Samuel T Byrne
CIK 1474915 · View on SEC EDGAR ↗
Insider
First SEC filing: July 21, 2010 · Latest: July 21, 2010
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 58 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
58 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2020 | MGRD | P | 946 | $85.26 | $80,656 | 28,092 Direct | +3.48% | Acquired | -82.8% (price as of 2026-08-21) |
| Feb. 24, 2020 | MGRD | P | 4,054 | $85.10 | $344,995 | 27,146 Direct | +17.56% | Acquired | -82.8% (price as of 2026-08-21) |
| Sept. 12, 2019 | MGRD | P | 6,589 | $88.77 | $584,906 | 19,082 Direct | +52.74% | Acquired | -83.5% (price as of 2026-08-21) |
| Aug. 1, 2013 | MGRD | S | 5,666 | $183.95 | $1,042,261 | 2,112 Direct | -72.85% | Disposed | -92.0% (price as of 2026-08-21) |
| July 27, 2010 | AMRC | S | 40,000 | $9.30 | $372,000 | 1,698,620 Direct | -2.30% | Disposed | 141.8% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| July 28, 2020 | MGRD | Stock Units | Common Stock (2,342) | — | — | 2,342 | Acquired |
| July 28, 2020 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,239) | $69.63 | July 28, 2027 | 2,239 | Acquired |
| Feb. 4, 2020 | MGRD | Stock Units | Common Stock (488) | — | — | 488 | Acquired |
| Feb. 4, 2020 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,958) | $82.07 | Feb. 4, 2027 | 2,958 | Acquired |
| Sept. 13, 2019 | MGRD | Director Stock Option (Right to Buy) | Common Stock (3,411) | $65.51 | Dec. 2, 2019 | 3,411 | Disposed |
| July 30, 2019 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,661) | $86.78 | July 30, 2026 | 2,661 | Acquired |
| July 30, 2019 | MGRD | Stock Units | Common Stock (461) | — | — | 461 | Acquired |
| Feb. 5, 2019 | MGRD | Stock Units [F2] | Common Stock (364) | — | — | 364 | Acquired |
| Feb. 5, 2019 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,787) | $110.02 | Feb. 5, 2026 | 1,787 | Acquired |
| Aug. 21, 2018 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,034) | $90.22 | Dec. 14, 2018 | 2,034 | Disposed |
| July 31, 2018 | MGRD | Stock Units [F2] | Common Stock (250) | — | — | 250 | Acquired |
| July 31, 2018 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,353) | $160.01 | July 31, 2025 | 1,353 | Acquired |
| April 3, 2018 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,981) | $99.66 | July 19, 2018 | 1,981 | Disposed |
| Jan. 30, 2018 | MGRD | Stock Units [F2] | Common Stock (197) | — | — | 197 | Acquired |
| Jan. 30, 2018 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,116) | $203.22 | Jan. 30, 2025 | 1,116 | Acquired |
| Aug. 1, 2017 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,207) | $185.98 | Aug. 1, 2024 | 1,207 | Acquired |
| Aug. 1, 2017 | MGRD | Stock Units [F2] | Common Stock (215) | — | — | 215 | Acquired |
| May 3, 2017 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,080) | $95.82 | Dec. 14, 2017 | 2,080 | Disposed |
| May 3, 2017 | MGRD | Director Stock Option (Right to Buy) | Common Stock (820) | $62.91 | July 20, 2017 | 820 | Disposed |
| Jan. 31, 2017 | MGRD | Stock Units [F2] | Common Stock (263) | — | — | 263 | Acquired |
| Jan. 31, 2017 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,292) | $152.36 | Jan. 31, 2024 | 1,292 | Acquired |
| Aug. 2, 2016 | MGRD | Stock Units [F2] | Common Stock (284) | — | — | 284 | Acquired |
