William C Denninger
CIK 1196435 · View on SEC EDGAR ↗
Insider
First SEC filing: May 14, 2004 · Latest: May 14, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 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 |
|---|---|---|---|---|---|---|---|---|---|
| May 31, 2007 | GHM | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 1, 2006 | GHM | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 26, 2005 | GHM | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 28, 2004 | GHM | A | 1,000 | — | — | 4,250 Direct | +30.77% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| May 31, 2007 | GHM | Stock Option (Right to Buy) | Common Stock | $17.25 | May 31, 2017 | 2,000 | Acquired |
| June 1, 2006 | GHM | Stock Option (Right to Buy) | Common Stock | $19.94 | June 1, 2016 | 2,000 | Acquired |
| Oct. 26, 2005 | GHM | Stock Option (Right to Buy) | Common Stock | $13.90 | Oct. 26, 2015 | 2,000 | Acquired |
| Oct. 28, 2004 | GHM | Common Stock | Common Stock (1,000) | $12.50 | Oct. 28, 2014 | 1,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).