Michael J. Senken
CIK 1481296 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 7, 2011 · Latest: Jan. 7, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 29 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2018 | MDXG | F | 3,189 | $7.83 | $24,970 | 273,530 Direct | -1.15% | Disposed | -43.4% (price as of 2026-08-20) |
| Feb. 22, 2018 | MDXG | F | 4,390 | $8.88 | $38,983 | 238,594 Direct | -1.81% | Disposed | -50.1% (price as of 2026-08-20) |
| Feb. 22, 2018 | MDXG | F | 8,075 | $8.88 | $71,706 | 230,519 Direct | -3.38% | Disposed | -50.1% (price as of 2026-08-20) |
| Feb. 22, 2018 | MDXG | A | 46,200 | $8.88 | $410,256 | 276,719 Direct | +20.04% | Acquired | -50.1% (price as of 2026-08-20) |
| Oct. 26, 2017 | MDXG | A | 7,500 | $12.23 | $91,725 | 239,984 Direct | +3.23% | Acquired | -63.7% (price as of 2026-08-20) |
| Feb. 25, 2017 | MDXG | F | 5,137 | — | — | 232,484 Direct | -2.16% | Disposed | (price as of 2026-08-20) |
| Feb. 22, 2017 | MDXG | A | 80,000 | — | — | 242,692 Direct | +49.17% | Acquired | (price as of 2026-08-20) |
| Feb. 22, 2017 | MDXG | F | 5,071 | — | — | 237,621 Direct | -2.09% | Disposed | (price as of 2026-08-20) |
| March 6, 2016 | MDXG | F | 2,779 | — | — | 162,692 Direct | -1.68% | Disposed | (price as of 2026-08-20) |
| Feb. 25, 2016 | MDXG | F | 1,775 | — | — | 168,975 Direct | -1.04% | Disposed | (price as of 2026-08-20) |
| Feb. 25, 2016 | MDXG | F | 3,504 | — | — | 165,471 Direct | -2.07% | Disposed | (price as of 2026-08-20) |
| Feb. 22, 2016 | MDXG | A | 40,000 | — | — | 170,750 Direct | +30.59% | Acquired | (price as of 2026-08-20) |
| Feb. 25, 2015 | MDXG | A | 31,524 | — | — | 130,750 Direct | +31.77% | Acquired | (price as of 2026-08-20) |
| Feb. 25, 2014 | MDXG | A | 49,607 | — | — | 887,107 Direct | +5.92% | Acquired | (price as of 2026-08-20) |
| Feb. 25, 2014 | MDXG | A | 15,976 | $7.24 | $115,666 | 99,226 Direct | +19.19% | Acquired | -38.7% (price as of 2026-08-20) |
| Oct. 29, 2013 | MDXG | A | 17,500 | — | — | 837,500 Direct | +2.13% | Acquired | (price as of 2026-08-20) |
| Oct. 29, 2013 | MDXG | A | 8,250 | $5.49 | $45,292 | 83,250 Direct | +11.00% | Acquired | -19.2% (price as of 2026-08-20) |
| Sept. 11, 2013 | MDXG | M | 50,000 | — | — | 820,000 Direct | -5.75% | Disposed | (price as of 2026-08-20) |
| Sept. 11, 2013 | MDXG | M | 50,000 | $0.87 | $43,500 | 75,000 Direct | +200.00% | Acquired | 409.8% (price as of 2026-08-20) |
| March 6, 2013 | MDXG | A | 75,000 | $5.07 | $380,250 | 870,000 Direct | +9.43% | Acquired | -12.5% (price as of 2026-08-20) |
| March 6, 2013 | MDXG | A | 25,000 | $5.07 | $126,750 | 25,000 Direct | — | Acquired | -12.5% (price as of 2026-08-20) |
| Oct. 31, 2012 | MDXG | A | 35,000 | $2.94 | $102,900 | 795,000 Direct | +4.61% | Acquired | 50.9% (price as of 2026-08-20) |
| Feb. 23, 2012 | MDXG | A | 150,000 | $1.25 | $187,500 | 760,000 Direct | +24.59% | Acquired | 254.8% (price as of 2026-08-20) |
| Dec. 14, 2011 | MDXG | A | 175,000 | $1.10 | $192,500 | 610,000 Direct | +40.23% | Acquired | 303.2% (price as of 2026-08-20) |
| March 18, 2011 | MDXG | A | 110,000 | $1.23 | $135,300 | 435,000 Direct | +33.85% | Acquired | 260.6% (price as of 2026-08-20) |
| Jan. 5, 2011 | MDXG | A | 50,000 | — | — | 325,000 Direct | +18.18% | Acquired | (price as of 2026-08-20) |
| May 11, 2010 | MDXG | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 23, 2010 | MDXG | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 15, 2010 | MDXG | A | 150,000 | — | — | 150,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Feb. 25, 2014 | MDXG | Stock Option | Common Stock (49,607) | $7.24 | Feb. 24, 2024 | 49,607 | Acquired |
| Oct. 29, 2013 | MDXG | Stock Option | Common Stock | $5.49 | Oct. 29, 2023 | 17,500 | Acquired |
| Sept. 11, 2013 | MDXG | Stock Option | Common Stock (50,000) | $0.87 | Jan. 15, 2020 | 50,000 | Disposed |
| March 6, 2013 | MDXG | Stock Option | Common Stock (75,000) | $5.07 | March 6, 2023 | 75,000 | Acquired |
| Oct. 31, 2012 | MDXG | Stock Option | Common Stock (35,000) | $2.94 | Oct. 30, 2022 | 35,000 | Acquired |
| Feb. 23, 2012 | MDXG | Stock Option | Common Stock (150,000) | $1.25 | Feb. 23, 2022 | 150,000 | Acquired |
| Dec. 14, 2011 | MDXG | Stock Option | Common Stock (175,000) | $1.10 | Dec. 14, 2021 | 175,000 | Acquired |
| March 18, 2011 | MDXG | Stock Option | Common Stock (110,000) | $1.23 | March 18, 2021 | 110,000 | Acquired |
| Jan. 5, 2011 | MDXG | Stock Option | Common Stock (50,000) | $1.35 | Jan. 4, 2021 | 50,000 | Acquired |
| May 11, 2010 | MDXG | Stock Option | Common Stock (25,000) | $1.20 | May 11, 2020 | 25,000 | Acquired |
| Feb. 23, 2010 | MDXG | Stock Option | Common Stock (100,000) | $1.65 | Feb. 23, 2020 | 100,000 | Acquired |
| Jan. 15, 2010 | MDXG | Stock Options | Common Stock (150,000) | $0.87 | Jan. 15, 2020 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).