AMYLYX PHARMACEUTICALS, INC.

PublicCIK: 1658551

AMLXNASDAQ

Location

CAMBRIDGE, MA

COHEN JOSHUA B

144

→AMYLYX PHARMACEUTICALS, INC.

Sep 11, 2026·1d ago

KLEE JUSTIN B.

144

→AMYLYX PHARMACEUTICALS, INC.

Sep 11, 2026·1d ago

FRATES JAMES M

144

→AMYLYX PHARMACEUTICALS, INC.

Sep 11, 2026·1d ago

BEDROSIAN CAMILLE L

144

→AMYLYX PHARMACEUTICALS, INC.

Sep 11, 2026·1d ago

MAZZARIELLO GINA

144

→AMYLYX PHARMACEUTICALS, INC.

Sep 11, 2026·1d ago

-3

FIRESTONE KAREN

→AMYLYX PHARMACEUTICALS, INC.

Sep 2, 2026·Sep 2, 2026

4 txn

BEDROSIAN CAMILLE L

→CRINETICS PHARMACEUTICALS, INC.

Sep 1, 2026·Sep 1, 2026

9 txn

FRATES JAMES M

→AMYLYX PHARMACEUTICALS, INC.

Aug 21, 2026·Aug 21, 2026

5 txn

KLEE JUSTIN B.

→AMYLYX PHARMACEUTICALS, INC.

Aug 21, 2026·Aug 21, 2026

1 txn

MAZZARIELLO GINA

→AMYLYX PHARMACEUTICALS, INC.

Aug 21, 2026·Aug 21, 2026

1 txn

BEDROSIAN CAMILLE L

→AMYLYX PHARMACEUTICALS, INC.

Aug 21, 2026·Aug 21, 2026

1 txn

COHEN JOSHUA B

→AMYLYX PHARMACEUTICALS, INC.

Aug 21, 2026·Aug 21, 2026

1 txn

VIKING GLOBAL INVESTORS LP

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

MAZZARIELLO GINA

→AMYLYX PHARMACEUTICALS, INC.

Jul 13, 2026·Jul 13, 2026

2 txn

MAZZARIELLO GINA

144

→AMYLYX PHARMACEUTICALS, INC.

Jul 9, 2026·Jul 9, 2026

ZEIHER BERNHARDT G

→ENTRADA THERAPEUTICS, INC.

Jun 12, 2026·Jun 12, 2026

1 txn

ZEIHER BERNHARDT G

→AMYLYX PHARMACEUTICALS, INC.

Jun 8, 2026·Jun 8, 2026

1 txn

FIRESTONE KAREN

→AMYLYX PHARMACEUTICALS, INC.

Jun 8, 2026·Jun 8, 2026

1 txn

QUIMI DAPHNE

→AMYLYX PHARMACEUTICALS, INC.

Jun 8, 2026·Jun 8, 2026

1 txn

MILNE GEORGE M JR

→AMYLYX PHARMACEUTICALS, INC.

Jun 8, 2026·Jun 8, 2026

1 txn

FONTEYNE PAUL R.

→AMYLYX PHARMACEUTICALS, INC.

Jun 8, 2026·Jun 8, 2026

1 txn

FIRESTONE KAREN

→AMYLYX PHARMACEUTICALS, INC.

May 26, 2026·May 26, 2026

1 txn

VIKING GLOBAL INVESTORS LP

13F-HR

Holdings

May 15, 2026·May 15, 2026

FONTEYNE PAUL R.

→APELLIS PHARMACEUTICALS, INC.

May 14, 2026·May 14, 2026

13 txn

FRATES JAMES M

→AMYLYX PHARMACEUTICALS, INC.

Mar 9, 2026·Mar 9, 2026

5 txn

Page 1 of 14 · 335 total

Filer	Form	Target	Filed	Activity
COHEN JOSHUA BCIK · 1898644	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 11, 2026 1d ago	—
KLEE JUSTIN B.CIK · 1898314	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 11, 2026 1d ago	—
FRATES JAMES MCIK · 1235598	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 11, 2026 1d ago	—
BEDROSIAN CAMILLE LCIK · 1326969	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 11, 2026 1d ago	—
MAZZARIELLO GINACIK · 1913765	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 11, 2026 1d ago	—
FIRESTONE KARENCIK · 1969821	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Sep 2, 2026 Sep 2, 2026	4txn
BEDROSIAN CAMILLE LCIK · 1326969	4 Trade	CRINETICS PHARMACEUTICALS, INC.CIK · 1658247	Sep 1, 2026 Sep 1, 2026	9txn
FRATES JAMES MCIK · 1235598	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Aug 21, 2026 Aug 21, 2026	5txn
KLEE JUSTIN B.CIK · 1898314	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Aug 21, 2026 Aug 21, 2026	1txn
MAZZARIELLO GINACIK · 1913765	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Aug 21, 2026 Aug 21, 2026	1txn
BEDROSIAN CAMILLE LCIK · 1326969	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Aug 21, 2026 Aug 21, 2026	1txn
COHEN JOSHUA BCIK · 1898644	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Aug 21, 2026 Aug 21, 2026	1txn
VIKING GLOBAL INVESTORS LPCIK · 1103804	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
MAZZARIELLO GINACIK · 1913765	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jul 13, 2026 Jul 13, 2026	2txn
MAZZARIELLO GINACIK · 1913765	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jul 9, 2026 Jul 9, 2026	—
ZEIHER BERNHARDT GCIK · 1971421	4 Trade	ENTRADA THERAPEUTICS, INC.CIK · 1689375	Jun 12, 2026 Jun 12, 2026	1txn
ZEIHER BERNHARDT GCIK · 1971421	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jun 8, 2026 Jun 8, 2026	1txn
FIRESTONE KARENCIK · 1969821	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jun 8, 2026 Jun 8, 2026	1txn
QUIMI DAPHNECIK · 1543031	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jun 8, 2026 Jun 8, 2026	1txn
MILNE GEORGE M JRCIK · 1179552	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jun 8, 2026 Jun 8, 2026	1txn
FONTEYNE PAUL R.CIK · 1727550	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Jun 8, 2026 Jun 8, 2026	1txn
FIRESTONE KARENCIK · 1969821	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	May 26, 2026 May 26, 2026	1txn
VIKING GLOBAL INVESTORS LPCIK · 1103804	13F-HR Holdings	—	May 15, 2026 May 15, 2026	—
FONTEYNE PAUL R.CIK · 1727550	4 Trade	APELLIS PHARMACEUTICALS, INC.CIK · 1492422	May 14, 2026 May 14, 2026	13txn
FRATES JAMES MCIK · 1235598	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 9, 2026 Mar 9, 2026	5txn

Page 1 of 14 · 335 total