William J Dawson
CIK 1226139 · View on SEC EDGAR ↗
First SEC filing: April 3, 2025 · Latest: April 3, 2025
On this page
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 29, 2024 | MGRC | S | 3,897 | $115.66 | $450,727 | 4,000 Direct | -49.35% | Disposed | 0.8% (price as of 2026-08-20) |
| Oct. 29, 2024 | MGRC | S | 16,103 | $114.84 | $1,849,269 | 7,897 Direct | -67.10% | Disposed | 1.6% (price as of 2026-08-20) |
| May 3, 2018 | MGRC | S | 4,843 | $60.74 | $294,164 | 13,900 Direct | -25.84% | Disposed | 92.0% (price as of 2026-08-20) |
| Nov. 27, 2017 | MGRC | S | 4,000 | $47.83 | $191,320 | 15,543 Direct | -20.47% | Disposed | 143.8% (price as of 2026-08-20) |
| June 13, 2016 | MGRC | S | 5,000 | $30.27 | $151,350 | 15,643 Direct | -24.22% | Disposed | 285.3% (price as of 2026-08-20) |
| Aug. 10, 2015 | MGRC | S | 3,000 | $24.91 | $74,730 | 20,643 Direct | -12.69% | Disposed | 368.2% (price as of 2026-08-20) |
| Nov. 14, 2014 | MGRC | S | 100 | $38.00 | $3,800 | 20,843 Direct | -0.48% | Disposed | 206.9% (price as of 2026-08-20) |
| Nov. 13, 2014 | MGRC | S | 2,143 | $38.00 | $81,434 | 32,857 Direct | -6.12% | Disposed | 206.9% (price as of 2026-08-20) |
| Sept. 12, 2013 | MGRC | S | 1,394 | $35.06 | $48,874 | 9,900 Direct | -12.34% | Disposed | 232.7% (price as of 2026-08-20) |
| May 17, 2013 | MGRC | S | 3,402 | $31.85 | $108,354 | 9,900 Direct | -25.58% | Disposed | 266.2% (price as of 2026-08-20) |
| May 16, 2013 | MGRC | S | 12,598 | $31.54 | $397,341 | 9,900 Direct | -56.00% | Disposed | 269.8% (price as of 2026-08-20) |
| March 5, 2012 | MGRC | S | 14,600 | $31.37 | $458,002 | 5,500 Direct | -72.64% | Disposed | 271.8% (price as of 2026-08-20) |
| March 2, 2012 | MGRC | S | 1,400 | $32.06 | $44,884 | 5,500 Direct | -20.29% | Disposed | 263.8% (price as of 2026-08-20) |
| May 19, 2011 | MGRC | S | 4,000 | $27.45 | $109,800 | 7,000 Direct | -36.36% | Disposed | 324.9% (price as of 2026-08-20) |
| Nov. 22, 2010 | MGRC | S | 8,000 | $28.34 | $226,720 | 11,000 Direct | -42.11% | Disposed | 311.5% (price as of 2026-08-20) |
| Nov. 23, 2009 | MGRC | S | 8,000 | $21.15 | $169,200 | 8,000 Direct | -50.00% | Disposed | 451.4% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 100 | $29.99 | $2,999 | 21,900 Direct | -0.45% | Disposed | 288.9% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 124 | $29.97 | $3,716 | 21,776 Direct | -0.57% | Disposed | 289.2% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 276 | $29.95 | $8,266 | 21,500 Direct | -1.27% | Disposed | 289.4% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 500 | $29.92 | $14,960 | 21,000 Direct | -2.33% | Disposed | 289.8% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 200 | $29.91 | $5,982 | 20,800 Direct | -0.95% | Disposed | 289.9% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 100 | $29.90 | $2,990 | 20,700 Direct | -0.48% | Disposed | 290.1% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 300 | $29.89 | $8,967 | 20,400 Direct | -1.45% | Disposed | 290.2% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 200 | $29.88 | $5,976 | 20,200 Direct | -0.98% | Disposed | 290.3% (price as of 2026-08-20) |