| Aug. 2, 2016 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,352) | $141.03 | Aug. 2, 2023 | 1,352 | Acquired |
| Feb. 3, 2016 | MGRD | Stock Units [F2] | Common Stock (327) | — | — | 327 | Acquired |
| Feb. 3, 2016 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,543) | $122.40 | Feb. 3, 2023 | 1,543 | Acquired |
| July 21, 2015 | MGRD | Stock Units [F2] | Common Stock (184) | — | — | 184 | Acquired |
| July 21, 2015 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,073) | $217.90 | July 21, 2022 | 1,073 | Acquired |
| Jan. 20, 2015 | MGRD | Stock Units [F2] | Common Stock (202) | — | — | 202 | Acquired |
| Jan. 20, 2015 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,120) | $197.79 | Jan. 20, 2022 | 1,120 | Acquired |
| July 22, 2014 | MGRD | Stock Units [F2] | Common Stock (193) | — | — | 193 | Acquired |
| July 22, 2014 | MGRD | Director Stock Option (Right to Buy) | Common Stock (990) | $207.21 | July 22, 2021 | 990 | Acquired |
| Dec. 18, 2013 | MGRD | Stock Units [F2] | Common Stock (192) | — | — | 192 | Acquired |
| Dec. 18, 2013 | MGRD | Director Stock Option (Right to Buy) | Common Stock (937) | $209.41 | Dec. 18, 2020 | 937 | Acquired |
| Aug. 1, 2013 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,457) | $62.91 | July 20, 2017 | 2,457 | Disposed |
| Aug. 1, 2013 | MGRD | Director Stock Option (Right to Buy) | Common Stock (3,209) | $71.46 | Oct. 20, 2016 | 3,209 | Disposed |
| July 23, 2013 | MGRD | Stock Units [F2] | Common Stock (229) | — | — | 229 | Acquired |
| July 23, 2013 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,005) | $175.28 | July 23, 2020 | 1,005 | Acquired |
| Dec. 14, 2012 | MGRD | Stock Units [F2] | Common Stock (313) | — | — | 313 | Acquired |
| Dec. 14, 2012 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,411) | $127.91 | Dec. 14, 2019 | 1,411 | Acquired |
| July 24, 2012 | MGRD | Stock Units [F2] | Common Stock (386) | — | — | 386 | Acquired |
| July 24, 2012 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,762) | $103.84 | July 24, 2019 | 1,762 | Acquired |
| Dec. 14, 2011 | MGRD | Stock Units [F2] | Common Stock (444) | — | — | 444 | Acquired |
| Dec. 14, 2011 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,034) | $90.22 | Dec. 14, 2018 | 2,034 | Acquired |
| July 19, 2011 | MGRD | Stock Units [F2] | Common Stock (402) | — | — | 402 | Acquired |
| July 19, 2011 | MGRD | Director Stock Option (Right to Buy) | Common Stock (1,981) | $99.66 | July 19, 2018 | 1,981 | Acquired |
| Dec. 14, 2010 | MGRD | Stock Units | Common Stock (418) | — | — | 418 | Acquired |
| Dec. 14, 2010 | MGRD | Director Stock Option (Right to Buy) | Common Stock (2,080) | $95.82 | Dec. 14, 2017 | 2,080 | Acquired |
| July 20, 2010 | MGRD | Stock Units [F2] | Common Stock (636) | — | — | 636 | Acquired |
| July 20, 2010 | MGRD | Director Stock Option (Right to Buy) | Common Stock (3,277) | $62.91 | July 20, 2017 | 3,277 | Acquired |
| Dec. 2, 2009 | MGRD | Director Stock Option (Right to Buy) | Common Stock (3,411) | $65.51 | Dec. 2, 2019 | 3,411 | Acquired |
| Oct. 20, 2009 | MGRD | Director Stock Option (Right to Buy) | Common Stock (3,209) | $71.46 | Oct. 20, 2016 | 3,209 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 21, 2010 | AMRC | Class A Common Stock | 1,738,620 | Direct |