Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 100 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 28, 2026 DDT A 12 $673.69 $8,084 546,932 Direct 0.00% Acquired
Aug. 24, 2026 DDT A 10 $638.19 $6,382 546,920 Direct 0.00% Acquired
July 27, 2026 DDT A 11 $576.57 $6,342 546,910 Direct 0.00% Acquired
June 29, 2026 DDT A 16 $545.93 $8,735 546,899 Direct 0.00% Acquired
June 4, 2026 DDS A 913,975 · · 913,975 Direct · Acquired
June 4, 2026 DDS D 3,985,776 · · 0 Indirect -100.00% Disposed
June 4, 2026 DDS A 9,515 · · 546,823 Direct +1.77% Acquired
June 4, 2026 DDS D 41,496 · · 0 Indirect -100.00% Disposed
May 26, 2026 DDS A 11 $570.32 $6,274 537,308 Direct 0.00% Acquired
April 27, 2026 DDS A 160 $594.31 $95,090 537,297 Direct +0.03% Acquired
Jan. 30, 2026 DDS A 126 $607.55 $76,551 537,137 Direct +0.02% Acquired
Dec. 29, 2025 DDS A 13 $632.11 $8,217 537,011 Direct 0.00% Acquired
Nov. 24, 2025 DDS A 10 $614.41 $6,144 536,998 Direct 0.00% Acquired
Oct. 27, 2025 DDS A 23 $623.52 $14,341 536,988 Direct 0.00% Acquired
Aug. 25, 2025 DDS A 12 $533.45 $6,401 536,965 Direct 0.00% Acquired
July 28, 2025 DDS A 12 $513.00 $6,156 536,953 Direct 0.00% Acquired
June 30, 2025 DDS A 19 $413.32 $7,853 536,941 Direct 0.00% Acquired
May 27, 2025 DDS A 15 $416.79 $6,252 536,834 Direct 0.00% Acquired
April 28, 2025 DDS A 304 $334.52 $101,694 536,819 Direct +0.06% Acquired
Feb. 10, 2025 DDS A 2 $469.18 $938 536,515 Direct 0.00% Acquired
Jan. 31, 2025 DDS A 188 $469.18 $88,206 536,513 Direct +0.04% Acquired
Dec. 30, 2024 DDS A 18 $445.40 $8,017 536,325 Direct 0.00% Acquired
Nov. 25, 2024 DDS A 14 $467.94 $6,551 536,307 Direct 0.00% Acquired
Nov. 5, 2024 DDS A 97 $379.19 $36,781 536,293 Direct +0.02% Acquired
Oct. 28, 2024 DDS A 17 $385.48 $6,553 536,196 Direct 0.00% Acquired
Sept. 30, 2024 DDS A 20 $393.38 $7,868 536,179 Direct 0.00% Acquired
Aug. 26, 2024 DDS A 18 $354.25 $6,376 536,159 Direct 0.00% Acquired
Aug. 6, 2024 DDS A 100 $367.57 $36,757 536,141 Direct +0.02% Acquired
July 29, 2024 DDS A 16 $389.57 $6,233 536,041 Direct 0.00% Acquired
June 28, 2024 DDS A 18 $442.68 $7,968 536,025 Direct 0.00% Acquired
May 28, 2024 DDS A 14 $450.25 $6,304 535,928 Direct 0.00% Acquired
May 7, 2024 DDS A 82 $447.83 $36,722 535,914 Direct +0.02% Acquired
April 30, 2024 DDS A 297 $438.54 $130,246 535,832 Direct +0.06% Acquired
Feb. 6, 2024 DDS A 96 $382.32 $36,703 535,535 Direct +0.02% Acquired
Feb. 2, 2024 DDS A 267 $391.28 $104,472 535,439 Direct +0.05% Acquired
Jan. 2, 2024 DDS A 24 $405.48 $9,732 535,172 Direct 0.00% Acquired
Nov. 20, 2023 DDS A 19 $343.91 $6,534 493,860 Direct 0.00% Acquired
Oct. 31, 2023 DDS A 118 $310.56 $36,646 493,841 Direct +0.02% Acquired
Oct. 23, 2023 DDS A 25 $316.00 $7,900 493,723 Direct +0.01% Acquired
Sept. 18, 2023 DDS A 20 $315.11 $6,302 493,698 Direct 0.00% Acquired
Aug. 21, 2023 DDS A 19 $335.35 $6,372 493,678 Direct 0.00% Acquired
Aug. 1, 2023 DDS A 86 $341.23 $29,346 493,659 Direct +0.02% Acquired
July 24, 2023 DDS A 20 $311.48 $6,230 493,573 Direct 0.00% Acquired
