Rhythm Metabolic, Inc.

Rhythm Metabolic, Inc. 855 Boylston Street 11th Floor Boston, MA 02116
Locations Update This Record Cases by Outcome Cases by Type	SEC CIK 1649904

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Rhythm Metabolic, Inc. has not been involved in any litigation in the PlainSite database.

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Outside Counsel (3)

	Last Name	First Name	Middle Name	Firm	Location
	Abelleira.	Susan	M.	Hamilton Brook Smith & Reynolds, PC	Concord , MA
	Abelleira.	Susan	M.		CONCORD, MA
	Kagan	Paralegal	Jennifer	Morgan, Lewis & Bockius, LLP	Boston, MA

3 Rows Total

Filter By Form All Records 10-K 10-Q 3 4 424B4 424B5 5 8-A12B 8-K CERTNAS CORRESP CT ORDER D D/A DEF 14A DRS DRS/A DRSLTR EFFECT S-1 S-1/A S-1MEF S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A UPLOAD From To

	Date	Entity	Form Number	Description
	1/9/2026		8-K	Current report pursuant to Section 13 or 15(d)
	12/19/2025		8-K	Current report pursuant to Section 13 or 15(d)
	12/15/2025	Cramer Pamela J.	4	Statement of changes in beneficial ownership of securities
	12/11/2025		8-K	Current report pursuant to Section 13 or 15(d)
	12/11/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	11/24/2025	Cramer Pamela J.	4	Statement of changes in beneficial ownership of securities
	11/20/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	11/14/2025		SCHEDULE 13G/A
	11/12/2025	Cramer Pamela J.	4	Statement of changes in beneficial ownership of securities
	11/10/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	11/7/2025		8-K	Current report pursuant to Section 13 or 15(d)
	11/7/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	11/4/2025		8-K	Current report pursuant to Section 13 or 15(d)
	11/4/2025		10-Q
	11/3/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	10/30/2025		SCHEDULE 13G/A
	10/30/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	10/30/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	10/28/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	10/20/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	10/16/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	9/4/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	9/2/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	8/25/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	8/21/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	8/14/2025		SCHEDULE 13G/A
	8/14/2025		SCHEDULE 13G/A
	8/14/2025	Smith Hunter C	4	Statement of changes in beneficial ownership of securities
	8/14/2025	German Christopher Paul	4	Statement of changes in beneficial ownership of securities
	8/13/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	8/12/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	8/12/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	8/11/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	8/5/2025		8-K	Current report pursuant to Section 13 or 15(d)
	8/5/2025		10-Q
	7/29/2025	Cramer Pamela J.	4	Statement of changes in beneficial ownership of securities
	7/11/2025		8-K	Current report pursuant to Section 13 or 15(d)
	7/11/2025	Smith Hunter C	4	Statement of changes in beneficial ownership of securities
	7/11/2025	Shulman Joseph	4	Statement of changes in beneficial ownership of securities
	7/11/2025	German Christopher Paul	4	Statement of changes in beneficial ownership of securities
	7/11/2025	Cramer Pamela J.	4	Statement of changes in beneficial ownership of securities
	7/10/2025		424B5
	7/9/2025		8-K	Current report pursuant to Section 13 or 15(d)
	7/9/2025		424B5
	7/9/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	7/9/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	7/9/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	7/9/2025		144	Notice of proposed sale of securities pursuant to Rule 144 under...
	7/8/2025	Smith Hunter C	4	Statement of changes in beneficial ownership of securities
	7/3/2025	Garfield Alastair	4	Statement of changes in beneficial ownership of securities

