Bernd Greifeneder
Insider
First SEC filing: July 31, 2019 · Latest: June 9, 2026
Insider at
Insider transactions
0 buys (P)
13 sells (S)
Net: $-2,883,191
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. 18, 2026 | DT | S 10b5-1 | 50,000 | $57.21 | $2,860,500 | 904,846 Direct | -5.24% | Disposed | 4.9% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,220 | · | · | 951,898 Direct | +0.34% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 1,771 | $51.90 | $91,915 | 950,127 Direct | -0.19% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 4,130 | · | · | 954,257 Direct | +0.43% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 2,272 | $51.90 | $117,917 | 951,985 Direct | -0.24% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,777 | · | · | 955,762 Direct | +0.40% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 2,078 | $51.90 | $107,848 | 953,684 Direct | -0.22% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 2,584 | · | · | 956,268 Direct | +0.27% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 1,422 | $51.90 | $73,802 | 954,846 Direct | -0.15% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 116 | · | · | 2,092 Indirect | +5.87% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | S | 58 | $51.90 | $3,010 | 2,034 Indirect | -2.77% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 82 | · | · | 2,116 Indirect | +4.03% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | S | 41 | $51.90 | $2,128 | 2,075 Indirect | -1.94% | Disposed | 15.6% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,220 | · | · | 9,663 Direct | -24.99% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 4,130 | · | · | 12,390 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,777 | · | · | 26,439 Direct | -12.50% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 2,584 | · | · | 14,294 Direct | -15.31% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 116 | · | · | 350 Indirect | -24.89% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 82 | · | · | 575 Indirect | -12.48% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 5,204 | · | · | 933,037 Direct | +0.56% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 2,863 | $42.19 | $120,790 | 930,174 Direct | -0.31% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 3,827 | · | · | 934,001 Direct | +0.41% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 2,105 | $42.19 | $88,810 | 931,896 Direct | -0.23% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 3,221 | · | · | 935,117 Direct | +0.35% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 1,772 | $42.19 | $74,761 | 933,345 Direct | -0.19% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 4,130 | · | · | 937,475 Direct | +0.44% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 2,272 | $42.19 | $95,856 | 935,203 Direct | -0.24% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 4,043 | · | · | 939,246 Direct | +0.43% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 2,224 | $42.19 | $93,831 | 937,022 Direct | -0.24% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 14,883 | · | · | 951,905 Direct | +1.59% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 8,186 | $42.19 | $345,367 | 943,719 Direct | -0.86% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 10,181 | · | · | 953,900 Direct | +1.08% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 5,600 | $42.19 | $236,264 | 948,300 Direct | -0.59% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 31 | · | · | 1,763 Indirect | +1.79% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | S | 16 | $42.19 | $675 | 1,747 Indirect | -0.91% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 19 | · | · | 1,766 Indirect | +1.09% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | S | 10 | $42.19 | $422 | 1,756 Indirect | -0.57% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 117 | · | · | 1,873 Indirect | +6.66% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | S | 59 | $42.19 | $2,489 | 1,814 Indirect | -3.15% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 324 | · | · | 2,138 Indirect | +17.86% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | S | 162 | $42.19 | $6,835 | 1,976 Indirect | -7.58% | Disposed | 42.2% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 5,204 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 3,827 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 3,221 | · | · | 12,883 Direct | -20.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 4,130 | · | · | 16,520 Direct | -20.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 4,043 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 14,883 | · | · | 30,216 Direct | -33.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 10,181 | · | · | 16,878 Direct | -37.63% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | A | 48,590 | · | · | 48,590 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 31 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 19 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 117 | · | · | 466 Indirect | -20.07% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 324 | · | · | 657 Indirect | -33.03% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | A | 463 | · | · | 463 Indirect | · | Acquired | (price as of 2026-10-05) |
| May 16, 2026 | DT | A | 30,845 | · | · | 30,845 Direct | · | Acquired | (price as of 2026-10-05) |
| May 16, 2026 | DT | A | 4,043 | · | · | 4,043 Direct | · | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 5,204 | · | · | 925,487 Direct | +0.57% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | F | 2,863 | $39.21 | $112,258 | 922,624 Direct | -0.31% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 3,827 | · | · | 926,451 Direct | +0.41% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | F | 2,105 | $39.21 | $82,537 | 924,346 Direct | -0.23% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 3,221 | · | · | 927,567 Direct | +0.35% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | F | 1,772 | $39.21 | $69,480 | 925,795 Direct | -0.19% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 4,130 | · | · | 929,925 Direct | +0.45% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | F | 2,272 | $39.21 | $89,085 | 927,653 Direct | -0.24% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 31 | · | · | 1,419 Indirect | +2.23% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | S | 16 | $39.21 | $627 | 1,403 Indirect | -1.13% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 19 | · | · | 1,422 Indirect | +1.35% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | S | 10 | $39.21 | $392 | 1,412 Indirect | -0.70% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 117 | · | · | 1,529 Indirect | +8.29% | Acquired | (price as of 2026-10-05) |
| March 5, 2026 | DT | S | 59 | $39.21 | $2,313 | 1,470 Indirect | -3.86% | Disposed | 53.0% (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 5,204 | · | · | 5,204 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 3,827 | · | · | 3,827 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 3,221 | · | · | 16,104 Direct | -16.67% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 4,130 | · | · | 20,650 Direct | -16.67% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 31 | · | · | 31 Indirect | -50.00% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 19 | · | · | 19 Indirect | -50.00% | Disposed | (price as of 2026-10-05) |
