Stocks
RYTM Rhythm Pharmaceuticals, Inc.

RYTM

Rhythm Pharmaceuticals, Inc.

Company with tickers: RYTM

CIK

1649904

CUSIP

76243J105

Shares Outstanding

68,532,607

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-18	Smith Hunter C	Chief Financial Officer	Convert	3,000	$17.87	$53,610	119,611
2026-05-18	Smith Hunter C	Chief Financial Officer	Convert	3,000	—	—	79,000
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,406	—	—	2,325
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,687	—	—	3,713
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,349	$49.23	$66,411	3,237
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,349	—	—	2,701
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Sell	4,643	$92.21	$428,131	0
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,406	$17.97	$25,266	4,643
2026-05-15	German Christopher Paul	Corporate Controller & CAO	Convert	1,687	$56.69	$95,636	1,888
2026-04-01	Popovits Kimberly J	Director	Other	0	—	—	0
2026-04-01	Mazabraud Yann	EVP, Head of International	Convert	10,375	—	—	10,375
2026-04-01	Mazabraud Yann	EVP, Head of International	Convert	2,500	—	—	5,000
2026-04-01	Mazabraud Yann	EVP, Head of International	Convert	12,875	—	—	66,030
2026-04-01	Popovits Kimberly J	Director	Award	10,257	—	—	10,257
2026-04-01	Popovits Kimberly J	Director	Award	6,808	—	—	6,808
2026-03-12	Mathers Edward T	10% Owner	Other	7,000	—	—	7,000
2026-03-12	Mathers Edward T	10% Owner	Other	4,199	—	—	14,168
2026-03-04	German Christopher Paul	Corporate Controller & CAO	Convert	1,500	$17.97	$26,955	5,753
2026-03-04	German Christopher Paul	Corporate Controller & CAO	Convert	1,500	—	—	3,731
2026-03-04	German Christopher Paul	Corporate Controller & CAO	Sell	5,614	$89.56	$502,790	160
2026-03-02	Mazabraud Yann	EVP, Head of International	Award	35,000	—	—	35,000
2026-03-02	Mathers Edward T	10% Owner	Other	7,000	—	—	7,000
2026-03-02	Mathers Edward T	10% Owner	Other	4,198	—	—	9,969
2026-03-02	Smith Hunter C	Chief Financial Officer	Convert	6,099	$6.80	$41,473	116,611
2026-03-02	Smith Hunter C	Chief Financial Officer	Convert	6,099	—	—	91,401
2026-03-01	German Christopher Paul	Corporate Controller & CAO	Convert	1,162	—	—	4,595
2026-03-01	German Christopher Paul	Corporate Controller & CAO	Tax	342	$94.94	$32,469	4,253
2026-03-01	German Christopher Paul	Corporate Controller & CAO	Convert	1,162	—	—	1,162
2026-02-19	Smith Hunter C	Chief Financial Officer	Sell	800	$102.10	$81,676	111,097
2026-02-19	Smith Hunter C	Chief Financial Officer	Sell	1,692	$100.92	$170,755	111,897
2026-02-19	Smith Hunter C	Chief Financial Officer	Sell	1,308	$100.27	$131,153	113,589
2026-02-19	Smith Hunter C	Chief Financial Officer	Sell	585	$103.28	$60,420	110,512
2026-02-17	Smith Hunter C	Chief Financial Officer	Sell	1,200	$99.42	$119,298	117,266
2026-02-17	Smith Hunter C	Chief Financial Officer	Sell	900	$101.70	$91,530	116,166
2026-02-17	Smith Hunter C	Chief Financial Officer	Sell	1,069	$103.00	$110,110	115,097
2026-02-17	Smith Hunter C	Chief Financial Officer	Sell	200	$100.52	$20,104	117,066
2026-02-17	Smith Hunter C	Chief Financial Officer	Sell	200	$103.84	$20,768	114,897
2026-02-14	Mazabraud Yann	EVP, Head of International	Convert	10,000	—	—	53,155
2026-02-14	Mazabraud Yann	EVP, Head of International	Convert	10,000	—	—	30,000
2026-02-12	Smith Hunter C	Chief Financial Officer	Sell	100	$100.10	$10,010	118,466
2026-02-12	Smith Hunter C	Chief Financial Officer	Sell	400	$97.67	$39,069	119,366
2026-02-12	Smith Hunter C	Chief Financial Officer	Sell	292	$96.26	$28,109	119,766
2026-02-12	Smith Hunter C	Chief Financial Officer	Sell	800	$98.99	$79,192	118,566
2026-02-11	German Christopher Paul	Corporate Controller & CAO	Award	5,215	—	—	5,215
2026-02-11	Garfield Alastair	Chief Scientific Officer	Award	25,000	—	—	25,000
2026-02-11	Garfield Alastair	Chief Scientific Officer	Award	16,650	—	—	16,650
2026-02-11	Cramer Pamela J.	Chief Human Resources Officer	Award	17,500	—	—	17,500
2026-02-11	Cramer Pamela J.	Chief Human Resources Officer	Award	11,650	—	—	11,650
2026-02-11	Lee Jennifer Kayden	EVP, Head of North America	Award	32,500	—	—	32,500
