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$CBIO

$17.63 +$0.63 (3.68%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Group S.A. Artal

8,589,064 shares

Net: 0 B/S: -

RAYMOND DEBBANE

6,317,565 shares

Net: 0 B/S: -

MARK N LAMPERT

4,980,812 shares

Net: 0 B/S: -

PETER J BARRIS

4,702,791 shares

Net: 0 B/S: -

PARTNERS 10 L P NEA

4,702,791 shares

Net: 0 B/S: -

PARTNERS L P/IL BVF

4,306,320 shares

Net: 0 B/S: -

Healthcare Fund II L.P. Fairmount

2,747,866 shares

Net: +1,360,000 B/S: ∞

SCOTT D SANDELL

2,730,334 shares

Net: 0 B/S: -

James E Flynn

1,121,345 shares

Net: 0 B/S: -

Harout Semerjian

695,000 shares

Net: 0 B/S: -

Edwin Rock

680,403 shares

Net: 0 B/S: -

John L. Magnani

366,078 shares

Net: 0 B/S: -

NASSIM USMAN

341,652 shares

Net: 0 B/S: -

Thomas Wilson Eastling

314,652 shares

Net: 0 B/S: -

Joshua T Brumm

313,517 shares

Net: +390,789 B/S: ∞

Bruce S Johnson

250,000 shares

Net: 0 B/S: -

Chinmaya Rath

250,000 shares

Net: 0 B/S: -

Helen M. Thackray

183,115 shares

Net: 0 B/S: -

Jonathan McNeill

153,707 shares

Net: +192,343 B/S: ∞

Edwin Madison

71,428 shares

Net: 0 B/S: -

Brian M. Hahn

70,643 shares

Net: 0 B/S: -

Christopher Grant Doughty

54,194 shares

Net: +14,714 B/S: ∞

Clinton Musil

54,000 shares

Net: 0 B/S: -

Scott Koenig

40,000 shares

Net: 0 B/S: -

Rachel K. King

40,000 shares

Net: 0 B/S: -

TIMOTHY R PEARSON

40,000 shares

Net: 0 B/S: -

Patricia S Andrews

40,000 shares

Net: 0 B/S: -

Mark Alan Goldberg

40,000 shares

Net: 0 B/S: -

Scott Thomas Jackson

40,000 shares

Net: 0 B/S: -

DANIEL M JUNIUS

40,000 shares

Net: 0 B/S: -

Eddie Williams

34,804 shares

Net: 0 B/S: -

Ruoyu Chen

34,380 shares

Net: 0 B/S: -

Geoffrey M.D. Ling

31,790 shares

Net: 0 B/S: -

ERROL B DESOUZA

29,801 shares

Net: 0 B/S: -

Armand Girard

29,161 shares

Net: 0 B/S: -

JEANNE Y JEW

28,000 shares

Net: 0 B/S: -

Jan Pinkas

17,507 shares

Net: +17,507 B/S: ∞

Ellie Eunkyung Im

16,298 shares

Net: +16,298 B/S: ∞

Richard William Scalzo

14,422 shares

Net: +14,422 B/S: ∞

SHARON TETLOW

14,000 shares

Net: 0 B/S: -

Group Ltd. GNI

13,151 shares

Net: 0 B/S: -

Barbara Harlin Bispham

12,422 shares

Net: +12,422 B/S: ∞

M JAMES BARRETT

11,000 shares

Net: 0 B/S: -

FRANKLIN H JR TOP

11,000 shares

Net: 0 B/S: -

MICHAEL A HENOS

11,000 shares

Net: 0 B/S: -

Grant E. Blouse

9,417 shares

Net: 0 B/S: -

Ryan Lynch

