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Filing Details

Accession Number:: 0001209191-21-030626
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-05-06 13:00:00
Reporting Period:: 2021-05-04

Accepted Time:: 2021-05-06 16:20:40
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1785530	Werewolf Therapeutics Inc.	HOWL	()	4

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1473930	Todd Foley	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	No	No	Yes	No
1609492	Mpm Bioventures 2014, L.p.	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	No	No	Yes	No
1609493	Mpm Bioventures 2014 (B), L.p.	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	No	No	Yes	No
1609495	Mpm Asset Management Investors Bv2014 Llc	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	No	No	Yes	No
1765021	Mpm Bioventures 2014 Llc	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	No	No	Yes	No
1765091	Mpm Bioventures 2014 Gp Llc	C/O Mpm Capital 450 Kendall Street Cambridge MA 02142	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	2021-05-04	2,298,430	$0.00	2,298,430	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2021-05-04	763,809	$0.00	3,062,239	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2021-05-04	125,759	$16.00	3,187,998	No	4	P	Indirect	See Footnote

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A Preferred Stock	Disposition	2021-05-04	19,925,321	$0.00	2,298,430	$0.00
Common Stock	Series B Preferred Stock	Disposition	2021-05-04	6,621,546	$0.00	763,809	$0.00

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

Footnotes

Each share of Series A Preferred Stock and Series B Preferred Stock converted into common stock on a 8.6691-for-1 basis into the number of shares of common stock shown in Column 7 without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.
The shares are held as follows: 2,087,358 by MPM BioVentures 2014, L.P. ("BV 2014"), 139,224 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 71,848 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. Todd Foley is a Managing Director of BV LLC. Each Reporting Persons disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.
The shares are held as follows: 2,781,025 by BV 2014, 185,490 by BV 2014(B) and 95,724 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.
The shares were purchased as follows: 114,210 by BV 2014, 7,618 by BV 2014(B) and 3,931 by AM BV2014.
The shares are held as follows: 2,895,235 by BV 2014, 193,108 by BV 2014(B) and 99,655 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.
The shares were held as follows: 2,087,358 by BV 2014, 139,224 by BV 2014(B) and 71,848 by AM BV2014.
No securities held by the Reporting Persons.
The shares were held as follows: 693,667 by BV 2014, 46,266 by BV 2014(B) and 23,876 by AM BV2014.