FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response...
0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Covington JoAnn 2. Issuer Name and Ticker or Trading Symbol Proterra Inc [ PTRA ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Legal Officer, Secy
(Last)         (First)         (Middle)
C/O PROTERRA INC, 1815 ROLLINS ROAD
3. Date of Earliest Transaction (MM/DD/YYYY)
9/2/2021
(Street)
BURLINGAME, CA 94010
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock  9/2/2021    A    27961  A $0.00  27961 (1) D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy)  $11.33  9/2/2021    A     50350       (2) 9/1/2031  Common Stock  50350  $0.00  50350  D   

Explanation of Responses:
(1)  Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.
(2)  The stock option vests as of 1/4 of the total shares annually beginning on September 1, 2021 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Covington JoAnn
C/O PROTERRA INC
1815 ROLLINS ROAD
BURLINGAME, CA 94010


Chief Legal Officer, Secy

Signatures
/s/ Joshua Damm, Attorney-in-Fact 9/7/2021
**Signature of Reporting Person Date
ArcLight Clean Transition (NASDAQ:ACTC)
Historical Stock Chart
From Oct 2021 to Nov 2021 Click Here for more ArcLight Clean Transition Charts.
ArcLight Clean Transition (NASDAQ:ACTC)
Historical Stock Chart
From Nov 2020 to Nov 2021 Click Here for more ArcLight Clean Transition Charts.