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Filing Details

Accession Number:: 0000899243-19-020026
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2019-07-22 16:34:59
Reporting Period:: 2019-07-22

Accepted Time:: 2019-07-22 16:34:59
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1680581	Fulcrum Therapeutics Inc.	FULC	()	4

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1192595	I Robert Tepper	29 Newbury Street, 3Rd Floor Boston MA 02116	No	No	Yes	No
1192603	P Kevin Starr	29 Newbury Street, 3Rd Floor Boston MA 02116	No	No	Yes	No
1569705	Third Rock Ventures Iii, L.p.	C/O Third Rock Ventures, Llc, 29 Newbury Street, 3Rd Floor Boston MA 02116	No	No	Yes	No
1637299	Trv Gp Iii, Llc	29 Newbury Street, 3Rd Floor Boston MA 02116	No	No	Yes	No
1637300	Third Rock Ventures Gp Iii, L.p.	29 Newbury Street, 3Rd Floor Boston MA 02116	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	2019-07-22	5,595,238	$0.00	5,880,952	No	4	C	Direct
Common Stock	Acquisiton	2019-07-22	81,250	$16.00	5,962,202	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
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 A Preferred Stock	Disposition	2019-07-22	39,166,667	$0.00	5,595,238	$0.00
Common Stock	Series A Preferred Stock	Disposition	2019-07-22	0	$0.00	0	$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 shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III LP"). The general partner of TRV GP III LP is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III LP, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.
As of the date of this filing, Third Rock Ventures IV, L.P. ("TRV IV") holds 2,261,904 shares of Common Stock issued upon conversion of 15,833,333 shares of Series A Preferred Stock. The general partner of TRV IV is Third Rock Ventures GP IV, L.P. ("TRV GP IV"). The general partner of TRV GP IV is TRV GP IV, LLC ("TRV GP IV LLC"). Abbie Celniker, Ph.D., Tepper, Alexis Borisy, Craig Muir and Cary Pfeffer, M.D. are the managing members of TRV IV LLC who collectively make voting and investment decisions with respect to shares held by TRV IV LP. Tepper disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such shares.
On July 22, 2019, the Series A Preferred Stock converted into Common Stock on a seven-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial pubic offering. The shares had no expiration date.