Christopher D. Wampler
Insider
First SEC filing: Aug. 23, 2016 · Latest: Aug. 23, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 23, 2023 | DCO | F | 5,736 | $55.12 | $316,168 | 27,708 Direct | -17.15% | Disposed | 218.2% (price as of 2026-10-02) |
| Feb. 23, 2023 | DCO | A | 11,568 | · | · | 33,444 Direct | +52.88% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2023 | DCO | F | 396 | $53.60 | $21,226 | 21,876 Direct | -1.78% | Disposed | 227.2% (price as of 2026-10-02) |
| Dec. 14, 2022 | DCO | S | 900 | $49.77 | $44,793 | 21,870 Direct | -3.95% | Disposed | 252.4% (price as of 2026-10-02) |
| Dec. 13, 2022 | DCO | M | 4,000 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2022 | DCO | F | 3,129 | $50.47 | $157,921 | 22,770 Direct | -12.08% | Disposed | 247.5% (price as of 2026-10-02) |
| Dec. 13, 2022 | DCO | M | 4,000 | $28.67 | $114,680 | 25,899 Direct | +18.27% | Acquired | 511.8% (price as of 2026-10-02) |
| Sept. 13, 2022 | DCO | S | 1,500 | $44.18 | $66,270 | 21,899 Direct | -6.41% | Disposed | 297.0% (price as of 2026-10-02) |
| June 22, 2022 | DCO | A | 4,673 | · | · | 23,305 Direct | +25.08% | Acquired | (price as of 2026-10-02) |
| June 17, 2022 | DCO | F | 480 | $43.51 | $20,885 | 18,632 Direct | -2.51% | Disposed | 303.1% (price as of 2026-10-02) |
| May 12, 2022 | DCO | S | 4,000 | $45.85 | $183,400 | 19,112 Direct | -17.31% | Disposed | 282.5% (price as of 2026-10-02) |
| May 6, 2022 | DCO | F | 517 | $50.15 | $25,928 | 23,112 Direct | -2.19% | Disposed | 249.7% (price as of 2026-10-02) |
| March 1, 2022 | DCO | A | 8,000 | · | · | 27,648 Direct | +40.72% | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | DCO | F | 4,019 | $49.67 | $199,624 | 23,629 Direct | -14.54% | Disposed | 253.1% (price as of 2026-10-02) |
| Feb. 17, 2022 | DCO | F | 438 | $45.98 | $20,139 | 19,648 Direct | -2.18% | Disposed | 281.4% (price as of 2026-10-02) |
| Nov. 12, 2021 | DCO | S | 1,500 | $50.97 | $76,455 | 19,699 Direct | -7.08% | Disposed | 244.1% (price as of 2026-10-02) |
| June 17, 2021 | DCO | F | 510 | $55.03 | $28,065 | 20,992 Direct | -2.37% | Disposed | 218.7% (price as of 2026-10-02) |
| May 14, 2021 | DCO | F | 544 | $56.28 | $30,616 | 21,502 Direct | -2.47% | Disposed | 211.6% (price as of 2026-10-02) |
| May 13, 2021 | DCO | S | 2,400 | $54.77 | $131,448 | 22,046 Direct | -9.82% | Disposed | 220.2% (price as of 2026-10-02) |
| May 7, 2021 | DCO | F | 548 | $58.00 | $31,784 | 24,446 Direct | -2.19% | Disposed | 202.4% (price as of 2026-10-02) |
| Feb. 17, 2021 | DCO | A | 3,020 | · | · | 24,994 Direct | +13.74% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2021 | DCO | F | 5,578 | $55.51 | $309,635 | 21,974 Direct | -20.25% | Disposed | 216.0% (price as of 2026-10-02) |
| Feb. 17, 2021 | DCO | A | 11,250 | · | · | 27,552 Direct | +69.01% | Acquired | (price as of 2026-10-02) |
| Nov. 9, 2020 | DCO | S | 4,000 | $39.94 | $159,760 | 15,658 Direct | -20.35% | Disposed | 339.1% (price as of 2026-10-02) |
| June 17, 2020 | DCO | F | 479 | $35.59 | $17,048 | 19,658 Direct | -2.38% | Disposed | 392.8% (price as of 2026-10-02) |
