12 insiders reported 50 Form 4 transactions for SOLV Energy, Inc. (MWH) over the past 18 months (most recent 2026-08-21). Recent activity: AMERICAN SECURITIES LLC (10% Owner) Buy 3.1M shares, ASP VIII CSE Holdings LP (10% Owner) Sell 7.9M shares, AMERICAN SECURITIES LLC (10% Owner) Buy 3.1M shares, American Securities Associates VIII, LLC (10% Owner) Buy 3.1M shares, ASP Manager Corp. (10% Owner) Buy 3.1M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | AMERICAN SECURITIES LLC | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP VIII CSE Holdings LP | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | AMERICAN SECURITIES LLC | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | American Securities Associates VIII, LLC | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP Manager Corp. | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP VIII Alternative Investments Solstice LP | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | American Securities Partners VIII(B), L.P. | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP VIII SOLV Holdings LP | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | SOLV Energy Management Holdings LP | 10% Owner | Buy | 1.3M | $0 |
| 2026-08-21 | ASP Endeavor Investco LP | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | AS/ASP VIII Co-Investor, LLC | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP SOLV Aggregator LP | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP VIII Alternative Investments, L.P. | 10% Owner | Buy | 3.1M | $0 |
| 2026-08-21 | ASP VIII Alternative Investments, L.P. | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | AS/ASP VIII Co-Investor, LLC | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | ASP SOLV Aggregator LP | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | SOLV Energy Management Holdings LP | 10% Owner | Sell | 1.3M | $0 |
| 2026-08-21 | ASP Endeavor Investco LP | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | AMERICAN SECURITIES LLC | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | AMERICAN SECURITIES LLC | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | American Securities Associates VIII, LLC | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | ASP VIII SOLV Holdings LP | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | ASP Manager Corp. | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | ASP VIII Alternative Investments Solstice LP | 10% Owner | Sell | 7.9M | $0 |
| 2026-08-21 | ASP VIII CSE Holdings LP | 10% Owner | Buy | 3.1M | $0 |
Source: SEC Form 4 filings · as of 2026-08-21