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Filing Details

Accession Number:: 0001104659-20-103551
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2020-09-09 19:41:01
Reporting Period:: 2020-09-04

Accepted Time:: 2020-09-09 19:41:01
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1496323	Igm Biosciences Inc.	IGMS	()	DE

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1425738	Redmile Group, Llc	One Letterman Drive, Building D Suite D3-300 San Francisco CA 94129		Yes	No	Yes	No
1650527	Jeremy Green	C/O Redmile Group, Llc One Letterman Drive, Building D Suite D3-300 San Francisco CA 94129		Yes	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	2020-09-04	74,433	$50.28	3,355,438	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2020-09-08	47,113	$49.91	3,402,551	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2020-09-09	14,610	$52.96	3,417,161	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2020-09-09	8,650	$51.85	3,425,811	No	4	P	Indirect	See Footnote

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

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $49.9493 to $50.3854, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price.
These securities are directly owned by certain private investment vehicles and separately managed accounts managed by Redmile Group, LLC ("Redmile") and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles and separately managed accounts. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
Michael Lee, a member of the board of directors of the Issuer and a managing director of Redmile, was elected to the board of the Issuer as a representative of Redmile. As a result, the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $49.8712 to $49.9593, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price.