June 26, 2023 DDS A 27 $324.18 $8,753 493,553 Direct +0.01% Acquired
May 22, 2023 DDS A 21 $290.14 $6,093 493,526 Direct 0.00% Acquired
May 2, 2023 DDS A 101 $289.98 $29,288 493,505 Direct +0.02% Acquired
April 24, 2023 DDS A 10 $311.66 $3,117 493,404 Direct 0.00% Acquired
April 11, 2023 DDS A 521 $311.71 $162,401 493,394 Direct +0.11% Acquired
Jan. 27, 2023 DDS A 675 $384.08 $259,254 492,873 Direct +0.14% Acquired
Jan. 3, 2023 DDS A 28 $323.95 $9,071 492,198 Direct +0.01% Acquired
Nov. 21, 2022 DDS A 17 $358.89 $6,101 492,170 Direct 0.00% Acquired
Nov. 1, 2022 DDS A 87 $333.74 $29,035 492,153 Direct +0.02% Acquired
Oct. 24, 2022 DDS A 20 $312.11 $6,242 492,066 Direct 0.00% Acquired
Sept. 26, 2022 DDS A 28 $275.18 $7,705 492,046 Direct +0.01% Acquired
Aug. 22, 2022 DDS A 20 $309.35 $6,187 492,018 Direct 0.00% Acquired
Aug. 2, 2022 DDS A 127 $228.55 $29,026 491,998 Direct +0.03% Acquired
July 25, 2022 DDS A 28 $221.49 $6,202 491,871 Direct +0.01% Acquired
June 27, 2022 DDS A 33 $260.96 $8,612 491,843 Direct +0.01% Acquired
May 23, 2022 DDS A 23 $258.76 $5,951 491,810 Direct 0.00% Acquired
May 3, 2022 DDS A 91 $315.43 $28,704 491,787 Direct +0.02% Acquired
April 25, 2022 DDS A 1,941 $276.74 $537,152 491,696 Direct +0.40% Acquired
Feb. 1, 2022 DDS A 111 $257.19 $28,548 489,755 Direct +0.02% Acquired
Jan. 28, 2022 DDS A 116 $250.71 $29,082 489,644 Direct +0.02% Acquired
Jan. 3, 2022 DDS A 33 $265.95 $8,776 489,528 Direct +0.01% Acquired
Nov. 22, 2021 DDS A 16 $369.25 $5,908 489,495 Direct 0.00% Acquired
Nov. 2, 2021 DDS A 121 $236.29 $28,591 489,479 Direct +0.02% Acquired
Oct. 25, 2021 DDS A 58 $227.74 $13,209 489,358 Direct +0.01% Acquired
Oct. 25, 2021 DDS A 58 $227.74 $13,209 489,300 Direct +0.01% Acquired
Aug. 24, 2021 DDS A 29 $206.36 $5,984 489,300 Direct +0.01% Acquired
Aug. 3, 2021 DDS A 120 $177.93 $21,352 489,271 Direct +0.02% Acquired
July 26, 2021 DDS A 32 $185.53 $5,937 489,151 Direct +0.01% Acquired
June 28, 2021 DDS A 40 $184.23 $7,369 489,119 Direct +0.01% Acquired
May 24, 2021 DDS A 5 $130.28 $651 489,079 Direct 0.00% Acquired
May 4, 2021 DDS A 203 $105.07 $21,329 489,074 Direct +0.04% Acquired
Feb. 2, 2021 DDS A 287 $74.21 $21,298 488,871 Direct +0.06% Acquired
Jan. 29, 2021 DDS A 311 $92.81 $28,864 488,584 Direct +0.06% Acquired
Jan. 4, 2021 DDS A 204 $60.76 $12,395 488,273 Direct +0.04% Acquired
Dec. 23, 2020 DDS G 100,000 · · 488,069 Direct -17.00% Disposed
Nov. 23, 2020 DDS A 168 $49.16 $8,259 588,069 Direct +0.03% Acquired
Nov. 3, 2020 DDS A 462 $45.84 $21,178 587,901 Direct +0.08% Acquired
Oct. 26, 2020 DDS A 168 $48.96 $8,225 587,439 Direct +0.03% Acquired
Sept. 28, 2020 DDS A 322 $31.99 $10,301 587,271 Direct +0.05% Acquired
Aug. 24, 2020 DDS A 313 $26.32 $8,238 586,949 Direct +0.05% Acquired
Aug. 4, 2020 DDS A 831 $25.07 $20,833 586,636 Direct +0.14% Acquired
July 27, 2020 DDS A 341 $24.17 $8,242 585,805 Direct +0.06% Acquired
June 29, 2020 DDS A 364 $26.04 $9,479 585,464 Direct +0.06% Acquired
May 26, 2020 DDS A 58 $29.30 $1,699 585,100 Direct +0.01% Acquired
May 5, 2020 DDS A 719 $28.85 $20,743 585,042 Direct +0.12% Acquired
