Yann Mazabraud - 11 Feb 2026 Form 4 Insider Report for RHYTHM PHARMACEUTICALS, INC. (RYTM)

Signature
/s/ Stephen Vander Stoep, attorney-in-fact for Yann Mazabraud
Issuer symbol
RYTM
Transactions as of
11 Feb 2026
Net transactions value
$0
Form type
4
Filing time
13 Feb 2026, 17:50:56 UTC
Previous filing
03 Feb 2026
Next filing
18 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mazabraud Yann EVP, Head of International 222 BERKELEY STREET, 12TH FLOOR, BOSTON /s/ Stephen Vander Stoep, attorney-in-fact for Yann Mazabraud 13 Feb 2026 0001774702

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 Award $0 +23,350 $0.000000 23,350 11 Feb 2026 Common Stock 23,350 Direct F1, F2
* 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 restricted stock units vest as to 25% of the total shares on each of March 1, 2027, February 1, 2028, February 1, 2029 and February 1, 2030. The restricted stock units have no expiration date.