8— 116.00.15,211.48,004.4(9.1)(5.7)(1,073.8)12,133.0 
Issuance of Common Stock for equity awards granted under long-term incentive plans
— — 4.4 — 1,355.5 — — — — 1,355.5 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations
— — (0.6)— (416.5)— — — — (416.5)
Issuance/distribution of Common Stock for 401(k) Savings Plan
— — — — 7.4 — — — 2.7 10.1 
Repurchases of Common Stock
— — — — — — — (9.9)(5,071.8)(5,071.8)
Stock-based compensation charges
— — — — 105.2 — — — — 105.2 
Net income
— — — — — 897.3 — — — 897.3 
Other comprehensive income, net of tax
— — — — — — 44.6 — — 44.6 
Balance, June 30, 20201.8 — 119.8 0.1 6,263.0 8,901.7 35.5 (15.6)(6,142.9)9,057.4 
Issuance of Common Stock for equity awards granted under long-term incentive plans
— — 0.9 — 297.5 — — — — 297.5 
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations
— — (0.2)— (80.9)— — — — (80.9)
Issuance/distribution of Common Stock for 401(k) Savings Plan
— — — — 8.6 — — — 1.3 9.9 
Repurchases of Common Stock
— — — — — — — (0.1)(100.4)(100.4)
Stock-based compensation charges
— — — — 104.6 — — — — 104.6 
Net income
— — — — — 842.1 — — — 842.1 
Other comprehensive loss, net of tax— — — — — — (4.7)— — (4.7)
Balance, September 30, 20201.8 — 120.5 $0.1 $6,592.8 $9,743.8 $30.8 (15.7)$(6,242.0)$10,125.5 
The accompanying notes are an integral part of the financial statements.
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REGENERON PHARMACEUTICALS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
(In millions)
Nine Months Ended
September 30,
20212020
Cash flows from operating activities:
Net income $5,846.3 $2,364.0 
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization211.7 174.2 
Non-cash compensation expense413.3 310.5 
Gains on marketable and other securities, net(524.6)(162.3)
Other non-cash items, net264.4 51.0 
Deferred taxes58.8 117.9 
Changes in assets and liabilities:
Increase in accounts receivable(1,342.9)(1,275.3)
Increase in inventories(330.6)(402.4)
(Increase) decrease in prepaid expenses and other assets(316.8)16.4 
(Decrease) increase in deferred revenue(71.2)112.3 
Increase in accounts payable, accrued expenses, and other liabilities500.4 80.8 
Total adjustments(1,137.5)(976.9)
Net cash provided by operating activities4,708.8 1,387.1 
Cash flows from investing activities:
Purchases of marketable and other securities(4,872.3)(2,642.7)
Sales or maturities of marketable and other securities1,897.3 3,330.3 
Capital expenditures(397.0)(453.2)
Net cash (used in) provided by investing activities(3,372.0)234.4 
Cash flows from financing activities:
Proceeds from issuance of Common Stock1,129.6 2,471.1 
Payments in connection with Common Stock tendered for employee tax obligations(450.3)(652.5)
Repurchases of Common Stock(778.5)(5,465.7)
Proceeds from issuance of long-term debt— 1,981.9 
Proceeds from bridge loan facility— 1,500.0 
Repayment of bridge loan facility— (1,500.0)
Net cash used in financing activities(99.2)(1,665.2)
Net increase (decrease) in cash, cash equivalents, and restricted cash1,237.6 (43.7)
Cash, cash equivalents, and restricted cash at beginning of period2,207.3 1,630.3 
Cash, cash equivalents, and restricted cash at end of period$3,444.9 $1,586.6 
The accompanying notes are an integral part of the financial statements.
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REGENERON PHARMACEUTICALS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

1. Interim Financial Statements
Basis of Presentation
The interim Condensed Consolidated Financial Statements of Regeneron Pharmaceuticals, Inc. and its subsidiaries ("Regeneron," "Company," "we," "us," and "our") have been prepared in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and disclosures necessary for a presentation of the Company's financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States of America. In the opinion of management, these financial statements reflect all normal recurring adjustments and accruals necessary for a fair statement of the Company's condensed consolidated financial statements for such periods. The results of operations for any interim period are not necessarily indicative of the results for the full year. The December 31, 2020 Condensed Consolidated Balance Sheet data were derived from audited financial statements, but do not include all disclosures required by accounting principles generally accepted in the United States of America. These financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.
Certain reclassifications have been made to prior period amounts to conform with the current period's presentation.
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2. Product Sales
Net product sales consist of the following:
(In millions)Three Months Ended
September 30,		Nine Months Ended
September 30,
Net Product Sales in the United States
2021202020212020
EYLEA®
$1,473.4 $1,318.3 $4,245.1 $3,604.0 
Libtayo®
78.4 71.6 225.5 196.6 
Praluent®
44.8 48.5 130.0 95.7 *
REGEN-COV®
676.7 40.2 3,530.1 40.2 
Evkeeza®
6.6 — 9.1 — 
ARCALYST®
— **3.6 2.2 **9.3 
$2,279.9 $1,482.2 $8,142.0 $3,945.8 
* Effective April 1, 2020, the Company became solely responsible for the development and commercialization of Praluent in the United States and records net product sales of Praluent in the United States. Previously, Sanofi recorded net product sales of Praluent in the United States. See Note 3 for further details.
** Effective April 1, 2021, Kiniksa records net product sales of ARCALYST in the United States. Previously, the Company recorded net product sales of ARCALYST in the United States.
As of September 30, 2021 and December 31, 2020, the Company had $4.086 billion and $3.112 billion, respectively, of trade accounts receivable that were recorded within Accounts receivable, net.
The Company had product sales to certain customers that accounted for more than 10% of total gross product revenue for the three and nine months ended September 30, 2021 and 2020. Sales to each of these customers as a percentage of the Company's total gross product revenue are as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2021202020212020
Besse Medical, a subsidiary of AmerisourceBergen Corporation
40 %50 %33 %52 %
McKesson Corporation24 %34 %20 %34 %
U.S. Government (see Note 3)25 %*38 %*
* Sales to the U.S. Government represented less than 10% of total gross product revenue during the period.
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3. Collaboration, License, and Other Agreements
a. Sanofi
Amounts recognized in our Statements of Operations in connection with our collaborations with Sanofi are detailed below:
Statement of Operations ClassificationThree Months Ended
September 30,		Nine Months Ended
September 30,
(In millions)2021202020212020
Antibody:
Regeneron's share of profits in connection with commercialization of antibodiesCollaboration revenue$387.0 $212.8 $975.2 $555.6 
Sales-based milestone earnedCollaboration revenue$50.0 $50.0 $50.0 $50.0 
Reimbursement for manufacturing of commercial suppliesCollaboration revenue$144.7 $94.3 $361.2 $275.0 
Reimbursement of research and development expensesReduction of Research and development expense$45.2 $45.5 $