| June 9, 2020 | DCO | M | 2,250 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2020 | DCO | F | 1,560 | $42.22 | $65,863 | 20,137 Direct | -7.19% | Disposed | 315.4% (price as of 2026-10-02) |
| June 9, 2020 | DCO | M | 2,250 | $15.92 | $35,820 | 21,697 Direct | +11.57% | Acquired | 1001.7% (price as of 2026-10-02) |
| May 14, 2020 | DCO | F | 443 | $24.98 | $11,066 | 19,447 Direct | -2.23% | Disposed | 602.1% (price as of 2026-10-02) |
| May 7, 2020 | DCO | A | 3,900 | · | · | 19,890 Direct | +24.39% | Acquired | (price as of 2026-10-02) |
| March 20, 2020 | DCO | P | 1,000 | $21.27 | $21,270 | 15,990 Direct | +6.67% | Acquired | 724.6% (price as of 2026-10-02) |
| March 18, 2020 | DCO | F | 404 | $16.61 | $6,710 | 14,990 Direct | -2.62% | Disposed | 955.9% (price as of 2026-10-02) |
| Feb. 21, 2020 | DCO | F | 2,699 | $56.95 | $153,708 | 15,394 Direct | -14.92% | Disposed | 208.0% (price as of 2026-10-02) |
| Feb. 21, 2020 | DCO | A | 7,804 | · | · | 18,093 Direct | +75.85% | Acquired | (price as of 2026-10-02) |
| June 17, 2019 | DCO | A | 3,900 | · | · | 3,900 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2019 | DCO | A | 2,900 | · | · | 9,579 Direct | +43.42% | Acquired | (price as of 2026-10-02) |
| May 30, 2019 | DCO | S | 3,000 | $45.98 | $137,940 | 6,679 Direct | -30.99% | Disposed | 281.4% (price as of 2026-10-02) |
| May 29, 2019 | DCO | M | 1,500 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | DCO | M | 750 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | DCO | F | 846 | $47.92 | $40,540 | 9,679 Direct | -8.04% | Disposed | 266.0% (price as of 2026-10-02) |
| May 29, 2019 | DCO | M | 1,500 | $15.92 | $23,880 | 10,525 Direct | +16.62% | Acquired | 1001.7% (price as of 2026-10-02) |
| May 29, 2019 | DCO | F | 494 | $47.92 | $23,672 | 9,025 Direct | -5.19% | Disposed | 266.0% (price as of 2026-10-02) |
| May 29, 2019 | DCO | M | 750 | $22.84 | $17,130 | 9,519 Direct | +8.55% | Acquired | 667.9% (price as of 2026-10-02) |
| May 14, 2019 | DCO | F | 358 | $48.88 | $17,499 | 8,769 Direct | -3.92% | Disposed | 258.8% (price as of 2026-10-02) |
| March 18, 2019 | DCO | F | 808 | $44.22 | $35,730 | 8,319 Direct | -8.85% | Disposed | 296.6% (price as of 2026-10-02) |
| March 13, 2019 | DCO | F | 1,331 | $44.64 | $59,416 | 9,127 Direct | -12.73% | Disposed | 292.9% (price as of 2026-10-02) |
| March 13, 2019 | DCO | A | 3,848 | · | · | 10,458 Direct | +58.21% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2018 | DCO | S | 530 | $38.54 | $20,426 | 6,610 Direct | -7.42% | Disposed | 355.1% (price as of 2026-10-02) |
| June 8, 2018 | DCO | S | 1,550 | $34.80 | $53,940 | 7,140 Direct | -17.84% | Disposed | 404.0% (price as of 2026-10-02) |
| May 14, 2018 | DCO | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 14, 2018 | DCO | A | 3,100 | · | · | 8,690 Direct | +55.46% | Acquired | (price as of 2026-10-02) |
| March 18, 2018 | DCO | F | 1,081 | $29.63 | $32,030 | 5,590 Direct | -16.20% | Disposed | 491.9% (price as of 2026-10-02) |
| Nov. 21, 2017 | DCO | S | 750 | $27.72 | $20,790 | 6,671 Direct | -10.11% | Disposed | 532.7% (price as of 2026-10-02) |
