Michael D Jack
CIK 1140906 · View on SEC EDGAR ↗
First SEC filing: Feb. 5, 2007 · Latest: Feb. 5, 2007
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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 26, 2007 | TDS | S | 29,328 | $57.26 | $1,679,321 | 180 Direct | -99.39% | Disposed | -34.1% (price as of 2026-08-19) |
| June 26, 2007 | TDS | S | 7,040 | $61.86 | $435,494 | 180 Direct | -97.51% | Disposed | -39.0% (price as of 2026-08-19) |
| June 21, 2007 | TDS | S | 24,584 | $57.80 | $1,420,955 | 180 Direct | -99.27% | Disposed | -34.8% (price as of 2026-08-19) |
| June 21, 2007 | TDS | S | 5,000 | $62.99 | $314,950 | 180 Direct | -96.53% | Disposed | -40.1% (price as of 2026-08-19) |
| June 21, 2007 | TDS | S | 19,584 | $62.46 | $1,223,217 | 5,180 Direct | -79.08% | Disposed | -39.6% (price as of 2026-08-19) |
| Sept. 14, 2004 | TDS | S | 8,050 | $82.32 | $662,676 | 175 Direct | -97.87% | Disposed | -10.6% (price as of 2026-08-19) |
| Sept. 9, 2004 | TDS | S | 9,315 | $79.42 | $739,797 | 175 Direct | -98.16% | Disposed | -7.4% (price as of 2026-08-19) |
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 26, 2007 | TDS | Option (right to buy) | Tandem Common Shares and special common shares (22,288) | $40.95 | Oct. 10, 2016 | 22,288 | Disposed |
| June 26, 2007 | TDS | Option (Right to Buy) | Tandem Common Shares and special common shares (7,040) | $117.51 | Sept. 16, 2010 | 7,040 | Disposed |
| June 21, 2007 | TDS | Option (right to buy) | Tandem Common and Special common shares (7,900) | $66.00 | May 8, 2014 | 7,900 | Disposed |
| June 21, 2007 | TDS | Option (right to buy) | Tandem Common Shares and special common shares (4,240) | $99.44 | April 30, 2011 | 4,240 | Disposed |
| Oct. 10, 2006 | TDS | Restricted Stock Units | Special Common Shares (2,154) | — | — | 2,154 | Acquired |
| Oct. 10, 2006 | TDS | Option (Right to Buy) | Special Common Shares (22,288) | $40.95 | Oct. 10, 2016 | 22,288 | Acquired |
| April 20, 2005 | TDS | Option (Right to Buy) | Tandem Common Shares and special common shares (12,444) | $77.36 | April 20, 2015 | 12,444 | Disposed |
| April 20, 2005 | TDS | Restricted Stock Units | Common Shares (2,045) | — | — | 2,045 | Acquired |
| April 20, 2005 | TDS | Option (Right to Buy) | Common Shares (12,444) | $77.36 | April 20, 2015 | 12,444 | Acquired |
| Sept. 14, 2004 | TDS | Option (Right to Buy) | Common Shares (8,050) | $44.58 | May 13, 2013 | 8,050 | Disposed |
| Sept. 9, 2004 | TDS | Option (Right to Buy) | Common Shares (9,315) | $59.00 | July 5, 2012 | 9,315 | Disposed |
| May 8, 2004 | TDS | Option (Right to Buy) | Common Shares (7,900) | $66.00 | May 8, 2014 | 7,900 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).