8,378 shares

Net: +8,378 B/S: ∞

Veronica Cai

7,353 shares

Net: 0 B/S: -

Fletcher Payne

3,744 shares

Net: 0 B/S: -

John P Richard

3,716 shares

Net: 0 B/S: -

Gordon Carmichael

1,866 shares

Net: 0 B/S: -

Renate Parry

1,866 shares

Net: 0 B/S: -

Han Ying

1,866 shares

Net: 0 B/S: -

Ying Luo

1,866 shares

Net: 0 B/S: -

John J. Baldwin

1,210 shares

Net: 0 B/S: -

STEPHEN A HILL

1,190 shares

Net: 0 B/S: -

Howard Levy

639 shares

Net: 0 B/S: -

HAROLD E SELICK

197 shares

Net: 0 B/S: -

AUGUSTINE LAWLOR

0 shares

Net: 0 B/S: -

Andrea Hunt

0 shares

Net: 0 B/S: -

Seline E. Miller

0 shares

Net: 0 B/S: -

Hong Kong Ltd GNI

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Group S.A. Artal	8,589,064	0	-
RAYMOND DEBBANE	6,317,565	0	-
MARK N LAMPERT	4,980,812	0	-
PETER J BARRIS	4,702,791	0	-
PARTNERS 10 L P NEA	4,702,791	0	-
PARTNERS L P/IL BVF	4,306,320	0	-
Healthcare Fund II L.P. Fairmount	2,747,866	+1,360,000	∞
SCOTT D SANDELL	2,730,334	0	-
James E Flynn	1,121,345	0	-
Harout Semerjian	695,000	0	-
Edwin Rock	680,403	0	-
John L. Magnani	366,078	0	-
NASSIM USMAN	341,652	0	-
Thomas Wilson Eastling	314,652	0	-
Joshua T Brumm	313,517	+390,789	∞
Bruce S Johnson	250,000	0	-
Chinmaya Rath	250,000	0	-
Helen M. Thackray	183,115	0	-
Jonathan McNeill	153,707	+192,343	∞
Edwin Madison	71,428	0	-
Brian M. Hahn	70,643	0	-
Christopher Grant Doughty	54,194	+14,714	∞
Clinton Musil	54,000	0	-
Scott Koenig	40,000	0	-
Rachel K. King	40,000	0	-
TIMOTHY R PEARSON	40,000	0	-
Patricia S Andrews	40,000	0	-
Mark Alan Goldberg	40,000	0	-
Scott Thomas Jackson	40,000	0	-
DANIEL M JUNIUS	40,000	0	-
Eddie Williams	34,804	0	-
Ruoyu Chen	34,380	0	-
Geoffrey M.D. Ling	31,790	0	-
ERROL B DESOUZA	29,801	0	-
Armand Girard	29,161	0	-
JEANNE Y JEW	28,000	0	-
Jan Pinkas	17,507	+17,507	∞
Ellie Eunkyung Im	16,298	+16,298	∞
Richard William Scalzo	14,422	+14,422	∞
SHARON TETLOW	14,000	0	-
Group Ltd. GNI	13,151	0	-
Barbara Harlin Bispham	12,422	+12,422	∞
M JAMES BARRETT	11,000	0	-
FRANKLIN H JR TOP	11,000	0	-
MICHAEL A HENOS	11,000	0	-
Grant E. Blouse	9,417	0	-
Ryan Lynch	8,378	+8,378	∞
Veronica Cai	7,353	0	-
Fletcher Payne	3,744	0	-
John P Richard	3,716	0	-
Gordon Carmichael	1,866	0	-
Renate Parry	1,866	0	-
Han Ying	1,866	0	-
Ying Luo	1,866	0	-
John J. Baldwin	1,210	0	-
STEPHEN A HILL	1,190	0	-
Howard Levy	639	0	-
HAROLD E SELICK	197	0	-
AUGUSTINE LAWLOR	0	0	-
Andrea Hunt	0	0	-
Seline E. Miller	0	0	-
Hong Kong Ltd GNI	0	0	-

