Stark Ronald B

Chief Accounting Officer at Arcadium Lithium plc · on record since Jan 8, 2024
VP, Chief Accounting Officer at NRG ENERGY, INC. · on record since Mar 13, 2012
VP & Chief Accounting Officer at Clearway Energy, Inc. · on record since Jul 16, 2013
Chief Accounting Officer at Livent Corp. · on record since Mar 1, 2019
EVP and CAO at SOLV Energy, Inc. · on record since Jun 3, 2026
Principal Accounting Officer at PEGASUS COMMUNICATIONS CORP / · on record since Jun 10, 2005

Insider trading activity of Stark Ronald B

Transactions on record: 68; since Jun 13, 2005

Open-market buys: 0

Open-market sells: 0

Companies traded: 5; last filing Aug 21, 2026

Figures computed from official regulatory filings — .

Companies where Stark Ronald B has traded

SOLV Energy, Inc.3 tx · Aug 21, 2026
Arcadium Lithium plc22 tx · $52.6K · Mar 6, 2025
Livent Corp.16 tx · $48.6K · Jan 8, 2024
NRG ENERGY, INC.25 tx · $10.9K · Feb 4, 2015
PEGASUS COMMUNICATIONS CORP /2 tx · $65.5K · Jun 13, 2005

Track record of Stark Ronald B

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Stark Ronald B

Co-insiders of Stark Ronald B

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SOLV Energy, Inc.Listing unverified	Aug 21, 2026	SellD (derivative)	-4,733	—	n/a (No price was disclosed in the filing)		SEC
SOLV Energy, Inc.Listing unverified	Jun 5, 2026	OtherD (derivative)	-1,122	—	n/a (No price was disclosed in the filing)		SEC
SOLV Energy, Inc.Listing unverified	Jun 3, 2026	OtherD (derivative)	-7,482	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-7,723	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	Other	-58,052	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-58,901	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-29,317	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	Other	-26,593	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-7,177	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 3, 2025	Other	-2,745	5.83 USD	$16K		SEC
Arcadium Lithium plcListing unverified	Feb 26, 2025	Other	-710	5.82 USD	$4.1K		SEC
Arcadium Lithium plcListing unverified	Feb 14, 2025	Award	38,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Mar 8, 2024	Award	22,728	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Mar 8, 2024	AwardD (derivative)	58,901	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Feb 26, 2024	Other	-137	4.69 USD	$642.5		SEC
Arcadium Lithium plcListing unverified	Feb 1, 2024	Other	-4,674	6.81 USD	$31.8K	Unusual size	SEC
Arcadium Lithium plcListing unverified	Jan 12, 2024	AwardD (derivative)	18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 12, 2024	AwardD (derivative)	18,790	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	Other	-13,018	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	OtherD (derivative)	-3,210	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 8, 2024	Award	19,270	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	OtherD (derivative)	-12,185	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 8, 2024	Award	12,051	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SOLV Energy, Inc.Listing unverified	Aug 21, 2026	SellD (derivative)	-4,733	—	n/a (No price was disclosed in the filing)		SEC
SOLV Energy, Inc.Listing unverified	Jun 5, 2026	OtherD (derivative)	-1,122	—	n/a (No price was disclosed in the filing)		SEC
SOLV Energy, Inc.Listing unverified	Jun 3, 2026	OtherD (derivative)	-7,482	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-7,723	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	Other	-58,052	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-58,901	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-29,317	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	Other	-26,593	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-7,177	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 6, 2025	OtherD (derivative)	-18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Mar 3, 2025	Other	-2,745	5.83 USD	$16K		SEC
Arcadium Lithium plcListing unverified	Feb 26, 2025	Other	-710	5.82 USD	$4.1K		SEC
Arcadium Lithium plcListing unverified	Feb 14, 2025	Award	38,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Mar 8, 2024	Award	22,728	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Mar 8, 2024	AwardD (derivative)	58,901	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Arcadium Lithium plcListing unverified	Feb 26, 2024	Other	-137	4.69 USD	$642.5		SEC
Arcadium Lithium plcListing unverified	Feb 1, 2024	Other	-4,674	6.81 USD	$31.8K	Unusual size	SEC
Arcadium Lithium plcListing unverified	Jan 12, 2024	AwardD (derivative)	18,790	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 12, 2024	AwardD (derivative)	18,790	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	Other	-13,018	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	OtherD (derivative)	-3,210	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 8, 2024	Award	19,270	—	n/a (No price was disclosed in the filing)		SEC
Livent Corp.Listing unverified	Jan 8, 2024	OtherD (derivative)	-12,185	—	n/a (No price was disclosed in the filing)		SEC
Arcadium Lithium plcListing unverified	Jan 8, 2024	Award	12,051	—	n/a (No price was disclosed in the filing)		SEC