John Patrick Williamson
Insider
First SEC filing: June 9, 2016 · Latest: June 9, 2016
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 28, 2018 | ATKR | M | 22,678 | $7.30 | $165,549 | 251,063 Direct | +9.93% | Acquired | 1196.2% (price as of 2026-10-02) |
| Sept. 28, 2018 | ATKR | S 10b5-1 | 22,678 | $27.00 | $612,306 | 228,385 Direct | -9.03% | Disposed | 250.4% (price as of 2026-10-02) |
| Sept. 28, 2018 | ATKR | M | 22,678 | · | · | 134,422 Direct | -14.44% | Disposed | (price as of 2026-10-02) |
| Sept. 7, 2018 | ATKR | M | 100,000 | $7.30 | $730,000 | 328,385 Direct | +43.79% | Acquired | 1196.2% (price as of 2026-10-02) |
| Sept. 7, 2018 | ATKR | S 10b5-1 | 100,000 | $25.64 | $2,564,000 | 228,385 Direct | -30.45% | Disposed | 269.0% (price as of 2026-10-02) |
| Sept. 7, 2018 | ATKR | M | 100,000 | · | · | 157,100 Direct | -38.90% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2018 | ATKR | M | 50,000 | $7.30 | $365,000 | 278,385 Direct | +21.89% | Acquired | 1196.2% (price as of 2026-10-02) |
| Aug. 7, 2018 | ATKR | M | 50,000 | $7.30 | $365,000 | 328,385 Direct | +17.96% | Acquired | 1196.2% (price as of 2026-10-02) |
| Aug. 7, 2018 | ATKR | S 10b5-1 | 100,000 | $24.44 | $2,444,000 | 228,385 Direct | -30.45% | Disposed | 287.2% (price as of 2026-10-02) |
| Aug. 7, 2018 | ATKR | M | 50,000 | · | · | 257,100 Direct | -16.28% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2018 | ATKR | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 24, 2018 | ATKR | M | 837 | $7.30 | $6,110 | 229,222 Direct | +0.37% | Acquired | 1196.2% (price as of 2026-10-02) |
| July 24, 2018 | ATKR | S 10b5-1 | 837 | $23.06 | $19,301 | 228,385 Direct | -0.37% | Disposed | 310.3% (price as of 2026-10-02) |
| July 24, 2018 | ATKR | M | 837 | · | · | 307,100 Direct | -0.27% | Disposed | (price as of 2026-10-02) |
| July 23, 2018 | ATKR | M | 99,163 | $7.30 | $723,890 | 327,548 Direct | +43.42% | Acquired | 1196.2% (price as of 2026-10-02) |
| July 23, 2018 | ATKR | S 10b5-1 | 99,163 | $23.00 | $2,280,749 | 228,385 Direct | -30.27% | Disposed | 311.4% (price as of 2026-10-02) |
| July 23, 2018 | ATKR | M | 99,163 | · | · | 307,937 Direct | -24.36% | Disposed | (price as of 2026-10-02) |
| June 12, 2018 | ATKR | M | 31,114 | $7.30 | $227,132 | 259,499 Direct | +13.62% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 12, 2018 | ATKR | S 10b5-1 | 31,114 | $22.52 | $700,687 | 228,385 Direct | -11.99% | Disposed | 320.2% (price as of 2026-10-02) |
| June 12, 2018 | ATKR | M | 31,114 | · | · | 50,000 Direct | -38.36% | Disposed | (price as of 2026-10-02) |
| June 11, 2018 | ATKR | M | 68,000 | $7.30 | $496,400 | 296,385 Direct | +29.77% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 11, 2018 | ATKR | M | 886 | $7.30 | $6,468 | 297,271 Direct | +0.30% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 11, 2018 | ATKR | S 10b5-1 | 68,886 | $22.59 | $1,556,135 | 228,385 Direct | -23.17% | Disposed | 318.9% (price as of 2026-10-02) |
| June 11, 2018 | ATKR | M | 68,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 11, 2018 | ATKR | M | 886 | · | · | 81,114 Direct | -1.08% | Disposed | (price as of 2026-10-02) |
