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$HALO

$78.50 +$2.39 (3.14%)

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Insider Transactions

Insider Transaction Summary

RANDAL J KIRK

3,900,919 shares

Net: 0 B/S: -

Helen Torley

777,780 shares

Net: +468,219 B/S: 3.02

KATHRYN E FALBERG

358,253 shares

Net: 0 B/S: -

CONNIE MATSUI

183,035 shares

Net: 0 B/S: -

Kenneth J Kelley

179,833 shares

Net: 0 B/S: -

Michael J. LaBarre

173,856 shares

Net: 0 B/S: -

Alison A. Armour

129,358 shares

Net: 0 B/S: -

Laurie Stelzer

116,167 shares

Net: 0 B/S: -

Matthew L. Posard

77,835 shares

Net: +3,796 B/S: ∞

Athena Countouriotis

72,925 shares

Net: 0 B/S: -

Mark J Gergen

72,925 shares

Net: 0 B/S: -

JEAN-PIERRE BIZZARI

66,815 shares

Net: 0 B/S: -

HARRY J LEONHARDT

66,373 shares

Net: 0 B/S: -

Mark Howard Snyder

51,392 shares

Net: +29,992 B/S: ∞

Bernadette Connaughton

43,669 shares

Net: -2,883 B/S: 0.7

Nicole LaBrosse

42,102 shares

Net: +15,647 B/S: 3.87

Dimitrios Chondros

38,584 shares

Net: 0 B/S: -

Jeffrey William Henderson

36,572 shares

Net: +3,796 B/S: ∞

Akiko Moni Miyashita

24,937 shares

Net: 0 B/S: -

BARBARA GAYLE DUNCAN

23,715 shares

Net: +3,796 B/S: ∞

James M Daly

20,503 shares

Net: 0 B/S: -

Masaru Matsuda

20,049 shares

Net: 0 B/S: -

Barbara Gayle Duncan

19,919 shares

Net: 0 B/S: -

Cortney Caudill

15,912 shares

Net: +24,559 B/S: 1.83

Mahesh Krishnan

14,462 shares

Net: +3,796 B/S: ∞

Elaine D Sun

14,018 shares

Net: 0 B/S: -

Benjamin Hickey

13,226 shares

Net: 0 B/S: -

DAVID A RAMSAY

10,000 shares

Net: +10,000 B/S: ∞

James Paul Lang

4,685 shares

Net: +4,685 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
RANDAL J KIRK	3,900,919	0	-
Helen Torley	777,780	+468,219	3.02
KATHRYN E FALBERG	358,253	0	-
CONNIE MATSUI	183,035	0	-
Kenneth J Kelley	179,833	0	-
Michael J. LaBarre	173,856	0	-
Alison A. Armour	129,358	0	-
Laurie Stelzer	116,167	0	-
Matthew L. Posard	77,835	+3,796	∞
Athena Countouriotis	72,925	0	-
Mark J Gergen	72,925	0	-
JEAN-PIERRE BIZZARI	66,815	0	-
HARRY J LEONHARDT	66,373	0	-
Mark Howard Snyder	51,392	+29,992	∞
Bernadette Connaughton	43,669	-2,883	0.7
Nicole LaBrosse	42,102	+15,647	3.87
Dimitrios Chondros	38,584	0	-
Jeffrey William Henderson	36,572	+3,796	∞
Akiko Moni Miyashita	24,937	0	-
BARBARA GAYLE DUNCAN	23,715	+3,796	∞
James M Daly	20,503	0	-
Masaru Matsuda	20,049	0	-
Barbara Gayle Duncan	19,919	0	-
Cortney Caudill	15,912	+24,559	1.83
Mahesh Krishnan	14,462	+3,796	∞
Elaine D Sun	14,018	0	-
Benjamin Hickey	13,226	0	-
DAVID A RAMSAY	10,000	+10,000	∞
James Paul Lang	4,685	+4,685	∞

Individual Transactions

June 03, 2026

Helen Torley

Open Market Sale

Change: -400

Price: $66.37

Shares: 777,380

Value: -$26,547

Helen Torley

Option Exercise/Conversion

Change: +10,000

Price: $12.07

Shares: 777,780

Value: +$120,700

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Jun 03	Open Market Sale (S) Market Sale	777,380	-400	$66.37	-$26,547
Helen Torley	Jun 03	Option Exercise/Conversion (M) Compensation/Award	777,780	+10,000	$12.07	+$120,700

