Allurion Technologies (ALUR) director files Form 4 on stock gifts and sales

Rhea-AI Filing Summary

Allurion Technologies, Inc. director insider transactions show a mix of gifts and small open-market sales of common stock following a reverse stock split. The filing notes that on January 3, 2025, Allurion implemented a 1-for-25 reverse stock split, and all share amounts in this report are adjusted for that change. On October 3, 2025 and November 26, 2025, the director reported code "G" transactions, reflecting transfers of common stock between direct holdings and an indirect position held through the Davin Family Nominee Trust, at a reported price of $0.00 per share.

On December 3, 2025 and December 4, 2025, the trust reported code "S" sales of 1,606 common shares on each date, at prices of $1.48 and $1.5821 per share, respectively, reducing the indirect holdings reported for the trust to zero. The filing explains that the shares attributed to the trust are held by the Davin Family Nominee Trust, for which the reporting person and spouse serve as trustees, and that the reporting person disclaims beneficial ownership beyond any pecuniary interest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Davin Michael R

(Last) (First) (Middle)

C/O ALLURION TECHNOLOGIES, INC.

11 HURON DRIVE

(Street)

NATICK MA 01760

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALLURION TECHNOLOGIES, INC. [ ALUR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/03/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/03/2025		G		604	D	$0.00	3,814(1)	D
Common Stock	10/03/2025		G	V	604	A	$0.00	604	I	See footnote(2)
Common Stock	11/26/2025		G		2,608	D	$0.00	1,206	D
Common Stock	11/26/2025		G	V	2,608	A	$0.00	3,212	I	See footnote(2)
Common Stock	12/03/2025		S		1,606	D	$1.48	1,606	I	See footnote(2)
Common Stock	12/04/2025		S		1,606	D	$1.5821	0	I	See footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On January 3, 2025, the Issuer effected a 1-for-25 reverse stock split of its common stock, par value $0.0001 per share (the "Reverse Stock Split"). The number of securities reported herein have been adjusted to reflect the Reverse Stock Split.

2. Shares held by Davin Family Nominee Trust u/a 4/16/04 ("Davin Family Trust"), of which the Reporting Person and his spouse serve as trustees. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by the Davin Family Trust, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

	/s/ Shantanu Gaur, attorney-in-fact	12/05/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What type of SEC filing did Allurion Technologies, Inc. (ALUR) submit?

Allurion Technologies, Inc. filed a Form 4, which discloses recent transactions in the company’s equity securities by a director who is considered an insider under Section 16 of the Securities Exchange Act.

What insider transactions in ALUR stock are reported in this Form 4?

The Form 4 reports several transactions in Allurion common stock, including code "G" gifts or transfers of 604 and 2,608 shares on October 3, 2025 and November 26, 2025, and code "S" sales of 1,606 shares on both December 3, 2025 at $1.48 per share and December 4, 2025 at $1.5821 per share.

How did the reverse stock split affect the share amounts reported for ALUR?

The filing explains that on January 3, 2025 Allurion completed a 1-for-25 reverse stock split of its common stock. All share numbers in this Form 4 have been adjusted to reflect that reverse split.

Who holds the indirect ALUR shares mentioned in the Form 4?

The indirect holdings are reported as shares held by the Davin Family Nominee Trust u/a 4/16/04. The reporting person and spouse serve as trustees. The filing states that the reporting person disclaims beneficial ownership of the trust’s securities, except to the extent of any pecuniary interest.

What was the effect of the December 2025 sales on the trust’s ALUR holdings?

After the December 3, 2025December 4, 2025 sales of 1,606 common shares on each date from the trust, the number of indirectly held shares reported for the trust was reduced to zero.

Does this Form 4 indicate large changes in ownership for Allurion (ALUR)?

The transactions reported involve relatively small share amounts, consisting of gifts or transfers between direct and trust holdings and two small stock sales. The filing does not indicate any large change in the company’s overall ownership structure.