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Filing Details

Accession Number:: 0001209191-16-099506
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2016-02-17 19:05:31
Reporting Period:: 2016-02-17

Filing Date:: 2016-02-17
Accepted Time:: 2016-02-17 19:05:31
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1445283	Proteostasis Therapeutics Inc.	PTI	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1005561	J Peter Barris	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1235112	J Patrick Kerins	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1237289	D Scott Sandell	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1270521	Kittu Krishna Kolluri	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1277631	Forest Baskett	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1383389	Nea 12 Gp, Llc	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1383390	Nea Partners 12, Limited Partnership	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No
1383391	New Enterprise Associates 12, Limited Partnership	1954 Greenspring Drive Suite 600 Timonium MD 21093	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2016-02-17	2,192,748	$0.00	2,192,748	No	4	C	Direct
Common Stock	Acquisiton	2016-02-17	900,324	$8.00	3,093,072	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Direct
No	4	P	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A Convertible Redeemable Preferred Stock	Disposition	2016-02-17	13,848,000	$0.00	1,783,531	$0.00
Common Stock	Series B Convertible Redeemable Preferred Stock	Disposition	2016-02-17	4,423,723	$0.00	409,217	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	C	Direct
0			No	4	C	Direct

Footnotes

This transaction represents the total number of shares of Common Stock of the Issuer (the "Issuer Common Stock") received upon the conversion of the Issuer's Series A Convertible Redeemable Preferred Stock (the "Series A Shares"), the payment of accrued dividends on the Series A Shares and the conversion of the Issuer's Series B Convertible Redeemable Preferred Stock ( collectively, the "Preferred Shares").
The shares are directly held by New Enterprise Associates 12, Limited Partnership ("NEA 12") and indirectly held by NEA Partners 12, Limited Partnership ("NEA Partners 12"), the sole general partner of NEA 12, NEA 12 GP, LLC ("NEA 12 GP"), the sole general partner of NEA Partners 12, and the individual managers of NEA 12 GP (NEA Partners 12, NEA 12 GP and the individual managers of NEA 12 GP together, the "NEA 12 Indirect Reporting Persons"). The individual managers of NEA 12 GP are M. James Barrett, Peter J. Barris, Forest Baskett, Patrick J. Kerins, Krishna "Kittu" Kolluri, and Scott D. Sandell. The NEA 12 Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 12 shares in which the NEA 12 Indirect Reporting Persons have no pecuniary interest.
These securities were purchased in the initial public offering of the Issuer.
The Preferred Shares automatically converted into Issuer Common Stock on a 10.8102-to-1 basis upon the closing of the initial public offering of the Issuer without payment or further consideration. The Preferred Shares were convertible at any time at the election of the Reporting Person and had no expiration date.
These securities include shares of Issuer Common Stock received as payment for accrued dividends on the Series A Shares.