June 02, 2026

Helen Torley

Open Market Sale

Change: -16,600

Price: $66.31

Shares: 771,180

Value: -$1,100,812

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Jun 03	Open Market Sale (S) Market Sale	771,180	-16,600	$66.31	-$1,100,812
Helen Torley	Jun 03	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400

June 01, 2026

Bernadette Connaughton

Open Market Sale

Change: -1,625

Price: $66.21

Shares: 43,669

Value: -$107,591

Helen Torley

Open Market Sale

Change: -1,610

Price: $66.39

Shares: 786,170

Value: -$106,884

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Bernadette Connaughton	Jun 02	Open Market Sale (S) Market Sale	43,669	-1,625	$66.21	-$107,591
Helen Torley	Jun 03	Open Market Sale (S) Market Sale	786,170	-1,610	$66.39	-$106,884
Helen Torley	Jun 03	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400

May 13, 2026

Helen Torley

Option Exercise/Conversion

Change: +10,000

Price: $12.07

Shares: 777,780

Value: +$120,700

Helen Torley

Open Market Sale

Change: -2,100

Price: $68.10

Shares: 775,680

Value: -$143,014

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	May 13	Option Exercise/Conversion (M) Compensation/Award	777,780	+10,000	$12.07	+$120,700
Helen Torley	May 13	Open Market Sale (S) Market Sale	775,680	-2,100	$68.10	-$143,014

May 12, 2026

Helen Torley

Open Market Sale

Change: -100

Price: $67.85

Shares: 787,680

Value: -$6,785

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	May 13	Open Market Sale (S) Market Sale	787,680	-100	$67.85	-$6,785
Helen Torley	May 13	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400

May 11, 2026

Helen Torley

Open Market Sale

Change: -9,725

Price: $64.63

Shares: 778,055

Value: -$628,536

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	May 13	Open Market Sale (S) Market Sale	778,055	-9,725	$64.63	-$628,536
Helen Torley	May 13	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400

May 05, 2026

Bernadette Connaughton

Grant/Award Acquisition

Change: +6,796

Price: $0.00

Shares: 45,294

Value: +$0

BARBARA GAYLE DUNCAN

Grant/Award Acquisition

Change: +3,796

Price: $0.00

Shares: 23,715

Value: +$0

Jeffrey William Henderson

Grant/Award Acquisition

Change: +3,796

Price: $0.00

Shares: 36,572

Value: +$0

James Paul Lang

Grant/Award Acquisition

Change: +3,796

Price: $0.00

Shares: 4,685

Value: +$0

Mahesh Krishnan

Grant/Award Acquisition

Change: +3,796

Price: $0.00

Shares: 14,462

Value: +$0

Matthew L. Posard

Grant/Award Acquisition

Change: +3,796

Price: $0.00

Shares: 77,835

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Bernadette Connaughton	May 07	Grant/Award Acquisition (A) Compensation/Award	45,294	+6,796	$0.00	+$0
BARBARA GAYLE DUNCAN	May 07	Grant/Award Acquisition (A) Compensation/Award	23,715	+3,796	$0.00	+$0
Jeffrey William Henderson	May 07	Grant/Award Acquisition (A) Compensation/Award	36,572	+3,796	$0.00	+$0
James Paul Lang	May 07	Grant/Award Acquisition (A) Compensation/Award	4,685	+3,796	$0.00	+$0
Mahesh Krishnan	May 07	Grant/Award Acquisition (A) Compensation/Award	14,462	+3,796	$0.00	+$0
Matthew L. Posard	May 07	Grant/Award Acquisition (A) Compensation/Award	77,835	+3,796	$0.00	+$0

May 01, 2026

Bernadette Connaughton

Open Market Sale

Change: -1,625

Price: $63.48

Shares: 38,498

Value: -$103,155

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Bernadette Connaughton	May 05	Open Market Sale (S) Market Sale	38,498	-1,625	$63.48	-$103,155