Quick Takeaways
- ALUR - ALLURION TECHNOLOGIES, INC. has 15 insiders with reported activity on this page.
- Net insider value flow over the last year: +$19,566.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 15 Insiders of ALLURION TECHNOLOGIES, INC.
- Symbol
- ALUR, ALUR-WT on NYSE
- Location
- Natick, MA
What Changed
- Buy value: $24,484; sell value: $4,917.
- Net share flow: +4,788.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$19,566.
Buys
$24,484
Shares: 8,000
Insiders: 1
Sells
$4,918
Shares: 3,212
Insiders: 1
Net
+$19,566
Shares: +4,788
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 3,212 | $0 | $4,918 | -$4,918 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 8,000 | 0 | $24,484 | $0 | +$24,484 |
ALLURION TECHNOLOGIES, INC. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| S. Omar Ishrak | Director | $6,218,939 | Mixed | 23 Oct 2023 | ||
| Krishna K. Gupta | Director, 10%+ Owner | $3,608,111 | Mixed | 23 Oct 2023 | ||
| Ram Chuttani | Chief Medical Officer | $3,126,244 | Mixed | 02 May 2024 | ||
| Keith B. Johns II | Director | $1,092,388 | Mixed | 08 Nov 2024 | ||
| RTW INVESTMENTS, LP | Director, 10%+ Owner | $499,316 | Mixed | 12 Nov 2025 | ||
| Benoit Chardon | Chief Commercial Officer | $374,464 | Mixed | 12 Dec 2023 | ||
| Milena Alberti-Perez | Director | $141,000 | Mixed | 11 Mar 2024 | ||
| Shantanu Gaur | Chief Executive Officer, Director | $101,109 | +$24,484 | +32% | Mixed | 19 May 2025 |
| Nicholas Sheridan Lewin | Director | $85,042 | Mixed | 23 Oct 2023 | ||
| Larson Douglas Hudson | Director | $85,042 | Mixed | 23 Oct 2023 | ||
| Brendan M. Gibbons | Chief Legal Officer | $16,132 | Mixed | 31 Dec 2025 | ||
| Ojas Buch | Chief Operating Officer | $15,845 | Mixed | 31 Dec 2025 | ||
| Michael R. Davin | Director | $1,809 | -$4,918 | -73% | Mixed | 03 Oct 2025 |
| Christopher J. Geberth | Chief Financial Officer | Mixed | 01 Aug 2023 | |||
| Robert Jason Richey | Director | Mixed | 30 Dec 2024 |
Top shareholders of ALLURION TECHNOLOGIES, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP |
13D/G
3/4/5
13F
|
Director, 10%+ Owner · Company |
39%
|
5,891,430
|
$8,542,574 | $0 | 26 Feb 2026 | |
| S. Omar Ishrak |
3/4/5
|
Director |
—
class O/S missing
|
3,307,946
|
$6,218,939 | — | 23 Oct 2023 | |
| Krishna K. Gupta |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
1,919,208
|
$3,608,111 | — | 23 Oct 2023 | |
| Ram Chuttani |
3/4/5
|
Chief Medical Officer |
—
mixed-class rows
|
1,866,978
mixed-class rows
|
$3,126,244 | — | 02 May 2024 | |
| Keith B. Johns II |
3/4/5
|
Director |
—
class O/S missing
|
326,086
|
$1,092,388 | — | 08 Nov 2024 | |
| Benoit Chardon |
3/4/5
|
Chief Commercial Officer |
—
mixed-class rows
|
219,560
mixed-class rows
|
$374,464 | — | 12 Dec 2023 | |
| Lunt Capital Management, Inc. |
13F
|
Company |
1.1%
|
166,666
|
$204,999 | — | 31 Dec 2025 | |
| Leavitt Equity Partners III, L.P. |
13D/G
|
— |
7.8%
|
462,762
|
$198,988 | $0 | 01 Jul 2024 | |
| Milena Alberti-Perez |
3/4/5
|
Director |
—
class O/S missing
|
75,000
|
$141,000 | — | 11 Mar 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.59%
|
88,650
|
$109,039 | — | 31 Dec 2025 | |
| Shantanu Gaur |
3/4/5
|
Chief Executive Officer, Director |
—
mixed-class rows
|
1,466,479
mixed-class rows
|
$101,109 | +$24,484 | 19 May 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.4%
|
59,880
|
$87,067 | — | 31 Dec 2025 | |
| Larson Douglas Hudson |
3/4/5
|
Director |
—
class O/S missing
|
45,235
|
$85,042 | — | 23 Oct 2023 | |
| Nicholas Sheridan Lewin |
3/4/5
|
Director |
—
class O/S missing
|
45,235
|
$85,042 | — | 23 Oct 2023 | |
| Anson Funds Management LP |
13F
|
Company |
—
class O/S missing
|
59,881
|
$73,654 | — | 31 Dec 2025 | |
| Empery Asset Management, LP |
13F
|
Company |
0.4%
|
59,881
|
$73,654 | — | 31 Dec 2025 | |
| ARMISTICE CAPITAL, LLC |
13F
|
Company |
0.4%
|
59,880
|
$73,652 | — | 31 Dec 2025 | |
| HEIGHTS CAPITAL MANAGEMENT, INC |
13F
|
Company |
0.4%
|
59,880
|
$73,652 | — | 31 Dec 2025 | |
| L1 Global Manager Pty Ltd |
13F
|
Company |
0.4%
|
59,880
|
$73,652 | — | 31 Dec 2025 | |
| Establishment Unisphere |
13F
|
Individual |
0.33%
|
49,695
|
$61,125 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.27%
|
40,311
|
$49,586 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.2%
|
29,865
|
$36,734 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.17%
|
26,135
|
$32,146 | — | 31 Dec 2025 | |
| TORONTO DOMINION BANK |
13F
|
Company |
—
mixed-class rows
|
1,750,731
mixed-class rows
|
$27,071 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.13%