| June 8, 2018 | ATKR | M | 72,400 | $7.30 | $528,520 | 300,785 Direct | +31.70% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 8, 2018 | ATKR | M | 27,600 | $7.30 | $201,480 | 328,385 Direct | +9.18% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 8, 2018 | ATKR | S 10b5-1 | 100,000 | $22.29 | $2,229,000 | 228,385 Direct | -30.45% | Disposed | 324.5% (price as of 2026-10-02) |
| June 8, 2018 | ATKR | M | 72,400 | · | · | 407,100 Direct | -15.10% | Disposed | (price as of 2026-10-02) |
| June 8, 2018 | ATKR | M | 27,600 | · | · | 82,000 Direct | -25.18% | Disposed | (price as of 2026-10-02) |
| May 17, 2018 | ATKR | M | 5,151 | $7.30 | $37,602 | 233,536 Direct | +2.26% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 17, 2018 | ATKR | S 10b5-1 | 5,151 | $21.00 | $108,171 | 228,385 Direct | -2.21% | Disposed | 350.6% (price as of 2026-10-02) |
| May 17, 2018 | ATKR | M | 5,151 | · | · | 68,000 Direct | -7.04% | Disposed | (price as of 2026-10-02) |
| May 15, 2018 | ATKR | M | 41,919 | $7.30 | $306,009 | 264,273 Direct | +18.85% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 15, 2018 | ATKR | S 10b5-1 | 35,888 | $21.01 | $754,007 | 228,385 Direct | -13.58% | Disposed | 350.4% (price as of 2026-10-02) |
| May 15, 2018 | ATKR | M | 41,919 | · | · | 73,151 Direct | -36.43% | Disposed | (price as of 2026-10-02) |
| May 14, 2018 | ATKR | M | 104,235 | $7.30 | $760,916 | 306,052 Direct | +51.65% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 14, 2018 | ATKR | S 10b5-1 | 83,698 | $21.01 | $1,758,495 | 222,354 Direct | -27.35% | Disposed | 350.4% (price as of 2026-10-02) |
| May 14, 2018 | ATKR | M | 104,235 | · | · | 115,070 Direct | -47.53% | Disposed | (price as of 2026-10-02) |
| May 11, 2018 | ATKR | M | 43,995 | $7.30 | $321,164 | 237,107 Direct | +22.78% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 11, 2018 | ATKR | S 10b5-1 | 35,290 | $21.00 | $741,090 | 201,817 Direct | -14.88% | Disposed | 350.6% (price as of 2026-10-02) |
| May 11, 2018 | ATKR | M | 43,995 | · | · | 219,305 Direct | -16.71% | Disposed | (price as of 2026-10-02) |
| March 12, 2018 | ATKR | M | 4,700 | $7.30 | $34,310 | 196,872 Direct | +2.45% | Acquired | 1196.2% (price as of 2026-10-02) |
| March 12, 2018 | ATKR | S 10b5-1 | 3,760 | $21.00 | $78,960 | 193,112 Direct | -1.91% | Disposed | 350.6% (price as of 2026-10-02) |
| March 12, 2018 | ATKR | M | 4,700 | · | · | 263,300 Direct | -1.75% | Disposed | (price as of 2026-10-02) |
| Dec. 15, 2017 | ATKR | M | 70,000 | $7.30 | $511,000 | 262,172 Direct | +36.43% | Acquired | 1196.2% (price as of 2026-10-02) |
| Dec. 15, 2017 | ATKR | S 10b5-1 | 70,000 | $20.79 | $1,455,300 | 192,172 Direct | -26.70% | Disposed | 355.1% (price as of 2026-10-02) |
| Dec. 15, 2017 | ATKR | M | 70,000 | · | · | 408,000 Direct | -14.64% | Disposed | (price as of 2026-10-02) |
| Nov. 30, 2017 | ATKR | F | 3,993 | $21.28 | $84,971 | 192,172 Direct | -2.04% | Disposed | 344.6% (price as of 2026-10-02) |
| Nov. 28, 2017 | ATKR | M | 5,352 | $7.30 | $39,070 | 170,907 Direct | +3.23% | Acquired | 1196.2% (price as of 2026-10-02) |
| Nov. 28, 2017 | ATKR | S 10b5-1 | 5,352 | $20.00 | $107,040 | 165,555 Direct | -3.13% | Disposed | 373.1% (price as of 2026-10-02) |
| Nov. 28, 2017 | ATKR | A | 30,610 | · | · | 196,165 Direct | +18.49% | Acquired | (price as of 2026-10-02) |
| Nov. 28, 2017 | ATKR | M | 5,352 | · | · | 478,000 Direct | -1.11% | Disposed | (price as of 2026-10-02) |