| June 1, 2017 | DCO | S | 1,500 | $32.01 | $48,015 | 7,421 Direct | -16.81% | Disposed | 447.9% (price as of 2026-10-02) |
| May 30, 2017 | DCO | M | 1,500 | · | · | 750 Direct | -66.67% | Disposed | (price as of 2026-10-02) |
| May 30, 2017 | DCO | M | 1,250 | · | · | 3,750 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2017 | DCO | F | 1,234 | $31.98 | $39,463 | 8,921 Direct | -12.15% | Disposed | 448.4% (price as of 2026-10-02) |
| May 30, 2017 | DCO | M | 1,500 | $22.84 | $34,260 | 10,155 Direct | +17.33% | Acquired | 667.9% (price as of 2026-10-02) |
| May 30, 2017 | DCO | F | 859 | $31.98 | $27,471 | 8,655 Direct | -9.03% | Disposed | 448.4% (price as of 2026-10-02) |
| May 30, 2017 | DCO | M | 1,250 | $15.92 | $19,900 | 9,514 Direct | +15.13% | Acquired | 1001.7% (price as of 2026-10-02) |
| March 20, 2017 | DCO | A | 4,000 | · | · | 4,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 20, 2017 | DCO | A | 3,500 | · | · | 8,264 Direct | +73.47% | Acquired | (price as of 2026-10-02) |
| March 18, 2017 | DCO | F | 1,100 | $28.89 | $31,779 | 4,764 Direct | -18.76% | Disposed | 507.1% (price as of 2026-10-02) |
| Aug. 19, 2016 | DCO | S | 1,100 | $22.43 | $24,673 | 5,864 Direct | -15.80% | Disposed | 681.9% (price as of 2026-10-02) |
| March 30, 2016 | DCO | A | 3,500 | · | · | 6,964 Direct | +101.04% | Acquired | (price as of 2026-10-02) |
| March 23, 2016 | DCO | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 18, 2016 | DCO | F | 615 | $16.98 | $10,443 | 3,464 Direct | -15.08% | Disposed | 932.9% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 13, 2022 | DCO | Option - Right to Buy [F2] | Common Stock | $28.67 | March 20, 2024 | 4,000 | Acquired |
| June 9, 2020 | DCO | Option - Right to Buy [F1] | Common Stock | $15.92 | March 22, 2023 | 2,250 | Acquired |
| June 17, 2019 | DCO | Common Stock [F1] | Common Stock | $42.25 | June 17, 2029 | 3,900 | Acquired |
| May 29, 2019 | DCO | Option - Right to Buy [F1] | Common Stock | $15.92 | March 22, 2023 | 1,500 | Acquired |
| May 29, 2019 | DCO | Option - Right to Buy [F1] | Common Stock | $22.84 | July 30, 2020 | 750 | Acquired |
| May 14, 2018 | DCO | Common Stock [F1] | Common Stock | $32.90 | May 14, 2028 | 5,000 | Acquired |
| May 30, 2017 | DCO | Option - Right to Buy | Common Stock | $22.84 | July 31, 2020 | 1,500 | Disposed |
| May 30, 2017 | DCO | Option - Right to Buy | Common Stock | $15.92 | March 23, 2023 | 1,250 | Disposed |
| March 20, 2017 | DCO | Common Stock [F1] | Common Stock | $28.67 | March 19, 2024 | 4,000 | Acquired |
| March 23, 2016 | DCO | Common Stock [F1] | Common Stock | $15.92 | March 22, 2023 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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 |
|---|---|---|---|---|---|---|---|---|
| 2022 | $402,646 | $0 | $575,196 | $0 | $388,553 | · | $31,763 | $1,398,157 |
| 2021 | $353,459 | · | $516,464 | · | $195,000 | · | $30,259 | $1,094,585 |
| 2020 | $282,555 | $75,000 | · | · | $255,000 | · | $27,284 | $940,791 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.