Feb. 4, 2020 DDS A 340 $60.77 $20,662 584,323 Direct +0.06% Acquired
Jan. 31, 2020 DDS A 692 $63.90 $44,219 583,983 Direct +0.12% Acquired
Dec. 30, 2019 DDS A 100 $73.47 $7,347 583,291 Direct +0.02% Acquired
Nov. 25, 2019 DDS A 79 $74.58 $5,892 583,191 Direct +0.01% Acquired
Nov. 5, 2019 DDS A 284 $72.59 $20,616 583,112 Direct +0.05% Acquired
Oct. 28, 2019 DDS A 79 $74.65 $5,897 582,828 Direct +0.01% Acquired
Sept. 30, 2019 DDS A 116 $63.44 $7,359 582,749 Direct +0.02% Acquired
Aug. 26, 2019 DDS A 106 $55.45 $5,878 582,633 Direct +0.02% Acquired
Aug. 6, 2019 DDS A 195 $69.87 $13,625 582,527 Direct +0.03% Acquired
July 29, 2019 DDS A 77 $75.97 $5,850 582,332 Direct +0.01% Acquired
July 1, 2019 DDS A 121 $60.62 $7,335 582,255 Direct +0.02% Acquired
May 28, 2019 DDS A 109 $56.82 $6,193 582,134 Direct +0.02% Acquired

Showing latest 100 of 313 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 4, 2026 DDS Common Class B Common Class A (913,975) · · 913,975 Acquired
June 4, 2026 DDS Common Class B Common Class A (3,985,776) · · 3,985,776 Disposed
Nov. 30, 2012 DDS Common Class A Common Class A (100,000) $25.74 Jan. 24, 2016 100,000 Disposed
Nov. 27, 2012 DDS Common Class A Common Class A (200,000) $25.74 Jan. 24, 2016 200,000 Disposed
April 26, 2011 DDS Common Class A Common Class A (61,559) $26.57 May 24, 2011 61,559 Disposed
Nov. 15, 2006 DDS Employee Stock Option Common Class A (54,644) $26.57 Dec. 10, 2006 54,644 Disposed
Nov. 15, 2006 DDS Employee Stock Option Common Class A (27,382) $26.57 Dec. 10, 2006 27,382 Disposed
Jan. 24, 2006 DDS Employee Stock Option(right to buy) Common Class A (300,000) $25.74 Jan. 24, 2016 300,000 Acquired
Jan. 20, 2006 DDS Employee Stock Option Common Class A (142,740) $25.95 May 14, 2009 142,740 Acquired
Jan. 20, 2006 DDS Employee Stock Option Common Class A (150,000) $24.01 May 14, 2009 150,000 Disposed
Jan. 20, 2006 DDS Employee Stock Option Common Class A (97,883) $25.95 Feb. 6, 2006 97,883 Acquired
Jan. 20, 2006 DDS Employee Stock Option Common Class A (100,000) $25.12 Feb. 5, 2006 100,000 Disposed
Jan. 13, 2005 DDS Employee Stock option Common Class A (61,559) $26.57 May 24, 2011 61,559 Acquired
Jan. 13, 2005 DDS Employee Stock Option Common Class A (80,000) $15.74 May 24, 2011 80,000 Disposed
Jan. 13, 2005 DDS Employee Stock Option Common Class A (82,026) $26.57 Dec. 10, 2006 82,026 Acquired
Jan. 13, 2005 DDS Employee Stock Option Common Class A (100,000) $18.12 Dec. 10, 2006 100,000 Disposed
Jan. 13, 2005 DDS Employee Stock Option Common Class A (48,929) $26.57 Dec. 15, 2007 48,929 Acquired
Jan. 13, 2005 DDS Employee Stock Option Common Class A (80,000) $10.44 Dec. 15, 2007 80,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CIK 28917

President
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2020 $765,000 · $44,823 · · $1,099,321 $74,330 $1,983,474
2019 $765,000 · $69,226 · $261,100 $3,086,234 $95,797 $4,277,357
2018 $750,000 · $68,980 · $405,500 $16,885 $83,089 $1,324,454

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.