Denise Dillard Mahaffy
CIK 1592712 · View on SEC EDGAR ↗
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 27, 2026 | DDT | A | 10 | $576.57 | $5,766 | 166,584 Direct | +0.01% | Acquired | -95.4% (price as of 2026-08-21) |
| June 29, 2026 | DDT | A | 13 | $545.93 | $7,097 | 166,574 Direct | +0.01% | Acquired | -95.2% (price as of 2026-08-21) |
| June 4, 2026 | DDT | A | 273,724 | — | — | 273,724 Direct | — | Acquired | (price as of 2026-08-21) |
| June 4, 2026 | DDT | A | 2,850 | — | — | 166,561 Direct | +1.74% | Acquired | (price as of 2026-08-21) |
| May 26, 2026 | DDT | A | 10 | $570.32 | $5,703 | 163,711 | — | — | -95.4% (price as of 2026-08-21) |
| Jan. 31, 2025 | DDT | A | 129 | $469.18 | $60,524 | 136,342 Direct | +0.09% | Acquired | -94.4% (price as of 2026-08-21) |
| Dec. 30, 2024 | DDT | A | 16 | $445.40 | $7,126 | 136,213 Direct | +0.01% | Acquired | -94.1% (price as of 2026-08-21) |
| Nov. 25, 2024 | DDT | A | 12 | $467.94 | $5,615 | 136,197 Direct | +0.01% | Acquired | -94.4% (price as of 2026-08-21) |
| Oct. 28, 2024 | DDT | A | 14 | $385.48 | $5,397 | 136,185 Direct | +0.01% | Acquired | -93.2% (price as of 2026-08-21) |
| Sept. 30, 2024 | DDT | A | 18 | $393.38 | $7,081 | 136,171 Direct | +0.01% | Acquired | -93.3% (price as of 2026-08-21) |
| Aug. 26, 2024 | DDT | A | 16 | $354.25 | $5,668 | 136,153 Direct | +0.01% | Acquired | -92.6% (price as of 2026-08-21) |
| July 29, 2024 | DDT | A | 14 | $389.57 | $5,454 | 136,137 Direct | +0.01% | Acquired | -93.3% (price as of 2026-08-21) |
| June 28, 2024 | DDT | A | 16 | $442.68 | $7,083 | 136,123 Direct | +0.01% | Acquired | -94.1% (price as of 2026-08-21) |
| May 28, 2024 | DDT | A | 12 | $450.25 | $5,403 | 136,107 Direct | +0.01% | Acquired | -94.2% (price as of 2026-08-21) |
| April 30, 2024 | DDT | A | 162 | $438.54 | $71,043 | 136,095 Direct | +0.12% | Acquired | -94.0% (price as of 2026-08-21) |
| Feb. 2, 2024 | DDT | A | 156 | $391.28 | $61,040 | 135,933 Direct | +0.11% | Acquired | -93.3% (price as of 2026-08-21) |
| Jan. 2, 2024 | DDT | A | 20 | $405.48 | $8,110 | 135,777 Direct | +0.01% | Acquired | -93.5% (price as of 2026-08-21) |
| Nov. 20, 2023 | DDT | A | 16 | $343.91 | $5,503 | 135,757 Direct | +0.01% | Acquired | -92.4% (price as of 2026-08-21) |
| Oct. 31, 2023 | DDT | A | 24 | $310.56 | $7,453 | 135,741 Direct | +0.02% | Acquired | -91.5% (price as of 2026-08-21) |
| Oct. 23, 2023 | DDT | A | 21 | $316.00 | $6,636 | 135,717 Direct | +0.02% | Acquired | -91.7% (price as of 2026-08-21) |
| Sept. 18, 2023 | DDT | A | 17 | $315.11 | $5,357 | 135,696 Direct | +0.01% | Acquired | -91.7% (price as of 2026-08-21) |
| Aug. 21, 2023 | DDT | A | 16 | $335.35 | $5,366 | 135,679 Direct | +0.01% | Acquired | -92.2% (price as of 2026-08-21) |
| Aug. 1, 2023 | DDT | A | 18 | $341.23 | $6,142 | 135,663 Direct | +0.01% | Acquired | -92.3% (price as of 2026-08-21) |
| July 24, 2023 | DDT | A | 17 | $311.48 | $5,295 | 135,645 Direct | +0.01% | Acquired | -91.6% (price as of 2026-08-21) |
| June 26, 2023 | DDT | A | 21 | $324.18 | $6,808 | 135,628 Direct | +0.02% | Acquired | -91.9% (price as of 2026-08-21) |
