10-K/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K/A

Amendment N0. 1

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

For the fiscal year ended December 31, 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: 001-39484

METROMILE, INC.

(Exact name of registrant as specified in its Charter)

Delaware	84-4916134
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
425 Market Street #700 San Francisco, California	94105
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (888) 242-5204

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

Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Stock, $0.0001 par value per share	MILE	The Nasdaq Capital Market
Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share	MILEW	The Nasdaq Capital Market

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐ No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ☐ No ☒

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, 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 has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The aggregate market value of the registrant’s common stock held by non-affiliates of the registrant as of June 30, 2021, the last business day of the registrant’s most recently completed second fiscal quarter, was $809 million, based on the closing price of the registrant’s common stock on the Nasdaq Capital Market of $9.15 per share for such date.

As of February 23, 2022, there were 128,221,885 shares of the Company’s common stock, par value $0.0001 per share, issued and outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

None.

Auditor Name: Moss Adams LLP Auditor Location: San Francisco, California Auditor Firm ID: 659

EXPLANATORY NOTE

On February 28, 2022, we filed our Form 10-K for the period ended December 31, 2021 (“Original Annual Report”). This Amendment No. 1 to Form 10-K (the “Amendment”) is filed solely to refile corrected Exhibits 31.1 and 31.2 as Exhibits 31.3 and 31.4 to the Form 10-K in accordance with Item 601(b)(31) of Regulation S-K.

Except as described above, no attempt has been made in this Amendment to modify or update any disclosures presented in the Original Annual Report other than as revised in Part IV – Item 15 – Exhibits, and Financial Statement Schedules. This Amendment No.1 does not reflect events occurring after the filing of the Original Annual Report or modify or update any disclosures therein. Accordingly, this Amendment should be read in conjunction with the Company's filings with the Securities and Exchange Commission subsequent to the filing of the Original Annual Report, including any amendments to those filings.

Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the Company has filed the certifications required by Rule 13a-14(a) or 15d-14(a) of the Exchange Act.

i

TABLE OF CONTENTS

		Page
PART IV
Item 15.	Exhibits, and Financial Statement Schedules	1

ii

ITEM 15.    EXHIBITS, AND FINANCIAL STATEMENT SCHEDULES

(a)  The following documents are filed as part of this Annual Report on Form 10-K:

Financial Statements: The financial statements listed in “Index to Financial Statements” under “Item 8. Financial Statements and Supplementary Data” are filed as part of this Annual Report on Form 10-K.

(b)  Exhibits: The exhibits listed below are filed or incorporated by reference as part of this Annual Report on Form 10-K.

Exhibit No.	Description
2.1+	Agreement and Plan of Merger and Reorganization, dated November 24, 2020, by and among INSU Acquisition Corp. II, INSU II Merger Sub Corp., and Metromile, Inc. (incorporated by reference to Annex A to the Company’s Proxy Statement/Prospectus included in the Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 15, 2021).
2.2	Amendment No. 1 to the Agreement and Plan of Merger and Reorganization, dated November 24, 2020, and as amended on January 12, 2021 and further amended on February 8, 2021, by and among INSU Acquisition Corp. II, INSU II Merger Sub Corp., and MetroMile, Inc. (incorporated by reference to Annex AA to the Company’s Proxy Statement/Prospectus included in the Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 15, 2021).
2.3	Amendment No. 2 to the Agreement and Plan of Merger and Reorganization, dated November 24, 2020, and as amended on January 12, 2021 and further amended on February 8, 2021, by and among INSU Acquisition Corp. II, INSU II Merger Sub Corp., and MetroMile, Inc. (incorporated by reference to Exhibit 2.3 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
2.4	Agreement and Plan of Merger, dated November 8, 2021, by and among Lemonade, Inc., Citrus Merger Sub A, Inc., Citrus Merger Sub B, LLC and the Company (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 9, 2021).
3.1	Second Amended and Restated Certificate of Incorporation of the Company, dated February 9, 2021 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
3.2	Second Amended and Restated Bylaws of the Company, dated February 9, 2021 (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
4.1	Form of Common Stock Certificate of the Company (incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-1, filed with the Securities and Exchange Commission on February 12, 2021).
4.2	Form of Warrant Certificate of the Company (incorporated by reference to Exhibit 4.2 to the Company’s Registration Statement on Form S-1, filed with the Securities and Exchange Commission on February 12, 2021).
4.3	Description of Securities.
10.1	Letter Agreement, dated September 2, 2020, by and between the Company and certain security holders, officers, and directors of the Company (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.2	Administrative Services Agreement, dated September 2, 2020, by and between the Company and Cohen & Company, LLC (incorporated by reference to Exhibit 10.6 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.3	Unit Subscription Agreement, dated September 2, 2020, by and between the Company and Insurance Acquisition Sponsor II, LLC (incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.4	Unit Subscription Agreement, dated September 2, 2020, by and between the Company and Cantor Fitzgerald & Co. (incorporated by reference to Exhibit 10.5 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.5	Investment Management Trust Agreement, dated September 2, 2020, by and between the Company and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.6	Registration Rights Agreement, dated September 2, 2020, by and among the Company and certain security holders of the Company (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.7	Warrant Agreement, dated September 2, 2020, by and between the Company and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.8	Loan Commitment Agreement, dated September 2, 2020, by and between the Company and Insurance Acquisition Sponsor II, LLC (incorporated by reference to Exhibit 10.7 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).
10.9	Form of Promissory Note between the Company and Insurance Acquisition Sponsor II, LLC (incorporated by reference to Exhibit 10.7 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 9, 2020).

