Martin Lambert
CIK 1198824 · View on SEC EDGAR ↗
Insider
First SEC filing: May 16, 2012 · Latest: May 16, 2012
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 15 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
15 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 20, 2011 | OIS | S | 5,000 | $74.65 | $373,250 | 18,802 Direct | -21.01% | Disposed | -78.9% (price as of 2026-08-18) |
| Dec. 20, 2010 | OIS | S | 5,000 | $63.04 | $315,200 | 17,261 Direct | -22.46% | Disposed | -75.0% (price as of 2026-08-18) |
| Sept. 22, 2004 | OIS | S | 10,000 | $17.94 | $179,400 | 0 Direct | -100.00% | Disposed | -12.0% (price as of 2026-08-18) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 20, 2011 | OIS | Common Stock (Right to Purchase) | Common Stock (5,000) | $11.65 | May 15, 2012 | 5,000 | Disposed |
| Dec. 20, 2010 | OIS | Common Stock (Right to Purchase) | Common Stock (5,000) | $9.00 | Feb. 8, 2011 | 5,000 | Disposed |
| May 18, 2004 | OIS | Common Stock Option (Right to Purchase) | Common Stock (5,000) | $14.39 | May 18, 2010 | 5,000 | Acquired |
| Aug. 6, 2003 | OIS | Phantom Stock [F1] | Common Stock (1,081) | $0.00 | — | 1,081 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).