RIBAR GEOFFREY G

Sr. Vice President & CFO at SIRF TECHNOLOGY HOLDINGS INC · on record since Jan 29, 2007
Senior VP and CFO at ASYST TECHNOLOGIES INC · on record since May 11, 2004
Director at MACOM Technology Solutions Holdings, Inc. · on record since May 13, 2026
Director at EVERSPIN TECHNOLOGIES INC. · on record since May 21, 2026
Director at QuantumScape Corp · on record since Jun 5, 2026
Sr. VP, CFO at CADENCE DESIGN SYSTEMS INC · on record since Nov 17, 2014
Director at AQUANTIA CORP · on record since Dec 4, 2017
Director at ACACIA RESEARCH CORP · on record since May 31, 2023

Insider trading activity of RIBAR GEOFFREY G

Transactions on record: 151; since May 11, 2004

Open-market buys: 5; $511.5K

Open-market sells: 29; $20.4M

Companies traded: 8; last filing Jun 5, 2026

Figures computed from official regulatory filings — .

Companies where RIBAR GEOFFREY G has traded

QuantumScape Corp3 tx · Jun 5, 2026
EVERSPIN TECHNOLOGIES INC.18 tx · $1.6M · May 22, 2026
MACOM Technology Solutions Holdings, Inc.20 tx · $3.4M · May 13, 2026
ACACIA RESEARCH CORP3 tx · Jun 3, 2025
AQUANTIA CORP3 tx · Jun 21, 2019
CADENCE DESIGN SYSTEMS INC94 tx · $26.9M · Aug 30, 2017
SIRF TECHNOLOGY HOLDINGS INC6 tx · $63.1K · Jan 22, 2008
4 tx · May 11, 2004

Track record of RIBAR GEOFFREY G

Statistical track record

Free

Open-market buys: 5

Last buy: Aug 28, 2017

Win rates and median returns are available with a free account (5 insiders/month).

Transaction history of RIBAR GEOFFREY G

Co-insiders of RIBAR GEOFFREY G

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
QuantumScape Corp	Jun 5, 2026	Award	24,183	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 22, 2026	Award	3,852	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 21, 2026	Sell	-27,488	28.87 USD	$793.6K	SEC
MACOM Technology Solutions Holdings, Inc.	May 13, 2026	Sell	-1,623	361.84 USD	$587.3K	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 10, 2026	Award	776	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Feb 27, 2026	Sell	-2,244	253.59 USD	$569.1K	SEC
QuantumScape Corp	Jan 30, 2026	Award	29,878	0.00 USD	—	SEC
QuantumScape Corp	Jan 30, 2026	Award	6,224	0.00 USD	—	SEC
ACACIA RESEARCH CORP	Jun 3, 2025	Award	32,172	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 27, 2025	Award	20,325	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 11, 2025	Award	1,623	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Feb 14, 2025	Sell	-6,656	121.61 USD	$809.4K	SEC
ACACIA RESEARCH CORP	Jun 11, 2024	Award	23,121	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 31, 2024	Award	20,973	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	May 9, 2024	Sell	-3,500	103.84 USD	$363.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Mar 13, 2024	Sell	-7,856	8.50 USD	$66.8K	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 12, 2024	Award	2,138	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Mar 6, 2024	Sell	-6,000	8.50 USD	$51K	SEC
MACOM Technology Solutions Holdings, Inc.	Aug 30, 2023	Sell	-3,861	81.05 USD	$312.9K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	ExerciseD (derivative)	-30,000	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Exercise	12,000	7.20 USD	$86.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Sell	-42,000	9.82 USD	$412.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	ExerciseD (derivative)	-12,000	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Exercise	30,000	6.89 USD	$206.7K	SEC
ACACIA RESEARCH CORP	May 31, 2023	Award	30,534	0.00 USD	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
QuantumScape Corp	Jun 5, 2026	Award	24,183	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 22, 2026	Award	3,852	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 21, 2026	Sell	-27,488	28.87 USD	$793.6K	SEC
MACOM Technology Solutions Holdings, Inc.	May 13, 2026	Sell	-1,623	361.84 USD	$587.3K	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 10, 2026	Award	776	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Feb 27, 2026	Sell	-2,244	253.59 USD	$569.1K	SEC
QuantumScape Corp	Jan 30, 2026	Award	29,878	0.00 USD	—	SEC
QuantumScape Corp	Jan 30, 2026	Award	6,224	0.00 USD	—	SEC
ACACIA RESEARCH CORP	Jun 3, 2025	Award	32,172	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 27, 2025	Award	20,325	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 11, 2025	Award	1,623	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	Feb 14, 2025	Sell	-6,656	121.61 USD	$809.4K	SEC
ACACIA RESEARCH CORP	Jun 11, 2024	Award	23,121	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	May 31, 2024	Award	20,973	0.00 USD	—	SEC
MACOM Technology Solutions Holdings, Inc.	May 9, 2024	Sell	-3,500	103.84 USD	$363.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Mar 13, 2024	Sell	-7,856	8.50 USD	$66.8K	SEC
MACOM Technology Solutions Holdings, Inc.	Mar 12, 2024	Award	2,138	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Mar 6, 2024	Sell	-6,000	8.50 USD	$51K	SEC
MACOM Technology Solutions Holdings, Inc.	Aug 30, 2023	Sell	-3,861	81.05 USD	$312.9K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	ExerciseD (derivative)	-30,000	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Exercise	12,000	7.20 USD	$86.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Sell	-42,000	9.82 USD	$412.4K	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	ExerciseD (derivative)	-12,000	0.00 USD	—	SEC
EVERSPIN TECHNOLOGIES INC.	Aug 14, 2023	Exercise	30,000	6.89 USD	$206.7K	SEC
ACACIA RESEARCH CORP	May 31, 2023	Award	30,534	0.00 USD	—	SEC