UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2021

☐ 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 0-17999

ImmunoGen, Inc.

Massachusetts		04-2726691
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)

830 Winter Street, Waltham, MA 02451

(Address of principal executive offices, including zip code)

(781) 895-0600

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

	Title of Each Class		Trading Symbol		Name of Each Exchange on Which Registered
	Common Stock, $.01 par value		IMGN		Nasdaq 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 definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12-b2 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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Shares of common stock, par value $.01 per share: 202,619,488 shares outstanding as of October 26, 2021.

Table of Contents

IMMUNOGEN, INC.

FORM 10-Q

FOR THE QUARTER ENDED SEPTEMBER 30, 2021

TABLE OF CONTENTS


Item		Page Number
	Part I
	Financial Information
1.	Financial Statements (Unaudited)	2

1a.	Consolidated Balance Sheets as of September 30, 2021 and December 31, 2020	2

1b.	Consolidated Statements of Operations and Comprehensive Loss for the three and nine months ended September 30, 2021 and 2020	3

1c.	Consolidated Statements of Shareholders’ Equity (Deficit) for the three months ended March 31, June 30, and September 30, 2021 and the three months ended March 31, June 30, September 30, and December 31, 2020	4

1d.	Consolidated Statements of Cash Flows for the nine months ended September 30, 2021 and 2020	5

1e.	Notes to Consolidated Financial Statements	6

2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	18

3.	Quantitative and Qualitative Disclosures about Market Risk	24

4.	Controls and Procedures	24

	Part II
	Other Information
1A.	Risk Factors	24

6.	Exhibits	25

	Signatures	26

Forward-looking statements

This report includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to analyses and other information which are based on forecasts of future results and estimates of amounts that are not yet determinable.

These statements also relate to our future prospects, developments, and business strategies. These forward-looking statements are identified by their use of terms and phrases such as “anticipate,” “believe,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “will,” and other similar terms and phrases, including references to assumptions. These statements are contained in the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Risk Factors” sections, as well as the notes to our financial statements and other sections of this report.

These forward-looking statements involve known and unknown risks, uncertainties, and other factors that may cause actual results to be materially different from those contemplated by our forward-looking statements. These known and unknown risks, uncertainties, and other factors are described in detail in the “Risk Factors” section and in other sections of this report and our Annual Report on Form 10-K for the year ended December 31, 2020 filed with the Securities and Exchange Commission (SEC) on March 1, 2021, as updated and/or supplemented in subsequent filings with the SEC. Except as required by law, we disclaim any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

Table of Contents

ITEM 1. Financial Statements

IMMUNOGEN, INC.

CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

In thousands, except per share amounts


	September 30,		December 31,
	2021		2020
ASSETS
Cash and cash equivalents	$	245,761	$	293,856
Accounts receivable		221		35
Unbilled receivables		4,706		11
Contract assets		2,500		—
Non-cash royalty receivable		3,369		22,451
Prepaid and other current assets		14,330		7,901
Total current assets		270,887		324,254
Property and equipment, net of accumulated depreciation		4,636		5,760
Operating lease right-of-use assets		12,745		14,072
Other assets		8,535		10,986
Total assets	$	296,803	$	355,072
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable	$	10,520	$	9,538
Accrued compensation		4,718		4,620
Other accrued liabilities		34,718		29,320
Convertible 4.5% senior notes, net of deferred financing costs of $0 and $7, respectively		—		2,093
Current portion of liability related to the sale of future royalties, net of deferred financing costs of $206 and $319, respectively		4,945		44,357
Current portion of operating lease liability		3,358		3,146
Current portion of deferred revenue

SEC Form 10-Q filed by ImmunoGen, Inc.