749 Rows Total	Page 1 of 15 | Go To

	Date Recorded	Party	Role	Document Type	Document No.	Invention Title
	9/8/2023	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	17401929 20220160818	Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication	17401929 20220160818	Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Sharma, Shubh	Assignor	Application Publication	17401929 20220160818	Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Henderson, Bart T.	Assignor	Application Publication	17401929 20220160818	Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Patent	17401929 20220160818 12285460	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication Patent	17401929 20220160818 12285460	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Sharma, Shubh	Assignor	Application Publication Patent	17401929 20220160818 12285460	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	9/8/2023	Henderson, Bart T.	Assignor	Application Publication Patent	17401929 20220160818 12285460	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	7/15/2021	Rhythm Pharmaceuticals, Inc.	Assignor	Application Publication Application	17097122 20210061852 11702448
	7/15/2021	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Patent	17097122 20210061852 11702448	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	10/20/2020	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication Patent	16216116 20190092815 10858399	Peptide Compositions Peptide Compositions Peptide Compositions
	10/20/2020	Henderson, Bart	Assignor	Application Publication Patent	16216116 20190092815 10858399	Peptide Compositions Peptide Compositions Peptide Compositions
	10/20/2020	Sharma, Shubh	Assignor	Application Publication Patent	16216116 20190092815 10858399	Peptide Compositions Peptide Compositions Peptide Compositions
	10/20/2020	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Patent	16216116 20190092815 10858399	Peptide Compositions Peptide Compositions Peptide Compositions
	10/7/2020	Rhythm Pharmaceuticals, Inc.	Assignor	Application Publication	16383889 20200017546	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	10/7/2020	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	16383889 20200017546	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	10/7/2020	Rhythm Pharmaceuticals, Inc.	Assignor	Application Publication Patent	16383889 20200017546 10954268	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	10/7/2020	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Patent	16383889 20200017546 10954268	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	7/12/2018	Rhythm Pharmaceuticals, Inc.	Assignor	Application Publication	15789118 20180194803
	7/12/2018	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	15789118 20180194803	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	7/12/2018	Rhythm Pharmaceuticals, Inc.	Assignor	Application Publication Application	15789118 20180194803 10167312	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	7/12/2018	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Application	15789118 20180194803 10167312	Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter... Method Of Treating Melanocortin-4 Receptor-associated Disorders In Heter...
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	14775916 20160017001	Peptide Compositions Peptide Compositions
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	14369116 20140329743	Method of Treating Melanocortin-4 Receptor-Associated Disorders in Heter... Method of Treating Melanocortin-4 Receptor-Associated Disorders in Heter...
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication	14775911 20160022764	Pharmaceutical Compositions Pharmaceutical Compositions
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Application	14369116 20140329743 9845339	Method of Treating Melanocortin-4 Receptor-Associated Disorders in Heter... Method of Treating Melanocortin-4 Receptor-Associated Disorders in Heter...
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Application	14775916 20160017001 10196425	Peptide Compositions Peptide Compositions
	11/12/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application Publication Application	14775911 20160022764 11129869	Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication	14775911 20160022764	Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Henderson, Bart	Assignor	Application Publication	14775911 20160022764	Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Sharma, Shubh	Assignor	Application Publication	14775911 20160022764	Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication Patent	14775911 20160022764 11129869	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Henderson, Bart	Assignor	Application Publication Patent	14775911 20160022764 11129869	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	10/16/2014	Sharma, Shubh	Assignor	Application Publication Patent	14775911 20160022764 11129869	Pharmaceutical Compositions Pharmaceutical Compositions Pharmaceutical Compositions
	6/19/2014	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication	14775916 20160017001	Method And Radio Node For Controlling Change Of Communication Mode Method And Radio Node For Controlling Change Of Communication Mode
	6/19/2014	Henderson, Bart	Assignor	Application Publication	14775916 20160017001	Method And Radio Node For Controlling Change Of Communication Mode Method And Radio Node For Controlling Change Of Communication Mode
	6/19/2014	Sharma, Shubh	Assignor	Application Publication	14775916 20160017001	Method And Radio Node For Controlling Change Of Communication Mode Method And Radio Node For Controlling Change Of Communication Mode
	6/19/2014	Van Der Ploeg, Leonardus H.t.	Assignor	Application Publication Patent	14775916 20160017001 10196425	Peptide Compositions Peptide Compositions Peptide Compositions
	6/19/2014	Henderson, Bart	Assignor	Application Publication Patent	14775916 20160017001 10196425	Peptide Compositions Peptide Compositions Peptide Compositions
	6/19/2014	Sharma, Shubh	Assignor	Application Publication Patent	14775916 20160017001 10196425	Peptide Compositions Peptide Compositions Peptide Compositions
	12/6/2013	Rhythm Pharmaceuticals, Inc.	Assignor	Application Application	14369116 9845339	Method of Treating Melanocortin-4 Receptor-Associated Disorders in Heter...