| Feb. 28, 2007 | MGRC | S | 300 | $29.87 | $8,961 | 19,900 Direct | -1.49% | Disposed | 290.5% (price as of 2026-08-20) |
Showing latest 100 of 146 transactions
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 |
|---|---|---|---|---|---|---|---|
| April 1, 2025 | MGRC | Restricted Stock Unit | Common Stock (1,000) | $0.00 | Feb. 24, 2031 | 1,000 | Disposed |
| April 1, 2024 | MGRC | Restricted Stock Unit | Common Stock (1,200) | $0.00 | Feb. 24, 2030 | 1,200 | Disposed |
| Feb. 23, 2024 | MGRC | Restricted Stock Unit | Common Stock (1,000) | $0.00 | Feb. 23, 2031 | 1,000 | Acquired |
| April 3, 2023 | MGRC | Restricted Stock Unit | Common Stock (1,500) | $0.00 | Feb. 25, 2029 | 1,500 | Disposed |
| Feb. 24, 2023 | MGRC | Restricted Stock Unit | Common Stock (1,200) | $0.00 | Feb. 24, 2030 | 1,200 | Acquired |
| April 1, 2022 | MGRC | Restricted Stock Unit | Common Stock (1,500) | $0.00 | Feb. 25, 2028 | 1,500 | Disposed |
| Feb. 25, 2022 | MGRC | Restricted Stock Unit | Common Stock (1,500) | $0.00 | Feb. 25, 2029 | 1,500 | Acquired |
| April 1, 2021 | MGRC | Restricted Stock Unit | Common Stock (1,700) | $0.00 | Feb. 27, 2027 | 1,700 | Disposed |
| Feb. 25, 2021 | MGRC | Restricted Stock Units | Common Stock (1,500) | $0.00 | Feb. 25, 2028 | 1,500 | Acquired |
| April 1, 2020 | MGRC | Restricted Stock Units | Common Stock (2,000) | $0.00 | Feb. 28, 2026 | 2,000 | Disposed |
| Feb. 27, 2020 | MGRC | Restricted Stock Units | Common Stock (1,700) | $0.00 | Feb. 27, 2027 | 1,700 | Acquired |
| April 1, 2019 | MGRC | Restricted Stock Units | Common Stock (2,200) | $0.00 | March 1, 2025 | 2,200 | Disposed |
| Feb. 28, 2019 | MGRC | Restricted Stock Units | Common Stock (2,000) | $0.00 | Feb. 28, 2026 | 2,000 | Acquired |
| April 2, 2018 | MGRC | Restricted Stock Units | Common Stock (3,200) | $0.00 | March 2, 2024 | 3,200 | Disposed |
| March 1, 2018 | MGRC | Restricted Stock Units | Common Stock (2,200) | $0.00 | March 1, 2025 | 2,200 | Acquired |
| April 3, 2017 | MGRC | Restricted Stock Units | Common Stock (3,900) | $0.00 | March 1, 2023 | 3,900 | Disposed |
| March 2, 2017 | MGRC | Restricted Stock Units | Common Stock (3,200) | $0.00 | March 2, 2024 | 3,200 | Acquired |
| Feb. 29, 2016 | MGRC | Restricted Stock Units | Common Stock (3,900) | $0.00 | March 1, 2023 | 3,900 | Acquired |
| April 1, 2015 | MGRC | Restricted Stock Units | Common Stock (2,800) | $0.00 | March 3, 2021 | 2,800 | Disposed |
| March 2, 2015 | MGRC | Restricted Stock Units | Common Stock (3,000) | $0.00 | March 2, 2022 | 3,000 | Acquired |
| Nov. 13, 2014 | MGRC | Stock Option | Common Stock (22,000) | $20.71 | Feb. 25, 2015 | 22,000 | Disposed |
| April 1, 2014 | MGRC | Restricted Stock Units | Common Stock (3,100) | $0.00 | Feb. 25, 2020 | 3,100 | Disposed |
| March 3, 2014 | MGRC | Restricted Stock Units | Common Stock (2,800) | $0.00 | March 3, 2021 | 2,800 | Acquired |
| Sept. 11, 2013 | MGRC | Stock Option | Common Stock (12,000) | $31.14 | Feb. 26, 2014 | 12,000 | Disposed |
| May 17, 2013 | MGRC | Officer Right to Buy | Common Stock (3,402) | $22.30 | Dec. 28, 2014 | 3,402 | Disposed |
| May 16, 2013 | MGRC | Officer Right to Buy | Common Stock (12,598) | $22.30 | Dec. 28, 2014 | 12,598 | Disposed |
