Michael J. Culumber
CIK 1457689 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 30, 2009 · Latest: Dec. 30, 2009
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 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
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 29, 2009 | MDXG | P | 21,000 | — | — | 21,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 29, 2009 | MDXG | P | 42,000 | $0.60 | $25,200 | 42,000 Direct | — | Acquired | 639.2% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 29, 2009 | MDXG | Common Stock Warrants (Right to Buy) | Common Stock (21,000) | $1.50 | Dec. 29, 2014 | 21,000 | Acquired |
| July 31, 2009 | MDXG | Stock Option | Common Stock (125,000) | $0.50 | July 30, 2014 | 125,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).