Understand Stock

$SPFX

$1.95 +$0.00 (0.0%)

Deep Research with AI Research

Overview

$SPFX Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

William Koppelmann

807,155 shares

Net: +1,000 B/S: ∞

Carl Christian Hoechner

172,300 shares

Net: +200 B/S: ∞

John Leavitt

92,500 shares

Net: 0 B/S: -

Brian Krogol

88,720 shares

Net: +1,120 B/S: ∞

Mark Eliot Kutner

50,000 shares

Net: 0 B/S: -

Bobby Story

50,000 shares

Net: 0 B/S: -

Samuel Konig

37,500 shares

Net: 0 B/S: -

Margaret Ruiz

17,478 shares

Net: 0 B/S: -

Victor Galliano

15,359 shares

Net: 0 B/S: -

Ramon Mejido

12,600 shares

Net: 0 B/S: -

Robert Mattucci

11,403 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
William Koppelmann	807,155	+1,000	∞
Carl Christian Hoechner	172,300	+200	∞
John Leavitt	92,500	0	-
Brian Krogol	88,720	+1,120	∞
Mark Eliot Kutner	50,000	0	-
Bobby Story	50,000	0	-
Samuel Konig	37,500	0	-
Margaret Ruiz	17,478	0	-
Victor Galliano	15,359	0	-
Ramon Mejido	12,600	0	-
Robert Mattucci	11,403	0	-

Individual Transactions

December 10, 2025

William Koppelmann

Open Market Purchase

Change: +1,000

Price: $1.91

Shares: 807,155

Value: +$1,908

Insider	Filing Date	Transaction	Shares	Change	Price	Value
William Koppelmann	Dec 15	Open Market Purchase (P) Market Purchase	807,155	+1,000	$1.91	+$1,908

November 25, 2025

Carl Christian Hoechner

Open Market Purchase

Change: +100

Price: $1.95

Shares: 172,300

Value: +$195

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Nov 26	Open Market Purchase (P) Market Purchase	172,300	+100	$1.95	+$195

November 21, 2025

Brian Krogol

Open Market Purchase

Change: +1,120

Price: $2.29

Shares: 88,720

Value: +$2,564

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian Krogol	Nov 25	Open Market Purchase (P) Market Purchase	88,720	+1,120	$2.29	+$2,564

November 18, 2025

Carl Christian Hoechner

Open Market Purchase

Change: +100

Price: $2.25

Shares: 172,200

Value: +$225

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Nov 19	Open Market Purchase (P) Market Purchase	172,200	+100	$2.25	+$225

December 10, 2024

William Koppelmann

Open Market Purchase

Change: +2,500

Price: $1.70

Shares: 806,155

Value: +$4,257

Insider	Filing Date	Transaction	Shares	Change	Price	Value
William Koppelmann	Dec 11	Open Market Purchase (P) Market Purchase	806,155	+2,500	$1.70	+$4,257

November 18, 2024

Brian Krogol

Open Market Purchase

Change: +2,000

Price: $1.30

Shares: 87,600

Value: +$2,600

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian Krogol	Nov 19	Open Market Purchase (P) Market Purchase	87,600	+2,000	$1.30	+$2,600

October 16, 2024

Carl Christian Hoechner

Open Market Purchase

Change: +100

Price: $1.35

Shares: 172,100

Value: +$134

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Oct 16	Open Market Purchase (P) Market Purchase	172,100	+100	$1.35	+$134

September 06, 2024

Carl Christian Hoechner

Open Market Purchase

Change: +224

Price: $1.50

Shares: 172,000

Value: +$336

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Sep 23	Open Market Purchase (P) Market Purchase	172,000	+224	$1.50	+$336

August 23, 2024

Carl Christian Hoechner

Open Market Purchase

Change: +200

Price: $1.75

Shares: 171,776

Value: +$350

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Sep 23	Open Market Purchase (P) Market Purchase	171,776	+200	$1.75	+$350

August 22, 2024

Carl Christian Hoechner

Open Market Purchase

Change: +500

Price: $1.75

Shares: 171,576

Value: +$875

Brian Krogol

Open Market Purchase

Change: +200

Price: $1.75

Shares: 85,600

Value: +$350

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Sep 23	Open Market Purchase (P) Market Purchase	171,576	+500	$1.75	+$875
Brian Krogol	Aug 22	Open Market Purchase (P) Market Purchase	85,600	+200	$1.75	+$350

August 21, 2024

Brian Krogol

Open Market Purchase

Change: +1,600

Price: $1.72

Shares: 85,400

Value: +$2,752

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian Krogol	Aug 22	Open Market Purchase (P) Market Purchase	85,400	+1,600	$1.72	+$2,752

August 14, 2024

Ramon Mejido

In/At-money Exercise

Change: +12,500

Price: $0.80

Shares: 12,600

Value: +$10,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ramon Mejido	Aug 14	In/At-money Exercise (X) Derivative Exercise	12,600	+12,500	$0.80	+$10,000

August 09, 2024

Brian Krogol

In/At-money Exercise

Change: +83,700

Price: $0.80

Shares: 83,800

Value: +$66,960

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian Krogol	Aug 12	In/At-money Exercise (X) Derivative Exercise	83,800	+83,700	$0.80	+$66,960

April 18, 2023

John Leavitt

Open Market Purchase

Change: +1,000

Price: $6.03

Shares: 92,500

Value: +$6,030

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John Leavitt	Apr 21	Open Market Purchase (P) Market Purchase	92,500	+1,000	$6.03	+$6,030

July 01, 2022

Carl Christian Hoechner

Open Market Sale

Change: -100

Price: $0.00

Shares: 171,076

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Dec 06	Open Market Sale (S) Market Sale	171,076	-100	$0.00	-$0

June 29, 2022

Carl Christian Hoechner

Open Market Purchase

Change: +100

Price: $0.00

Shares: 171,176

Value: +$0

Brian Krogol

Grant/Award Acquisition

Change: +5,000

Price: $0.00

Shares: 93,700

Value: +$0

William Koppelmann

Grant/Award Acquisition

Change: +5,000

Price: $0.00

Shares: 10,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Christian Hoechner	Dec 06	Open Market Purchase (P) Market Purchase	171,176	+100	$0.00	+$0
Brian Krogol	Jul 06	Grant/Award Acquisition (A) Compensation/Award	93,700	+5,000	$0.00	+$0
William Koppelmann	Jul 06	Grant/Award Acquisition (A) Compensation/Award	10,000	+5,000	$0.00	+$0

January 21, 2022

Brian Krogol

Open Market Purchase

Change: +2,000

Price: $10.00

Shares: 2,000

Value: +$20,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian Krogol	Mar 23	Open Market Purchase (P) Market Purchase	2,000	+2,000	$10.00	+$20,000