Individual Transactions

December 15, 2025

Jan Pinkas

Grant/Award Acquisition

Change: +17,507

Price: $0.00

Shares: 17,507

Value: +$0

Christopher Grant Doughty

Grant/Award Acquisition

Change: +14,714

Price: $0.00

Shares: 54,194

Value: +$0

Joshua T Brumm

Grant/Award Acquisition

Change: +45,117

Price: $0.00

Shares: 313,517

Value: +$0

Richard William Scalzo

Grant/Award Acquisition

Change: +14,422

Price: $0.00

Shares: 14,422

Value: +$0

Jonathan McNeill

Grant/Award Acquisition

Change: +19,507

Price: $0.00

Shares: 153,707

Value: +$0

Ellie Eunkyung Im

Grant/Award Acquisition

Change: +16,298

Price: $0.00

Shares: 16,298

Value: +$0

Ryan Lynch

Grant/Award Acquisition

Change: +8,378

Price: $0.00

Shares: 8,378

Value: +$0

Barbara Harlin Bispham

Grant/Award Acquisition

Change: +12,422

Price: $0.00

Shares: 12,422

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jan Pinkas	Dec 17	Grant/Award Acquisition (A) Compensation/Award	17,507	+17,507	$0.00	+$0
Christopher Grant Doughty	Dec 17	Grant/Award Acquisition (A) Compensation/Award	54,194	+14,714	$0.00	+$0
Joshua T Brumm	Dec 17	Grant/Award Acquisition (A) Compensation/Award	313,517	+45,117	$0.00	+$0
Richard William Scalzo	Dec 17	Grant/Award Acquisition (A) Compensation/Award	14,422	+14,422	$0.00	+$0
Jonathan McNeill	Dec 17	Grant/Award Acquisition (A) Compensation/Award	153,707	+19,507	$0.00	+$0
Ellie Eunkyung Im	Dec 17	Grant/Award Acquisition (A) Compensation/Award	16,298	+16,298	$0.00	+$0
Ryan Lynch	Dec 17	Grant/Award Acquisition (A) Compensation/Award	8,378	+8,378	$0.00	+$0
Barbara Harlin Bispham	Dec 17	Grant/Award Acquisition (A) Compensation/Award	12,422	+12,422	$0.00	+$0

December 08, 2025

Joshua T Brumm

Grant/Award Acquisition

Change: +345,672

Price: $0.00

Shares: 345,672

Value: +$0

Jonathan McNeill

Grant/Award Acquisition

Change: +172,836

Price: $0.00

Shares: 172,836

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Joshua T Brumm	Dec 10	Grant/Award Acquisition (A) Compensation/Award	345,672	+345,672	$0.00	+$0
Jonathan McNeill	Dec 10	Grant/Award Acquisition (A) Compensation/Award	172,836	+172,836	$0.00	+$0

December 04, 2025

Healthcare Fund II L.P. Fairmount

Open Market Purchase

Change: +1,360,000

Price: $13.41

Shares: 2,747,866

Value: +$18,237,600

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Healthcare Fund II L.P. Fairmount	Dec 08	Open Market Purchase (P) Market Purchase	2,747,866	+1,360,000	$13.41	+$18,237,600

August 08, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -260,873

Price: $0.19

Shares: 6,317,565

Value: -$50,009

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 09	Open Market Sale (S) Market Sale	6,317,565	-260,873	$0.19	-$50,009

August 07, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -61,488

Price: $0.18

Shares: 6,578,438

Value: -$11,196

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 09	Open Market Sale (S) Market Sale	6,578,438	-61,488	$0.18	-$11,196

August 06, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -55,732

Price: $0.18

Shares: 6,639,926

Value: -$10,187

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 07	Open Market Sale (S) Market Sale	6,639,926	-55,732	$0.18	-$10,187

August 05, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -164,523

Price: $0.19

Shares: 6,695,658

Value: -$30,996

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 07	Open Market Sale (S) Market Sale	6,695,658	-164,523	$0.19	-$30,996

August 02, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -286,200

Price: $0.20

Shares: 6,860,181

Value: -$57,354

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 05	Open Market Sale (S) Market Sale	6,860,181	-286,200	$0.20	-$57,354

August 01, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -63,564

Price: $0.22

Shares: 7,146,381

Value: -$13,742

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Aug 05	Open Market Sale (S) Market Sale	7,146,381	-63,564	$0.22	-$13,742

July 30, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -756,835

Price: $0.22

Shares: 7,209,945

Value: -$167,184

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Jul 30	Open Market Sale (S) Market Sale	7,209,945	-756,835	$0.22	-$167,184

July 29, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -363,949

Price: $0.24

Shares: 7,966,780

Value: -$85,637

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Jul 30	Open Market Sale (S) Market Sale	7,966,780	-363,949	$0.24	-$85,637

July 26, 2024

RAYMOND DEBBANE

Open Market Sale

Change: -258,335

Price: $0.24

Shares: 8,330,729

Value: -$62,439

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RAYMOND DEBBANE	Jul 30	Open Market Sale (S) Market Sale	8,330,729	-258,335	$0.24	-$62,439