Robert W Best
First SEC filing: Nov. 8, 2018 · Latest: Nov. 12, 2019
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 5, 2021 | ATO | A | 1,652 | $90.79 | $149,985 | 25,093 Direct | +7.05% | Acquired | 74.1% (price as of 2026-10-05) |
| Dec. 8, 2020 | ATO | G | 29,298 | · | · | 592,425 Direct | -4.71% | Disposed | (price as of 2026-10-05) |
| March 6, 2020 | ATO | A | 1,375 | $109.09 | $149,999 | 22,914 Direct | +6.38% | Acquired | 44.9% (price as of 2026-10-05) |
| March 8, 2019 | ATO | A | 1,504 | $99.73 | $149,994 | 21,101 Direct | +7.67% | Acquired | 58.5% (price as of 2026-10-05) |
| March 9, 2018 | ATO | A | 3,000 | $79.80 | $239,400 | 19,171 Direct | +18.55% | Acquired | 98.1% (price as of 2026-10-05) |
| March 10, 2017 | ATO | A | 3,000 | $77.19 | $231,570 | 15,828 Direct | +23.39% | Acquired | 104.8% (price as of 2026-10-05) |
| Nov. 4, 2016 | ATO | M | 11,309 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 4, 2016 | ATO | F | 2,828 | $71.66 | $202,654 | 557,672 Direct | -0.50% | Disposed | 120.6% (price as of 2026-10-05) |
| Nov. 4, 2016 | ATO | M | 11,309 | · | · | 560,500 Direct | +2.06% | Acquired | (price as of 2026-10-05) |
| March 4, 2016 | ATO | A | 3,000 | $70.11 | $210,330 | 12,533 Direct | +31.47% | Acquired | 125.4% (price as of 2026-10-05) |
| Nov. 6, 2015 | ATO | M | 20,034 | · | · | 11,309 Direct | -63.92% | Disposed | (price as of 2026-10-05) |
| Nov. 6, 2015 | ATO | F | 7,935 | $60.85 | $482,845 | 549,191 Direct | -1.42% | Disposed | 159.7% (price as of 2026-10-05) |
| Nov. 6, 2015 | ATO | M | 20,034 | · | · | 557,126 Direct | +3.73% | Acquired | (price as of 2026-10-05) |
| May 1, 2015 | ATO | M | 21,700 | · | · | 31,343 Direct | -40.91% | Disposed | (price as of 2026-10-05) |
| May 1, 2015 | ATO | F | 5,955 | $54.19 | $322,701 | 537,092 Direct | -1.10% | Disposed | 191.7% (price as of 2026-10-05) |
| May 1, 2015 | ATO | M | 21,700 | $54.19 | $1,175,923 | 543,047 Direct | +4.16% | Acquired | 191.7% (price as of 2026-10-05) |
| March 6, 2015 | ATO | A | 3,000 | $52.43 | $157,290 | 9,260 Direct | +47.92% | Acquired | 201.4% (price as of 2026-10-05) |
| Nov. 8, 2014 | ATO | M | 25,648 | · | · | 53,043 Direct | -32.59% | Disposed | (price as of 2026-10-05) |
| Nov. 8, 2014 | ATO | F | 10,158 | $54.25 | $551,072 | 521,347 Direct | -1.91% | Disposed | 191.3% (price as of 2026-10-05) |
| Nov. 8, 2014 | ATO | M | 25,648 | · | · | 531,505 Direct | +5.07% | Acquired | (price as of 2026-10-05) |
| Nov. 4, 2014 | ATO | F | 8,022 | $53.55 | $429,578 | 505,857 Direct | -1.56% | Disposed | 195.1% (price as of 2026-10-05) |
| Nov. 4, 2014 | ATO | M | 19,106 | · | · | 513,879 Direct | +3.86% | Acquired | (price as of 2026-10-05) |
| May 3, 2014 | ATO | M | 23,100 | · | · | 78,691 Direct | -22.69% | Disposed | (price as of 2026-10-05) |
| May 3, 2014 | ATO | F | 6,383 | $50.81 | $324,320 | 494,773 Direct | -1.27% | Disposed | 211.1% (price as of 2026-10-05) |
| May 3, 2014 | ATO | M | 23,100 | $50.81 | $1,173,711 | 501,156 Direct | +4.83% | Acquired | 211.1% (price as of 2026-10-05) |
