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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of report (Date of earliest event reported): March 15, 2023
Proterra Inc
(Exact name of registrant as specified in its charter)
Delaware
001-39546
90-2099565
(State or other jurisdiction of
incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification Number)
1815 Rollins Road
Burlingame, California 94010
(Address of registrant’s principal executive offices, and zip code)
(864) 438-0000
(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
  ☐Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  ☐Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  ☐Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.0001 par value per sharePTRAThe Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

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. ☐




Item 2.02 Results of Operations and Financial Condition.
On March 15, 2023, Proterra Inc (“Proterra”) issued a quarterly letter regarding Proterra’s financial results for its fourth fiscal quarter ended December 31, 2022. A copy of Proterra’s quarterly letter is attached hereto as Exhibit 99.1.
The information contained in Item 2.02 of this Current Report, including Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933 as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.


Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number
Exhibit Description
99.1
104Inline XBRL for the cover page of this Current Report on Form 8-K.
SIGNATURES
Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 15, 2023

PROTERRA INC
By:
/s/ Gareth T. Joyce
Name:Gareth T. Joyce
Title:President and Chief Executive Officer

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