Amylyx Pharmaceuticals Inc. (AMLX) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Amylyx Pharmaceuticals Inc.
Goto 0, 1, 2, 3, 4, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-03-02
Sale
2026-03-04
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
29,282$14.47$423,7603,334,616
(Direct)
View
2026-03-02
Sale
2026-03-04
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
29,282$14.48$424,1203,334,683
(Direct)
View
2026-03-02
Sale
2026-03-04
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXBedrosian Camille L
Chief Medical Officer
6,461$14.58$94,205169,295
(Direct)
View
2026-03-02
Sale
2026-03-04
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
7,909$14.52$114,851292,169
(Indirect
Direct)
View
2026-03-02
Sale
2026-03-04
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
6,844$14.52$99,378134,430
(Direct)
View
2026-02-23
Sale
2026-02-25
4:00 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
3,419$14.14$48,352141,274
(Direct)
View
2026-02-02
Sale
2026-02-04
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
3,557$14.65$52,097300,078
(Indirect
Direct)
View
2026-02-02
Sale
2026-02-04
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
15,500$14.68$227,5933,363,965
(Direct)
View
2026-02-02
Sale
2026-02-04
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
3,448$14.65$50,516144,693
(Direct)
View
2026-02-02
Sale
2026-02-04
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
15,500$14.69$227,6183,363,898
(Direct)
View
2026-01-15
Sale
2026-01-20
9:46 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
138,167$13.59$1,878,0943,382,283
(Direct)
View
2026-01-15
Sale
2026-01-20
9:46 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
138,188$13.59$1,877,5703,382,245
(Direct)
View
2026-01-06
Sale
2026-01-08
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
3,326$11.11$36,954303,635
(Indirect
Direct)
View
2026-01-06
Sale
2026-01-08
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
7,715$11.09$85,5963,317,632
(Direct)
View
2026-01-06
Sale
2026-01-08
4:05 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
7,715$11.09$85,5893,317,586
(Direct)
View
2025-12-23
Purchase
2025-12-23
8:48 pm
Amylyx Pharmaceuticals Inc.AMLXFirestone Karen
Director
8,100$12.45$100,84563,100
(Direct)
View
2025-12-01
Sale
2025-12-03
4:39 pm
Amylyx Pharmaceuticals Inc.AMLXBedrosian Camille L
Chief Medical Officer
6,580$14.35$94,418175,756
(Direct)
View
2025-09-30
Sale
2025-10-02
4:15 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
29,975$14.38$430,9523,325,301
(Direct)
View
2025-09-30
Sale
2025-10-02
4:15 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
8,828$14.58$128,669148,141
(Direct)
View
2025-09-30
Sale
2025-10-02
4:15 pm
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
10,558$14.65$154,650306,961
(Indirect
Direct)
View
2025-09-30
Sale
2025-10-02
4:15 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
29,933$14.35$429,4693,325,347
(Direct)
View
2025-09-30
Sale
2025-10-02
4:15 pm
Amylyx Pharmaceuticals Inc.AMLXBedrosian Camille L
Chief Medical Officer
12,039$14.58$175,518182,336
(Direct)
View
2025-08-12
Sale
2025-08-14
4:20 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
30,000$8.2049$246,148156,969
(Direct)
View
2025-03-31
Sale
2025-04-02
5:22 pm
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
10,896$3.4697$37,806317,519
(Indirect
Direct)
View
2025-03-31
Sale
2025-04-02
5:14 pm
Amylyx Pharmaceuticals Inc.AMLXBedrosian Camille L
Chief Medical Officer
12,425$3.4674$43,082194,375
(Direct)
View
2025-03-31
Sale
2025-04-02
5:12 pm
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
9,192$3.4763$31,954187,969
(Direct)
View
2025-03-31
Sale
2025-04-02
4:57 pm
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
21,490$3.4659$74,4823,355,280
(Direct)
View
2025-03-31
Sale
2025-04-02
4:52 pm
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
21,490$3.4646$74,4543,355,276
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-03-05
Option Award
2026-03-09
4:00 pm
N/A
2036-03-05
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
622,160$03,956,843
(Direct)
View
2026-03-05
Option Award
2026-03-09
4:00 pm
N/A
2036-03-05
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
186,650$0321,080
(Direct)
View
2026-03-05
Option Award
2026-03-09
4:00 pm
N/A
2036-03-05
Amylyx Pharmaceuticals Inc.AMLXFRATES JAMES M
Chief Financial Officer
239,975$0532,144
(Direct)
View
2026-03-05
Option Award
2026-03-09
4:00 pm
N/A
2036-03-05
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
622,160$03,956,776
(Direct)
View
2026-03-05
Option Award
2026-03-09
4:00 pm
N/A
2036-03-05
Amylyx Pharmaceuticals Inc.AMLXBedrosian Camille L
Chief Medical Officer
239,975$0409,270
(Direct)
View
2026-01-15
Exercise
2026-01-20
9:46 pm
N/A
N/A
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
200,000$7.573,382,283
(Direct)
View
2026-01-15
Exercise
2026-01-20
9:46 pm
N/A
2026-02-19
Amylyx Pharmaceuticals Inc.AMLXCohen Joshua B
Co-Chief Executive Officer
200,000$03,382,283
(Direct)
View
2026-01-15
Exercise
2026-01-20
9:46 pm
N/A
N/A
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
200,000$7.573,382,245
(Direct)
View
2026-01-15
Exercise
2026-01-20
9:46 pm
N/A
2026-02-19
Amylyx Pharmaceuticals Inc.AMLXKlee Justin B.
Co-Chief Executive Officer
200,000$03,382,245
(Direct)
View
2026-01-12
Gift
2026-01-14
4:08 pm
N/A
N/A
Amylyx Pharmaceuticals Inc.AMLXMILNE GEORGE M JR
Director
17,780$0812,881
(Direct)
View
2025-06-05
Option Award
2025-06-09
4:12 pm
N/A
2035-06-04
Amylyx Pharmaceuticals Inc.AMLXFONTEYNE PAUL R.
Director
25,000$025,000
(Direct)
View
2025-06-05
Option Award
2025-06-09
4:08 pm
N/A
2035-06-04
Amylyx Pharmaceuticals Inc.AMLXFirestone Karen
Director
25,000$025,000
(Direct)
View
2025-06-05
Option Award
2025-06-09
4:07 pm
N/A
2035-06-04
Amylyx Pharmaceuticals Inc.AMLXQuimi Daphne
Director
25,000$025,000
(Direct)
View
2025-06-05
Option Award
2025-06-09
4:06 pm
N/A
2035-06-04
Amylyx Pharmaceuticals Inc.AMLXMILNE GEORGE M JR
Director
25,000$025,000
(Direct)
View
2025-06-05
Option Award
2025-06-09
4:06 pm
N/A
2035-06-04
Amylyx Pharmaceuticals Inc.AMLXZeiher Bernhardt G
Director
25,000$025,000
(Direct)
View
2025-05-22
Gift
2025-05-27
4:01 pm
N/A
N/A
Amylyx Pharmaceuticals Inc.AMLXMazzariello Gina
Chief Legal Officer
1,000$0186,969
(Direct)
View
Goto 0, 1, 2, 3, 4, Next