Thomas M Thees
CIK 1317811 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 18, 2005 · Latest: Feb. 18, 2005
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 7, 2006 | MKTX | S | 800 | $13.00 | $10,400 | 6,200 Direct | -11.43% | Disposed | 1144.5% (price as of 2026-08-20) |
| Nov. 6, 2006 | MKTX | S | 3,900 | $12.40 | $48,360 | 7,000 Direct | -35.78% | Disposed | 1204.8% (price as of 2026-08-20) |
| Nov. 2, 2006 | MKTX | S | 1,100 | $12.40 | $13,640 | 10,900 Direct | -9.17% | Disposed | 1204.8% (price as of 2026-08-20) |
| Nov. 2, 2006 | MKTX | S | 5,000 | $11.92 | $59,600 | 12,000 Direct | -29.41% | Disposed | 1257.3% (price as of 2026-08-20) |
| May 25, 2006 | MKTX | P | 4,200 | $10.49 | $44,058 | 55,000 Direct | +8.27% | Acquired | 1442.3% (price as of 2026-08-20) |
| May 25, 2006 | MKTX | P | 5,000 | $10.48 | $52,400 | 50,800 Direct | +10.92% | Acquired | 1443.8% (price as of 2026-08-20) |
| May 25, 2006 | MKTX | P | 5,000 | $10.58 | $52,900 | 45,800 Direct | +12.25% | Acquired | 1429.2% (price as of 2026-08-20) |
| May 25, 2006 | MKTX | P | 800 | $10.59 | $8,472 | 40,800 Direct | +2.00% | Acquired | 1427.8% (price as of 2026-08-20) |
| Aug. 23, 2005 | MKTX | P | 1,000 | $10.15 | $10,150 | 1,000 Indirect | — | Acquired | 1494.0% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 9, 2006 | MKTX | Employee Stock Option (right to buy) | Common Stock (50,000) | $11.18 | Jan. 9, 2016 | 50,000 | 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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 18, 2005 | MKTX | Common Stock, par value $0.003 per share | 10,000 | Direct |
| Feb. 18, 2005 | MKTX | Employee Stock Option (right to buy)→ Common Stock, par value $0.003 per share (225,000) | 225,000 | Direct |
| Feb. 18, 2005 | MKTX | Employee Stock Option (right to buy)→ Common Stock, par value $0.003 per share (40,000) | 40,000 | Direct |