| Nov. 28, 2017 | ATKR | A | 73,529 | · | · | 73,529 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 22, 2017 | ATKR | M | 8,641 | $7.30 | $63,079 | 174,196 Direct | +5.22% | Acquired | 1196.2% (price as of 2026-10-02) |
| Nov. 22, 2017 | ATKR | S 10b5-1 | 8,641 | $20.01 | $172,906 | 165,555 Direct | -4.96% | Disposed | 372.9% (price as of 2026-10-02) |
| Nov. 22, 2017 | ATKR | M | 8,641 | · | · | 483,352 Direct | -1.76% | Disposed | (price as of 2026-10-02) |
| Oct. 24, 2017 | ATKR | M | 42,471 | $7.30 | $310,038 | 208,026 Direct | +25.65% | Acquired | 1196.2% (price as of 2026-10-02) |
| Oct. 24, 2017 | ATKR | S 10b5-1 | 42,471 | $20.00 | $849,420 | 165,555 Direct | -20.42% | Disposed | 373.1% (price as of 2026-10-02) |
| Oct. 24, 2017 | ATKR | M | 42,471 | · | · | 491,993 Direct | -7.95% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2017 | ATKR | M | 13,536 | $7.30 | $98,813 | 179,091 Direct | +8.18% | Acquired | 1196.2% (price as of 2026-10-02) |
| Oct. 20, 2017 | ATKR | S 10b5-1 | 13,536 | $20.00 | $270,720 | 165,555 Direct | -7.56% | Disposed | 373.1% (price as of 2026-10-02) |
| Oct. 20, 2017 | ATKR | M | 13,536 | · | · | 534,464 Direct | -2.47% | Disposed | (price as of 2026-10-02) |
| June 16, 2017 | ATKR | M | 33,930 | $7.30 | $247,689 | 199,485 Direct | +20.49% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 16, 2017 | ATKR | S 10b5-1 | 33,930 | $21.73 | $737,299 | 165,555 Direct | -17.01% | Disposed | 335.4% (price as of 2026-10-02) |
| June 16, 2017 | ATKR | M | 33,930 | · | · | 408,000 Direct | -7.68% | Disposed | (price as of 2026-10-02) |
| June 15, 2017 | ATKR | M | 36,070 | $7.30 | $263,311 | 201,625 Direct | +21.79% | Acquired | 1196.2% (price as of 2026-10-02) |
| June 15, 2017 | ATKR | S 10b5-1 | 36,070 | $21.83 | $787,408 | 165,555 Direct | -17.89% | Disposed | 333.4% (price as of 2026-10-02) |
| June 15, 2017 | ATKR | M | 36,070 | · | · | 441,930 Direct | -7.55% | Disposed | (price as of 2026-10-02) |
| May 2, 2017 | ATKR | M | 7,389 | $7.30 | $53,940 | 172,944 Direct | +4.46% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 2, 2017 | ATKR | S 10b5-1 | 7,389 | $25.90 | $191,375 | 165,555 Direct | -4.27% | Disposed | 265.3% (price as of 2026-10-02) |
| May 2, 2017 | ATKR | M | 7,389 | · | · | 478,000 Direct | -1.52% | Disposed | (price as of 2026-10-02) |
| May 1, 2017 | ATKR | M | 15,033 | $7.30 | $109,741 | 180,588 Direct | +9.08% | Acquired | 1196.2% (price as of 2026-10-02) |
| May 1, 2017 | ATKR | S 10b5-1 | 15,033 | $26.16 | $393,263 | 165,555 Direct | -8.32% | Disposed | 261.7% (price as of 2026-10-02) |
| May 1, 2017 | ATKR | M | 15,033 | · | · | 485,389 Direct | -3.00% | Disposed | (price as of 2026-10-02) |
| April 28, 2017 | ATKR | M | 33,478 | · | · | 500,422 Direct | -6.27% | Disposed | (price as of 2026-10-02) |
| April 28, 2017 | ATKR | S 10b5-1 | 33,478 | $26.27 | $879,467 | 165,555 Direct | -16.82% | Disposed | 260.2% (price as of 2026-10-02) |
| April 28, 2017 | ATKR | M | 33,478 | $7.30 | $244,389 | 199,033 Direct | +20.22% | Acquired | 1196.2% (price as of 2026-10-02) |
| April 27, 2017 | ATKR | M | 14,100 | · | · | 533,900 Direct | -2.57% | Disposed | (price as of 2026-10-02) |
| April 27, 2017 | ATKR | S 10b5-1 | 14,100 | $26.23 | $369,843 | 165,555 Direct | -7.85% | Disposed | 260.7% (price as of 2026-10-02) |