| March 7, 2014 | ATO | A | 3,000 | · | · | 6,077 Direct | +97.50% | Acquired | (price as of 2026-10-05) |
| Nov. 5, 2013 | ATO | A | 11,309 | · | · | 101,791 Direct | +12.50% | Acquired | (price as of 2026-10-05) |
| Nov. 5, 2013 | ATO | F | 11,818 | $44.29 | $523,419 | 478,056 Direct | -2.41% | Disposed | 256.9% (price as of 2026-10-05) |
| Nov. 5, 2013 | ATO | A | 28,169 | · | · | 489,874 Direct | +6.10% | Acquired | (price as of 2026-10-05) |
| Nov. 2, 2013 | ATO | M | 8,895 | · | · | 90,482 Direct | -8.95% | Disposed | (price as of 2026-10-05) |
| Nov. 2, 2013 | ATO | F | 3,524 | $44.43 | $156,571 | 461,705 Direct | -0.76% | Disposed | 255.7% (price as of 2026-10-05) |
| Nov. 2, 2013 | ATO | M | 8,895 | · | · | 465,229 Direct | +1.95% | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2013 | ATO | M | 24,000 | · | · | 99,377 Direct | -19.45% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2013 | ATO | F | 9,504 | $42.66 | $405,441 | 456,334 Direct | -2.04% | Disposed | 270.5% (price as of 2026-10-05) |
| Oct. 1, 2013 | ATO | M | 24,000 | $42.66 | $1,023,840 | 465,838 Direct | +5.43% | Acquired | 270.5% (price as of 2026-10-05) |
| April 1, 2013 | ATO | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 9, 2012 | ATO | M | 8,472 | · | · | 123,377 Direct | -6.43% | Disposed | (price as of 2026-10-05) |
| Nov. 9, 2012 | ATO | F | 2,966 | $34.67 | $102,831 | 437,548 Direct | -0.67% | Disposed | 355.9% (price as of 2026-10-05) |
| Nov. 9, 2012 | ATO | M | 8,472 | · | · | 440,514 Direct | +1.96% | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2012 | ATO | A | 20,034 | $35.55 | $712,209 | 131,849 Direct | +17.92% | Acquired | 344.6% (price as of 2026-10-05) |
| Nov. 6, 2012 | ATO | F | 7,868 | $35.55 | $279,707 | 432,042 Direct | -1.79% | Disposed | 344.6% (price as of 2026-10-05) |
| Nov. 6, 2012 | ATO | A | 21,585 | · | · | 439,910 Direct | +5.16% | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2012 | ATO | M | 62,900 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2012 | ATO | S | 62,900 | $36.77 | $2,312,833 | 414,292 Direct | -13.18% | Disposed | 329.8% (price as of 2026-10-05) |
| Aug. 14, 2012 | ATO | M | 62,900 | $36.77 | $2,312,833 | 477,192 Direct | +15.18% | Acquired | 329.8% (price as of 2026-10-05) |
| May 4, 2012 | ATO | C | 28,000 | · | · | 111,815 Direct | -20.03% | Disposed | (price as of 2026-10-05) |
| May 4, 2012 | ATO | C | 28,000 | · | · | 410,290 Direct | +7.32% | Acquired | (price as of 2026-10-05) |
| May 4, 2012 | ATO | F | 7,000 | $32.46 | $227,220 | 382,290 Direct | -1.80% | Disposed | 386.9% (price as of 2026-10-05) |
| May 4, 2012 | ATO | F | 7,406 | $32.46 | $240,399 | 381,884 Direct | -1.90% | Disposed | 386.9% (price as of 2026-10-05) |
| May 1, 2012 | ATO | A | 21,700 | · | · | 139,815 Direct | +18.37% | Acquired | (price as of 2026-10-05) |
| Nov. 11, 2011 | ATO | F | 4,859 | $35.07 | $170,405 | 384,971 Direct | -1.25% | Disposed | 350.7% (price as of 2026-10-05) |
| Nov. 8, 2011 | ATO | A | 25,648 | $35.09 | $899,988 | 118,115 Direct | +27.74% | Acquired | 350.4% (price as of 2026-10-05) |
