Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 13G
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Under the Securities Exchange Act of 1934
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(Amendment No. 3)*
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Proteostasis Therapeutics, Inc.
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(Name of Issuer)
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Common Stock, par value $0.001 per share
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(Title of Class of Securities)
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74373B109
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(CUSIP Number)
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December 31, 2018
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(Date of Event which Requires Filing of this Statement)
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Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[ ] Rule 13d-1(b)
[x] Rule 13d-1(c)
[ ] Rule 13d-1(d)
___________________________________
* The remainder of this cover page shall be
filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of
Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
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1
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Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only)
Cormorant Global Healthcare Master Fund, LP
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2
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) [ ]
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(b) [x]
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3
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SEC Use Only
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4
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Citizenship or Place of Organization.
Cayman Islands
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Number
of Shares
Beneficially
Owned by
Each
Reporting
Person With
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5 Sole Voting Power
0 shares
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6 Shared Voting Power
0 shares
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7 Sole Dispositive Power
0 shares
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8 Shared Dispositive Power
0 shares
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares
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10
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
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11
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Percent of Class Represented by Amount in Row (9)*
0%
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12
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Type of Reporting Person (See Instructions)
PN (Partnership)
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1
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Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only)
Cormorant Global Healthcare GP, LLC
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2
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) [ ]
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(b) [x]
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3
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SEC Use Only
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4
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Citizenship or Place of Organization.
Delaware
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Number
of Shares
Beneficially
Owned by
Each
Reporting
Person With
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5 Sole Voting Power
0 shares
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6 Shared Voting Power
0 shares
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7 Sole Dispositive Power
0 shares
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8 Shared Dispositive Power
0 shares
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares
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10
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
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11
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Percent of Class Represented by Amount in Row (9)*
0%
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12
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Type of Reporting Person (See Instructions)
OO (Limited Liability Company)
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1
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Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only)
Cormorant Asset Management, LP
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2
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) [ ]
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(b) [x]
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3
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SEC Use Only
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4
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Citizenship or Place of Organization.
Delaware
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Number
of Shares
Beneficially
Owned by
Each
Reporting
Person With
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5 Sole Voting Power
0 shares
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6 Shared Voting Power
0 shares
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7 Sole Dispositive Power
0 shares
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8 Shared Dispositive Power
0 shares
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares
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10
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
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11
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Percent of Class Represented by Amount in Row (9)*
0%
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12
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Type of Reporting Person (See Instructions)
OO (Limited Liability Company)
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1
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Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only)
Bihua Chen
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2
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) [ ]
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(b) [x]
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3
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SEC Use Only
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4
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Citizenship or Place of Organization.
United States
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Number
of Shares
Beneficially
Owned by
Each
Reporting
Person With
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5 Sole Voting Power
0 shares
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6 Shared Voting Power
0 shares
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7 Sole Dispositive Power
0 shares
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8 Shared Dispositive Power
0 shares
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares
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10
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
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11
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Percent of Class Represented by Amount in Row (9)*
0%
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12
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Type of Reporting Person (See Instructions)
IN (Individual)
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Item 1.
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(a)
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Name of Issuer
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Proteostasis Therapeutics, Inc.
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(b)
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Address of Issuer’s Principal Executive Offices
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200 Technology Square, 4th Floor
Cambridge, Massachusetts 02139
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Item 2.
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(a)
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Name of Person Filing
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Cormorant Global Healthcare Master Fund, LP
Cormorant Global Healthcare GP, LLC Cormorant Asset Management, LP Bihua Chen |
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(b)
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Address of Principal Business Office or, if none, Residence
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200 Clarendon Street, 52nd Floor
Boston, MA 02116
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(c)
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Citizenship
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Cormorant Global Healthcare Master Fund, LP - Cayman Islands
Cormorant Global Healthcare GP, LLC - Delaware Cormorant Asset Management, LP - Delaware Bihua Chen - United States |
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(d)
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Title of Class of Securities
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Common Stock
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(e)
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CUSIP Number
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74373B109
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| Item 3. |
If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
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(a)
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Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
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(b)
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Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
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(c)
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Insurance Company as defined in Section 3(a)(19) of the Act
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(d)
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Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
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(e)
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An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
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(f)
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An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
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(g)
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A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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(h)
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A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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(i)
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A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment
Company Act of 1940 (15 U.S.C. 80a-3);
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(j)
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A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);
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(k)
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Group, in accordance with §240.13d-1(b)(1)(ii)(K).
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| Item 4. |
Ownership
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Provide the following information regarding the aggregate number and percentage of the class of securities of
the issuer identified in Item 1.
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(a)
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Amount Beneficially Owned
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Cormorant Global Healthcare Master Fund, LP – 0 shares
Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares |
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(b)
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Percent of Class
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Cormorant Global Healthcare Master Fund, LP – 0%
Cormorant Global Healthcare GP, LLC – 0% Cormorant Asset Management, LP - 0% Bihua Chen - 0% |
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(c)
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Number of shares as to which such person has:
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(i)
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sole power to vote or to direct the vote
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Cormorant Global Healthcare Master Fund, LP - 0 shares
Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares
Bihua Chen - 0 shares
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(ii)
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shared power to vote or to direct the vote
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Cormorant Global Healthcare Master Fund, LP – 0 shares
Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares |
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(iii)
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sole power to dispose or to direct the disposition of
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Cormorant Global Healthcare Master Fund, LP – 0 shares
Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares |
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(iv)
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shared power to dispose or to direct the disposition of
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Cormorant Global Healthcare Master Fund, LP – 0 shares
Cormorant Global Healthcare GP, LLC – 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares |
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Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date hereof the reporting person has
ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ X ].
Item 6. Ownership of More than Five Percent on Behalf of Another Person
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company
Not applicable.
CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP
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Identification and Classification of Members of the Group
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Not applicable.
| Item 9. |
Notice of Dissolution of Group
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Not applicable.
| Item 10. |
Certification
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By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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.
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Exhibits
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Exhibit
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| 99.1 | Joint Filing Agreement by and among the Reporting Persons, incorporated by reference to Exhibit 1 to the Schedule 13G filed by the Reporting Persons with the Securities and Exchange Commission on February 26, 2016. |
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set
forth in this Statement is true, complete and correct.
February 14, 2019
CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP
By:
Cormorant Global Healthcare GP, LLC
its
General Partner
By: /s/ Bihua Chen
Bihua
Chen, Managing Member
CORMORANT GLOBAL HEALTHCARE GP, LLC
By: /s/ Bihua Chen
Bihua
Chen, Managing Member
By: Cormorant Asset Management GP, LLC
its General Partner
By: /s/ Bihua Chen
Bihua
Chen, Managing Member
/s/
Bihua Chen
Bihua
Chen