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Filing Details

Accession Number:: 0000899243-17-027103
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2017-11-20 21:56:51
Reporting Period:: 2017-11-20

Accepted Time:: 2017-11-20 21:56:51
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1501697	Arsanis Inc.	ASNS	Biological Products, (No Disgnostic Substances) (2836)	273181608

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1646114	Frank Muhlenbeck	Boxbergring 107 Heidelberg 69126	No	No	Yes	No
1722440	Stefan Herr	Boxbergring 107 Heidelberg 2M 69126	No	No	Yes	No
1722536	Jan Adams	Boxbergring 107 Heidelberg 2M 69126	No	No	Yes	No
1722603	Gmbh Verwaltungs Ventures Embl	Boxbergring 107 Heidelberg 2M 69126	No	No	Yes	No
1722607	Embl Technology Fund Ii Gmbh & Co. Kg	Boxbergring 107 Heidelberg 2M 69126	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
Common Stock	Acquisiton	2017-11-20	103,278	$0.00	103,278	No	4	C	Direct
Common Stock	Acquisiton	2017-11-20	247,176	$0.00	350,454	No	4	C	Direct
Common Stock	Acquisiton	2017-11-20	20,000	$10.00	370,454	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	C	Direct
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 C Convertible Preferred Stock	Disposition	2017-11-20	207,253	$0.00	103,278	$0.00
Common Stock	Series D Convertible Preferred Stock	Disposition	2017-11-20	843,613	$0.00	247,176	$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

The Series C Convertible Preferred Stock converted into Common Stock on a 0.49832-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series C Convertible Preferred Stock was convertible at any time at the holder's election and automatically upon the closing at the Issuer's initial public offering. The shares had no expiration date.
The Series D Convertible Preferred Stock converted into Common Stock on a 0.29300-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series D Convertible Preferred Stock was convertible at any time at the holder's election and automatically upon the closing at the Issuer's initial public offering. The shares had no expiration date.
The reported securities are held of record by EMBL Technology Fund II GmbH & Co. KG ("EMBL"). EMBL Ventures Verwaltungs GmbH is the general partner of EMBL. Dr. Jan Adams, Dr. Frank Muhlenbeck and Dr. Stefan Herr are the Managing Directors of EMBL Ventures Verwaltungs GmbH. By virtue of such relationships, EMBL Ventures Verwaltungs GmbH, Dr. Adams, Dr. Frank Muhlenbeck and Dr. Herr may be deemed to have voting and investment power with respect to the securities held by EMBL. Each of EMBL Ventures Verwaltungs GmbH, Dr. Adams, Dr. Frank Muhlenbeck and Dr. Herr disclaims beneficial ownership of these securities and this report shall not be deemed to be an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or any other purpose, except to the extent of their pecuniary interest therein.