Home > Insider Trading > Filing (0000315066-17-002228)

Filing Details

Accession Number:: 0000315066-17-002228
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2017-03-10 15:36:45
Reporting Period:: 2017-03-08

Filing Date:: 2017-03-10
Accepted Time:: 2017-03-10 15:36:45
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1445283	Proteostasis Therapeutics Inc.	PTI	()	DE

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
315066	Fmr Llc	245 Summer Street Boston MA 02210		No	No	Yes	Yes

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2017-03-08	25,000	$12.10	297,808	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2017-03-09	2,500	$11.97	295,308	No	4	S	Indirect	See footnote
Common Stock	Disposition	2017-03-09	200	$11.78	295,108	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2017-03-09	400	$11.86	294,708	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2017-03-09	400	$11.91	294,308	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2017-03-09	800	$11.96	293,508	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See footnote

Footnotes

By Impresa Fund III Limited Partnership (288,685 shares of Common Stock) and F-Prime Inc. (4,823 shares of Common Stock). Impresa Fund III Limited Partnership is solely managed by Impresa Management LLC, its general partner and investment manager. Impresa Management LLC is owned, directly or indirectly, by various shareholders and employees of FMR LLC, including certain members of the Johnson family. F-Prime Inc. is a wholly-owned subsidiary of FMR LLC.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.81 to $12.77. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.90 to $12.05. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.72 to $11.84. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.78 to $11.95. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.63 to $12.04. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
The price reported for this transaction is the weighted average price of multiple trades at prices ranging from $11.89 to $11.98. FMR LLC hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.