41 Rows Total

	Date Recorded	Party	Role	Document Type	Document No.	Image
	10/14/2015	Rhythm Holding Company, LLC	Assignor	Trademark	4035686
	10/14/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Trademark	4035686
	10/14/2015	Rhythm Holding Company, LLC	Assignor	Trademark	4046497
	10/14/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Trademark	4046497
	10/14/2015	Rhythm Holding Company, LLC	Assignor	Application	77934236
	10/14/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application	77934236
	10/14/2015	Rhythm Holding Company, LLC	Assignor	Application	85096215
	10/14/2015	Rhythm Pharmaceuticals, Inc.	Assignee	Application	85096215

8 Rows Total

Corporate Family (47)

Track Corporate Family

• Arbuckle Stuart A, None
• Baker Felix, None
• Barrett M James, None
• Barris Peter J, None
• Baskett, Forest, None
• Bedrosian, Camille L., None
• Chien, Jennifer, None
• cleantech Acquisition Corp., None
• Cramer Pamela J., None
• Desikan Nithya, None
• Evnin, Luke, None
• Exter, Neil, None
• Fiedorek Fred T., None
• Flynn, James E., None
• Foley Todd, None
• Garfield Alastair, None
• German Christopher Paul, None
• Good Jennifer L, None
• Gottesdiener Keith Michael, None
• Hadley Harbor Master Investors (Cayman) L.P., None
• Ipsen S.a., None
• Isaly Samuel D, None
• Jean Christophe, None
• Kelner Simon, None
• Kerins Patrick J, None
• Kolchinsky Peter, None
• Manning Linda Shapiro, None
• Mathers Edward T, None
• Mazabraud Yann, None
• Mcgirr David W J, None
• Meeker, David P., None
• Mott, David M., None
• New Enterprise Associates 13 Lp, None
• Orbimed Advisors, LLC, None
• Pfizer, Inc., None
• Ra Capital Management, LLC, None
• Roberts, William T., None
• Sandell Scott D, None
• Shulman Joseph, None
• Silverstein Jonathan, None
• Smith Hunter C, None
• Starr Kevin P, None
• Stewart Murray, None
• Tetrault Lynn A., None
• Third Rock Ventures, LP, None
• Van Der Ploeg, Leonardus H.t., None
• Viswanathan, Ravi, None

Subsidiaries

• Baker Felix
• Hadley Harbor Master Investors (Cayman) L.P.
• Silverstein Jonathan
• Isaly Samuel D
• Ipsen S.a.
• Pfizer, Inc.
• Gottesdiener Keith Michael
• Meeker, David P.
• Flynn, James E.
• New Enterprise Associates 13 Lp
• Barrett M James
• Barris Peter J
• Baskett, Forest
• Kerins Patrick J
• Mott, David M.
• Sandell Scott D
• Viswanathan, Ravi
• Starr Kevin P
• Foley Todd
• Evnin, Luke
• Exter, Neil
• Van Der Ploeg, Leonardus H.t.
• Desikan Nithya
• Fiedorek Fred T.
• Smith Hunter C
• Orbimed Advisors, LLC
• Mcgirr David W J
• Jean Christophe
• Kelner Simon
• Mathers Edward T
• Third Rock Ventures, LP
• Stewart Murray
• Good Jennifer L
• Arbuckle Stuart A
• Ra Capital Management, LLC
• Mazabraud Yann
• Chien, Jennifer
• Bedrosian, Camille L.
• Tetrault Lynn A.
• Kolchinsky Peter
• Roberts, William T.
• cleantech Acquisition Corp.
• Manning Linda Shapiro
• Shulman Joseph
• Cramer Pamela J.
• German Christopher Paul
• Garfield Alastair

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