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$PRPO

$24.60 +$0.56 (2.33%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

RANDAL J KIRK

533,809 shares

Net: 0 B/S: -

Carl Iberger

150,000 shares

Net: 0 B/S: -

Samuel D Riccitelli

75,000 shares

Net: 0 B/S: -

David Seth Cohen

54,679 shares

Net: +4,871 B/S: ∞

Mark Rimer

40,000 shares

Net: 0 B/S: -

Michael A Luther

31,025 shares

Net: 0 B/S: -

Douglas Fisher

25,000 shares

Net: 0 B/S: -

Jeffrey Cossman

16,133 shares

Net: +4,206 B/S: ∞

ILAN DANIELI

15,000 shares

Net: +15,000 B/S: ∞

KATHLEEN LAPORTE

7,382 shares

Net: -3,421 B/S: 0.44

Robert Patzig

7,000 shares

Net: 0 B/S: -

Douglas Carl Fisher

5,572 shares

Net: 0 B/S: -

Christina Rizopoulos Valauri

5,520 shares

Net: +1,999 B/S: ∞

Matthew Gage

5,000 shares

Net: +5,000 B/S: ∞

Doit II Koppler

5,000 shares

Net: 0 B/S: -

Mya Thomae

5,000 shares

Net: 0 B/S: -

RONALD ASBURY ANDREWS

1,500 shares

Net: +3,312 B/S: ∞

RICHARD A SANDBERG

1,500 shares

Net: +1,500 B/S: ∞

Ahmed Zaki Sabet

1,034 shares

Net: +15,171 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
RANDAL J KIRK	533,809	0	-
Carl Iberger	150,000	0	-
Samuel D Riccitelli	75,000	0	-
David Seth Cohen	54,679	+4,871	∞
Mark Rimer	40,000	0	-
Michael A Luther	31,025	0	-
Douglas Fisher	25,000	0	-
Jeffrey Cossman	16,133	+4,206	∞
ILAN DANIELI	15,000	+15,000	∞
KATHLEEN LAPORTE	7,382	-3,421	0.44
Robert Patzig	7,000	0	-
Douglas Carl Fisher	5,572	0	-
Christina Rizopoulos Valauri	5,520	+1,999	∞
Matthew Gage	5,000	+5,000	∞
Doit II Koppler	5,000	0	-
Mya Thomae	5,000	0	-
RONALD ASBURY ANDREWS	1,500	+3,312	∞
RICHARD A SANDBERG	1,500	+1,500	∞
Ahmed Zaki Sabet	1,034	+15,171	∞

Individual Transactions

April 15, 2026

Jeffrey Cossman

Grant/Award Acquisition

Change: +365

Price: $29.49

Shares: 16,133

Value: +$10,763

Christina Rizopoulos Valauri

Grant/Award Acquisition

Change: +93

Price: $29.49

Shares: 5,520

Value: +$2,742

David Seth Cohen

Grant/Award Acquisition

Change: +445

Price: $29.49

Shares: 54,679

Value: +$13,123

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jeffrey Cossman	Apr 17	Grant/Award Acquisition (A) Compensation/Award	16,133	+365	$29.49	+$10,763
Christina Rizopoulos Valauri	Apr 17	Grant/Award Acquisition (A) Compensation/Award	5,520	+93	$29.49	+$2,742
David Seth Cohen	Apr 17	Grant/Award Acquisition (A) Compensation/Award	54,679	+445	$29.49	+$13,123

April 01, 2026

Ahmed Zaki Sabet

Open Market Purchase

Change: +19

Price: $27.93

Shares: 1,034

Value: +$530

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ahmed Zaki Sabet	Apr 10	Open Market Purchase (P) Market Purchase	1,034	+19	$27.93	+$530

January 15, 2026

Jeffrey Cossman

Grant/Award Acquisition

Change: +437

Price: $24.00

Shares: 15,777

Value: +$10,488

KATHLEEN LAPORTE

Grant/Award Acquisition

Change: +520

Price: $24.00

Shares: 7,382

Value: +$12,480

Christina Rizopoulos Valauri

Grant/Award Acquisition

Change: +406

Price: $24.00

Shares: 5,427

Value: +$9,744

David Seth Cohen

Grant/Award Acquisition

Change: +546

Price: $24.00

Shares: 54,234

Value: +$13,104

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jeffrey Cossman	Jan 20	Grant/Award Acquisition (A) Compensation/Award	15,777	+437	$24.00	+$10,488
KATHLEEN LAPORTE	Jan 20	Grant/Award Acquisition (A) Compensation/Award	7,382	+520	$24.00	+$12,480
Christina Rizopoulos Valauri	Jan 20	Grant/Award Acquisition (A) Compensation/Award	5,427	+406	$24.00	+$9,744
David Seth Cohen	Jan 20	Grant/Award Acquisition (A) Compensation/Award	54,234	+546	$24.00	+$13,104

January 02, 2026

Ahmed Zaki Sabet

Open Market Purchase

Change: +20

Price: $23.40

Shares: 1,015

Value: +$468

Christina Rizopoulos Valauri

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

Ahmed Zaki Sabet

Grant/Award Acquisition

Change: +15,000

Price: $0.00

Shares: 15,000

Value: +$0

Ahmed Zaki Sabet

Open Market Purchase

Change: +20

Price: $23.40

Shares: 735

Value: +$468

RICHARD A SANDBERG

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

KATHLEEN LAPORTE

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

Matthew Gage

Grant/Award Acquisition

Change: +5,000

Price: $0.00

Shares: 5,000

Value: +$0

ILAN DANIELI

Grant/Award Acquisition

Change: +15,000

Price: $0.00

Shares: 15,000

Value: +$0

Jeffrey Cossman

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

David Seth Cohen

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

RONALD ASBURY ANDREWS

Grant/Award Acquisition

Change: +1,500

Price: $0.00

Shares: 1,500

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ahmed Zaki Sabet	Jan 20	Open Market Purchase (P) Market Purchase	1,015	+20	$23.40	+$468
Christina Rizopoulos Valauri	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0
Ahmed Zaki Sabet	Jan 06	Grant/Award Acquisition (A) Compensation/Award	15,000	+15,000	$0.00	+$0
Ahmed Zaki Sabet	Jan 06	Open Market Purchase (P) Market Purchase	735	+20	$23.40	+$468
RICHARD A SANDBERG	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0
KATHLEEN LAPORTE	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0
Matthew Gage	Jan 06	Grant/Award Acquisition (A) Compensation/Award	5,000	+5,000	$0.00	+$0
ILAN DANIELI	Jan 06	Grant/Award Acquisition (A) Compensation/Award	15,000	+15,000	$0.00	+$0
Jeffrey Cossman	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0
David Seth Cohen	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0
RONALD ASBURY ANDREWS	Jan 06	Grant/Award Acquisition (A) Compensation/Award	1,500	+1,500	$0.00	+$0

October 15, 2025

RONALD ASBURY ANDREWS

Grant/Award Acquisition

Change: +568

Price: $17.58

Shares: 15,796

Value: +$9,985

Insider	Filing Date	Transaction	Shares	Change	Price	Value
RONALD ASBURY ANDREWS	Jan 20	Grant/Award Acquisition (A) Compensation/Award	15,796	+568	$17.58	+$9,985