David M Sparby
Insider
First SEC filing: May 20, 2019 · Latest: May 20, 2019
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $144,950
Avg return of open purchases vs now: -13.0%
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | ECG | P | 1,000 | $144.95 | $144,950 | 19,658 Direct | +5.36% | Acquired | -13.0% (price as of 2026-10-05) |
| May 12, 2026 | ECG | A | 1,015 | · | · | 18,658 Direct | +5.75% | Acquired | (price as of 2026-10-05) |
| May 22, 2025 | ECG | A | 2,887 | · | · | 16,544 Direct | +21.14% | Acquired | (price as of 2026-10-05) |
| May 22, 2025 | ECG | A | 1,099 | · | · | 17,643 Direct | +6.64% | Acquired | (price as of 2026-10-05) |
| Nov. 25, 2024 | ECG | A | 2,347 | · | · | 13,657 Direct | +20.75% | Acquired | (price as of 2026-10-05) |
| Oct. 31, 2024 | MDU | A | 371 | $29.22 | $10,841 | 24,905 Direct | +1.51% | Acquired | 15.5% (price as of 2026-10-05) |
| Sept. 30, 2024 | MDU | A | 1,182 | $27.50 | $32,505 | 24,425 Direct | +5.09% | Acquired | 22.7% (price as of 2026-10-05) |
| June 28, 2024 | MDU | A | 1,294 | $25.12 | $32,505 | 23,134 Direct | +5.92% | Acquired | 34.3% (price as of 2026-10-05) |
| March 29, 2024 | MDU | A | 1,309 | $24.83 | $32,502 | 21,737 Direct | +6.41% | Acquired | 35.9% (price as of 2026-10-05) |
| Nov. 15, 2023 | MDU | A | 8,008 | $18.73 | $149,990 | 43,463 Direct | +22.59% | Acquired | 80.1% (price as of 2026-10-05) |
| Dec. 30, 2022 | MDU | A | 1,060 | $30.66 | $32,500 | 13,276 Direct | +8.68% | Acquired | 60.3% (price as of 2026-10-05) |
| Nov. 21, 2022 | MDU | A | 4,896 | $30.64 | $150,013 | 35,455 Direct | +16.02% | Acquired | 60.4% (price as of 2026-10-05) |
| Sept. 30, 2022 | MDU | A | 1,179 | $27.56 | $32,493 | 12,130 Direct | +10.77% | Acquired | 78.3% (price as of 2026-10-05) |
| June 30, 2022 | MDU | A | 1,134 | $27.20 | $30,845 | 10,872 Direct | +11.65% | Acquired | 80.7% (price as of 2026-10-05) |
| March 31, 2022 | MDU | A | 1,133 | $26.48 | $30,002 | 9,668 Direct | +13.27% | Acquired | 85.6% (price as of 2026-10-05) |
| Dec. 31, 2021 | MDU | A | 975 | $30.78 | $30,010 | 8,482 Direct | +12.99% | Acquired | 59.7% (price as of 2026-10-05) |
| Nov. 16, 2021 | MDU | A | 4,831 | $28.98 | $140,002 | 30,559 Direct | +18.78% | Acquired | 69.6% (price as of 2026-10-05) |
| Sept. 30, 2021 | MDU | A | 999 | $30.04 | $30,010 | 7,462 Direct | +15.46% | Acquired | 63.6% (price as of 2026-10-05) |
| June 30, 2021 | MDU | A | 878 | $31.34 | $27,517 | 6,426 Direct | +15.83% | Acquired | 56.8% (price as of 2026-10-05) |
| March 31, 2021 | MDU | A | 832 | $31.54 | $26,241 | 5,517 Direct | +17.76% | Acquired | 55.8% (price as of 2026-10-05) |
| Dec. 31, 2020 | MDU | A | 1,014 | $25.90 | $26,263 | 4,654 Direct | +27.86% | Acquired | 89.8% (price as of 2026-10-05) |
| Nov. 17, 2020 | MDU | A | 4,921 | $25.40 | $124,993 | 25,728 Direct | +23.65% | Acquired | 93.5% (price as of 2026-10-05) |
| Sept. 30, 2020 | MDU | A | 1,177 | $22.30 | $26,247 | 3,618 Direct | +48.22% | Acquired | 120.4% (price as of 2026-10-05) |
| Aug. 20, 2020 | MDU | P | 2,000 | $22.52 | $45,040 | 20,807 Direct | +10.63% | Acquired | 118.3% (price as of 2026-10-05) |
