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$CERO

$0.12 +$0.11 (830.23%)

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Insider Transactions

Insider Transaction Summary

STUART M SLOAN

21,067,956 shares

Net: 0 B/S: -

Bioventures Opportunities Fund I, L.P. YK

13,005,169 shares

Net: 0 B/S: -

Christopher B Ehrlich

4,530,997 shares

Net: +4,530,997 B/S: ∞

Eric Francois

1,823,278 shares

Net: +1,823,278 B/S: ∞

BRIAN G ATWOOD

1,612,099 shares

Net: +1,612,099 B/S: ∞

Kristen Pierce

1,612,099 shares

Net: +1,612,099 B/S: ∞

ANDREW ALBERT KUCHARCHUK

1,162,099 shares

Net: +1,162,099 B/S: ∞

KATHLEEN LAPORTE

690,900 shares

Net: +690,900 B/S: ∞

Michael Byrnes

690,900 shares

Net: +690,900 B/S: ∞

Shami Patel

690,900 shares

Net: +690,900 B/S: ∞

Lindsey Rolfe

690,900 shares

Net: +690,900 B/S: ∞

Charles Ross Carter

100,000 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
STUART M SLOAN	21,067,956	0	-
Bioventures Opportunities Fund I, L.P. YK	13,005,169	0	-
Christopher B Ehrlich	4,530,997	+4,530,997	∞
Eric Francois	1,823,278	+1,823,278	∞
BRIAN G ATWOOD	1,612,099	+1,612,099	∞
Kristen Pierce	1,612,099	+1,612,099	∞
ANDREW ALBERT KUCHARCHUK	1,162,099	+1,162,099	∞
KATHLEEN LAPORTE	690,900	+690,900	∞
Michael Byrnes	690,900	+690,900	∞
Shami Patel	690,900	+690,900	∞
Lindsey Rolfe	690,900	+690,900	∞
Charles Ross Carter	100,000	0	-

Individual Transactions

March 04, 2026

Eric Francois

Grant/Award Acquisition

Change: +1,823,278

Price: $0.00

Shares: 1,823,278

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Eric Francois	Apr 21	Grant/Award Acquisition (A) Compensation/Award	1,823,278	+1,823,278	$0.00	+$0

