Thomas J Koob
Insider
First SEC filing: Feb. 13, 2008 · Latest: Feb. 13, 2008
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 18, 2010 | MDXG | A | 55,000 | · | · | 110,400 Direct | +99.28% | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2010 | MDXG | A | 55,400 | · | · | 55,400 Direct | · | Acquired | (price as of 2026-10-05) |
| July 31, 2009 | MDXG | A | 150,000 | · | · | 350,000 Direct | +75.00% | Acquired | (price as of 2026-10-05) |
| Oct. 24, 2008 | MDXG | A | 94,249 | · | · | 344,249 Direct | +37.70% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| March 18, 2010 | MDXG | Stock Option | Common Stock | $1.23 | March 18, 2021 | 55,000 | Acquired |
| Feb. 23, 2010 | MDXG | Stock Option | Common Stock | $1.65 | Feb. 23, 2010 | 55,400 | Acquired |
| July 31, 2009 | MDXG | Stock Option | Common Stock | $0.50 | July 30, 2014 | 150,000 | 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.