| May 22, 2023 | DDT | A | 19 | $290.14 | $5,513 | 135,607 Direct | +0.01% | Acquired | -90.9% (price as of 2026-08-21) |
| May 2, 2023 | DDT | A | 20 | $289.98 | $5,800 | 135,588 Direct | +0.01% | Acquired | -90.9% (price as of 2026-08-21) |
| April 24, 2023 | DDT | A | 9 | $311.66 | $2,805 | 135,568 Direct | +0.01% | Acquired | -91.6% (price as of 2026-08-21) |
| April 11, 2023 | DDT | A | 231 | $311.71 | $72,005 | 135,559 Direct | +0.17% | Acquired | -91.6% (price as of 2026-08-21) |
| Jan. 27, 2023 | DDT | A | 358 | $384.08 | $137,501 | 135,328 Direct | +0.27% | Acquired | -93.2% (price as of 2026-08-21) |
| Jan. 3, 2023 | DDT | A | 24 | $323.95 | $7,775 | 134,970 Direct | +0.02% | Acquired | -91.9% (price as of 2026-08-21) |
| Nov. 21, 2022 | DDT | A | 14 | $358.89 | $5,024 | 134,946 Direct | +0.01% | Acquired | -92.7% (price as of 2026-08-21) |
| Nov. 1, 2022 | DDT | A | 18 | $333.74 | $6,007 | 134,932 Direct | +0.01% | Acquired | -92.1% (price as of 2026-08-21) |
| Oct. 24, 2022 | DDT | A | 17 | $312.11 | $5,306 | 134,914 Direct | +0.01% | Acquired | -91.6% (price as of 2026-08-21) |
| Sept. 26, 2022 | DDT | A | 23 | $275.18 | $6,329 | 134,897 Direct | +0.02% | Acquired | -90.4% (price as of 2026-08-21) |
| Aug. 22, 2022 | DDT | A | 17 | $309.35 | $5,259 | 134,874 Direct | +0.01% | Acquired | -91.5% (price as of 2026-08-21) |
| Aug. 2, 2022 | DDT | A | 26 | $228.55 | $5,942 | 134,857 Direct | +0.02% | Acquired | -88.5% (price as of 2026-08-21) |
| July 25, 2022 | DDT | A | 23 | $221.49 | $5,094 | 134,831 Direct | +0.02% | Acquired | -88.1% (price as of 2026-08-21) |
| June 27, 2022 | DDT | A | 25 | $260.96 | $6,524 | 134,808 Direct | +0.02% | Acquired | -89.9% (price as of 2026-08-21) |
| May 23, 2022 | DDT | A | 20 | $258.76 | $5,175 | 134,783 Direct | +0.01% | Acquired | -89.8% (price as of 2026-08-21) |
| May 3, 2022 | DDT | A | 18 | $315.43 | $5,678 | 134,763 Direct | +0.01% | Acquired | -91.7% (price as of 2026-08-21) |
| April 25, 2022 | DDT | A | 945 | $276.74 | $261,519 | 134,745 Direct | +0.71% | Acquired | -90.5% (price as of 2026-08-21) |
| Feb. 1, 2022 | DDT | A | 22 | $257.19 | $5,658 | 133,800 Direct | +0.02% | Acquired | -89.8% (price as of 2026-08-21) |
| Jan. 28, 2022 | DDT | A | 96 | $250.71 | $24,068 | 133,778 Direct | +0.07% | Acquired | -89.5% (price as of 2026-08-21) |
| Jan. 3, 2022 | DDT | A | 28 | $265.95 | $7,447 | 133,682 Direct | +0.02% | Acquired | -90.1% (price as of 2026-08-21) |
| Nov. 22, 2021 | DDT | A | 13 | $369.25 | $4,800 | 133,654 Direct | +0.01% | Acquired | -92.9% (price as of 2026-08-21) |
| Nov. 2, 2021 | DDT | A | 24 | $236.29 | $5,671 | 133,641 Direct | +0.02% | Acquired | -88.9% (price as of 2026-08-21) |
| Oct. 25, 2021 | DDT | A | 22 | $227.74 | $5,010 | 133,617 Direct | +0.02% | Acquired | -88.5% (price as of 2026-08-21) |
| Sept. 27, 2021 | DDT | A | 30 | $204.49 | $6,135 | 133,595 Direct | +0.02% | Acquired | -87.1% (price as of 2026-08-21) |
| Aug. 24, 2021 | DDT | A | 24 | $206.36 | $4,953 | 133,565 Direct | +0.02% | Acquired | -87.3% (price as of 2026-08-21) |
