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ADP Automatic Data Processing
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
-$12.0M net selling - trailing 90 days
0 buyers - 6 unique sellers
Historical context: most recent complete month (2026-09) is the 15th percentile of this ticker's monthly net P/S flow over 24 complete months. Lower percentiles are more selling; higher are more buying. P10–P90: -$11.5M to $0.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Black Maria | President & CEO | -~$8.1M | 13 |
| DeSilva Joseph | Executive VP | -~$2.0M | 2 |
| Kwon David | Corp VP | -~$0.9M | 4 |
| D'Ambrosio Christopher | Corp. VP | -~$0.5M | 1 |
| Foskett David | Corp. VP | -~$0.4M | 1 |
| Michaud Brian L. | Executive VP | -~$34K | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| September 3, 2026 | DeSilva Joseph | Executive VP | S | -631 | 282.87 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | 13 reported sale rows | 28792 | — | ~$8.1M |
| September 2, 2026 | Black Maria | President & CEO | S | -7724 | 281.6597 | ~$2.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -10591 | 280.8179 | ~$3.0M |
| September 2, 2026 | Black Maria | President & CEO | S | -2898 | 279.7355 | ~$0.8M |
| September 2, 2026 | Black Maria | President & CEO | S | -214 | 279.2119 | ~$60K |
| September 2, 2026 | Black Maria | President & CEO | S | -256 | 279.4446 | ~$72K |
| September 2, 2026 | Black Maria | President & CEO | S | -559 | 279.9339 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -610 | 281.8625 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -700 | 278.5886 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -760 | 281.6961 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -786 | 280.2682 | ~$0.2M |
| September 2, 2026 | Black Maria | President & CEO | S | -1018 | 281.5993 | ~$0.3M |
| September 2, 2026 | Black Maria | President & CEO | S | -1193 | 280.9598 | ~$0.3M |
| September 2, 2026 | Black Maria | President & CEO | S | -1483 | 281.1319 | ~$0.4M |
| September 2, 2026 | DeSilva Joseph | Executive VP | S | -6512 | 283 | ~$1.8M |
| September 2, 2026 | Foskett David | Corp. VP | S | -1529 | 283 | ~$0.4M |
| September 2, 2026 | D'Ambrosio Christopher | Corp. VP | S | -1872 | 283 | ~$0.5M |
| August 21, 2026 | Michaud Brian L. | Executive VP | S | -120 | 279.7 | ~$34K |
| August 20, 2026 | Kwon David | Corp VP | S | -798 | 280 | ~$0.2M |
| July 30, 2026 | Kwon David | Corp VP | 3 reported sale rows | 2414 | — | ~$0.6M |
| July 30, 2026 | Kwon David | Corp VP | S | -1053 | 265.62 | ~$0.3M |
| July 30, 2026 | Kwon David | Corp VP | S | -474 | 265.62 | ~$0.1M |
| July 30, 2026 | Kwon David | Corp VP | S | -887 | 265.62 | ~$0.2M |
| May 8, 2026 | Michaud Brian L. | Executive VP | S | -848 | 212.13 | ~$0.2M |
| May 7, 2026 | SWAN ROBERT HOLMES | — | P | 3619 | 206.05 | ~$0.7M |
| April 14, 2026 | D'Ambrosio Christopher | Corp. VP | S | -543 | 195.74 | ~$0.1M |
| March 16, 2026 | D'Ambrosio Christopher | Corp. VP | S | -543 | 208.45 | ~$0.1M |
| February 17, 2026 | D'Ambrosio Christopher | Corp. VP | S | -543 | 212.43 | ~$0.1M |