|
18,855
|
$23,192 | — | 31 Dec 2025 | |
| ARISTEIA CAPITAL, L.L.C. |
13F
|
Company |
—
class O/S missing
|
1,204,410
|
$18,367 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.1%
|
14,821
|
$18,230 | — | 31 Dec 2025 | |
| PUBLIC INVESTMENT FUND |
13F
|
Company |
—
class O/S missing
|
1,148,436
|
$17,571 | — | 31 Dec 2025 | |
| Brendan M. Gibbons |
3/4/5
|
Chief Legal Officer |
0.07%
|
10,408
|
$16,132 | — | 31 Dec 2025 | |
| Ojas Buch |
3/4/5
|
Chief Operating Officer |
0.07%
|
10,223
|
$15,845 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.08%
|
12,577
|
$15,470 | — | 31 Dec 2025 | |
| Centerpoint Advisors, LLC |
13F
|
Company |
0.04%
|
6,347
|
$8,000 | — | 31 Dec 2025 | |
| LRI Investments, LLC |
13F
|
Company |
0.03%
|
5,000
|
$6,150 | — | 31 Dec 2025 | |
| LMR Partners LLP |
13F
|
Company |
—
class O/S missing
|
319,499
|
$4,888 | — | 31 Dec 2025 | |
| Clear Street Group Inc. |
13F
|
Company |
—
class O/S missing
|
234,221
|
$3,584 | — | 31 Dec 2025 | |
| WOLVERINE ASSET MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
211,472
|
$3,236 | — | 31 Dec 2025 | |
| Saba Capital Management, L.P. |
13F
|
Company |
—
class O/S missing
|
122,683
|
$1,871 | — | 31 Dec 2025 | |
| Michael R. Davin |
3/4/5
|
Director |
0.01%
|
1,206
|
$1,809 | -$4,918 | 03 Oct 2025 | |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP |
13F
|
Company |
—
class O/S missing
|
97,826
|
$1,497 | — | 31 Dec 2025 | |
| Silver Rock Financial LP |
13F
|
Company |
—
class O/S missing
|
86,285
|
$1,320 | — | 31 Dec 2025 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
—
class O/S missing
|
76,562
|
$1,171 | — | 31 Dec 2025 | |
| SkyView Investment Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
45,174
|
$1,000 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
—
class O/S missing
|
57,708
|
$883 | — | 31 Dec 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
—
class O/S missing
|
56,005
|
$857 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
—
class O/S missing
|
42,034
|
$643 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
—
mixed-class rows
|
785
mixed-class rows
|
$624 | — | 31 Dec 2025 | |
| TWO SIGMA SECURITIES, LLC |
13F
|
Company |
—
class O/S missing
|
30,139
|
$461 | — | 31 Dec 2025 | |
| Calamos Advisors LLC |
13F
|
Company |
—
class O/S missing
|
22,968
|
$351 | — | 31 Dec 2025 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0%
|
199
|
$245 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
15,312
|
$234 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for ALLURION TECHNOLOGIES, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael R. Davin | ALUR | Common Stock | Sale | -100% | $2,541 | $1.58 | -1,606 | 0 | 04 Dec 2025 | See footnote |
| Michael R. Davin | ALUR | Common Stock | Sale | -50% | $2,377 | $1.48 | -1,606 | 1,606 | 03 Dec 2025 | See footnote |
| Michael R. Davin | ALUR | Common Stock | Gift | 431.8% | 2,608 | 3,212 | 26 Nov 2025 | See footnote | ||
| Michael R. Davin | ALUR | Common Stock | Gift | -68.4% | -2,608 | 1,206 | 26 Nov 2025 | Direct | ||
| Rtw Investments, Lp | ALUR | Common Stock, $0.0001 par value per share | Award | 144.7% | 1,856,288 | 3,138,798 | 12 Nov 2025 | See footnotes | ||
| Rtw Investments, Lp | ALUR | Warrant (Right to Buy) | Award | 1,856,288 | 991,544 | 12 Nov 2025 | See footnotes | |||
| Brendan M. Gibbons | ALUR | Common Stock | Tax liability | -15.2% | -1,862 | 10,408 | 08 Nov 2025 | Direct | ||
| Ojas Buch | ALUR | Common Stock | Tax liability | -16.7% | -2,047 | 10,223 | 08 Nov 2025 | Direct | ||
| Rtw Investments, Lp | ALUR | Common Stock, $0.0001 par value per share | Conversion of derivative security | 228% | 1,492,539 | 2,147,254 | 05 Nov 2025 | See footnotes | ||
| Rtw Investments, Lp | ALUR | Convertible Note | Conversion of derivative security | 0 | $0 | 05 Nov 2025 | See footnotes | |||
| Rtw Investments, Lp | ALUR | Convertible Note | Award | 0 | $2,117,044 | 05 Nov 2025 | See footnotes | |||
| Rtw Investments, Lp | ALUR | Convertible Note | Conversion of derivative security | 0 | $0 | 05 Nov 2025 | See Footnotes | |||
| Rtw Investments, Lp | ALUR | Convertible Note | Award | 0 | $2,756,117 | 05 Nov 2025 | See Footnotes | |||
| Michael R. Davin | ALUR | Common Stock | Gift | 604 | 604 | 03 Oct 2025 | See footnote | |||
| Michael R. Davin | ALUR | Common Stock | Gift | -13.7% | -604 | 3,814 | 03 Oct 2025 | Direct | ||
| Shantanu Gaur | ALUR | Common Stock | Purchase | 100% | $24,484 | $3.06 | 8,000 | 16,000 | 19 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.