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$TPST

$1.29 -$0.02 (1.53%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Stephen R Brady

550,000 shares

Net: 0 B/S: -

III Louis J Arcudi

400,000 shares

Net: 0 B/S: -

James Woodruff Lillie

357,057 shares

Net: 0 B/S: -

Samuel Whiting

270,000 shares

Net: 0 B/S: -

Harald F. Stock

251,228 shares

Net: 0 B/S: -

Matthew Angel

231,482 shares

Net: +501,103 B/S: ∞

Ventures IV, LLC Versant

209,941 shares

Net: 0 B/S: -

Thomas Malley

204,981 shares

Net: 0 B/S: -

Michelle Dipp

175,000 shares

Net: 0 B/S: -

Nicholas Maestas

140,000 shares

Net: +140,000 B/S: ∞

JONATHAN GILLIS

128,645 shares

Net: 0 B/S: -

Jennifer Lynn Minai-Azary

110,000 shares

Net: 0 B/S: -

Thomas W. Dubensky

102,700 shares

Net: 0 B/S: -

TAMARA L JOSEPH

80,000 shares

Net: 0 B/S: -

Ryan Zeidan

80,000 shares

Net: 0 B/S: -

Christophe Arbet-Engels

80,000 shares

Net: 0 B/S: -

Pharis Mohideen

64,000 shares

Net: 0 B/S: -

Jeffery M. Brinza

56,000 shares

Net: 0 B/S: -

Jeffrey E Young

53,750 shares

Net: 0 B/S: -

Christopher A. Kroeger

47,666 shares

Net: 0 B/S: -

Christophe Couturier

45,750 shares

Net: 0 B/S: -

MARY FISHER

37,609 shares

Net: 0 B/S: -

ARTHUR TZIANABOS

25,400 shares

Net: 0 B/S: -

Julia C. Owens

24,000 shares

Net: 0 B/S: -

Justin Trojanowski

22,000 shares

Net: +22,000 B/S: ∞

James M. Hindman

12,000 shares

Net: 0 B/S: -

JEFFREY D CAPELLO

12,000 shares

Net: 0 B/S: -

John Sexton

12,000 shares

Net: 0 B/S: -

Carol Giltner Gallagher

12,000 shares

Net: 0 B/S: -

Habib J Dable

12,000 shares

Net: 0 B/S: -

Mary Lynne Hedley

12,000 shares

Net: 0 B/S: -

MARC D KOZIN

12,000 shares

Net: 0 B/S: -

RANDALL W WHITCOMB

12,000 shares

Net: 0 B/S: -

JOHN P MD HOWE

12,000 shares

Net: 0 B/S: -

Carole Nuechterlein

12,000 shares

Net: 0 B/S: -

Pierre Lorenzo

8,477 shares

Net: 0 B/S: -

Stella Xu

6,635 shares

Net: 0 B/S: -

RICHARD ALDRICH

6,169 shares

Net: 0 B/S: -

Thomas Woiwode

3,500 shares

Net: 0 B/S: -

PAUL W.D. CHAPMAN

3,100 shares

Net: 0 B/S: -

GEOFFREY NICHOL

1,230 shares

Net: +1,230 B/S: ∞

Ronit Simantov

1,230 shares

Net: +1,230 B/S: ∞

MICHAEL RAAB

1,230 shares

Net: +1,230 B/S: ∞

Christine A Pellizzari

1,230 shares

Net: +1,230 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Stephen R Brady	550,000	0	-
III Louis J Arcudi	400,000	0	-
James Woodruff Lillie	357,057	0	-
Samuel Whiting	270,000	0	-
Harald F. Stock	251,228	0	-
Matthew Angel	231,482	+501,103	∞
Ventures IV, LLC Versant	209,941	0	-
Thomas Malley	204,981	0	-
Michelle Dipp	175,000	0	-
Nicholas Maestas	140,000	+140,000	∞
JONATHAN GILLIS	128,645	0	-
Jennifer Lynn Minai-Azary	110,000	0	-
Thomas W. Dubensky	102,700	0	-
TAMARA L JOSEPH	80,000	0	-
Ryan Zeidan	80,000	0	-
Christophe Arbet-Engels	80,000	0	-
Pharis Mohideen	64,000	0	-
Jeffery M. Brinza	56,000	0	-
Jeffrey E Young	53,750	0	-
Christopher A. Kroeger	47,666	0	-
Christophe Couturier	45,750	0	-
MARY FISHER	37,609	0	-
ARTHUR TZIANABOS	25,400	0	-
Julia C. Owens	24,000	0	-
Justin Trojanowski	22,000	+22,000	∞
James M. Hindman	12,000	0	-
JEFFREY D CAPELLO	12,000	0	-
John Sexton	12,000	0	-
Carol Giltner Gallagher	12,000	0	-
Habib J Dable	12,000	0	-
Mary Lynne Hedley	12,000	0	-
MARC D KOZIN	12,000	0	-
RANDALL W WHITCOMB	12,000	0	-
JOHN P MD HOWE	12,000	0	-
Carole Nuechterlein	12,000	0	-
Pierre Lorenzo	8,477	0	-
Stella Xu	6,635	0	-
RICHARD ALDRICH	6,169	0	-
Thomas Woiwode	3,500	0	-
PAUL W.D. CHAPMAN	3,100	0	-
GEOFFREY NICHOL	1,230	+1,230	∞
Ronit Simantov	1,230	+1,230	∞
MICHAEL RAAB	1,230	+1,230	∞
Christine A Pellizzari	1,230	+1,230	∞