| February 6, 2026 | Michaud Brian L. | Executive VP | S | -1000 | 234.18 | ~$0.2M |
| February 5, 2026 | Foskett David | Corp. VP | S | -266 | 237 | ~$63K |
| January 13, 2026 | D'Ambrosio Christopher | Corp. VP | S | -543 | 262.29 | ~$0.1M |
| January 12, 2026 | Kwon David | Corp VP | S | -806 | 264.8 | ~$0.2M |
| January 6, 2026 | Kwon David | Corp VP | S | -900 | 260 | ~$0.2M |
| January 5, 2026 | Black Maria | President & CEO | 6 reported sale rows | 715 | — | ~$0.2M |
| January 5, 2026 | Black Maria | President & CEO | S | -98 | 258.773 | ~$25K |
| January 5, 2026 | Black Maria | President & CEO | S | -294 | 258.0889 | ~$76K |
| January 5, 2026 | Black Maria | President & CEO | S | -145 | 257.2446 | ~$37K |
| January 5, 2026 | Black Maria | President & CEO | S | -71 | 254.9492 | ~$18K |
| January 5, 2026 | Black Maria | President & CEO | S | -56 | 255.7276 | ~$14K |
| January 5, 2026 | Black Maria | President & CEO | S | -51 | 253.3241 | ~$13K |
| September 12, 2025 | Rodriguez Carlos A | — | 5 reported sale rows | 1273 | — | ~$0.4M |
| September 12, 2025 | Rodriguez Carlos A | — | S | -7 | 296.94 | ~$2K |
| September 12, 2025 | Rodriguez Carlos A | — | S | -855 | 293.7593 | ~$0.3M |
| September 12, 2025 | Rodriguez Carlos A | — | S | -230 | 292.8116 | ~$67K |
| September 12, 2025 | Rodriguez Carlos A | — | S | -129 | 296.1348 | ~$38K |
| September 12, 2025 | Rodriguez Carlos A | — | S | -52 | 294.4116 | ~$15K |
| September 11, 2025 | Rodriguez Carlos A | — | 7 reported sale rows | 2813 | — | ~$0.8M |
| September 11, 2025 | Rodriguez Carlos A | — | S | -186 | 293.9266 | ~$55K |
| September 11, 2025 | Rodriguez Carlos A | — | S | -623 | 297.9757 | ~$0.2M |
| September 11, 2025 | Rodriguez Carlos A | — | S | -802 | 294.7991 | ~$0.2M |
| September 11, 2025 | Rodriguez Carlos A | — | S | -591 | 295.824 | ~$0.2M |
| September 11, 2025 | Rodriguez Carlos A | — | S | -337 | 296.9245 | ~$0.1M |
| September 11, 2025 | Rodriguez Carlos A | — | S | -202 | 293.0395 | ~$59K |
| September 11, 2025 | Rodriguez Carlos A | — | S | -72 | 298.575 | ~$21K |
| September 10, 2025 | Rodriguez Carlos A | — | 7 reported sale rows | 21950 | — | ~$6.4M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -1607 | 296.1896 | ~$0.5M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -800 | 294.9636 | ~$0.2M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -5363 | 292.1168 | ~$1.6M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -8297 | 293.0771 | ~$2.4M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -380 | 296.8432 | ~$0.1M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -3311 | 290.9804 | ~$1.0M |
| September 10, 2025 | Rodriguez Carlos A | — | S | -2192 | 293.7831 | ~$0.6M |
| September 10, 2025 | D'Ambrosio Christopher | Corp. VP | S | -597 | 296.9 | ~$0.2M |
| September 9, 2025 | Rodriguez Carlos A | — | 3 reported sale rows | 21950 | — | ~$6.5M |
| September 9, 2025 | Rodriguez Carlos A | — | S | -300 | 298.3233 | ~$89K |
| September 9, 2025 | Rodriguez Carlos A | — | S | -6105 | 297.5462 | ~$1.8M |
| September 9, 2025 | Rodriguez Carlos A | — | S | -15545 | 296.9506 | ~$4.6M |