| June 30, 2020 | MDU | A | 1,209 | $21.70 | $26,235 | 2,429 Direct | +99.10% | Acquired | 126.5% (price as of 2026-10-05) |
| May 13, 2020 | MDU | P | 4,000 | $20.16 | $80,640 | 18,807 Direct | +27.01% | Acquired | 143.8% (price as of 2026-10-05) |
| March 31, 2020 | MDU | A | 1,220 | $21.52 | $26,254 | 1,220 Direct | · | Acquired | 128.4% (price as of 2026-10-05) |
| Dec. 31, 2019 | MDU | A | 888 | $29.54 | $26,232 | 14,807 Direct | +6.38% | Acquired | 66.4% (price as of 2026-10-05) |
| Nov. 19, 2019 | MDU | A | 4,286 | $29.16 | $124,980 | 13,919 Direct | +44.49% | Acquired | 68.6% (price as of 2026-10-05) |
| Sept. 30, 2019 | MDU | A | 924 | $28.39 | $26,232 | 9,633 Direct | +10.61% | Acquired | 73.1% (price as of 2026-10-05) |
| June 28, 2019 | MDU | A | 801 | $25.47 | $20,401 | 8,709 Direct | +10.13% | Acquired | 93.0% (price as of 2026-10-05) |
| May 17, 2019 | MDU | P | 2,500 | $25.20 | $63,000 | 7,908 Direct | +46.23% | Acquired | 95.0% (price as of 2026-10-05) |
| March 29, 2019 | MDU | A | 682 | $25.66 | $17,500 | 5,408 Direct | +14.43% | Acquired | 91.6% (price as of 2026-10-05) |
| March 14, 2019 | MDU | P | 3,000 | $25.75 | $77,250 | 4,726 Direct | +173.81% | Acquired | 90.9% (price as of 2026-10-05) |
| Nov. 20, 2018 | MDU | A | 1,726 | $26.54 | $45,808 | 1,726 Direct | · | Acquired | 85.2% (price as of 2026-10-05) |
| March 3, 2014 | XELLL | F | 530 | $30.15 | $15,980 | 119,543 Direct | -0.44% | Disposed | -30.1% (price as of 2026-10-05) |
| Feb. 19, 2014 | XELLL | A | 1,902 | · | · | 121,355 Direct | +1.59% | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2014 | XELLL | A | 27,375 | · | · | 27,375 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2014 | XELLL | A | 5,288 | · | · | 5,288 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2014 | XELLL | F | 1,283 | $29.69 | $38,092 | 120,072 Direct | -1.06% | Disposed | -29.0% (price as of 2026-10-05) |
| Feb. 20, 2013 | XELLL | F | 3,555 | $28.29 | $100,571 | 115,652 Direct | -2.98% | Disposed | -25.5% (price as of 2026-10-05) |
| Feb. 20, 2013 | XELLL | A | 12,767 | · | · | 119,207 Direct | +11.99% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2013 | XELLL | F | 3,555 | $28.29 | $100,571 | 115,652 Direct | -2.98% | Disposed | -25.5% (price as of 2026-10-05) |
| Feb. 20, 2013 | XELLL | A | 12,767 | · | · | 119,207 Direct | +11.99% | Acquired | (price as of 2026-10-05) |
| March 1, 2012 | XELLL | F | 593 | $28.59 | $16,954 | 115,059 Direct | -0.51% | Disposed | -26.2% (price as of 2026-10-05) |
| March 1, 2012 | XELLL | F | 621 | $26.43 | $16,413 | 102,444 Direct | -0.60% | Disposed | -20.2% (price as of 2026-10-05) |
| Feb. 22, 2012 | XELLL | F | 3,579 | $26.50 | $94,844 | 103,065 Direct | -3.36% | Disposed | -20.4% (price as of 2026-10-05) |
| Feb. 22, 2012 | XELLL | F | 12,683 | $26.43 | $335,212 | 106,644 Direct | -10.63% | Disposed | -20.2% (price as of 2026-10-05) |
| Feb. 22, 2012 | XELLL | A | 38,810 | · | · | 119,327 Direct | +48.20% | Acquired | (price as of 2026-10-05) |
| March 1, 2011 | XELLL | F | 752 | $23.75 | $17,860 | 77,297 Direct | -0.96% | Disposed | -11.2% (price as of 2026-10-05) |
