Mathers Edward T. - 18 Jun 2025 Form 4 Insider Report for RHYTHM PHARMACEUTICALS, INC. (RYTM)

Role
Director
Signature
/s/ Zachary Bambach, attorney-in-fact
Issuer symbol
RYTM
Transactions as of
18 Jun 2025
Net transactions value
$0
Form type
4
Filing time
23 Jun 2025, 16:57:17 UTC
Previous filing
13 Jun 2025
Next filing
26 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mathers Edward T Director 104 5TH AVE, NEW YORK /s/ Zachary Bambach, attorney-in-fact 23 Jun 2025 0001328625

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RYTM Common Stock Options Exercise +4,000 +133% 7,000 18 Jun 2025 Direct F1
holding RYTM Common Stock 5,771 18 Jun 2025 See Note 2 F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RYTM Restricted Stock Units Options Exercise $0 -4,000 -100% $0.000000 0 18 Jun 2025 Common Stock 4,000 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F2 The Reporting Person is the trustee of the Edward Timothy Mathers Revocable Trust (the "Mathers Trust"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by the Mathers Trust in which the Reporting Person has no pecuniary interest.
F3 The restricted stock units fully vested on June 18, 2025. The restricted stock units have no expiration date.