| September 9, 2025 | Bonarti Michael A | Corporate Vice President | S | -8728 | 298.43 | ~$2.6M |
| September 5, 2025 | Rodriguez Carlos A | — | 9 reported sale rows | 12056 | — | ~$3.6M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -1087 | 294.3246 | ~$0.3M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -1198 | 297.4808 | ~$0.4M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -3019 | 296.2055 | ~$0.9M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -3581 | 295.6435 | ~$1.1M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -259 | 302.4519 | ~$78K |
| September 5, 2025 | Rodriguez Carlos A | — | S | -531 | 300.7505 | ~$0.2M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -603 | 299.6418 | ~$0.2M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -796 | 298.6309 | ~$0.2M |
| September 5, 2025 | Rodriguez Carlos A | — | S | -982 | 301.7796 | ~$0.3M |
| September 4, 2025 | Rodriguez Carlos A | — | 5 reported sale rows | 11701 | — | ~$3.5M |
| September 4, 2025 | Rodriguez Carlos A | — | S | -6686 | 300.8646 | ~$2.0M |
| September 4, 2025 | Rodriguez Carlos A | — | S | -2430 | 298.762 | ~$0.7M |
| September 4, 2025 | Rodriguez Carlos A | — | S | -1377 | 301.292 | ~$0.4M |
| September 4, 2025 | Rodriguez Carlos A | — | S | -752 | 299.8969 | ~$0.2M |
| September 4, 2025 | Rodriguez Carlos A | — | S | -456 | 297.5604 | ~$0.1M |
| September 3, 2025 | Black Maria | President & CEO | 17 reported sale rows | 23105 | — | ~$6.9M |
| September 3, 2025 | Black Maria | President & CEO | S | -1362 | 299.1893 | ~$0.4M |
| September 3, 2025 | Black Maria | President & CEO | S | -7 | 299.715 | ~$2K |
| September 3, 2025 | Black Maria | President & CEO | S | -60 | 299.8648 | ~$18K |
| September 3, 2025 | Black Maria | President & CEO | S | -100 | 299.9789 | ~$30K |
| September 3, 2025 | Black Maria | President & CEO | S | -200 | 299.2765 | ~$60K |
| September 3, 2025 | Black Maria | President & CEO | S | -316 | 296.3829 | ~$94K |
| September 3, 2025 | Black Maria | President & CEO | S | -631 | 298.2444 | ~$0.2M |
| September 3, 2025 | Black Maria | President & CEO | S | -677 | 297.3701 | ~$0.2M |
| September 3, 2025 | Black Maria | President & CEO | S | -845 | 296.3645 | ~$0.3M |
| September 3, 2025 | Black Maria | President & CEO | S | -909 | 298.9535 | ~$0.3M |
| September 3, 2025 | Black Maria | President & CEO | S | -1052 | 298.8197 | ~$0.3M |
| September 3, 2025 | Black Maria | President & CEO | S | -1159 | 298.079 | ~$0.3M |
| September 3, 2025 | Black Maria | President & CEO | S | -1176 | 298.1085 | ~$0.4M |
| September 3, 2025 | Black Maria | President & CEO | S | -1300 | 299.4002 | ~$0.4M |
| September 3, 2025 | Black Maria | President & CEO | S | -2315 | 297.8546 | ~$0.7M |
| September 3, 2025 | Black Maria | President & CEO | S | -4307 | 298.3234 | ~$1.3M |
| September 3, 2025 | Black Maria | President & CEO | S | -6689 | 298.5222 | ~$2.0M |
| September 3, 2025 | Rodriguez Carlos A | — | 4 reported sale rows | 11701 | — | ~$3.5M |
| September 3, 2025 | Rodriguez Carlos A | — | S | -800 | 296.3607 | ~$0.2M |
| September 3, 2025 | Rodriguez Carlos A | — | S | -1309 | 299.3674 | ~$0.4M |
