Harry K. Sideris
Insider
First SEC filing: Oct. 2, 2019 · Latest: Oct. 2, 2019
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-2,487,400
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 8, 2026 | DUKU | S | 20,000 | $124.37 | $2,487,400 | 96,102 Direct | -17.23% | Disposed | -60.8% (price as of 2026-10-06) |
| April 1, 2026 | DUKU | F | 2,016 | $130.90 | $263,894 | 116,102 Direct | -1.71% | Disposed | -62.7% (price as of 2026-10-06) |
| Feb. 26, 2026 | DUKU | A | 30,540 | · | · | 121,760 Direct | +33.48% | Acquired | (price as of 2026-10-06) |
| Feb. 26, 2026 | DUKU | F | 3,642 | $129.23 | $470,656 | 118,118 Direct | -2.99% | Disposed | -62.3% (price as of 2026-10-06) |
| Feb. 22, 2026 | DUKU | F | 924 | $126.78 | $117,145 | 91,220 Direct | -1.00% | Disposed | -61.5% (price as of 2026-10-06) |
| Feb. 5, 2026 | DUKU | A | 20,347 | · | · | 99,768 Direct | +25.62% | Acquired | (price as of 2026-10-06) |
| Feb. 5, 2026 | DUKU | F | 7,624 | $123.41 | $940,878 | 92,144 Direct | -7.64% | Disposed | -60.5% (price as of 2026-10-06) |
| April 1, 2025 | DUKU | F | 2,028 | $121.07 | $245,530 | 79,421 Direct | -2.49% | Disposed | -59.7% (price as of 2026-10-06) |
| Feb. 26, 2025 | DUKU | A | 25,148 | $116.31 | $2,924,964 | 81,449 Direct | +44.67% | Acquired | -58.1% (price as of 2026-10-06) |
| Feb. 23, 2025 | DUKU | F | 777 | $115.55 | $89,782 | 56,301 Direct | -1.36% | Disposed | -57.8% (price as of 2026-10-06) |
| Feb. 22, 2025 | DUKU | F | 930 | $115.55 | $107,462 | 57,078 Direct | -1.60% | Disposed | -57.8% (price as of 2026-10-06) |
| Feb. 7, 2025 | DUKU | A | 15,450 | · | · | 63,455 Direct | +32.18% | Acquired | (price as of 2026-10-06) |
| Feb. 7, 2025 | DUKU | F | 5,447 | $114.99 | $626,351 | 58,008 Direct | -8.58% | Disposed | -57.6% (price as of 2026-10-06) |
| March 11, 2024 | DUKU | A | 13,921 | · | · | 48,005 Direct | +40.84% | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2024 | DUKU | F | 642 | $92.73 | $59,533 | 34,084 Direct | -1.85% | Disposed | -47.4% (price as of 2026-10-06) |
| Feb. 23, 2024 | DUKU | F | 781 | $92.73 | $72,422 | 34,726 Direct | -2.20% | Disposed | -47.4% (price as of 2026-10-06) |
| Feb. 22, 2024 | DUKU | F | 935 | $92.13 | $86,142 | 35,507 Direct | -2.57% | Disposed | -47.1% (price as of 2026-10-06) |
| Feb. 5, 2024 | DUKU | A | 13,307 | · | · | 40,732 Direct | +48.52% | Acquired | (price as of 2026-10-06) |
| Feb. 5, 2024 | DUKU | F | 4,290 | $95.25 | $408,622 | 36,442 Direct | -10.53% | Disposed | -48.8% (price as of 2026-10-06) |
| Feb. 24, 2023 | DUKU | F | 646 | $96.92 | $62,610 | 27,425 Direct | -2.30% | Disposed | -49.7% (price as of 2026-10-06) |
| Feb. 23, 2023 | DUKU | F | 785 | $96.84 | $76,019 | 28,071 Direct | -2.72% | Disposed | -49.6% (price as of 2026-10-06) |
| Feb. 22, 2023 | DUKU | A | 6,378 | $97.47 | $621,664 | 28,856 Direct | +28.37% | Acquired | -50.0% (price as of 2026-10-06) |
| Feb. 19, 2023 | DUKU | F | 340 | $99.49 | $33,827 | 22,478 Direct | -1.49% | Disposed | -51.0% (price as of 2026-10-06) |
| Feb. 6, 2023 | DUKU | A | 9,193 | · | · | 25,515 Direct | +56.32% | Acquired | (price as of 2026-10-06) |
| Feb. 6, 2023 | DUKU | F | 2,697 | $101.81 | $274,582 | 22,818 Direct | -10.57% | Disposed | -52.1% (price as of 2026-10-06) |
