David Harold Grubb Jr.
CIK 2109639 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 11, 2026 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | MWH | D | 35,391 | — | — | 2,541,408 Direct | -1.37% | Disposed | (price as of 2026-08-20) |
| June 1, 2026 | MWH | D | 235,947 | — | — | 2,576,799 Direct | -8.39% | Disposed | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 4, 2026 | MWH | SOLV Energy Management Holdings LP Units | Class A Common Stock | — | — | 35,391 | Disposed |
| June 1, 2026 | MWH | SOLV Energy Management Holdings LP Units | Class A Common Stock | — | — | 235,947 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.