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$ALT

$2.82 -$0.05 (1.74%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Bioventures Ltd Novartis

8,345,145 shares

Net: 0 B/S: -

PHIL FROHLICH

6,626,403 shares

Net: 0 B/S: -

AG NOVARTIS

6,275,152 shares

Net: 0 B/S: -

Healthcare Capital Partners III, L.P. Venrock

4,500,000 shares

Net: 0 B/S: -

Co-Investment Holdings II, LLC VHCP

3,500,000 shares

Net: 0 B/S: -

Nimish P Shah

2,826,289 shares

Net: 0 B/S: -

PHARMACEUTICAL HOLDINGS LLC VELOCITY

1,687,250 shares

Net: 0 B/S: -

Venture Partners, L.P. Paradigm

1,278,471 shares

Net: 0 B/S: -

DERACE L SCHAFFER

589,453 shares

Net: 0 B/S: -

Christophe Arbet-Engels

450,000 shares

Net: +450,000 B/S: ∞

ERIC I RICHMAN

444,895 shares

Net: 0 B/S: -

Vipin K Garg

424,519 shares

Net: +69,437 B/S: ∞

William Enright

365,839 shares

Net: 0 B/S: -

Linda M Richardson

278,000 shares

Net: +278,000 B/S: ∞

M Scot Roberts

222,670 shares

Net: +262,274 B/S: ∞

Jeffrey W. Runge

197,700 shares

Net: 0 B/S: -

Capital S.A.S. Truffle

179,427 shares

Net: 0 B/S: -

Peter Steven St

145,004 shares

Net: 0 B/S: -

PHILIP MACNEILL

108,689 shares

Net: 0 B/S: -

Raymond M Jordt

70,107 shares

Net: +35,205 B/S: ∞

ELIZABETH CZEREPAK

62,500 shares

Net: 0 B/S: -

Catherine A. Sohn

48,800 shares

Net: +98,100 B/S: ∞

JOHN GILL

48,800 shares

Net: +119,300 B/S: ∞

Klaus Schafer

48,800 shares

Net: +97,600 B/S: ∞

MITCHEL SAYARE

48,800 shares

Net: +97,600 B/S: ∞

Teri L Lawver

48,800 shares

Net: +97,600 B/S: ∞

Diane Jorkasky

48,800 shares

Net: +98,127 B/S: ∞

Philip Hodges

48,800 shares

Net: +97,600 B/S: ∞

Wayne Pisano

48,800 shares

Net: +102,600 B/S: ∞

Jerome Benedict Durso

47,500 shares

Net: +1,920,700 B/S: ∞

Richard I Eisenstadt

45,012 shares

Net: 0 B/S: -

David Drutz

41,958 shares

Net: 0 B/S: -

GREGORY L WEAVER

38,078 shares

Net: +453,878 B/S: ∞

Sybil Tasker

20,000 shares

Net: 0 B/S: -

William Michael Brown

17,721 shares

Net: 0 B/S: -

Matthew Scott Harris

16,087 shares

Net: +2,018 B/S: ∞

Andrew Shutterly

11,372 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Bioventures Ltd Novartis	8,345,145	0	-
PHIL FROHLICH	6,626,403	0	-
AG NOVARTIS	6,275,152	0	-
Healthcare Capital Partners III, L.P. Venrock	4,500,000	0	-
Co-Investment Holdings II, LLC VHCP	3,500,000	0	-
Nimish P Shah	2,826,289	0	-
PHARMACEUTICAL HOLDINGS LLC VELOCITY	1,687,250	0	-
Venture Partners, L.P. Paradigm	1,278,471	0	-
DERACE L SCHAFFER	589,453	0	-
Christophe Arbet-Engels	450,000	+450,000	∞
ERIC I RICHMAN	444,895	0	-
Vipin K Garg	424,519	+69,437	∞
William Enright	365,839	0	-
Linda M Richardson	278,000	+278,000	∞
M Scot Roberts	222,670	+262,274	∞
Jeffrey W. Runge	197,700	0	-
Capital S.A.S. Truffle	179,427	0	-
Peter Steven St	145,004	0	-
PHILIP MACNEILL	108,689	0	-
Raymond M Jordt	70,107	+35,205	∞
ELIZABETH CZEREPAK	62,500	0	-
Catherine A. Sohn	48,800	+98,100	∞
JOHN GILL	48,800	+119,300	∞
Klaus Schafer	48,800	+97,600	∞
MITCHEL SAYARE	48,800	+97,600	∞
Teri L Lawver	48,800	+97,600	∞
Diane Jorkasky	48,800	+98,127	∞
Philip Hodges	48,800	+97,600	∞
Wayne Pisano	48,800	+102,600	∞
Jerome Benedict Durso	47,500	+1,920,700	∞
Richard I Eisenstadt	45,012	0	-
David Drutz	41,958	0	-
GREGORY L WEAVER	38,078	+453,878	∞
Sybil Tasker	20,000	0	-
William Michael Brown	17,721	0	-
Matthew Scott Harris	16,087	+2,018	∞
Andrew Shutterly	11,372	0	-

