Howard R Crabtree
CIK 1033887 · View on SEC EDGAR ↗
Insider
First SEC filing: April 1, 2004 · Latest: April 1, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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
3 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 31, 2004 | MTX | S | 3,400 | $56.87 | $193,358 | 3,514 Direct | -49.18% | Disposed | 152.5% (price as of 2026-08-21) |
| Oct. 28, 2003 | MTX | S | 50,767 | $53.41 | $2,711,465 | 6,914 Direct | -88.01% | Disposed | 168.9% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 5, 2003 | MTX | DEFERRED STOCK [F1] | COMMON STOCK (2,000) | — | — | 2,000 | Acquired |
| Oct. 28, 2003 | MTX | EMPLOYEE STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (50,767) | $39.53 | — | 50,767 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).