Individual Transactions

March 31, 2026

Nicholas Maestas

Grant/Award Acquisition

Change: +140,000

Price: $0.00

Shares: 140,000

Value: +$0

Justin Trojanowski

Grant/Award Acquisition

Change: +22,000

Price: $0.00

Shares: 22,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Nicholas Maestas	Apr 02	Grant/Award Acquisition (A) Compensation/Award	140,000	+140,000	$0.00	+$0
Justin Trojanowski	Apr 02	Grant/Award Acquisition (A) Compensation/Award	22,000	+22,000	$0.00	+$0

March 24, 2026

Matthew Angel

Open Market Purchase

Change: +231,482

Price: $2.16

Shares: 231,482

Value: +$500,001

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Matthew Angel	Mar 25	Open Market Purchase (P) Market Purchase	231,482	+231,482	$2.16	+$500,001

February 04, 2026

Matthew Angel

Grant/Award Acquisition

Change: +269,621

Price: $0.00

Shares: 269,621

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Matthew Angel	Feb 06	Grant/Award Acquisition (A) Compensation/Award	269,621	+269,621	$0.00	+$0

January 27, 2026

Ronit Simantov

Grant/Award Acquisition

Change: +1,230

Price: $0.00

Shares: 1,230

Value: +$0

MICHAEL RAAB

Grant/Award Acquisition

Change: +1,230

Price: $0.00

Shares: 1,230

Value: +$0

GEOFFREY NICHOL

Grant/Award Acquisition

Change: +1,230

Price: $0.00

Shares: 1,230

Value: +$0

Christine A Pellizzari

Grant/Award Acquisition

Change: +1,230

Price: $0.00

Shares: 1,230

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ronit Simantov	Jan 28	Grant/Award Acquisition (A) Compensation/Award	1,230	+1,230	$0.00	+$0
MICHAEL RAAB	Jan 28	Grant/Award Acquisition (A) Compensation/Award	1,230	+1,230	$0.00	+$0
GEOFFREY NICHOL	Jan 28	Grant/Award Acquisition (A) Compensation/Award	1,230	+1,230	$0.00	+$0
Christine A Pellizzari	Jan 28	Grant/Award Acquisition (A) Compensation/Award	1,230	+1,230	$0.00	+$0

January 02, 2025

Stephen R Brady

Grant/Award Acquisition

Change: +550,000

Price: $0.00

Shares: 550,000

Value: +$0

Samuel Whiting

Grant/Award Acquisition

Change: +270,000

Price: $0.00

Shares: 270,000

Value: +$0

Justin Trojanowski

Grant/Award Acquisition

Change: +30,000

Price: $0.00

Shares: 30,000

Value: +$0

Nicholas Maestas

Grant/Award Acquisition

Change: +200,000

Price: $0.00

Shares: 200,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephen R Brady	Jan 06	Grant/Award Acquisition (A) Compensation/Award	550,000	+550,000	$0.00	+$0
Samuel Whiting	Jan 06	Grant/Award Acquisition (A) Compensation/Award	270,000	+270,000	$0.00	+$0
Justin Trojanowski	Jan 06	Grant/Award Acquisition (A) Compensation/Award	30,000	+30,000	$0.00	+$0
Nicholas Maestas	Jan 06	Grant/Award Acquisition (A) Compensation/Award	200,000	+200,000	$0.00	+$0

August 12, 2024

Ventures IV, LLC Versant

Open Market Sale

Change: -387,999

Price: $1.10

Shares: 209,941

Value: -$426,992

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ventures IV, LLC Versant	Aug 12	Open Market Sale (S) Market Sale	209,941	-387,999	$1.10	-$426,992

August 08, 2024

Ventures IV, LLC Versant

Open Market Sale

Change: -400,000

Price: $1.35

Shares: 597,940

Value: -$540,040

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ventures IV, LLC Versant	Aug 12	Open Market Sale (S) Market Sale	597,940	-400,000	$1.35	-$540,040

July 03, 2024

Stephen R Brady

Open Market Purchase

Change: +35,000

Price: $2.11

Shares: 46,376

Value: +$73,850

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephen R Brady	Jul 08	Open Market Purchase (P) Market Purchase	46,376	+35,000	$2.11	+$73,850

July 02, 2024

Samuel Whiting

Open Market Purchase

Change: +4,672

Price: $2.13

Shares: 9,573

Value: +$9,951

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Samuel Whiting	Jul 03	Open Market Purchase (P) Market Purchase	9,573	+4,672	$2.13	+$9,951

June 28, 2024

Justin Trojanowski

Open Market Purchase

Change: +7,500

Price: $2.16

Shares: 22,168

Value: +$16,200

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Justin Trojanowski	Jul 02	Open Market Purchase (P) Market Purchase	22,168	+7,500	$2.16	+$16,200

June 13, 2024

MICHAEL RAAB

Grant/Award Acquisition

Change: +16,000

Price: $0.00

Shares: 16,000

Value: +$0

Christine A Pellizzari

Grant/Award Acquisition

Change: +16,000

Price: $0.00

Shares: 16,000

Value: +$0

GEOFFREY NICHOL

Grant/Award Acquisition

Change: +16,000

Price: $0.00

Shares: 16,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
MICHAEL RAAB	Jun 14	Grant/Award Acquisition (A) Compensation/Award	16,000	+16,000	$0.00	+$0
Christine A Pellizzari	Jun 14	Grant/Award Acquisition (A) Compensation/Award	16,000	+16,000	$0.00	+$0
GEOFFREY NICHOL	Jun 14	Grant/Award Acquisition (A) Compensation/Award	16,000	+16,000	$0.00	+$0