Rtw Investments, Lp - Nov 12, 2025 Form 4 Insider Report for ALLURION TECHNOLOGIES, INC. (ALUR)

Signature
/s/ Roderick Wong, M.D. - For RTW Investments, L.P., By: Roderick Wong, M.D., Managing Partner
Stock symbol
ALUR
Transactions as of
Nov 12, 2025
Transactions value $
$3,100,001
Form type
4
Date filed
11/13/2025, 05:26 PM
Previous filing
Nov 7, 2025

Reporting Owners (4)

Name Relationship Address Signature Signature date CIK
RTW INVESTMENTS, LP Director, 10%+ Owner 40 10TH AVENUE, 7TH FLOOR, NEW YORK /s/ Roderick Wong, M.D. - For RTW Investments, L.P., By: Roderick Wong, M.D., Managing Partner 2025-11-13 0001493215
WONG RODERICK Director, 10%+ Owner 40 10TH AVENUE, 7TH FLOOR, NEW YORK /s/ Roderick Wong, M.D. 2025-11-13 0001493280
RTW MASTER FUND, LTD. Director, 10%+ Owner 40 10TH AVENUE, 7TH FLOOR, NEW YORK /s/ Darshan Patel - For RTW Master Fund, Ltd., By Darshan Patel, Director 2025-11-13 0001493219
RTW Innovation Master Fund Ltd. Director, 10%+ Owner 40 10TH AVENUE, 7TH FLOOR, NEW YORK /s/ Darshan Patel - For RTW Innovation Master Fund, Ltd., By Darshan Patel, Director 2025-11-13 0001776733

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALUR Common Stock, $0.0001 par value per share Award $1.66M +992K +46.18% $1.67 3.14M Nov 12, 2025 See footnotes F1, F2, F3
transaction ALUR Common Stock, $0.0001 par value per share Award $1.28M +768K +46.28% $1.67 2.43M Nov 12, 2025 See footnotes F1, F2, F4
transaction ALUR Common Stock, $0.0001 par value per share Award $162K +96.9K +47.95% $1.67 299K Nov 12, 2025 See footnotes F1, F2, F5
holding ALUR Common Stock, $0.0001 par value per share 26.6K Nov 12, 2025 See footnotes F2, F5

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 ALUR Warrant (Right to Buy) Award +992K 992K Nov 12, 2025 Common Stock 992K $1.67 See footnotes F1, F2, F3, F6
transaction ALUR Warrant (Right to Buy) Award +768K 768K Nov 12, 2025 Common Stock 768K $1.67 See footnotes F1, F2, F4, F6
transaction ALUR Warrant (Right to Buy) Award +96.9K 96.9K Nov 12, 2025 Common Stock 96.9K $1.67 See footnotes F1, F2, F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Persons acquired the shares of Common Stock and Warrants in a private placement by the Issuer. The purchase price per share of Common Stock and accompanying Warrant was $1.67 per share and accompanying Warrant.
F2 RTW Investments, LP (the "Adviser") manages certain funds that directly hold the securities reported herein, including RTW Master Fund, Ltd. ("Master Fund"), RTW Innovation Master Fund, Ltd. ("RTW Innovation") and other funds or accounts managed by the Adviser (each, an "Other RTW Fund"). Roderick Wong, M.D. serves as the Managing Partner and Chief Investment Officer of the Adviser. Each Reporting Person disclaims beneficial ownership of the securities reported on this Form 4 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
F3 Held directly by Master Fund.
F4 Held directly by RTW Innovation.
F5 Held by an Other RTW Fund.
F6 The Warrant is exercisable following receipt of the Stockholder Approval (as defined herein) at an exercise price of $1.67 per share and terminates on the five year anniversary of the date of the Stockholder Approval. The holder of the Warrant may not exercise such Warrant if the holder, together with its affiliates, would beneficially own more than 4.99% (or, at the election of the holder, 9.99%) of the number of shares of Common Stock outstanding immediately after giving effect to such exercise. The Issuer is required to use its reasonable best efforts to hold a meeting of stockholders no later than January 31, 2026 for the purpose of, among other things, obtaining stockholder approval of the issuance of the shares of Common Stock issuable upon exercise of the Warrants (the "Stockholder Approval").

Remarks:

Pursuant to the terms of the Amended Note Purchase Agreement, RTW Investments, LP has the right to designate two members of the Issuer's board of directors (the "Board"), and has designated Keith Johns and R. Jason Richey to the Board. Mr. Richey is a consultant of RTW Investments.