| Feb. 27, 2022 | DUKU | F | 184 | $100.22 | $18,440 | 16,322 Direct | -1.11% | Disposed | -51.3% (price as of 2026-10-06) |
| Feb. 24, 2022 | DUKU | F | 570 | $97.04 | $55,313 | 16,506 Direct | -3.34% | Disposed | -49.7% (price as of 2026-10-06) |
| Feb. 23, 2022 | DUKU | A | 5,329 | $97.67 | $520,483 | 17,076 Direct | +45.36% | Acquired | -50.1% (price as of 2026-10-06) |
| Feb. 19, 2022 | DUKU | F | 291 | $99.81 | $29,045 | 11,747 Direct | -2.42% | Disposed | -51.1% (price as of 2026-10-06) |
| Feb. 8, 2022 | DUKU | M | 3,499 | $104.41 | $365,331 | 13,069 Direct | +36.56% | Acquired | -53.3% (price as of 2026-10-06) |
| Feb. 8, 2022 | DUKU | F | 1,031 | $104.41 | $107,647 | 12,038 Direct | -7.89% | Disposed | -53.3% (price as of 2026-10-06) |
| Feb. 8, 2022 | DUKU | M | 3,499 | · | · | 3,499 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 28, 2021 | DUKU | F | 97 | $85.59 | $8,302 | 9,570 Direct | -1.00% | Disposed | -43.0% (price as of 2026-10-06) |
| Feb. 27, 2021 | DUKU | F | 123 | $85.59 | $10,528 | 9,667 Direct | -1.26% | Disposed | -43.0% (price as of 2026-10-06) |
| Feb. 24, 2021 | DUKU | A | 4,379 | $87.34 | $382,462 | 9,790 Direct | +80.93% | Acquired | -44.1% (price as of 2026-10-06) |
| Feb. 23, 2021 | DUKU | S | 1,500 | $89.46 | $134,190 | 5,411 Direct | -21.70% | Disposed | -45.5% (price as of 2026-10-06) |
| Feb. 19, 2021 | DUKU | F | 293 | $88.43 | $25,910 | 6,911 Direct | -4.07% | Disposed | -44.8% (price as of 2026-10-06) |
| Feb. 9, 2021 | DUKU | M | 2,605 | $93.32 | $243,099 | 8,001 Direct | +48.28% | Acquired | -47.7% (price as of 2026-10-06) |
| Feb. 9, 2021 | DUKU | F | 797 | $93.32 | $74,376 | 7,204 Direct | -9.96% | Disposed | -47.7% (price as of 2026-10-06) |
| Feb. 9, 2021 | DUKU | M | 2,605 | · | · | 2,605 Direct | · | Acquired | (price as of 2026-10-06) |
| May 14, 2020 | DUKU | S | 1,285 | $80.42 | $103,340 | 5,396 Direct | -19.23% | Disposed | -39.3% (price as of 2026-10-06) |
| Feb. 28, 2020 | DUKU | F | 97 | $91.70 | $8,895 | 6,681 Direct | -1.43% | Disposed | -46.8% (price as of 2026-10-06) |
| Feb. 27, 2020 | DUKU | F | 123 | $94.99 | $11,684 | 6,778 Direct | -1.78% | Disposed | -48.6% (price as of 2026-10-06) |
| Feb. 22, 2020 | DUKU | F | 88 | $102.43 | $9,014 | 6,901 Direct | -1.26% | Disposed | -52.4% (price as of 2026-10-06) |
| Feb. 19, 2020 | DUKU | A | 2,958 | $101.42 | $300,000 | 6,989 Direct | +73.38% | Acquired | -51.9% (price as of 2026-10-06) |
| Feb. 10, 2020 | DUKU | M | 2,663 | $96.23 | $256,260 | 4,850 Direct | +121.76% | Acquired | -49.3% (price as of 2026-10-06) |
| Feb. 10, 2020 | DUKU | F | 819 | $96.23 | $78,812 | 4,031 Direct | -16.89% | Disposed | -49.3% (price as of 2026-10-06) |
| Feb. 10, 2020 | DUKU | M | 2,663 | · | · | 0 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| Feb. 8, 2022 | DUKU | Performance Shares | Common Stock | $104.41 | · | 3,499 | Acquired |
| Feb. 9, 2021 | DUKU | Performance Shares | Common Stock | $93.32 | · | 2,605 | Acquired |
| Feb. 10, 2020 | DUKU | Performance Shares | Common Stock | $96.23 | · | 2,663 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $834,405 | · | $4,444,307 | · | $742,148 | $51,155 | $219,224 | $6,291,239 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.