| Nov. 8, 2011 | ATO | F | 9,444 | $35.09 | $331,390 | 389,830 Direct | -2.37% | Disposed | 350.4% (price as of 2026-10-05) |
| Nov. 8, 2011 | ATO | A | 25,912 | · | · | 399,274 Direct | +6.94% | Acquired | (price as of 2026-10-05) |
| May 3, 2011 | ATO | A | 23,100 | · | · | 92,467 Direct | +33.30% | Acquired | (price as of 2026-10-05) |
| April 29, 2011 | ATO | F | 6,877 | $34.74 | $238,907 | 373,154 Direct | -1.81% | Disposed | 355.0% (price as of 2026-10-05) |
| Nov. 26, 2010 | ATO | M | 43,362 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 26, 2010 | ATO | S | 43,362 | $30.23 | $1,310,833 | 380,031 Direct | -10.24% | Disposed | 422.8% (price as of 2026-10-05) |
| Nov. 26, 2010 | ATO | M | 43,362 | · | · | 423,393 Direct | +11.41% | Acquired | (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | M | 4,948 | · | · | 384,979 Direct | +1.30% | Acquired | (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | S | 4,948 | $30.32 | $150,023 | 380,031 Direct | -1.29% | Disposed | 421.3% (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | M | 62,282 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | M | 4,948 | · | · | 43,362 Direct | -10.24% | Disposed | (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | S | 62,282 | $30.32 | $1,888,390 | 380,031 Direct | -14.08% | Disposed | 421.3% (price as of 2026-10-05) |
| Nov. 24, 2010 | ATO | M | 62,282 | · | · | 442,313 Direct | +16.39% | Acquired | (price as of 2026-10-05) |
| Nov. 10, 2010 | ATO | M | 35,610 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 10, 2010 | ATO | S | 35,610 | $30.15 | $1,073,642 | 380,031 Direct | -8.57% | Disposed | 424.2% (price as of 2026-10-05) |
| Nov. 10, 2010 | ATO | M | 35,610 | · | · | 415,641 Direct | +9.37% | Acquired | (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | M | 64,390 | · | · | 35,610 Direct | -64.39% | Disposed | (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | M | 75,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | S | 64,390 | $30.17 | $1,942,646 | 380,031 Direct | -14.49% | Disposed | 423.9% (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | M | 64,390 | · | · | 444,421 Direct | +16.94% | Acquired | (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | S | 75,000 | $30.17 | $2,262,750 | 380,031 Direct | -16.48% | Disposed | 423.9% (price as of 2026-10-05) |
| Nov. 9, 2010 | ATO | M | 75,000 | · | · | 455,031 Direct | +19.74% | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2010 | ATO | F | 3,436 | $30.36 | $104,317 | 380,031 Direct | -0.90% | Disposed | 420.6% (price as of 2026-10-05) |
| Nov. 2, 2010 | ATO | A | 8,895 | $29.77 | $264,804 | 69,367 Direct | +14.71% | Acquired | 430.9% (price as of 2026-10-05) |
| Nov. 2, 2010 | ATO | F | 16,332 | $29.77 | $486,204 | 383,467 Direct | -4.09% | Disposed | 430.9% (price as of 2026-10-05) |
| Nov. 2, 2010 | ATO | A | 44,809 | · | · | 399,799 Direct | +12.62% | Acquired | (price as of 2026-10-05) |
| May 4, 2010 | ATO | A | 24,000 | · | · | 60,472 Direct | +65.80% | Acquired | (price as of 2026-10-05) |