Individual Transactions

May 01, 2026

Catherine A. Sohn

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Klaus Schafer

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Teri L Lawver

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Diane Jorkasky

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Philip Hodges

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Wayne Pisano

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

MITCHEL SAYARE

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

JOHN GILL

Grant/Award Acquisition

Change: +48,800

Price: $0.00

Shares: 48,800

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Catherine A. Sohn	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
Klaus Schafer	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
Teri L Lawver	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
Diane Jorkasky	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
Philip Hodges	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
Wayne Pisano	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
MITCHEL SAYARE	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0
JOHN GILL	May 01	Grant/Award Acquisition (A) Compensation/Award	48,800	+48,800	$0.00	+$0

April 06, 2026

JOHN GILL

Open Market Purchase

Change: +9,200

Price: $3.41

Shares: 21,700

Value: +$31,349

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JOHN GILL	Apr 06	Open Market Purchase (P) Market Purchase	21,700	+9,200	$3.41	+$31,349

April 01, 2026

GREGORY L WEAVER

Open Market Purchase

Change: +10,000

Price: $3.15

Shares: 38,078

Value: +$31,499

Jerome Benedict Durso

Open Market Purchase

Change: +15,000

Price: $3.14

Shares: 47,500

Value: +$47,100

Insider	Filing Date	Transaction	Shares	Change	Price	Value
GREGORY L WEAVER	Apr 01	Open Market Purchase (P) Market Purchase	38,078	+10,000	$3.15	+$31,499
Jerome Benedict Durso	Apr 01	Open Market Purchase (P) Market Purchase	47,500	+15,000	$3.14	+$47,100

March 06, 2026

Jerome Benedict Durso

Open Market Purchase

Change: +20,000

Price: $3.54

Shares: 32,500

Value: +$70,790

GREGORY L WEAVER

Open Market Purchase

Change: +5,000

Price: $3.54

Shares: 28,078

Value: +$17,700

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jerome Benedict Durso	Mar 09	Open Market Purchase (P) Market Purchase	32,500	+20,000	$3.54	+$70,790
GREGORY L WEAVER	Mar 09	Open Market Purchase (P) Market Purchase	28,078	+5,000	$3.54	+$17,700

February 26, 2026

GREGORY L WEAVER

Grant/Award Acquisition

Change: +259,000

Price: $0.00

Shares: 259,000

Value: +$0

M Scot Roberts

Grant/Award Acquisition

Change: +222,670

Price: $0.00

Shares: 222,670

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
GREGORY L WEAVER	Feb 27	Grant/Award Acquisition (A) Compensation/Award	259,000	+259,000	$0.00	+$0
M Scot Roberts	Feb 27	Grant/Award Acquisition (A) Compensation/Award	222,670	+222,670	$0.00	+$0

February 02, 2026

M Scot Roberts

Option Exercise/Conversion

Change: +7,775

Price: $0.00

Shares: 115,153

Value: +$0

M Scot Roberts

Tax Payment

Change: -2,329

Price: $5.55

Shares: 112,824

Value: -$12,925

Insider	Filing Date	Transaction	Shares	Change	Price	Value
M Scot Roberts	Feb 03	Option Exercise/Conversion (M) Compensation/Award	115,153	+7,775	$0.00	+$0
M Scot Roberts	Feb 03	Tax Payment (F) Tax Payment	112,824	-2,329	$5.55	-$12,925

January 31, 2026

M Scot Roberts

Grant/Award Acquisition

Change: +5,567

Price: $3.07

Shares: 107,378

Value: +$17,090

Raymond M Jordt

Grant/Award Acquisition

Change: +4,571

Price: $3.07

Shares: 70,107

Value: +$14,032

Vipin K Garg

Grant/Award Acquisition

Change: +6,926

Price: $3.07

Shares: 424,519

Value: +$21,262

Insider	Filing Date	Transaction	Shares	Change	Price	Value
M Scot Roberts	Feb 03	Grant/Award Acquisition (A) Compensation/Award	107,378	+5,567	$3.07	+$17,090
Raymond M Jordt	Feb 02	Grant/Award Acquisition (A) Compensation/Award	70,107	+4,571	$3.07	+$14,032
Vipin K Garg	Feb 02	Grant/Award Acquisition (A) Compensation/Award	424,519	+6,926	$3.07	+$21,262