| September 3, 2025 | Rodriguez Carlos A | — | S | -2585 | 297.8293 | ~$0.8M |
| September 3, 2025 | Rodriguez Carlos A | — | S | -7007 | 298.5437 | ~$2.1M |
| September 3, 2025 | Foskett David | Corp. VP | S | -1373 | 296.57 | ~$0.4M |
| September 3, 2025 | DeSilva Joseph | Executive VP | S | -4614 | 296.57 | ~$1.4M |
| September 3, 2025 | McGuire Don | Corp VP | S | -13599 | 296.57 | ~$4.0M |
| September 2, 2025 | Foskett David | Corp. VP | S | -1043 | 301.1301 | ~$0.3M |
| September 2, 2025 | Black Maria | President & CEO | 4 reported sale rows | 7721 | — | ~$2.3M |
| September 2, 2025 | Black Maria | President & CEO | S | -2228 | 299.5828 | ~$0.7M |
| September 2, 2025 | Black Maria | President & CEO | S | -638 | 302.0154 | ~$0.2M |
| September 2, 2025 | Black Maria | President & CEO | S | -3177 | 299.0418 | ~$1.0M |
| September 2, 2025 | Black Maria | President & CEO | S | -1678 | 301.2903 | ~$0.5M |
| September 2, 2025 | DeSilva Joseph | Executive VP | S | -1987 | 301.64 | ~$0.6M |
| July 1, 2025 | Michaud Brian L. | Corp VP | S | -206 | 308.18 | ~$63K |
| June 13, 2025 | DeSilva Joseph | Corp VP | S | -1381 | 307.07 | ~$0.4M |
| May 12, 2025 | D'Ambrosio Christopher | Corp. VP | S | -472 | 311.82 | ~$0.1M |
| April 10, 2025 | D'Ambrosio Christopher | Corp. VP | S | -478 | 293.14 | ~$0.1M |
| April 1, 2025 | Michaud Brian L. | Corp VP | S | -1500 | 305.38 | ~$0.5M |
| March 10, 2025 | D'Ambrosio Christopher | Corp. VP | S | -473 | 306.2 | ~$0.1M |
| February 10, 2025 | D'Ambrosio Christopher | Corp. VP | S | -471 | 308.24 | ~$0.1M |
| February 3, 2025 | Bonarti Michael A | Corporate Vice President | S | -30131 | 303.3 | ~$9.1M |
| February 3, 2025 | Lehberger Jonathan S | Corp. VP | S | -2324 | 303.3 | ~$0.7M |
| January 13, 2025 | Foskett David | Corp. VP | S | -1067 | 286.1496 | ~$0.3M |
| January 13, 2025 | Magliulo Virginia | Corp VP | S | -3578 | 285.5 | ~$1.0M |
| January 6, 2025 | Foskett David | Corp. VP | S | -1004 | 289.2861 | ~$0.3M |
| January 6, 2025 | Kwon David | Corp VP | S | -300 | 289.15 | ~$87K |
| January 6, 2025 | Magliulo Virginia | Corp VP | S | -2065 | 289.15 | ~$0.6M |
| January 3, 2025 | Black Maria | President & CEO | 2 reported sale rows | 721 | — | ~$0.2M |
| January 3, 2025 | Black Maria | President & CEO | S | -202 | 290.9047 | ~$59K |
| January 3, 2025 | Black Maria | President & CEO | S | -519 | 291.8506 | ~$0.2M |
| January 3, 2025 | Ayala John | Corp. VP | 2 reported sale rows | 10720 | — | ~$3.1M |
| January 3, 2025 | Ayala John | Corp. VP | S | -3000 | 290.73 | ~$0.9M |
| January 3, 2025 | Ayala John | Corp. VP | S | -7720 | 290.73 | ~$2.2M |
| January 3, 2025 | Kwon David | Corp VP | S | -1016 | 290.73 | ~$0.3M |
| January 2, 2025 | Michaud Brian L. | Corp VP | S | -362 | 293.83 | ~$0.1M |
| January 2, 2025 | Lehberger Jonathan S | Corp. VP | 2 reported sale rows | 2479 | — | ~$0.7M |
| January 2, 2025 | Lehberger Jonathan S | Corp. VP | S | -1577 | 293.83 | ~$0.5M |
| January 2, 2025 | Lehberger Jonathan S | Corp. VP | S | -902 | 293.83 | ~$0.3M |
| January 2, 2025 | McGuire Don | Corp VP | 2 reported sale rows | 8664 | — | ~$2.5M |