| March 5, 2026 | DT | M | 117 | · | · | 583 Indirect | -16.71% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 5,206 | · | · | 918,118 Direct | +0.57% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | F | 2,864 | $44.45 | $127,305 | 915,254 Direct | -0.31% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 3,828 | · | · | 919,082 Direct | +0.42% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | F | 2,106 | $44.45 | $93,612 | 916,976 Direct | -0.23% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 3,222 | · | · | 920,198 Direct | +0.35% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | F | 1,773 | $44.45 | $78,810 | 918,425 Direct | -0.19% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 4,130 | · | · | 922,555 Direct | +0.45% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | F | 2,272 | $44.45 | $100,990 | 920,283 Direct | -0.25% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 31 | · | · | 1,337 Indirect | +2.37% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | S | 16 | $44.45 | $711 | 1,321 Indirect | -1.20% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 20 | · | · | 1,341 Indirect | +1.51% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | S | 10 | $44.45 | $444 | 1,331 Indirect | -0.75% | Disposed | 35.0% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 116 | · | · | 1,447 Indirect | +8.72% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | S | 59 | $44.83 | $2,645 | 1,388 Indirect | -4.08% | Disposed | 33.9% (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 5,206 | · | · | 10,408 Direct | -33.34% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 3,828 | · | · | 7,654 Direct | -33.34% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 3,222 | · | · | 19,325 Direct | -14.29% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 4,130 | · | · | 24,780 Direct | -14.29% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 31 | · | · | 62 Indirect | -33.33% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 20 | · | · | 38 Indirect | -34.48% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2025 | DT | M | 116 | · | · | 700 Indirect | -14.22% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2025 | DT | M | 3,827 | · | · | 908,915 Direct | +0.42% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2025 | DT | F | 2,105 | $50.00 | $105,250 | 906,810 Direct | -0.23% | Disposed | 20.0% (price as of 2026-10-05) |
Showing latest 100 of 205 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 |
|---|---|---|---|---|---|---|---|
| Sept. 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,220 | Disposed |
| Sept. 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 4,130 | Disposed |
| Sept. 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 3,777 | Disposed |
| Sept. 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 2,584 | Disposed |
| Sept. 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 116 | Disposed |
| Sept. 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 82 | Disposed |
| June 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 5,204 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 3,827 | Disposed |
| June 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,221 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 4,130 | Disposed |
| June 5, 2026 | DT | Performance Restricted Stock Units (rTSR) | Common Stock | · | · | 4,043 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 14,883 | Disposed |
| June 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 10,181 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 48,590 | Acquired |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 31 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 19 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 117 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 324 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 463 | Acquired |
| May 16, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 30,845 | Acquired |
| May 16, 2026 | DT | Performance Restricted Stock Units (rTSR) | Common Stock | · | · | 4,043 | Acquired |
| March 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 5,204 | Disposed |
| March 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 3,827 | Disposed |
| March 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,221 | Disposed |
| March 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 4,130 | Disposed |
| March 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 31 | Disposed |
| March 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 19 | Disposed |
| March 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 117 | Disposed |
| Dec. 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 5,206 | Disposed |
| Dec. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 3,828 | Disposed |
| Dec. 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,222 | Disposed |
| Dec. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 4,130 | Disposed |
| Dec. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 31 | Disposed |
| Dec. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 20 | Disposed |
| Dec. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 116 | Disposed |
| Sept. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 3,827 | Disposed |
| Sept. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 4,130 | Disposed |
| Sept. 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 5,204 | Disposed |
| Sept. 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,222 | Disposed |
| Sept. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 30 | Disposed |
| Sept. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 19 | Disposed |
| Sept. 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 117 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 45,099 | Acquired |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 4,508 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 3,827 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 16,274 | Disposed |
| June 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 4,798 | Disposed |
| June 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 5,205 | Disposed |
| June 5, 2025 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 12,695 | Disposed |
| June 5, 2025 | DT | Performance Restricted Stock Units (rTSR) | Common Stock | · | · | 9,034 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 981 | Acquired |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 31 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 19 | Disposed |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 461 | Disposed |
| May 15, 2020 | DT | Stock Option (Right to Buy) | Common Stock | $33.03 | May 15, 2030 | 106,400 | Acquired |
| July 31, 2019 | DT | Stock Option (Right to Buy) | Common Stock | $16.00 | July 31, 2029 | 243,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 31, 2019 | DT | Common Stock | 1,200,000 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $445,931 | · | $5,018,402 | · | $310,696 | · | $282 | $5,775,311 |
| 2024 | $429,512 | · | $4,825,814 | · | $319,600 | · | $17,433 | $5,592,359 |
| 2023 | $408,584 | · | $4,411,906 | · | $260,938 | · | · | $5,081,428 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.