1

Exhibit No.	Description
10.10	Promissory Note issued by the Company to Cohen & Company, LLC, dated July 24, 2020 (incorporated by reference to Exhibit 10.6 to the Company’s Registration Statement on Form S-1, filed with the Securities and Exchange Commission on July 30, 2020).
10.11	Sponsor Share Cancellation and Vesting Agreement, dated November 24, 2020, by and among the Company, Insurance Acquisition Sponsor II, LLC and Dioptra Advisors II, LLC (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 24, 2020).
10.12	Sponsor Support Agreement, dated November 24, 2020, by and among the Company, Insurance Acquisition Sponsor II, LLC, Dioptra Advisors II, LLC, Metromile, Inc. and the officers and directors of the Company (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 24, 2020).
10.13	Form of Stockholder Support Agreement by and among the Company, Metromile, Inc. and the Persons set forth on Schedule I thereto (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 24, 2020).
10.14	Form of Subscription Agreement by and among the Company and certain subscribers (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 24, 2020).
10.15	Amended and Restated Registration Rights Agreement, dated February 9, 2021, by and among the Company and certain security holders of the Company (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
10.16	Form of Lock-Up Agreement (incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 24, 2020).
10.17#	Form of Indemnification Agreement by and between the Company and its directors and officers (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
10.18#	Metromile, Inc. 2021 Equity Incentive Plan (incorporated by reference to Annex B to the Company’s Proxy Statement/Prospectus included in the Registration Statement on Form S-4, filed with the Securities and Exchange Commission on January15, 2021).
10.19#	Metromile, Inc. 2021 Employee Stock Purchase Plan (incorporated by reference to Annex C to the Company’s Proxy Statement/Prospectus included in the Registration Statement on Form S-4, filed with the Securities and Exchange Commission on January 15, 2021).
10.20	Omnibus Amendment No. 2 to Note Purchase and Security Agreement, dated February 9, 2021, by and among Metromile, Inc., HSCM Bermuda Fund Ltd., and the Schedule of Holders listed on Exhibit B (incorporated by reference to Exhibit 10.5 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
10.21#	Metromile, Inc. Amended and Restated 2011 Equity Incentive Plan, as amended (incorporated by reference to Exhibit 10.17 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on December 31, 2021).
10.22#	Forms of Option Agreement, Stock Option Grant Notice and Notice of Exercise under the Metromile, Inc. Amended and Restated 2011 Equity Incentive Plan (incorporated by reference to Exhibit 10.18 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on December 31, 2021).
10.23#	Offer Letter, dated January 30, 2013, by and between MetroMile, Inc. and Dan Preston (incorporated by reference to Exhibit 10.19 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.24#	Offer Letter, dated February 11, 2021, by and between Metromile, Inc. and Dan Preston (incorporated by reference to Exhibit 10.24 to the Company’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on March 31, 2021). .
10.25#	Offer Letter, dated January 18, 2019, by and between MetroMile, Inc. and Paw Andersen (incorporated by reference to Exhibit 10.20 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.26#	Offer Letter, dated September 21, 2017, by and between MetroMile, Inc. and Lindsay Alexovich (incorporated by reference to Exhibit 10.21 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.27#	Offer Letter, dated December 16, 2019, by and between MetroMile, Inc. and Mark Gundacker (incorporated by reference to Exhibit 10.22 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.28#	Offer Letter, dated January 3, 2020, by and between MetroMile, Inc. and Jesse McKendry (incorporated by reference to Exhibit 10.23 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.29#	Offer Letter, dated April 17, 2021, by and between the Company and Regi Vengalil (incorporated by reference to Exhibit 10.1 to the Company’s Form 10-Q, filed with the Securities and Exchange Commission on May 19, 2021).
10.30#	Form of MetroMile, Inc. Confidential Information and Invention Assignment Agreement (incorporated by reference to Exhibit 10.24 to the Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).

