13G HTML File
DOCUMENT TYPE SC 13G/A
TEXT
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Amendment # 4
Name of Issuer: PROTEOSTASIS THERAPEUTICS, INC.
_____________________________________________________
Title of Class
of Securities: Common Stock
CUSIP Number: 74373B109
1) NAME AND I.R.S. IDENTIFICATION NO. OF REPORTING PERSON
Prudential Financial, Inc. 22-3703799
2.) MEMBER OF A GROUP: (a) N/A
(b) N/A
3) SEC USE ONLY:
4) PLACE OF ORGANIZATION: New Jersey
NUMBER OF SHARES BENEFICIALLY OWNED BY REPORTING PERSON WITH:
5) Sole Voting Power: 0 Not
Applicable
6) Shared Voting Power: 0 Not Applicable
7) Sole Dispositive Power: 0 Not Applicable
8) Shared Dispositive Power: 0 Not Applicable
9) AGGREGATE AMOUNT BENEFICIALLY OWNED: 0 Not Applicable
10) AGGREGATE AMOUNT IN ROW (9) EXCLUDES SHARES: Not Applicable
11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9): 0.0 Not Applicable
12) TYPE OF REPORTING PERSON: HC
ITEM 1(a). NAME OF ISSUER:
PROTEOSTASIS THERAPEUTICS, INC.
ITEM 1(b). ADDRESS OF ISSUER'S EXECUTIVE OFFICES:
80 GUEST STREET
5TH FLOOR
BOSTON , MA
02135
ITEM 2(a). NAME OF PERSON FILING:
Prudential Financial, Inc.
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE:
751 Broad Street
Newark, New Jersey 07102-3777
ITEM 2(c). CITIZENSHIP:
New Jersey
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e). CUSIP NUMBER:
74373B109
ITEM 3. The Person filing this statement is a Parent Holding
Company as
defined in Section 240.13d-1(b)(1)(ii)(G) of the Securities
Exchange
Act of 1934.
ITEM 4. OWNERSHIP:
(a) Number of Shares
Beneficially Owned: 0
Not Applicable
(b) Percent of Class: 0.0
(c) Powers No. Of Shares
----------- --------------------
Sole power to vote or 0 Not Applicable
to direct the vote
Shared power to vote or 0 Not Applicable
to direct the vote
Sole power to dispose or 0 Not Applicable
to direct disposition
Shared power to dispose 0 Not Applicable
or to direct disposition
ITEM 5. OWNERSHIP OF 5% OR LESS OF A CLASS:
Not Applicable
ITEM 6. OWNERSHIP OF MORE THAN 5% ON BEHALF OF
ANOTHER PERSON:
Not Applicable
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE
SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING
REPORTED ON BY THE ULTIMATE PARENT COMPANY:
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF
MEMBERS OF THE GROUP:
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP:
Not Applicable
ITEM 10. CERTIFICATION:
By signing below, Prudential Financial, Inc. certifies that, to the best of
its
knowledge and belief, the securities referred to above were acquired
and are held in the ordinary course of business and were not acquired
and are not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were not
acquired
and are not held in connection with or as a participant in any transaction
having that purpose or effect.
The filing of this statement should not be construed as an admission that
Prudential Financial, Inc. is, for purposes of Sections 13 or 16 of the
Securities
Exchange Act of 1934, the beneficial owner of such shares.
SIGNATURE
After reasonable inquiry and to the best of its knowledge and
belief,
Prudential Financial, Inc. certifies that the information set forth in this
statement is true, complete and correct.
PRUDENTIAL FINANCIAL, INC.
By: Richard Baker
Second Vice President
Date: 02/06/2020
As of: 12/31/2019
Exhibit A
--------------
ITEM 4. OWNERSHIP:
| Subsidiaries |
|
Number of Shares |
Percentage |
| The Prudential Insurance Company of
America |
IC |
|
|
| Prudential Retirement Insurance and Annuity Company |
IC |
|
|
| Jennison Associates LLC |
IA |
|
|
| PGIM, Inc. |
IA |
|
|
| Quantitative Management Associates LLC |
IA |
|
|