Don M Hardison
First SEC filing: April 10, 2026 · Latest: April 10, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | MDXH | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2025 | CTKB | M | 15,706 | · | · | 15,706 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2025 | CTKB | M | 15,706 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2024 | CTKB | A | 15,706 | · | · | 15,706 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2024 | CTKB | A | 23,076 | · | · | 23,076 Direct | · | Acquired | (price as of 2026-10-05) |
| June 14, 2023 | CTKB | A | 30,242 | · | · | 30,242 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2022 | CTKB | A | 47,013 | · | · | 47,013 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2009 | LH | F | 3,848 | $74.84 | $287,984 | 19,928 Direct | -16.18% | Disposed | 380.0% (price as of 2026-10-05) |
| Aug. 17, 2009 | LH | S 10b5-1 | 854 | $69.50 | $59,353 | 23,776 Direct | -3.47% | Disposed | 416.9% (price as of 2026-10-05) |
| May 18, 2009 | LH | S 10b5-1 | 1,407 | $61.73 | $86,854 | 24,630 Direct | -5.40% | Disposed | 482.0% (price as of 2026-10-05) |
| Feb. 20, 2009 | LH | F | 1,353 | $62.51 | $84,576 | 26,037 Direct | -4.94% | Disposed | 474.7% (price as of 2026-10-05) |
| Feb. 13, 2009 | LH | F | 858 | $62.42 | $53,556 | 27,390 Direct | -3.04% | Disposed | 475.6% (price as of 2026-10-05) |
| Feb. 13, 2009 | LH | F | 858 | $62.42 | $53,556 | 27,390 Direct | -3.04% | Disposed | 475.6% (price as of 2026-10-05) |
| Feb. 11, 2009 | LH | A | 104,700 | $60.04 | $6,286,188 | 104,700 Direct | · | Acquired | 498.4% (price as of 2026-10-05) |
| Feb. 11, 2009 | LH | A | 9,400 | · | · | 28,248 Direct | +49.87% | Acquired | (price as of 2026-10-05) |
| May 7, 2008 | LH | A | 87,300 | $75.63 | $6,602,499 | 87,300 Direct | · | Acquired | 375.0% (price as of 2026-10-05) |
| Feb. 20, 2008 | LH | F | 1,352 | $80.41 | $108,714 | 18,848 Direct | -6.69% | Disposed | 346.8% (price as of 2026-10-05) |
| Feb. 13, 2008 | LH | A | 7,700 | · | · | 20,200 Direct | +61.60% | Acquired | (price as of 2026-10-05) |
| Sept. 4, 2007 | LH | A | 35,000 | $80.37 | $2,812,950 | 35,000 Direct | · | Acquired | 347.0% (price as of 2026-10-05) |
| Sept. 4, 2007 | LH | A | 12,500 | · | · | 12,500 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| June 1, 2026 | MDXH | Share Option | Ordinary Shares | $0.76 | May 28, 2036 | 10,000 | Acquired |
| June 5, 2025 | CTKB | Restricted Stock Units | Common Stock | · | · | 15,706 | Disposed |
| June 5, 2024 | CTKB | Restricted Stock Units | Common Stock | · | · | 15,706 | Acquired |
| June 5, 2024 | CTKB | Stock Option (right to buy) | Common Stock | $5.73 | June 5, 2034 | 23,076 | Acquired |
| June 14, 2023 | CTKB | Stock Option (right to buy) | Common Stock | $8.38 | June 14, 2033 | 30,242 | Acquired |
| June 1, 2022 | CTKB | Stock Option (right to buy) | Common Stock | $9.67 | June 1, 2032 | 47,013 | Acquired |
| Feb. 11, 2009 | LH | Non-qualified Stock Options [F1] | Common Stock | $60.04 | Feb. 11, 2019 | 104,700 | Acquired |
| May 7, 2008 | LH | Non-qualified Stock Option [F1] | Common Stock | $75.63 | May 7, 2018 | 87,300 | Acquired |
| Sept. 4, 2007 | LH | Non-qualified Stock Options [F1] | Common Stock | $80.37 | Feb. 20, 2017 | 35,000 | 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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2009 | $466,938 | · | · | · | $556,610 | $78,781 | $1,148,077 | $4,963,553 |
| 2008 | $478,750 | $100,000 | · | · | $188,462 | $66,181 | $34,576 | $2,014,508 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.