2

Exhibit No.	Description
10.31#	At-Will Employment, Confidential Information, Invention Assignment and Arbitration Agreement, dated February 7, 2013, by and between MetroMile, Inc. and Dan Preston (incorporated by reference to Exhibit 10.25 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.32#	At-Will Employment, Confidential Information, Invention Assignment and Arbitration Agreement, dated November 4, 2017, by and between MetroMile, Inc. and Lindsay Alexovich (incorporated by reference to Exhibit 10.26 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 13, 2021).
10.33	Office Lease, dated May 16, 2019, by and between 425 MKT REIT, LLC and Metromile, Inc. (incorporated by reference to Exhibit 10.15 to the Company’s Registration Statement on Form S-4/A, filed with the Securities and Exchange Commission on January 14, 2021).
10.33	Form of Voting and Support Agreement by and among Lemonade, Inc. and certain stockholders of the Company (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on November 9, 2021).
16.1	Letter from Grant Thornton LLP to the Securities and Exchange Commission, dated February 11, 2021 (incorporated by reference to Exhibit 16.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 11, 2021).
21.1	List of Subsidiaries (incorporated by reference to Exhibit 21.1 to the Company’s Registration Statement on Form S-1, filed with the Securities and Exchange Commission on February 12, 2021).
23.1*	Consent of Independent Registered Public Accounting Firm
24.1*	Power of Attorney (included in the Signature Page).
31.1*	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.3**	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, as amended.
31.4**	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, as amended.
32.1*	Certifications of Principal Executive Officer and Principal Financial Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code).
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definitions Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

_______________

+ The schedules and exhibits to this agreement have been omitted pursuant to Item 601(b)(2) of Regulation S-K. A copy of any omitted schedule and/or exhibit will be furnished to the SEC upon request.

# Indicates management contract or compensatory plan or arrangement.

* Filed with the Original Annual Report

** Filed herewith

3

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	METROMILE, INC
Date: July 28, 2022	By:	/s/ Regi Vengalil
		Regi Vengalil Chief Financial Officer (Principal Financial Officer)

4

EX-31.3

Exhibit 31.3

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Dan Preston, certify that:

1.I have reviewed this Annual Report on Form 10-K of Metromile, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s fourth fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 28, 2022	By:	/s/ Dan Preston
		Dan Preston
		Chief Executive Officer
		(Principal Executive Officer)

EX-31.4

Exhibit 31.4

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Regi Vengalil, certify that:

1.I have reviewed this Annual Report on Form 10-K of Metromile, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s fourth fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 28, 2022	By:	/s/ Regi Vengalil
		Regi Vengalil
		Chief Financial Officer
		(Principal Financial Officer)

XML

Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Feb. 23, 2022	Jun. 30, 2021
Document Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-39484
Entity Registrant Name	METROMILE, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-4916134
Entity Address, Address Line One	425 Market Street #700
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94105
City Area Code	888
Local Phone Number	242-5204
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		128,221,885
Documents Incorporated by Reference	None.
Entity Public Float			$ 809
Amendment Flag	false
Entity Central Index Key	0001819035
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	MILE
Security Exchange Name	NASDAQ
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share
Trading Symbol	MILEW
Security Exchange Name	NASDAQ

XML

Audit Information	12 Months Ended
	Dec. 31, 2021
Audit Information [Abstract]
Auditor Name	Moss Adams LLP
Auditor Firm ID	659
Auditor Location	San Francisco, California