David J Park
Insider
First SEC filing: Jan. 13, 2017 · Latest: Jan. 13, 2017
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $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 |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2021 | ATO | A | 3,215 | $103.49 | $332,720 | 8,710 Direct | +58.51% | Acquired | 52.9% (price as of 2026-10-06) |
| May 1, 2021 | ATO | M | 3,000 | · | · | 5,495 Direct | -35.31% | Disposed | (price as of 2026-10-06) |
| May 1, 2021 | ATO | F | 1,026 | $102.88 | $105,555 | 16,886 Direct | -5.73% | Disposed | 53.8% (price as of 2026-10-06) |
| May 1, 2021 | ATO | M | 3,000 | $102.88 | $308,640 | 17,912 Direct | +20.12% | Acquired | 53.8% (price as of 2026-10-06) |
| Dec. 29, 2020 | ATO | G | 217 | · | · | 14,912 Direct | -1.43% | Disposed | (price as of 2026-10-06) |
| Nov. 11, 2020 | ATO | F | 1,273 | $101.25 | $128,891 | 15,129 Direct | -7.76% | Disposed | 56.2% (price as of 2026-10-06) |
| Nov. 11, 2020 | ATO | M | 3,704 | $101.25 | $375,030 | 16,402 Direct | +29.17% | Acquired | 56.2% (price as of 2026-10-06) |
| Nov. 6, 2020 | ATO | M | 1,503 | · | · | 8,495 Direct | -15.03% | Disposed | (price as of 2026-10-06) |
| Nov. 6, 2020 | ATO | F | 518 | $94.51 | $48,956 | 12,698 Direct | -3.92% | Disposed | 67.4% (price as of 2026-10-06) |
| Nov. 6, 2020 | ATO | M | 1,503 | $94.51 | $142,049 | 13,216 Direct | +12.83% | Acquired | 67.4% (price as of 2026-10-06) |
| May 5, 2020 | ATO | A | 2,610 | $102.03 | $266,298 | 9,998 Direct | +35.33% | Acquired | 55.0% (price as of 2026-10-06) |
| May 1, 2020 | ATO | M | 2,525 | · | · | 7,388 Direct | -25.47% | Disposed | (price as of 2026-10-06) |
| May 1, 2020 | ATO | F | 864 | $99.97 | $86,374 | 11,716 Direct | -6.87% | Disposed | 58.2% (price as of 2026-10-06) |
| May 1, 2020 | ATO | M | 2,525 | $99.97 | $252,424 | 12,580 Direct | +25.11% | Acquired | 58.2% (price as of 2026-10-06) |
| Nov. 11, 2019 | ATO | S | 4,000 | $106.92 | $427,680 | 10,055 Direct | -28.46% | Disposed | 48.0% (price as of 2026-10-06) |
| Nov. 8, 2019 | ATO | M | 443 | · | · | 9,913 Direct | -4.28% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2019 | ATO | F | 153 | $107.66 | $16,472 | 14,055 Direct | -1.08% | Disposed | 46.9% (price as of 2026-10-06) |
| Nov. 8, 2019 | ATO | M | 443 | $107.66 | $47,693 | 14,208 Direct | +3.22% | Acquired | 46.9% (price as of 2026-10-06) |
| Nov. 5, 2019 | ATO | F | 1,302 | $108.40 | $141,137 | 13,831 Direct | -8.60% | Disposed | 45.9% (price as of 2026-10-06) |
| Nov. 5, 2019 | ATO | M | 3,788 | $108.40 | $410,619 | 15,133 Direct | +33.39% | Acquired | 45.9% (price as of 2026-10-06) |
| May 7, 2019 | ATO | A | 2,885 | · | · | 10,356 Direct | +38.62% | Acquired | (price as of 2026-10-06) |
| May 4, 2019 | ATO | M | 975 | · | · | 7,471 Direct | -11.54% | Disposed | (price as of 2026-10-06) |
| May 4, 2019 | ATO | F | 331 | $102.47 | $33,918 | 11,210 Direct | -2.87% | Disposed | 54.4% (price as of 2026-10-06) |
| May 4, 2019 | ATO | M | 975 | $102.47 | $99,908 | 11,541 Direct | +9.23% | Acquired | 54.4% (price as of 2026-10-06) |
| Nov. 6, 2018 | ATO | F | 462 | $94.18 | $43,511 | 10,566 Direct | -4.19% | Disposed | 68.0% (price as of 2026-10-06) |
| Nov. 6, 2018 | ATO | M | 1,343 | $94.18 | $126,484 | 11,028 Direct | +13.87% | Acquired | 68.0% (price as of 2026-10-06) |
| Nov. 2, 2018 | ATO | M | 1,130 | · | · | 8,446 Direct | -11.80% | Disposed | (price as of 2026-10-06) |
| Nov. 2, 2018 | ATO | F | 389 | $92.21 | $35,870 | 9,685 Direct | -3.86% | Disposed | 71.6% (price as of 2026-10-06) |
| Nov. 2, 2018 | ATO | M | 1,130 | $92.21 | $104,197 | 10,074 Direct | +12.63% | Acquired | 71.6% (price as of 2026-10-06) |