| May 1, 2010 | ATO | F | 6,877 | $29.82 | $205,072 | 354,990 Direct | -1.90% | Disposed | 430.0% (price as of 2026-10-05) |
| Nov. 16, 2009 | ATO | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2009 | ATO | S | 50,000 | $28.64 | $1,432,000 | 361,867 Direct | -12.14% | Disposed | 451.9% (price as of 2026-10-05) |
| Nov. 16, 2009 | ATO | M | 50,000 | $15.65 | $782,500 | 411,867 Direct | +13.82% | Acquired | 909.9% (price as of 2026-10-05) |
| Nov. 10, 2009 | ATO | A | 8,472 | $29.08 | $246,366 | 36,472 Direct | +30.26% | Acquired | 443.5% (price as of 2026-10-05) |
| Nov. 10, 2009 | ATO | F | 13,737 | $29.08 | $399,472 | 361,867 Direct | -3.66% | Disposed | 443.5% (price as of 2026-10-05) |
| Nov. 10, 2009 | ATO | A | 37,686 | · | · | 375,604 Direct | +11.15% | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2009 | ATO | D | 2,916 | $28.90 | $84,272 | 337,918 Direct | -0.86% | Disposed | 446.9% (price as of 2026-10-05) |
| May 9, 2009 | ATO | F | 8,177 | $25.86 | $211,457 | 340,834 Direct | -2.34% | Disposed | 511.2% (price as of 2026-10-05) |
| May 5, 2009 | ATO | A | 28,000 | · | · | 28,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 11, 2008 | ATO | F | 16,355 | $23.50 | $384,342 | 349,011 Direct | -4.48% | Disposed | 572.6% (price as of 2026-10-05) |
| Nov. 11, 2008 | ATO | A | 44,869 | · | · | 365,366 Direct | +14.00% | Acquired | (price as of 2026-10-05) |
| Nov. 11, 2008 | ATO | A | 13,328 | $23.50 | $313,208 | 320,497 Direct | +4.34% | Acquired | 572.6% (price as of 2026-10-05) |
| Nov. 8, 2008 | ATO | F | 9,873 | $23.58 | $232,805 | 307,169 Direct | -3.11% | Disposed | 570.3% (price as of 2026-10-05) |
| May 10, 2008 | ATO | F | 9,477 | $27.77 | $263,176 | 317,042 Direct | -2.90% | Disposed | 469.1% (price as of 2026-10-05) |
| April 29, 2008 | ATO | A | 26,000 | · | · | 326,519 Direct | +8.65% | Acquired | (price as of 2026-10-05) |
| March 10, 2008 | ATO | P | 972 | $25.73 | $25,010 | 2,985 Indirect | +48.29% | Acquired | 514.3% (price as of 2026-10-05) |
| Nov. 9, 2007 | ATO | F | 2,968 | $26.69 | $79,216 | 300,519 Direct | -0.98% | Disposed | 492.2% (price as of 2026-10-05) |
| Nov. 6, 2007 | ATO | A | 9,428 | $27.77 | $261,816 | 303,487 Direct | +3.21% | Acquired | 469.1% (price as of 2026-10-05) |
| Nov. 6, 2007 | ATO | F | 10,742 | $27.77 | $298,305 | 294,059 Direct | -3.52% | Disposed | 469.1% (price as of 2026-10-05) |
| June 19, 2006 | ATO | P | 1,887 | $26.50 | $50,006 | 1,887 Indirect | · | Acquired | 496.4% (price as of 2026-10-05) |
Showing latest 100 of 117 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 |
|---|---|---|---|---|---|---|---|
| March 5, 2021 | ATO | Phantom Stock Units | Common Stock | · | · | 1,652 | Acquired |
| March 6, 2020 | ATO | Phantom Stock Units | Common Stock | · | · | 1,375 | Acquired |
| March 8, 2019 | ATO | Phantom Stock Units | Common Stock | · | · | 1,504 | Acquired |
| March 9, 2018 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| March 10, 2017 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| Nov. 4, 2016 | ATO | Restricted Stock Unit | Common Stock | · | · | 11,309 | Disposed |
