Patrick Carpenter
CIK 1540503 · View on SEC EDGAR ↗
Insider
First SEC filing: May 22, 2014 · Latest: May 22, 2014
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 23, 2016 | MTX | S | 3,648 | $70.77 | $258,169 | 0 Indirect | -100.00% | Disposed | 3.0% (price as of 2026-08-19) |
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 21, 2015 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock (647) | — | — | 647 | Disposed |
| Jan. 20, 2015 | MTX | Employee Stock Option (Right to Buy) | Common Stock (5,841) | $60.18 | Jan. 20, 2025 | 5,841 | Acquired |
| Jan. 20, 2015 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock (7,062) | — | — | 7,062 | Acquired |
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.