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$HOWL

$0.45 +$0.02 (5.56%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Capital Healthcare Fund LP RA

6,237,482 shares

Net: 0 B/S: -

BioVentures 2014, L.P. MPM

4,784,111 shares

Net: -1,934,559 B/S: -

ANSBERT GADICKE

4,784,111 shares

Net: -1,934,559 B/S: -

Todd Foley

3,208,793 shares

Net: 0 B/S: -

MANAGEMENT COMPANY, L.P. (SERIES C) DEERFIELD

2,552,787 shares

Net: 0 B/S: -

Ventures LLC Taiho

2,068,909 shares

Net: 0 B/S: -

Sakae Asanuma

2,068,909 shares

Net: 0 B/S: -

Moshe Arkin

2,046,634 shares

Net: 0 B/S: -

LUKE EVNIN

1,679,330 shares

Net: -2,603,530 B/S: 0.01

Fund III, L.P. Longwood

1,677,082 shares

Net: 0 B/S: -

UPMC

823,945 shares

Net: 0 B/S: -

FUNDS MANAGEMENT LTD. SPHERA

787,997 shares

Net: 0 B/S: -

Healthcare Investments (Cayman) Ltd. HBM

625,995 shares

Net: 0 B/S: -

DANIEL J HICKLIN

592,690 shares

Net: 0 B/S: -

Steven H. Bloom

201,720 shares

Net: 0 B/S: -

Randi Isaacs

187,500 shares

Net: 0 B/S: -

Timothy W. Trost

150,000 shares

Net: 0 B/S: -

Cynthia Seidel-Dugan

150,000 shares

Net: 0 B/S: -

Chulani Karunatilake

150,000 shares

Net: 0 B/S: -

Ellen Lubman

131,900 shares

Net: 0 B/S: -

Reid Leonard

93,600 shares

Net: 0 B/S: -

Meeta Chatterjee

27,000 shares

Net: +27,000 B/S: ∞

Alon Lazarus

27,000 shares

Net: +27,000 B/S: ∞

Briggs Morrison

27,000 shares

Net: +27,000 B/S: ∞

Michael A. Sherman

27,000 shares

Net: +27,000 B/S: ∞

Michael B. Atkins

27,000 shares

Net: +27,000 B/S: ∞

Derek DiRocco

17,500 shares

Net: 0 B/S: -

Anil K. Singhal

8,358 shares

Net: +17,358 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Capital Healthcare Fund LP RA	6,237,482	0	-
BioVentures 2014, L.P. MPM	4,784,111	-1,934,559	-
ANSBERT GADICKE	4,784,111	-1,934,559	-
Todd Foley	3,208,793	0	-
MANAGEMENT COMPANY, L.P. (SERIES C) DEERFIELD	2,552,787	0	-
Ventures LLC Taiho	2,068,909	0	-
Sakae Asanuma	2,068,909	0	-
Moshe Arkin	2,046,634	0	-
LUKE EVNIN	1,679,330	-2,603,530	0.01
Fund III, L.P. Longwood	1,677,082	0	-
UPMC	823,945	0	-
FUNDS MANAGEMENT LTD. SPHERA	787,997	0	-
Healthcare Investments (Cayman) Ltd. HBM	625,995	0	-
DANIEL J HICKLIN	592,690	0	-
Steven H. Bloom	201,720	0	-
Randi Isaacs	187,500	0	-
Timothy W. Trost	150,000	0	-
Cynthia Seidel-Dugan	150,000	0	-
Chulani Karunatilake	150,000	0	-
Ellen Lubman	131,900	0	-
Reid Leonard	93,600	0	-
Meeta Chatterjee	27,000	+27,000	∞
Alon Lazarus	27,000	+27,000	∞
Briggs Morrison	27,000	+27,000	∞
Michael A. Sherman	27,000	+27,000	∞
Michael B. Atkins	27,000	+27,000	∞
Derek DiRocco	17,500	0	-
Anil K. Singhal	8,358	+17,358	∞

Individual Transactions

May 04, 2026

LUKE EVNIN

Open Market Sale

Change: -47,963

Price: $0.72

Shares: 1,679,330

Value: -$34,533

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	May 04	Open Market Sale (S) Market Sale	1,679,330	-47,963	$0.72	-$34,533

May 01, 2026

LUKE EVNIN

Open Market Sale

Change: -58,394

Price: $0.73

Shares: 1,727,293

Value: -$42,627

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	May 04	Open Market Sale (S) Market Sale	1,727,293	-58,394	$0.73	-$42,627

April 30, 2026

LUKE EVNIN

Open Market Sale

Change: -168,262

Price: $0.72

Shares: 1,785,687

Value: -$121,148

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	May 04	Open Market Sale (S) Market Sale	1,785,687	-168,262	$0.72	-$121,148