| March 4, 2016 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| Nov. 6, 2015 | ATO | Restricted Stock Unit | Common Stock | · | · | 20,034 | Disposed |
| May 1, 2015 | ATO | Restricted Stock Unit | Common Stock | · | · | 21,700 | Disposed |
| March 6, 2015 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| Nov. 8, 2014 | ATO | Restricted Stock Unit | Common Stock | · | · | 25,648 | Disposed |
| May 3, 2014 | ATO | Restricted Stock Unit | Common Stock | · | · | 23,100 | Disposed |
| March 7, 2014 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| Nov. 5, 2013 | ATO | Restricted Stock Unit | Common Stock | · | · | 11,309 | Acquired |
| Nov. 2, 2013 | ATO | Restricted Stock Unit | Common Stock | · | · | 8,895 | Disposed |
| Oct. 1, 2013 | ATO | Restricted Stock Unit | Common Stock | · | · | 24,000 | Disposed |
| April 1, 2013 | ATO | Phantom Stock Units | Common Stock | · | · | 3,000 | Acquired |
| Nov. 9, 2012 | ATO | Restricted Stock Unit | Common Stock | · | · | 8,472 | Disposed |
| Nov. 6, 2012 | ATO | Restricted Stock Unit | Common Stock | · | · | 20,034 | Acquired |
| Aug. 14, 2012 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $21.23 | March 10, 2013 | 62,900 | Disposed |
| May 4, 2012 | ATO | Restricted Stock Unit | Common Stock | · | · | 28,000 | Disposed |
| May 1, 2012 | ATO | Restricted Stock Unit | Common Stock | · | · | 21,700 | Acquired |
| Nov. 8, 2011 | ATO | Restricted Stock Unit | Common Stock | · | · | 25,648 | Acquired |
| May 3, 2011 | ATO | Restricted Stock Unit | Common Stock | · | · | 23,100 | Acquired |
| Nov. 26, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $21.58 | Nov. 11, 2012 | 43,362 | Disposed |
| Nov. 24, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $21.30 | Nov. 5, 2011 | 62,282 | Disposed |
| Nov. 24, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $21.58 | Nov. 11, 2012 | 4,948 | Disposed |
| Nov. 10, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $22.68 | March 6, 2012 | 35,610 | Disposed |
| Nov. 9, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $22.68 | March 6, 2012 | 64,390 | Disposed |
| Nov. 9, 2010 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $23.56 | March 5, 2011 | 75,000 | Disposed |
| Nov. 2, 2010 | ATO | Restricted Stock Unit | Common Stock | · | · | 8,895 | Acquired |
| May 4, 2010 | ATO | Restricted Stock Unit | Common Stock | · | · | 24,000 | Acquired |
| Nov. 16, 2009 | ATO | Employee Stock Option (Right to Buy) | Common Stock | $15.65 | March 6, 2010 | 50,000 | Disposed |
| Nov. 10, 2009 | ATO | Restricted Stock Unit | Common Stock | · | · | 8,472 | Acquired |
| May 5, 2009 | ATO | Restricted Stock Unit | Common Stock | · | · | 28,000 | Acquired |
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 |
|---|---|---|---|---|---|---|---|---|
| 2011 | · | · | · | · | · | · | · | · |
| 2010 | · | · | · | · | · | $1,974,863,549,649,819,136 | $168,529,202,323,212,640 | · |
| 2007 | $790,262 | · | $2,299,801 | · | $698,200 | $2,960,142 | $77,865 | $6,826,270 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.