| April 27, 2017 | ATKR | M | 14,100 | $7.30 | $102,930 | 179,655 Direct | +8.52% | Acquired | 1196.2% (price as of 2026-10-02) |
| Nov. 30, 2016 | ATKR | A | 69,287 | · | · | 69,287 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2016 | ATKR | A | 28,555 | · | · | 165,555 Direct | +20.84% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 28, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 22,678 | Disposed |
| Sept. 7, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 100,000 | Disposed |
| Aug. 7, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 50,000 | Disposed |
| Aug. 7, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Oct. 13, 2021 | 50,000 | Disposed |
| July 24, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 837 | Disposed |
| July 23, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 99,163 | Disposed |
| June 12, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Oct. 13, 2021 | 31,114 | Disposed |
| June 11, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 68,000 | Disposed |
| June 11, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Oct. 13, 2021 | 886 | Disposed |
| June 8, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2022 | 72,400 | Disposed |
| June 8, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | Dec. 7, 2021 | 27,600 | Disposed |
| May 17, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 5,151 | Disposed |
| May 15, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 41,919 | Disposed |
| May 14, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 104,235 | Disposed |
| May 11, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 43,995 | Disposed |
| March 12, 2018 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 4,700 | Disposed |
| Dec. 15, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 70,000 | Disposed |
| Nov. 28, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 5,352 | Disposed |
| Nov. 28, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $20.01 | Nov. 28, 2027 | 73,529 | Acquired |
| Nov. 22, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 8,641 | Disposed |
| Oct. 24, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 42,471 | Disposed |
| Oct. 20, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 13,536 | Disposed |
| June 16, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 33,930 | Disposed |
| June 15, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 36,070 | Disposed |
| May 2, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 7,389 | Disposed |
| May 1, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 15,033 | Disposed |
| April 28, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 33,478 | Disposed |
| April 27, 2017 | ATKR | Stock Options (right to buy) | Common Stock | $7.30 | June 10, 2021 | 14,100 | Disposed |
| Nov. 30, 2016 | ATKR | Stock Options (right to buy) | Common Stock | $21.45 | Nov. 30, 2026 | 69,287 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 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 |
|---|---|---|---|---|---|---|---|---|
| 2018 | $847,500 | · | · | · | $1,437,132 | · | $45,608 | $7,194,625 |
| 2017 | $777,700 | · | · | · | $573,101 | · | $19,303 | $3,820,103 |
| 2016 | $736,723 | · | · | · | $1,834,194 | · | $10,895 | $2,581,812 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.