| April 1, 2013 | MGRC | Restricted Stock Unit | Common Stock (2,100) | $0.00 | March 2, 2019 | 2,100 | Disposed |
| Feb. 25, 2013 | MGRC | Restricted Stock Units | Common Stock (3,100) | $0.00 | Feb. 25, 2020 | 3,100 | Acquired |
| April 2, 2012 | MGRC | Restricted Stock Units | Common Stock (2,300) | $0.00 | Feb. 25, 2018 | 2,300 | Disposed |
| March 6, 2012 | MGRC | Restricted Stock Unit | Common Stock (2,100) | $0.00 | March 2, 2019 | 2,100 | Acquired |
| March 5, 2012 | MGRC | Officer Right to Buy | Common Stock (6,600) | $11.26 | Nov. 21, 2012 | 6,600 | Disposed |
| March 5, 2012 | MGRC | Officer Right to Buy | Common Stock (8,000) | $13.94 | Nov. 20, 2013 | 8,000 | Disposed |
| March 2, 2012 | MGRC | Officer Right to Buy | Common Stock (1,400) | $11.26 | Nov. 21, 2012 | 1,400 | Disposed |
| Feb. 25, 2011 | MGRC | Restricted Stock Units [F1] | Common Stock (2,300) | $0.00 | Feb. 25, 2018 | 2,300 | Acquired |
| Nov. 22, 2010 | MGRC | Officer Right to Buy | Common Stock (8,000) | $12.78 | Nov. 15, 2011 | 8,000 | Disposed |
| Jan. 12, 2009 | CERS | Option (Right to Buy) | Common Stock (75,000) | $0.79 | Jan. 11, 2019 | 75,000 | Acquired |
| Oct. 1, 2008 | CERS | Option (Right to Buy) | Common Stock (30,000) | $4.19 | Sept. 30, 2018 | 30,000 | Acquired |
| May 23, 2008 | MGRC | Officer Right to Buy | Common Stock (8,000) | $7.97 | Nov. 7, 2010 | 8,000 | Disposed |
| March 17, 2008 | CERS | Employee Stock Options | Common Stock (100,000) | $2.05 | Aug. 8, 2014 | 100,000 | Disposed |
| Feb. 25, 2008 | MGRC | Stock Option | Common Stock (22,000) | $20.71 | Feb. 25, 2015 | 22,000 | Acquired |
| Oct. 1, 2007 | CERS | Option (Right to Buy) | Common Stock (25) | $8.73 | Sept. 30, 2017 | 25 | Acquired |
| Oct. 1, 2007 | CERS | Option (Right to Buy) | Common Stock (30,000) | $8.73 | Sept. 30, 2017 | 30,000 | Acquired |
| Feb. 28, 2007 | MGRC | Stock Option | Common Stock (10,000) | $10.84 | Aug. 16, 2008 | 10,000 | Disposed |
| Feb. 28, 2007 | MGRC | Stock Option | Common Stock (8,000) | $9.12 | Dec. 21, 2009 | 8,000 | Disposed |
| Feb. 26, 2007 | MGRC | Director Option to Buy | Common Stock (12,000) | $31.14 | Feb. 28, 2014 | 12,000 | Acquired |
| Oct. 2, 2006 | CERS | Option (Right to Buy) | Common Sotck (30,000) | $5.55 | Oct. 1, 2016 | 30,000 | Acquired |
| Dec. 2, 2005 | MGRC | Director Option to Buy | Common Stock (16,000) | $29.56 | Dec. 2, 2015 | 16,000 | Acquired |
| Sept. 7, 2005 | MGRC | Director Option to Buy | Common Stock (10,000) | $10.84 | Aug. 16, 2008 | 10,000 | Disposed |
| Dec. 28, 2004 | MGRC | Director Option to Buy | Common Stock (8,000) | $44.60 | Dec. 28, 2014 | 8,000 | Disposed |
| Aug. 9, 2004 | CERS | Option (Right to Buy) | Common Stock (150,000) | $2.05 | Aug. 8, 2014 | 150,000 | Acquired |
| Nov. 21, 2003 | MGRC | Director Option to Buy | Common Stock (4,000) | $27.88 | Nov. 21, 2013 | 4,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2008 | $291,393 | — | — | — | — | — | $1,242 | $410,381 |
| 2007 | $279,969 | — | — | — | $59,219 | — | $1,242 | $443,984 |
| 2006 | $267,708 | — | $10,599 | $107,680 | $66,116 | — | $1,250 | $453,353 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.