AMYLYX PHARMACEUTICALS, INC.

PublicCIK: 1658551

AMLXNASDAQ

Location

CAMBRIDGE, MA

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

MAZZARIELLO GINA

→AMYLYX PHARMACEUTICALS, INC.

Mar 9, 2026·Mar 9, 2026

2 txn

KLEE JUSTIN B.

→AMYLYX PHARMACEUTICALS, INC.

Mar 9, 2026·Mar 9, 2026

2 txn

COHEN JOSHUA B

→AMYLYX PHARMACEUTICALS, INC.

Mar 9, 2026·Mar 9, 2026

2 txn

BEDROSIAN CAMILLE L

→AMYLYX PHARMACEUTICALS, INC.

Mar 9, 2026·Mar 9, 2026

2 txn

BEDROSIAN CAMILLE L

144

→RHYTHM PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

-2

KLEE JUSTIN B.

→AMYLYX PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

COHEN JOSHUA B

→AMYLYX PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

BEDROSIAN CAMILLE L

→AMYLYX PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

MAZZARIELLO GINA

→AMYLYX PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

FRATES JAMES M

→AMYLYX PHARMACEUTICALS, INC.

Mar 4, 2026·Mar 4, 2026

4 txn

BEDROSIAN CAMILLE L

144

→RHYTHM PHARMACEUTICALS, INC.

Mar 3, 2026·Mar 3, 2026

FRATES JAMES M

144

→AMYLYX PHARMACEUTICALS, INC.

Mar 2, 2026·Mar 2, 2026

-3

COHEN JOSHUA B

144

→AMYLYX PHARMACEUTICALS, INC.

Mar 2, 2026·Mar 2, 2026

-5

KLEE JUSTIN B.

144

→AMYLYX PHARMACEUTICALS, INC.

Mar 2, 2026·Mar 2, 2026

-5

BEDROSIAN CAMILLE L

144

→AMYLYX PHARMACEUTICALS, INC.

Mar 2, 2026·Mar 2, 2026

-2

Page 1 of 13 · 320 total

Filer	Form	Target	Filed	Activity
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
MAZZARIELLO GINACIK · 1913765	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 9, 2026 Mar 9, 2026	2txn
KLEE JUSTIN B.CIK · 1898314	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 9, 2026 Mar 9, 2026	2txn
COHEN JOSHUA BCIK · 1898644	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 9, 2026 Mar 9, 2026	2txn
BEDROSIAN CAMILLE LCIK · 1326969	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 9, 2026 Mar 9, 2026	2txn
BEDROSIAN CAMILLE LCIK · 1326969	144 Sale	RHYTHM PHARMACEUTICALS, INC.CIK · 1649904	Mar 4, 2026 Mar 4, 2026	—
KLEE JUSTIN B.CIK · 1898314	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 4, 2026 Mar 4, 2026	1txn
COHEN JOSHUA BCIK · 1898644	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 4, 2026 Mar 4, 2026	1txn
BEDROSIAN CAMILLE LCIK · 1326969	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 4, 2026 Mar 4, 2026	1txn
MAZZARIELLO GINACIK · 1913765	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 4, 2026 Mar 4, 2026	1txn
FRATES JAMES MCIK · 1235598	4 Trade	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 4, 2026 Mar 4, 2026	4txn
BEDROSIAN CAMILLE LCIK · 1326969	144 Sale	RHYTHM PHARMACEUTICALS, INC.CIK · 1649904	Mar 3, 2026 Mar 3, 2026	—
FRATES JAMES MCIK · 1235598	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 2, 2026 Mar 2, 2026	—
COHEN JOSHUA BCIK · 1898644	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 2, 2026 Mar 2, 2026	—
KLEE JUSTIN B.CIK · 1898314	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 2, 2026 Mar 2, 2026	—
BEDROSIAN CAMILLE LCIK · 1326969	144 Sale	AMYLYX PHARMACEUTICALS, INC.CIK · 1658551	Mar 2, 2026 Mar 2, 2026	—

Page 1 of 13 · 320 total