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$CSBR

$5.79 +$0.07 (1.14%)

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Insider Transactions

Insider Transaction Summary

Ventures IX, L.P. Battery

2,135,215 shares

Net: 0 B/S: -

SCOTT D SANDELL

1,713,720 shares

Net: 0 B/S: -

Ronnie Morris

858,878 shares

Net: 0 B/S: -

Robert Lawrence Brainin

299,163 shares

Net: +225,000 B/S: ∞

Brady Davis

135,000 shares

Net: 0 B/S: -

Abba David Poliakoff

81,274 shares

Net: 0 B/S: -

SCOTT R TOBIN

25,460 shares

Net: +25,460 B/S: ∞

JOEL ACKERMAN

21,216 shares

Net: +115,621 B/S: ∞

DAVID SIDRANSKY

21,216 shares

Net: +21,216 B/S: ∞

Daniel Newman Mendelson

13,790 shares

Net: +13,790 B/S: ∞

Philip P. Breitfeld

13,790 shares

Net: +13,790 B/S: ∞

DAVID BARRY MILLER

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Ventures IX, L.P. Battery	2,135,215	0	-
SCOTT D SANDELL	1,713,720	0	-
Ronnie Morris	858,878	0	-
Robert Lawrence Brainin	299,163	+225,000	∞
Brady Davis	135,000	0	-
Abba David Poliakoff	81,274	0	-
SCOTT R TOBIN	25,460	+25,460	∞
JOEL ACKERMAN	21,216	+115,621	∞
DAVID SIDRANSKY	21,216	+21,216	∞
Daniel Newman Mendelson	13,790	+13,790	∞
Philip P. Breitfeld	13,790	+13,790	∞
DAVID BARRY MILLER	0	0	-

Individual Transactions

November 05, 2025

Philip P. Breitfeld

Grant/Award Acquisition

Change: +13,790

Price: $6.80

Shares: 13,790

Value: +$93,772

Daniel Newman Mendelson

Grant/Award Acquisition

Change: +13,790

Price: $6.80

Shares: 13,790

Value: +$93,772

DAVID SIDRANSKY

Grant/Award Acquisition

Change: +21,216

Price: $6.80

Shares: 21,216

Value: +$144,268

JOEL ACKERMAN

Grant/Award Acquisition

Change: +21,216

Price: $6.80

Shares: 21,216

Value: +$144,268

SCOTT R TOBIN

Grant/Award Acquisition

Change: +25,460

Price: $6.80

Shares: 25,460

Value: +$173,128

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Philip P. Breitfeld	Nov 07	Grant/Award Acquisition (A) Compensation/Award	13,790	+13,790	$6.80	+$93,772
Daniel Newman Mendelson	Nov 07	Grant/Award Acquisition (A) Compensation/Award	13,790	+13,790	$6.80	+$93,772
DAVID SIDRANSKY	Nov 07	Grant/Award Acquisition (A) Compensation/Award	21,216	+21,216	$6.80	+$144,268
JOEL ACKERMAN	Nov 07	Grant/Award Acquisition (A) Compensation/Award	21,216	+21,216	$6.80	+$144,268
SCOTT R TOBIN	Nov 07	Grant/Award Acquisition (A) Compensation/Award	25,460	+25,460	$6.80	+$173,128

October 30, 2025

JOEL ACKERMAN

Option Exercise/Conversion

Change: +94,405

Price: $2.10

Shares: 1,056,539

Value: +$198,250

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JOEL ACKERMAN	Nov 06	Option Exercise/Conversion (M) Compensation/Award	1,056,539	+94,405	$2.10	+$198,250

July 16, 2025

Robert Lawrence Brainin

Grant/Award Acquisition

Change: +225,000

Price: $7.80

Shares: 299,163

Value: +$1,755,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Robert Lawrence Brainin	Jan 30	Grant/Award Acquisition (A) Compensation/Award	299,163	+225,000	$7.80	+$1,755,000