| Feb. 23, 2011 | XELLL | F | 12,072 | $23.62 | $285,141 | 78,049 Direct | -13.40% | Disposed | -10.7% (price as of 2026-10-05) |
| Feb. 23, 2011 | XELLL | A | 28,266 | · | · | 90,122 Direct | +45.70% | Acquired | (price as of 2026-10-05) |
| March 1, 2010 | XELLL | F | 391 | $21.00 | $8,211 | 59,222 Direct | -0.66% | Disposed | 0.4% (price as of 2026-10-05) |
| Feb. 16, 2010 | XELLL | A | 12,502 | · | · | 63,241 Direct | +24.64% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2010 | XELLL | F | 3,628 | $20.47 | $74,265 | 59,613 Direct | -5.74% | Disposed | 3.0% (price as of 2026-10-05) |
| Dec. 2, 2009 | XELLL | M | 20,712 | $19.31 | $399,949 | 70,883 Direct | +41.28% | Acquired | 9.2% (price as of 2026-10-05) |
| Dec. 2, 2009 | XELLL | S | 20,712 | $20.43 | $423,146 | 50,171 Direct | -29.22% | Disposed | 3.2% (price as of 2026-10-05) |
| Dec. 2, 2009 | XELLL | M | 20,712 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2009 | XELLL | F | 476 | $17.41 | $8,287 | 48,313 Direct | -0.98% | Disposed | 21.1% (price as of 2026-10-05) |
| Feb. 24, 2009 | XELLL | A | 4,355 | · | · | 50,725 Direct | +9.39% | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2009 | XELLL | F | 1,936 | $17.73 | $34,325 | 48,790 Direct | -3.82% | Disposed | 18.9% (price as of 2026-10-05) |
| March 3, 2008 | XELLL | F | 317 | $19.78 | $6,270 | 44,147 Direct | -0.71% | Disposed | 6.6% (price as of 2026-10-05) |
| Feb. 20, 2008 | XELLL | F | 5,993 | $20.62 | $123,576 | 44,465 Direct | -11.88% | Disposed | 2.3% (price as of 2026-10-05) |
| Feb. 20, 2008 | XELLL | A | 14,988 | · | · | 50,458 Direct | +42.26% | Acquired | (price as of 2026-10-05) |
| March 1, 2007 | XELLL | F | 439 | $23.22 | $10,194 | 34,060 Direct | -1.27% | Disposed | -9.2% (price as of 2026-10-05) |
| Feb. 21, 2007 | XELLL | F | 1,621 | $24.35 | $39,471 | 34,499 Direct | -4.49% | Disposed | -13.4% (price as of 2026-10-05) |
| Feb. 21, 2007 | XELLL | F | 422 | $24.27 | $10,242 | 36,120 Direct | -1.15% | Disposed | -13.1% (price as of 2026-10-05) |
| Feb. 21, 2007 | XELLL | A | 3,495 | $24.35 | $85,103 | 36,542 Direct | +10.58% | Acquired | -13.4% (price as of 2026-10-05) |
| Feb. 21, 2007 | XELLL | A | 1,542 | $23.06 | $35,559 | 33,047 Direct | +4.89% | Acquired | -8.6% (price as of 2026-10-05) |
| Feb. 21, 2007 | XELLL | A | 2,764 | $24.27 | $67,082 | 31,504 Direct | +9.62% | Acquired | -13.1% (price as of 2026-10-05) |
| Aug. 22, 2006 | XELLL | F | 2,063 | $20.73 | $42,766 | 28,183 Direct | -6.82% | Disposed | 1.7% (price as of 2026-10-05) |
| Aug. 22, 2006 | XELLL | A | 6,395 | · | · | 30,247 Direct | +26.81% | Acquired | (price as of 2026-10-05) |
| March 1, 2006 | XELLL | F | 351 | $18.52 | $6,501 | 23,320 Direct | -1.48% | Disposed | 13.9% (price as of 2026-10-05) |
| Feb. 22, 2006 | XELLL | F | 4,847 | $19.10 | $92,578 | 23,671 Direct | -17.00% | Disposed | 10.4% (price as of 2026-10-05) |
| Feb. 22, 2006 | XELLL | A | 11,351 | · | · | 28,518 Direct | +66.12% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2006 | XELLL | F | 217 | $19.10 | $4,145 | 17,167 Direct | -1.25% | Disposed | 10.4% (price as of 2026-10-05) |