2026-02-11	Lee Jennifer Kayden	EVP, Head of North America	Award	21,650	—	—	21,650
2026-02-11	Shulman Joseph	Chief Technical Officer	Award	15,000	—	—	15,000
2026-02-11	Shulman Joseph	Chief Technical Officer	Award	22,500	—	—	22,500
2026-02-11	Meeker David P	Director, President and CEO	Award	107,850	—	—	107,850
2026-02-11	Meeker David P	Director, President and CEO	Award	71,900	—	—	71,900
2026-02-11	Mazabraud Yann	EVP, Head of International	Award	23,350	—	—	23,350
2026-02-11	Smith Hunter C	Chief Financial Officer	Award	25,000	—	—	25,000
2026-02-11	Smith Hunter C	Chief Financial Officer	Sell	2,266	$98.37	$222,906	120,558
2026-02-11	Smith Hunter C	Chief Financial Officer	Sell	400	$99.44	$39,775	120,158
2026-02-11	Smith Hunter C	Chief Financial Officer	Award	37,500	—	—	37,500
2026-02-11	Smith Hunter C	Chief Financial Officer	Sell	100	$100.85	$10,085	120,058
2026-02-10	Smith Hunter C	Chief Financial Officer	Sell	100	$104.76	$10,476	122,824
2026-02-10	Smith Hunter C	Chief Financial Officer	Sell	700	$103.68	$72,574	122,924
2026-02-10	Smith Hunter C	Chief Financial Officer	Sell	1,913	$102.66	$196,380	123,624
2026-02-05	Smith Hunter C	Chief Financial Officer	Sell	3,381	$106.06	$358,599	125,537
2026-02-04	Smith Hunter C	Chief Financial Officer	Sell	747	$107.67	$80,426	128,918
2026-02-04	Smith Hunter C	Chief Financial Officer	Sell	1,500	$104.74	$157,115	130,665
2026-02-04	Smith Hunter C	Chief Financial Officer	Sell	1,000	$106.60	$106,604	129,665
2026-02-01	Shulman Joseph	Chief Technical Officer	Convert	2,656	—	—	0
2026-02-01	Shulman Joseph	Chief Technical Officer	Convert	6,250	—	—	18,750
2026-02-01	Shulman Joseph	Chief Technical Officer	Tax	6,507	$108.99	$709,198	18,970
2026-02-01	Shulman Joseph	Chief Technical Officer	Convert	16,968	—	—	25,477
2026-02-01	Shulman Joseph	Chief Technical Officer	Convert	3,937	—	—	3,937
2026-02-01	Shulman Joseph	Chief Technical Officer	Convert	4,125	—	—	8,250
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Convert	2,650	—	—	2,650
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Convert	5,000	—	—	15,000
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Convert	2,343	—	—	0
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Convert	3,300	—	—	6,600
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Convert	13,293	—	—	34,107
2026-02-01	Cramer Pamela J.	Chief Human Resources Officer	Tax	4,731	$108.99	$515,632	29,376
2026-02-01	Mazabraud Yann	EVP, Head of International	Convert	5,500	—	—	43,155
2026-02-01	Mazabraud Yann	EVP, Head of International	Convert	5,500	—	—	11,000
2026-02-01	Smith Hunter C	Chief Financial Officer	Convert	26,000	—	—	142,915
2026-02-01	Smith Hunter C	Chief Financial Officer	Convert	6,600	—	—	13,200
2026-02-01	Smith Hunter C	Chief Financial Officer	Convert	4,062	—	—	0
2026-02-01	Smith Hunter C	Chief Financial Officer	Convert	10,413	—	—	31,237
2026-02-01	Smith Hunter C	Chief Financial Officer	Tax	10,750	$108.99	$1,171,643	132,165
2026-02-01	Smith Hunter C	Chief Financial Officer	Convert	4,925	—	—	4,925
2026-02-01	Garfield Alastair	Chief Scientific Officer	Convert	6,663	—	—	9,789
2026-02-01	Garfield Alastair	Chief Scientific Officer	Convert	6,663	—	—	19,987
2026-02-01	Garfield Alastair	Chief Scientific Officer	Tax	2,026	$108.99	$220,814	7,763
2026-02-01	Meeker David P	Director, President and CEO	Convert	33,338	—	—	100,012
2026-02-01	Meeker David P	Director, President and CEO	Convert	68,713	—	—	270,538
2026-02-01	Meeker David P	Director, President and CEO	Tax	31,522	$108.99	$3,435,583	239,016
2026-02-01	Meeker David P	Director, President and CEO	Convert	14,125	—	—	14,125
2026-02-01	Meeker David P	Director, President and CEO	Convert	21,250	—	—	42,500
2026-02-01	Lee Jennifer Kayden	EVP, Head of North America	Tax	9,237	$108.99	$1,006,741	19,233
2026-02-01	Lee Jennifer Kayden	EVP, Head of North America	Convert	5,500	—	—	11,000
2026-02-01	Lee Jennifer Kayden	EVP, Head of North America	Convert	9,163	—	—	27,487
2026-02-01	Lee Jennifer Kayden	EVP, Head of North America	Convert	3,437	—	—	0
2026-02-01	Lee Jennifer Kayden	EVP, Head of North America	Convert	4,512	—	—	4,512