March 25, 2025

Philip P. Breitfeld

Other Transaction

Change: -4,150

Price: $0.00

Shares: 5,717

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Philip P. Breitfeld	Apr 02	Other Transaction (J) Other	5,717	-4,150	$0.00	-$0

November 12, 2024

Philip P. Breitfeld

Grant/Award Acquisition

Change: +18,715

Price: $4.64

Shares: 18,715

Value: +$86,837

Daniel Newman Mendelson

Grant/Award Acquisition

Change: +21,590

Price: $4.64

Shares: 21,590

Value: +$100,177

DAVID SIDRANSKY

Grant/Award Acquisition

Change: +21,880

Price: $4.64

Shares: 21,880

Value: +$101,523

JOEL ACKERMAN

Grant/Award Acquisition

Change: +43,190

Price: $4.64

Shares: 43,190

Value: +$200,401

SCOTT R TOBIN

Grant/Award Acquisition

Change: +34,550

Price: $4.64

Shares: 34,550

Value: +$160,312

Robert Lawrence Brainin

Grant/Award Acquisition

Change: +23,030

Price: $4.64

Shares: 74,163

Value: +$106,859

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Philip P. Breitfeld	Nov 18	Grant/Award Acquisition (A) Compensation/Award	18,715	+18,715	$4.64	+$86,837
Daniel Newman Mendelson	Nov 18	Grant/Award Acquisition (A) Compensation/Award	21,590	+21,590	$4.64	+$100,177
DAVID SIDRANSKY	Nov 18	Grant/Award Acquisition (A) Compensation/Award	21,880	+21,880	$4.64	+$101,523
JOEL ACKERMAN	Nov 18	Grant/Award Acquisition (A) Compensation/Award	43,190	+43,190	$4.64	+$200,401
SCOTT R TOBIN	Nov 18	Grant/Award Acquisition (A) Compensation/Award	34,550	+34,550	$4.64	+$160,312
Robert Lawrence Brainin	Jan 30	Grant/Award Acquisition (A) Compensation/Award	74,163	+23,030	$4.64	+$106,859

October 31, 2024

JOEL ACKERMAN

Option Exercise/Conversion

Change: +88,470

Price: $2.10

Shares: 945,467

Value: +$185,787

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JOEL ACKERMAN	Nov 01	Option Exercise/Conversion (M) Compensation/Award	945,467	+88,470	$2.10	+$185,787

January 12, 2024

Daniel Newman Mendelson

Open Market Purchase

Change: +1,000

Price: $6.50

Shares: 198,625

Value: +$6,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Newman Mendelson	Jan 16	Open Market Purchase (P) Market Purchase	198,625	+1,000	$6.50	+$6,500

January 11, 2024

Daniel Newman Mendelson

Open Market Purchase

Change: +2,000

Price: $6.27

Shares: 197,625

Value: +$12,540

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Newman Mendelson	Jan 12	Open Market Purchase (P) Market Purchase	197,625	+2,000	$6.27	+$12,540

January 10, 2024

Daniel Newman Mendelson

Open Market Purchase

Change: +2,944

Price: $6.31

Shares: 195,625

Value: +$18,576

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Newman Mendelson	Jan 11	Open Market Purchase (P) Market Purchase	195,625	+2,944	$6.31	+$18,576

January 09, 2024

Daniel Newman Mendelson

Open Market Purchase

Change: +3,000

Price: $6.25

Shares: 192,681

Value: +$18,750

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Newman Mendelson	Jan 10	Open Market Purchase (P) Market Purchase	192,681	+3,000	$6.25	+$18,750

January 08, 2024

Daniel Newman Mendelson

Open Market Purchase

Change: +1,000

Price: $6.15

Shares: 189,681

Value: +$6,150

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Newman Mendelson	Jan 09	Open Market Purchase (P) Market Purchase	189,681	+1,000	$6.15	+$6,150