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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1631650	Aimmune Therapeutics Inc.	AIMT	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1431159	Juliet Bakker Tammenoms	C/O Longitude Capital Partners, Llc 2740 Sand Hill Road, 2Nd Floor Menlo Park CA 94025		No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2018-02-22	9,375	$32.00	16,651	No	4	P	Direct

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	6,013,134	Indirect	By LVP2

Footnotes

The shares were purchased in the Issuer's underwritten public offering closed on February 26, 2018.
Reflects shares held by Longitude Venture Partners II, L.P. ("LVP2"). Longitude Capital Partners II, LLC ("LCP2") is the general partner of LVP2 and may be deemed to share voting and investment power over the shares of the Issuer held by LVP2. The reporting person is a managing member of LCP2 and may be deemed to share voting and investment power over the shares of the Issuer held by LVP2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.