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$HALO

$69.83 +$1.69 (2.48%)

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$HALO Overview Financials SEC Filings Executives News

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

RANDAL J KIRK

3,900,919 shares

Net: 0 B/S: -

Helen Torley

777,780 shares

Net: +446,621 B/S: 2.67

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

74,039 shares

Net: 0 B/S: -

Mark J Gergen

72,925 shares

Net: 0 B/S: -

Athena Countouriotis

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: +32,316 B/S: ∞

Nicole LaBrosse

42,102 shares

Net: +15,647 B/S: 3.87

Bernadette Connaughton

40,123 shares

Net: -6,429 B/S: -

Dimitrios Chondros

38,584 shares

Net: 0 B/S: -

Jeffrey William Henderson

32,776 shares

Net: 0 B/S: -

Akiko Moni Miyashita

24,937 shares

Net: 0 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

Elaine D Sun

14,018 shares

Net: 0 B/S: -

Benjamin Hickey

13,226 shares

Net: 0 B/S: -

Mahesh Krishnan

10,666 shares

Net: 0 B/S: -

DAVID A RAMSAY

10,000 shares

Net: +10,000 B/S: ∞

James Paul Lang

889 shares

Net: +889 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
RANDAL J KIRK	3,900,919	0	-
Helen Torley	777,780	+446,621	2.67
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	74,039	0	-
Mark J Gergen	72,925	0	-
Athena Countouriotis	72,925	0	-
JEAN-PIERRE BIZZARI	66,815	0	-
HARRY J LEONHARDT	66,373	0	-
Mark Howard Snyder	51,392	+32,316	∞
Nicole LaBrosse	42,102	+15,647	3.87
Bernadette Connaughton	40,123	-6,429	-
Dimitrios Chondros	38,584	0	-
Jeffrey William Henderson	32,776	0	-
Akiko Moni Miyashita	24,937	0	-
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
Elaine D Sun	14,018	0	-
Benjamin Hickey	13,226	0	-
Mahesh Krishnan	10,666	0	-
DAVID A RAMSAY	10,000	+10,000	∞
James Paul Lang	889	+889	∞

Individual Transactions

April 06, 2026

Helen Torley

Open Market Sale

Change: -5,900

Price: $63.14

Shares: 771,880

Value: -$372,520

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	Apr 07	Open Market Sale (S) Market Sale	771,880	-5,900	$63.14	-$372,520
Helen Torley	Apr 07	Option Exercise/Conversion (M) Compensation/Award	777,780	+10,000	$12.07	+$120,700

April 02, 2026

Helen Torley

Open Market Sale

Change: -15,800

Price: $64.06

Shares: 771,980

Value: -$1,012,195

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	Apr 02	Open Market Sale (S) Market Sale	771,980	-15,800	$64.06	-$1,012,195
Helen Torley	Apr 02	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400

April 01, 2026

Helen Torley

Open Market Sale

Change: -19,000

Price: $65.36

Shares: 768,780

Value: -$1,241,802

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

DAVID A RAMSAY

Grant/Award Acquisition

Change: +10,000

Price: $0.00

Shares: 10,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Apr 02	Open Market Sale (S) Market Sale	768,780	-19,000	$65.36	-$1,241,802
Helen Torley	Apr 02	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400
DAVID A RAMSAY	Apr 02	Grant/Award Acquisition (A) Compensation/Award	10,000	+10,000	$0.00	+$0

March 10, 2026

Cortney Caudill

Option Exercise/Conversion

Change: +1,546

Price: $33.51

Shares: 15,912

Value: +$51,806

Cortney Caudill

Open Market Sale

Change: -8,857

Price: $67.64

Shares: 7,055

Value: -$599,087

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Cortney Caudill	Mar 10	Option Exercise/Conversion (M) Compensation/Award	15,912	+1,546	$33.51	+$51,806
Cortney Caudill	Mar 10	Open Market Sale (S) Market Sale	7,055	-8,857	$67.64	-$599,087

March 09, 2026

Cortney Caudill

Option Exercise/Conversion

Change: +20,000

Price: $33.51

Shares: 34,366

Value: +$670,200

Cortney Caudill

Open Market Sale

Change: -17,900

Price: $67.75

Shares: 16,466

Value: -$1,212,742

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Cortney Caudill	Mar 10	Option Exercise/Conversion (M) Compensation/Award	34,366	+20,000	$33.51	+$670,200
Cortney Caudill	Mar 10	Open Market Sale (S) Market Sale	16,466	-17,900	$67.75	-$1,212,742

March 04, 2026

Helen Torley

Option Exercise/Conversion

Change: +10,000

Price: $12.07

Shares: 777,780

Value: +$120,700

Helen Torley

Open Market Sale

Change: -7,329

Price: $69.94

Shares: 770,451

Value: -$512,619

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Mar 04	Option Exercise/Conversion (M) Compensation/Award	777,780	+10,000	$12.07	+$120,700
Helen Torley	Mar 04	Open Market Sale (S) Market Sale	770,451	-7,329	$69.94	-$512,619

March 03, 2026

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Helen Torley

Open Market Sale

Change: -13,481

Price: $68.85

Shares: 774,299

Value: -$928,166

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Mar 04	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400
Helen Torley	Mar 04	Open Market Sale (S) Market Sale	774,299	-13,481	$68.85	-$928,166

March 02, 2026

Helen Torley

Option Exercise/Conversion

Change: +20,000

Price: $12.07

Shares: 787,780

Value: +$241,400

Helen Torley

Open Market Sale

Change: -4,100

Price: $69.20

Shares: 783,680

Value: -$283,707

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Helen Torley	Mar 04	Option Exercise/Conversion (M) Compensation/Award	787,780	+20,000	$12.07	+$241,400
Helen Torley	Mar 04	Open Market Sale (S) Market Sale	783,680	-4,100	$69.20	-$283,707

February 23, 2026

Mark Howard Snyder

Option Exercise/Conversion

Change: +7,011

Price: $0.00

Shares: 51,392

Value: +$0

Mark Howard Snyder

Tax Payment

Change: -3,782

Price: $70.64

Shares: 47,610

Value: -$267,160

Nicole LaBrosse

Option Exercise/Conversion

Change: +6,688

Price: $0.00

Shares: 42,102

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Howard Snyder	Feb 24	Option Exercise/Conversion (M) Compensation/Award	51,392	+7,011	$0.00	+$0
Mark Howard Snyder	Feb 24	Tax Payment (F) Tax Payment	47,610	-3,782	$70.64	-$267,160
Nicole LaBrosse	Feb 24	Option Exercise/Conversion (M) Compensation/Award	42,102	+6,688	$0.00	+$0