| Aug. 3, 2021 | DDT | A | 24 | $177.93 | $4,270 | 133,541 Direct | +0.02% | Acquired | -85.2% (price as of 2026-08-21) |
| July 26, 2021 | DDT | A | 27 | $185.53 | $5,009 | 133,517 Direct | +0.02% | Acquired | -85.8% (price as of 2026-08-21) |
| June 28, 2021 | DDT | A | 11 | $184.23 | $2,027 | 133,490 Direct | +0.01% | Acquired | -85.7% (price as of 2026-08-21) |
| May 4, 2021 | DDT | A | 40 | $105.07 | $4,203 | 133,479 Direct | +0.03% | Acquired | -75.0% (price as of 2026-08-21) |
| Feb. 2, 2021 | DDT | A | 56 | $74.21 | $4,156 | 133,439 Direct | +0.04% | Acquired | -64.6% (price as of 2026-08-21) |
| Jan. 29, 2021 | DDT | A | 259 | $92.81 | $24,038 | 133,383 Direct | +0.19% | Acquired | -71.7% (price as of 2026-08-21) |
| Jan. 4, 2021 | DDT | A | 170 | $60.76 | $10,329 | 133,124 Direct | +0.13% | Acquired | -56.7% (price as of 2026-08-21) |
| Nov. 23, 2020 | DDT | A | 140 | $49.16 | $6,882 | 132,954 Direct | +0.11% | Acquired | -46.5% (price as of 2026-08-21) |
| Nov. 3, 2020 | DDT | A | 90 | $45.84 | $4,126 | 132,814 Direct | +0.07% | Acquired | -42.6% (price as of 2026-08-21) |
| Oct. 26, 2020 | DDT | A | 141 | $48.96 | $6,903 | 132,724 Direct | +0.11% | Acquired | -46.3% (price as of 2026-08-21) |
| Sept. 28, 2020 | DDT | A | 269 | $31.99 | $8,605 | 132,583 Direct | +0.20% | Acquired | -17.8% (price as of 2026-08-21) |
| Aug. 24, 2020 | DDT | A | 262 | $26.32 | $6,896 | 132,314 Direct | +0.20% | Acquired | -0.1% (price as of 2026-08-21) |
| Aug. 4, 2020 | DDT | A | 158 | $25.07 | $3,961 | 132,052 Direct | +0.12% | Acquired | 4.9% (price as of 2026-08-21) |
| July 27, 2020 | DDT | A | 285 | $24.17 | $6,888 | 131,894 Direct | +0.22% | Acquired | 8.8% (price as of 2026-08-21) |
| June 29, 2020 | DDT | A | 109 | $26.04 | $2,838 | 131,609 Direct | +0.08% | Acquired | 1.0% (price as of 2026-08-21) |
| May 5, 2020 | DDT | A | 137 | $28.85 | $3,952 | 131,500 Direct | +0.10% | Acquired | -8.9% (price as of 2026-08-21) |
| Feb. 4, 2020 | DDT | A | 65 | $60.77 | $3,950 | 131,363 Direct | +0.05% | Acquired | -56.7% (price as of 2026-08-21) |
| Jan. 31, 2020 | DDT | A | 443 | $63.90 | $28,308 | 131,298 Direct | +0.34% | Acquired | -58.9% (price as of 2026-08-21) |
| Dec. 30, 2019 | DDT | A | 84 | $73.47 | $6,171 | 130,855 Direct | +0.06% | Acquired | -64.2% (price as of 2026-08-21) |
| Nov. 25, 2019 | DDT | A | 66 | $74.58 | $4,922 | 130,771 Direct | +0.05% | Acquired | -64.7% (price as of 2026-08-21) |
| Nov. 5, 2019 | DDT | A | 53 | $72.59 | $3,847 | 130,705 Direct | +0.04% | Acquired | -63.8% (price as of 2026-08-21) |
| Oct. 28, 2019 | DDT | A | 66 | $74.65 | $4,927 | 130,652 Direct | +0.05% | Acquired | -64.8% (price as of 2026-08-21) |
| Sept. 30, 2019 | DDT | A | 97 | $63.44 | $6,154 | 130,586 Direct | +0.07% | Acquired | -58.6% (price as of 2026-08-21) |
| Aug. 26, 2019 | DDT | A | 89 | $55.45 | $4,935 | 130,489 Direct | +0.07% | Acquired | -52.6% (price as of 2026-08-21) |
| Aug. 6, 2019 | DDT | A | 37 | $69.87 | $2,585 | 130,400 Direct | +0.03% | Acquired | -62.4% (price as of 2026-08-21) |
| July 29, 2019 | DDT | A | 65 | $75.97 | $4,938 | 130,363 Direct | +0.05% | Acquired | -65.4% (price as of 2026-08-21) |
