Ronald B. Stark
CIK: 0001329875
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Aug 19, 2026MWH
SOLV Energy, Inc.
Sale(S)DirectSOLV Energy Management Holdings LP Units
4.7K shares- - Jun 4, 2026MWH
SOLV Energy, Inc.
Disposition(D)DirectSOLV Energy Management Holdings LP Units
1.1K shares- - Jun 1, 2026MWH
SOLV Energy, Inc.
Disposition(D)DirectSOLV Energy Management Holdings LP Units
7.5K shares- - Mar 6, 2025ALTM
Arcadium Lithium plc
Disposition(D)Direct26.6K shares- - Mar 6, 2025ALTM
Arcadium Lithium plc
Disposition(D)Direct58.1K shares- - Feb 28, 2025ALTM
Arcadium Lithium plc
Tax Payment(F)Direct2.7K shares at avg. $5.83$16K - Feb 24, 2025ALTM
Arcadium Lithium plc
Tax Payment(F)Direct710 shares at avg. $5.82$4K - Feb 12, 2025ALTM
Arcadium Lithium plc
Award(A)Direct38.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 19, 2026 |  MWH SOLV Energy, Inc. | Sale(S) SOLV Energy Management Holdings LP Units | 4,733 | - | - | Direct |
| Jun 4, 2026 | MWH SOLV Energy, Inc. | Disposition(D) SOLV Energy Management Holdings LP Units | 1,122 | - | - | Direct |
| Jun 1, 2026 | MWH SOLV Energy, Inc. | Disposition(D) SOLV Energy Management Holdings LP Units | 7,482 | - | - | Direct |
| Mar 6, 2025 |  ALTM Arcadium Lithium plc | Disposition(D) | 26,593 | - | - | Direct |
| Mar 6, 2025 | ALTM Arcadium Lithium plc | Disposition(D) | 58,052 | - | - | Direct |
| Feb 28, 2025 | ALTM Arcadium Lithium plc | Tax Payment(F) | 2,745 | $5.83 | $16,003 | Direct |
| Feb 24, 2025 | ALTM Arcadium Lithium plc | Tax Payment(F) | 710 | $5.82 | $4,132 | Direct |
| Feb 12, 2025 | ALTM Arcadium Lithium plc | Award(A) | 38,861 | - | - | Direct |
1-8 of 8 transactions
About Stark Ronald B
Stark Ronald B (SEC CIK 0001329875) files insider reports with the SEC as EVP and CAO of SOLV Energy, Inc. (MWH) and Chief Accounting Officer of Arcadium Lithium plc (ALTM).
Signal8 holds 8 ownership filings by Stark Ronald B (1 Form 3, 7 Form 4), filed between Feb 14, 2025 and Aug 21, 2026. Those filings report 8 transactions, from Feb 12, 2025 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Stark Ronald B's filings is in SAN DIEGO, CA.
Recent filings by Stark Ronald B
- Aug 19, 2026: Open-market sale of MWH derivative securities (Form 4, code S).
- Jun 4, 2026: Disposition to issuer transaction of MWH derivative securities (Form 4, code D).
- Jun 1, 2026: Disposition to issuer transaction of MWH derivative securities (Form 4, code D).
- Mar 6, 2025: Disposition to issuer transactions of ALTM shares (2 lines, Form 4, code D).
- Feb 28, 2025: Tax withholding of ALTM shares (Form 4, code F).
Other insiders filing for SOLV Energy, Inc. (MWH)
- Stefanowicz Nancy, Director
- McQuade Daniel P, Director
- Jackson William C, Director
- Stern Laura Ellen, Director
- Abram J Adam, Director
- Lerner Steven J., Director