January 07, 2026

KATHLEEN LAPORTE

Grant/Award Acquisition

Change: +690,900

Price: $0.00

Shares: 690,900

Value: +$0

BRIAN G ATWOOD

Grant/Award Acquisition

Change: +1,612,099

Price: $0.00

Shares: 1,612,099

Value: +$0

Kristen Pierce

Grant/Award Acquisition

Change: +1,612,099

Price: $0.00

Shares: 1,612,099

Value: +$0

ANDREW ALBERT KUCHARCHUK

Grant/Award Acquisition

Change: +1,162,099

Price: $0.00

Shares: 1,162,099

Value: +$0

Lindsey Rolfe

Grant/Award Acquisition

Change: +690,900

Price: $0.00

Shares: 690,900

Value: +$0

Michael Byrnes

Grant/Award Acquisition

Change: +690,900

Price: $0.00

Shares: 690,900

Value: +$0

Shami Patel

Grant/Award Acquisition

Change: +690,900

Price: $0.00

Shares: 690,900

Value: +$0

Christopher B Ehrlich

Grant/Award Acquisition

Change: +4,530,997

Price: $0.00

Shares: 4,530,997

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
KATHLEEN LAPORTE	Jan 09	Grant/Award Acquisition (A) Compensation/Award	690,900	+690,900	$0.00	+$0
BRIAN G ATWOOD	Jan 09	Grant/Award Acquisition (A) Compensation/Award	1,612,099	+1,612,099	$0.00	+$0
Kristen Pierce	Jan 09	Grant/Award Acquisition (A) Compensation/Award	1,612,099	+1,612,099	$0.00	+$0
ANDREW ALBERT KUCHARCHUK	Jan 09	Grant/Award Acquisition (A) Compensation/Award	1,162,099	+1,162,099	$0.00	+$0
Lindsey Rolfe	Jan 09	Grant/Award Acquisition (A) Compensation/Award	690,900	+690,900	$0.00	+$0
Michael Byrnes	Jan 09	Grant/Award Acquisition (A) Compensation/Award	690,900	+690,900	$0.00	+$0
Shami Patel	Jan 09	Grant/Award Acquisition (A) Compensation/Award	690,900	+690,900	$0.00	+$0
Christopher B Ehrlich	Jan 09	Grant/Award Acquisition (A) Compensation/Award	4,530,997	+4,530,997	$0.00	+$0

May 30, 2025

Shami Patel

Grant/Award Acquisition

Change: +11,693

Price: $0.00

Shares: 11,693

Value: +$0

Kristen Pierce

Grant/Award Acquisition

Change: +154,841

Price: $0.00

Shares: 154,841

Value: +$0

ANDREW ALBERT KUCHARCHUK

Grant/Award Acquisition

Change: +152,500

Price: $0.00

Shares: 152,500

Value: +$0

Lindsey Rolfe

Grant/Award Acquisition

Change: +9,326

Price: $0.00

Shares: 9,326

Value: +$0

Michael Byrnes

Grant/Award Acquisition

Change: +9,326

Price: $0.00

Shares: 9,326

Value: +$0

Christopher B Ehrlich

Grant/Award Acquisition

Change: +61,843

Price: $0.00

Shares: 61,842

Value: +$0

BRIAN G ATWOOD

Grant/Award Acquisition

Change: +122,549

Price: $0.00

Shares: 122,549

Value: +$0

KATHLEEN LAPORTE

Grant/Award Acquisition

Change: +9,326

Price: $0.00

Shares: 9,326

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Shami Patel	Jun 02	Grant/Award Acquisition (A) Compensation/Award	11,693	+11,693	$0.00	+$0
Kristen Pierce	Jun 02	Grant/Award Acquisition (A) Compensation/Award	154,841	+154,841	$0.00	+$0
ANDREW ALBERT KUCHARCHUK	Jun 02	Grant/Award Acquisition (A) Compensation/Award	152,500	+152,500	$0.00	+$0
Lindsey Rolfe	Jun 02	Grant/Award Acquisition (A) Compensation/Award	9,326	+9,326	$0.00	+$0
Michael Byrnes	Jun 02	Grant/Award Acquisition (A) Compensation/Award	9,326	+9,326	$0.00	+$0
Christopher B Ehrlich	Jun 02	Grant/Award Acquisition (A) Compensation/Award	61,842	+61,843	$0.00	+$0
BRIAN G ATWOOD	Jun 02	Grant/Award Acquisition (A) Compensation/Award	122,549	+122,549	$0.00	+$0
KATHLEEN LAPORTE	Jun 02	Grant/Award Acquisition (A) Compensation/Award	9,326	+9,326	$0.00	+$0

March 31, 2025

BRIAN G ATWOOD

Option Exercise/Conversion

Change: +294,460

Price: $0.00

Shares: 490,534

Value: +$29

Insider	Filing Date	Transaction	Shares	Change	Price	Value
BRIAN G ATWOOD	Apr 04	Option Exercise/Conversion (M) Compensation/Award	490,534	+294,460	$0.00	+$29

March 04, 2025

Lindsey Rolfe

Grant/Award Acquisition

Change: +17,923

Price: $0.00

Shares: 17,923

Value: +$0

Michael Byrnes

Grant/Award Acquisition

Change: +17,923

Price: $0.00

Shares: 17,923

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Lindsey Rolfe	Mar 06	Grant/Award Acquisition (A) Compensation/Award	17,923	+17,923	$0.00	+$0
Michael Byrnes	Mar 06	Grant/Award Acquisition (A) Compensation/Award	17,923	+17,923	$0.00	+$0