| July 1, 2019 | DDT | A | 102 | $60.62 | $6,183 | 130,298 Direct | +0.08% | Acquired | -56.6% (price as of 2026-08-21) |
| May 28, 2019 | DDT | A | 88 | $56.82 | $5,000 | 130,196 Direct | +0.07% | Acquired | -53.7% (price as of 2026-08-21) |
| May 7, 2019 | DDT | A | 38 | $67.10 | $2,550 | 130,108 Direct | +0.03% | Acquired | -60.8% (price as of 2026-08-21) |
| April 29, 2019 | DDT | A | 68 | $70.03 | $4,762 | 130,070 Direct | +0.05% | Acquired | -62.5% (price as of 2026-08-21) |
| Feb. 5, 2019 | DDT | A | 37 | $67.59 | $2,501 | 130,002 Direct | +0.03% | Acquired | -61.1% (price as of 2026-08-21) |
| Feb. 1, 2019 | DDT | A | 421 | $65.75 | $27,681 | 129,965 Direct | +0.32% | Acquired | -60.0% (price as of 2026-08-21) |
| Dec. 31, 2018 | DDT | A | 99 | $59.96 | $5,936 | 129,544 Direct | +0.08% | Acquired | -56.2% (price as of 2026-08-21) |
| Nov. 26, 2018 | DDT | A | 73 | $65.58 | $4,787 | 129,445 Direct | +0.06% | Acquired | -59.9% (price as of 2026-08-21) |
| Nov. 6, 2018 | DDT | A | 33 | $75.27 | $2,484 | 129,372 Direct | +0.03% | Acquired | -65.1% (price as of 2026-08-21) |
| Oct. 29, 2018 | DDT | A | 64 | $74.49 | $4,767 | 129,339 Direct | +0.05% | Acquired | -64.7% (price as of 2026-08-21) |
| Oct. 1, 2018 | DDT | A | 77 | $77.60 | $5,975 | 129,275 Direct | +0.06% | Acquired | -66.1% (price as of 2026-08-21) |
| Aug. 27, 2018 | DDT | A | 63 | $75.84 | $4,778 | 129,198 Direct | +0.05% | Acquired | -65.3% (price as of 2026-08-21) |
| Aug. 7, 2018 | DDT | A | 30 | $81.91 | $2,457 | 129,135 Direct | +0.02% | Acquired | -67.9% (price as of 2026-08-21) |
| July 30, 2018 | DDT | A | 59 | $81.38 | $4,801 | 129,105 Direct | +0.05% | Acquired | -67.7% (price as of 2026-08-21) |
| July 2, 2018 | DDT | A | 65 | $91.39 | $5,940 | 129,046 Direct | +0.05% | Acquired | -71.2% (price as of 2026-08-21) |
| May 29, 2018 | DDT | A | 60 | $78.91 | $4,735 | 128,981 Direct | +0.05% | Acquired | -66.7% (price as of 2026-08-21) |
| May 8, 2018 | DDT | A | 36 | $68.62 | $2,470 | 128,921 Direct | +0.03% | Acquired | -61.7% (price as of 2026-08-21) |
| April 30, 2018 | DDT | A | 64 | $78.41 | $5,018 | 128,885 Direct | +0.05% | Acquired | -66.5% (price as of 2026-08-21) |
| Feb. 6, 2018 | DDT | A | 39 | $62.48 | $2,437 | 128,821 Direct | +0.03% | Acquired | -57.9% (price as of 2026-08-21) |
| Feb. 2, 2018 | DDT | A | 432 | $65.09 | $28,119 | 128,782 Direct | +0.34% | Acquired | -59.6% (price as of 2026-08-21) |
| Jan. 2, 2018 | DDT | A | 114 | $60.76 | $6,927 | 128,350 Direct | +0.09% | Acquired | -56.7% (price as of 2026-08-21) |
| Nov. 20, 2017 | DDT | A | 85 | $54.00 | $4,590 | 128,236 Direct | +0.07% | Acquired | -51.3% (price as of 2026-08-21) |
| Oct. 31, 2017 | DDT | A | 47 | $51.02 | $2,398 | 128,151 Direct | +0.04% | Acquired | -48.5% (price as of 2026-08-21) |
| Oct. 23, 2017 | DDT | A | 84 | $55.03 | $4,623 | 128,104 Direct | +0.07% | Acquired | -52.2% (price as of 2026-08-21) |
Showing latest 100 of 157 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 4, 2026 | DDT | Common Class B | Common Class A (273,724) | — | — | 273,724 | 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.