| Feb. 22, 2006 | XELLL | A | 558 | · | · | 17,385 Direct | +3.32% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2006 | XELLL | A | 638 | · | · | 16,826 Direct | +3.94% | Acquired | (price as of 2026-10-05) |
| March 3, 2005 | XELLL | F | 608 | $17.81 | $10,828 | 15,480 Direct | -3.78% | Disposed | 18.4% (price as of 2026-10-05) |
| March 2, 2005 | XELLL | A | 1,216 | · | · | 16,088 Direct | +8.18% | Acquired | (price as of 2026-10-05) |
| March 29, 2004 | XELLL | F | 4,501 | $18.06 | $81,288 | 14,222 Direct | -24.04% | Disposed | 16.8% (price as of 2026-10-05) |
| March 29, 2004 | XELLL | A | 10,215 | · | · | 18,723 Direct | +120.06% | Acquired | (price as of 2026-10-05) |
| March 16, 2004 | XELLL | F | 260 | $17.77 | $4,620 | 8,508 Direct | -2.97% | Disposed | 18.7% (price as of 2026-10-05) |
| Feb. 25, 2004 | XELLL | A | 2,938 | · | · | 8,769 Direct | +50.39% | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2004 | XELLL | F | 95 | $17.43 | $1,656 | 5,831 Direct | -1.60% | Disposed | 21.0% (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 |
|---|---|---|---|---|---|---|---|
| Oct. 31, 2024 | MDU | Phantom Stock | Common Stock | · | · | 371 | Acquired |
| Sept. 30, 2024 | MDU | Phantom Stock | Common Stock | · | · | 1,182 | Acquired |
| June 28, 2024 | MDU | Phantom Stock | Common Stock | · | · | 1,294 | Acquired |
| March 29, 2024 | MDU | Phantom Stock | Common Stock | · | · | 1,309 | Acquired |
| Dec. 30, 2022 | MDU | Phantom Stock | Common Stock | · | · | 1,060 | Acquired |
| Sept. 30, 2022 | MDU | Phantom Stock | Common Stock | · | · | 1,179 | Acquired |
| June 30, 2022 | MDU | Phantom Stock | Common Stock | · | · | 1,134 | Acquired |
| March 31, 2022 | MDU | Phantom Stock | Common Stock | · | · | 1,133 | Acquired |
| Dec. 31, 2021 | MDU | Phantom Stock | Common Stock | · | · | 975 | Acquired |
| Sept. 30, 2021 | MDU | Phantom Stock | Common Stock | · | · | 999 | Acquired |
| June 30, 2021 | MDU | Phantom Stock | Common Stock | · | · | 878 | Acquired |
| March 31, 2021 | MDU | Phantom Stock | Common Stock | · | · | 832 | Acquired |
| Dec. 31, 2020 | MDU | Phantom Stock | Common Stock | · | · | 1,014 | Acquired |
| Sept. 30, 2020 | MDU | Phantom Stock | Common Stock | · | · | 1,177 | Acquired |
| June 30, 2020 | MDU | Phantom Stock | Common Stock | · | · | 1,209 | Acquired |
| March 31, 2020 | MDU | Phantom Stock | Common Stock | · | · | 1,220 | Acquired |
| Feb. 19, 2014 | XELLL | Phantom Stock | Common Stock | · | · | 27,375 | Acquired |
| Feb. 19, 2014 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2016 | 5,288 | Acquired |
| Dec. 2, 2009 | XELLL | Employee Stock Option (right to buy) | Common Stock | $19.31 | Dec. 12, 2009 | 20,712 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 |
|---|---|---|---|---|---|---|---|---|
| 2014 | $540,000 | · | · | · | $600,175 | $42,491 | $83,085 | $2,050,755 |
| 2009 | $386,667 | · | $340,356 | · | $333,853 | $939,468 | $46,596 | $2,046,940 |
| 2008 | $345,000 | · | $263,388 | · | · | $105,659 | $35,657 | $749,704 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.