April 29, 2026

LUKE EVNIN

Open Market Sale

Change: -56,559

Price: $0.69

Shares: 1,953,949

Value: -$39,025

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Apr 29	Open Market Sale (S) Market Sale	1,953,949	-56,559	$0.69	-$39,025

April 28, 2026

LUKE EVNIN

Open Market Sale

Change: -95,412

Price: $0.73

Shares: 2,010,508

Value: -$69,650

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Apr 29	Open Market Sale (S) Market Sale	2,010,508	-95,412	$0.73	-$69,650

April 27, 2026

LUKE EVNIN

Open Market Sale

Change: -53,940

Price: $0.85

Shares: 2,105,920

Value: -$45,849

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Apr 29	Open Market Sale (S) Market Sale	2,105,920	-53,940	$0.85	-$45,849

January 16, 2026

LUKE EVNIN

Open Market Sale

Change: -38,782

Price: $0.54

Shares: 2,159,860

Value: -$20,942

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 20	Open Market Sale (S) Market Sale	2,159,860	-38,782	$0.54	-$20,942

January 15, 2026

LUKE EVNIN

Open Market Sale

Change: -37,413

Price: $0.55

Shares: 2,198,642

Value: -$20,577

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 15	Open Market Sale (S) Market Sale	2,198,642	-37,413	$0.55	-$20,577

January 14, 2026

LUKE EVNIN

Open Market Sale

Change: -30,616

Price: $0.57

Shares: 2,236,055

Value: -$17,451

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 15	Open Market Sale (S) Market Sale	2,236,055	-30,616	$0.57	-$17,451

January 13, 2026

LUKE EVNIN

Open Market Sale

Change: -43,198

Price: $0.55

Shares: 2,266,671

Value: -$23,758

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 15	Open Market Sale (S) Market Sale	2,266,671	-43,198	$0.55	-$23,758

January 12, 2026

LUKE EVNIN

Open Market Sale

Change: -58,980

Price: $0.57

Shares: 2,309,869

Value: -$33,618

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 12	Open Market Sale (S) Market Sale	2,309,869	-58,980	$0.57	-$33,618

January 09, 2026

LUKE EVNIN

Open Market Sale

Change: -24,678

Price: $0.61

Shares: 2,368,849

Value: -$15,053

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 12	Open Market Sale (S) Market Sale	2,368,849	-24,678	$0.61	-$15,053

January 08, 2026

LUKE EVNIN

Open Market Sale

Change: -7,716

Price: $0.63

Shares: 2,393,527

Value: -$4,861

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 12	Open Market Sale (S) Market Sale	2,393,527	-7,716	$0.63	-$4,861

January 07, 2026

LUKE EVNIN

Open Market Sale

Change: -11,915

Price: $0.64

Shares: 2,401,243

Value: -$7,625

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 07	Open Market Sale (S) Market Sale	2,401,243	-11,915	$0.64	-$7,625

January 06, 2026

LUKE EVNIN

Open Market Sale

Change: -40,761

Price: $0.65

Shares: 2,413,158

Value: -$26,494

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 07	Open Market Sale (S) Market Sale	2,413,158	-40,761	$0.65	-$26,494

January 05, 2026

LUKE EVNIN

Open Market Sale

Change: -18,378

Price: $0.64

Shares: 2,453,919

Value: -$11,761

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 07	Open Market Sale (S) Market Sale	2,453,919	-18,378	$0.64	-$11,761

January 02, 2026

LUKE EVNIN

Open Market Sale

Change: -18,568

Price: $0.63

Shares: 2,472,297

Value: -$11,697

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 02	Open Market Sale (S) Market Sale	2,472,297	-18,568	$0.63	-$11,697

December 31, 2025

LUKE EVNIN

Open Market Sale

Change: -24,962

Price: $0.62

Shares: 2,490,865

Value: -$15,476

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 02	Open Market Sale (S) Market Sale	2,490,865	-24,962	$0.62	-$15,476

December 30, 2025

LUKE EVNIN

Open Market Sale

Change: -34,847

Price: $0.61

Shares: 2,515,827

Value: -$21,256

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Jan 02	Open Market Sale (S) Market Sale	2,515,827	-34,847	$0.61	-$21,256

December 29, 2025

LUKE EVNIN

Open Market Sale

Change: -108,606

Price: $0.61

Shares: 2,550,674

Value: -$66,249

Insider	Filing Date	Transaction	Shares	Change	Price	Value
LUKE EVNIN	Dec 29	Open Market Sale (S) Market Sale	2,550,674	-108,606	$0.61	-$66,249