SEC Form 4 reporting owner

Smith Hunter C

Smith Hunter C has filed 36 Form 4 transactions reported between February 1, 2026 and August 31, 2026, as Chief Financial Officer of RHYTHM PHARMACEUTICALS, INC..

Name as filed: Smith Hunter C

Open-market buys, 24 mo

None

reported

Open-market sales, 24 mo

$8.8M

25 lines

Companies

with Form 4 filings

Latest transaction

Aug 31, 2026

transaction date

Roles and reported holdings

RYTMRHYTHM PHARMACEUTICALS, INC.
Feb 1, 2026 – Aug 31, 2026
Chief Financial Officer
Held directly114,024 sh as of Aug 31, 2026 · Form 4
24 months: $8.8M sold

Transaction history

All 36 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

Date	Company	Type	Shares	Price	Value	Owned after	Filing
Aug 31, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	28,188	$106.20	$3.0M@ $106.20	114,024	Form 4
Aug 31, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	11,514	$105.37	$1.2M@ $105.37	142,212	Form 4
Aug 31, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	23,072	$104.59	$2.4M@ $104.59	153,726	Form 4
Aug 31, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	57,187	$25.79	$1.5M@ $25.79	176,798	Form 4
May 18, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	3,000	$17.87	$54K@ $17.87	119,611	Form 4
Mar 2, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	6,099	$6.80	$41K@ $6.80	116,611	Form 4
Feb 19, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	585	$103.28	$60K@ $103.28	110,512	Form 4
Feb 19, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	800	$102.10	$82K@ $102.10	111,097	Form 4
Feb 19, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,692	$100.92	$171K@ $100.92	111,897	Form 4
Feb 19, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,308	$100.27	$131K@ $100.27	113,589	Form 4
Feb 17, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,069	$103.00	$110K@ $103.00	115,097	Form 4
Feb 17, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	900	$101.70	$92K@ $101.70	116,166	Form 4
Feb 17, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	200	$100.52	$20K@ $100.52	117,066	Form 4
Feb 17, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,200	$99.42	$119K@ $99.42	117,266	Form 4
Feb 12, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	100	$100.10	$10K@ $100.10	118,466	Form 4
Feb 12, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	800	$98.99	$79K@ $98.99	118,566	Form 4
Feb 12, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	400	$97.67	$39K@ $97.67	119,366	Form 4
Feb 12, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	292	$96.26	$28K@ $96.26	119,766	Form 4
Feb 11, 2026	RYTMChief Financial Officer	Grant or awardCode A · direct	37,500	—	—	37,500	Form 4
Feb 11, 2026	RYTMChief Financial Officer	Grant or awardCode A · direct	25,000	—	—	25,000	Form 4
Feb 11, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	100	$100.85	$10K@ $100.85	120,058	Form 4
Feb 11, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	400	$99.44	$40K@ $99.44	120,158	Form 4
Feb 11, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	2,266	$98.37	$223K@ $98.37	120,558	Form 4
Feb 10, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	100	$104.76	$10K@ $104.76	122,824	Form 4
Feb 10, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	700	$103.68	$73K@ $103.68	122,924	Form 4
Feb 10, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,913	$102.66	$196K@ $102.66	123,624	Form 4
Feb 5, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	3,381	$106.06	$359K@ $106.06	125,537	Form 4
Feb 4, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	747	$107.67	$80K@ $107.67	128,918	Form 4
Feb 4, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,000	$106.60	$107K@ $106.60	129,665	Form 4
Feb 4, 2026	RYTMChief Financial Officer	Open-market saleCode S · direct	1,500	$104.74	$157K@ $104.74	130,665	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	10,413	—	—	31,237	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	6,600	—	—	13,200	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	4,925	—	—	4,925	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	4,062	—	—	0	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Shares withheld for tax or exercise priceCode F · direct	10,750	$108.99	$1.2M@ $108.99	132,165	Form 4
Feb 1, 2026	RYTMChief Financial Officer	Option exerciseCode M · direct	26,000	—	—	142,915	Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.