| May 5, 2018 | ATO | M | 1,080 | · | · | 9,576 Direct | -10.14% | Disposed | (price as of 2026-10-06) |
| May 5, 2018 | ATO | F | 419 | $88.86 | $37,232 | 8,944 Direct | -4.48% | Disposed | 78.0% (price as of 2026-10-06) |
| May 5, 2018 | ATO | M | 1,080 | $88.86 | $95,969 | 9,363 Direct | +13.04% | Acquired | 78.0% (price as of 2026-10-06) |
| May 5, 2018 | ATO | M | 1,080 | · | · | 9,576 Direct | -10.14% | Disposed | (price as of 2026-10-06) |
| May 5, 2018 | ATO | F | 419 | $88.86 | $37,232 | 8,944 Direct | -4.48% | Disposed | 78.0% (price as of 2026-10-06) |
| May 5, 2018 | ATO | M | 1,080 | $88.86 | $95,969 | 9,363 Direct | +13.04% | Acquired | 78.0% (price as of 2026-10-06) |
| May 1, 2018 | ATO | A | 3,000 | · | · | 10,656 Direct | +39.18% | Acquired | (price as of 2026-10-06) |
| Nov. 7, 2017 | ATO | A | 1,503 | · | · | 7,656 Direct | +24.43% | Acquired | (price as of 2026-10-06) |
| Nov. 7, 2017 | ATO | F | 718 | $88.24 | $63,356 | 8,283 Direct | -7.98% | Disposed | 79.3% (price as of 2026-10-06) |
| Nov. 7, 2017 | ATO | M | 1,710 | $88.24 | $150,890 | 9,001 Direct | +23.45% | Acquired | 79.3% (price as of 2026-10-06) |
| Nov. 3, 2017 | ATO | M | 664 | · | · | 6,153 Direct | -9.74% | Disposed | (price as of 2026-10-06) |
| Nov. 3, 2017 | ATO | F | 279 | $87.06 | $24,290 | 7,291 Direct | -3.69% | Disposed | 81.7% (price as of 2026-10-06) |
| Nov. 3, 2017 | ATO | M | 664 | $87.06 | $57,808 | 7,570 Direct | +9.61% | Acquired | 81.7% (price as of 2026-10-06) |
| May 6, 2017 | ATO | M | 760 | · | · | 6,817 Direct | -10.03% | Disposed | (price as of 2026-10-06) |
| May 6, 2017 | ATO | F | 315 | $81.90 | $25,798 | 6,906 Direct | -4.36% | Disposed | 93.2% (price as of 2026-10-06) |
| May 6, 2017 | ATO | M | 760 | $81.90 | $62,244 | 7,221 Direct | +11.76% | Acquired | 93.2% (price as of 2026-10-06) |
| May 2, 2017 | ATO | A | 2,525 | · | · | 7,577 Direct | +49.98% | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| May 4, 2021 | ATO | Restricted Stock Unit | Common Stock | · | · | 3,215 | Acquired |
| May 1, 2021 | ATO | Restricted Stock Unit | Common Stock | · | · | 3,000 | Disposed |
| Nov. 6, 2020 | ATO | Restricted Stock Unit | Common Stock | · | · | 1,503 | Disposed |
| May 5, 2020 | ATO | Restricted Stock Unit | Common Stock | · | · | 2,610 | Acquired |
| May 1, 2020 | ATO | Restricted Stock Unit | Common Stock | · | · | 2,525 | Disposed |
| Nov. 8, 2019 | ATO | Restricted Stock Unit | Common Stock | · | · | 443 | Disposed |
| May 7, 2019 | ATO | Restricted Stock Unit | Common Stock | · | · | 2,885 | Acquired |
| May 4, 2019 | ATO | Restricted Stock Unit | Common Stock | · | · | 975 | Disposed |
| Nov. 2, 2018 | ATO | Restricted Stock Unit | Common Stock | · | · | 1,130 | Disposed |
| May 5, 2018 | ATO | Restricted Stock Unit | Common Stock | · | · | 1,080 | Disposed |
| May 5, 2018 | ATO | Restricted Stock Unit | Common Stock | · | · | 1,080 | Disposed |
| May 1, 2018 | ATO | Restricted Stock Unit | Common Stock | · | · | 3,000 | Acquired |
| Nov. 7, 2017 | ATO | Restricted Stock Unit | Common Stock | · | · | 1,503 | Acquired |
| Nov. 3, 2017 | ATO | Restricted Stock Unit | Common Stock | · | · | 664 | Disposed |
| May 6, 2017 | ATO | Restricted Stock Unit | Common Stock | · | · | 760 | Disposed |
| May 2, 2017 | ATO | Restricted Stock Unit | Common Stock | · | · | 2,525 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $464,694 | · | · | · | $278,816 | $76,305 | $203,192 | $1,688,448 |
| 2020 | $446,512 | · | · | · | $267,907 | $256,764 | $210,335 | $1,714,115 |
| 2018 | $373,154 | · | · | · | $298,516 | $173,678 | $12,577 | $1,400,153 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.