| January 2, 2025 | McGuire Don | Corp VP | S | -2635 | 293.83 | ~$0.8M |
| January 2, 2025 | McGuire Don | Corp VP | S | -6029 | 293.83 | ~$1.8M |
| January 2, 2025 | Kwon David | Corp VP | 2 reported sale rows | 1946 | — | ~$0.6M |
| January 2, 2025 | Kwon David | Corp VP | S | -1077 | 293.83 | ~$0.3M |
| January 2, 2025 | Kwon David | Corp VP | S | -869 | 293.83 | ~$0.3M |
| January 2, 2025 | DeSilva Joseph | Corp VP | 2 reported sale rows | 6516 | — | ~$1.9M |
| January 2, 2025 | DeSilva Joseph | Corp VP | S | -5960 | 293.83 | ~$1.8M |
| January 2, 2025 | DeSilva Joseph | Corp VP | S | -556 | 293.83 | ~$0.2M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | 6 reported sale rows | 38975 | — | ~$11.7M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -11904 | 300 | ~$3.6M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -11547 | 300 | ~$3.5M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -7469 | 300 | ~$2.2M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -6609 | 300 | ~$2.0M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -1042 | 300 | ~$0.3M |
| November 6, 2024 | KUTAM SREENIVASA | Corp VP | S | -404 | 300 | ~$0.1M |
| September 17, 2024 | Kwon David | Corp VP | S | -100 | 280 | ~$28K |
| September 17, 2024 | DeSilva Joseph | Corp VP | S | -1383 | 280 | ~$0.4M |
| September 13, 2024 | Rodriguez Carlos A | — | 3 reported sale rows | 21950 | — | ~$6.1M |
| September 13, 2024 | Rodriguez Carlos A | — | S | -2383 | 278.372 | ~$0.7M |
| September 13, 2024 | Rodriguez Carlos A | — | S | -2300 | 276.8347 | ~$0.6M |
| September 13, 2024 | Rodriguez Carlos A | — | S | -17267 | 277.7033 | ~$4.8M |
| September 12, 2024 | Rodriguez Carlos A | — | 5 reported sale rows | 21949 | — | ~$6.1M |
| September 12, 2024 | Rodriguez Carlos A | — | S | -3000 | 274.492 | ~$0.8M |
| September 12, 2024 | Rodriguez Carlos A | — | S | -2293 | 276.5398 | ~$0.6M |
| September 12, 2024 | Rodriguez Carlos A | — | S | -3791 | 277.6923 | ~$1.1M |
| September 12, 2024 | Rodriguez Carlos A | — | S | -5402 | 275.5649 | ~$1.5M |
| September 12, 2024 | Rodriguez Carlos A | — | S | -7463 | 278.3928 | ~$2.1M |
| September 11, 2024 | Rodriguez Carlos A | — | 7 reported sale rows | 29433 | — | ~$8.1M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -5460 | 275.4621 | ~$1.5M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -3867 | 271.3437 | ~$1.0M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -7051 | 276.7239 | ~$2.0M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -2787 | 273.4815 | ~$0.8M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -1942 | 272.4454 | ~$0.5M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -3994 | 277.4348 | ~$1.1M |
| September 11, 2024 | Rodriguez Carlos A | — | S | -4332 | 274.5059 | ~$1.2M |
| September 10, 2024 | Rodriguez Carlos A | — | 4 reported sale rows | 29432 | — | ~$8.2M |
| September 10, 2024 | Rodriguez Carlos A | — | S | -6334 | 279.1053 | ~$1.8M |
| September 10, 2024 | Rodriguez Carlos A | — | S | -6940 | 276.3301 | ~$1.9M |
| September 10, 2024 | Rodriguez Carlos A | — | S | -7382 | 278.2523 | ~$2.1M |
| September 10, 2024 | Rodriguez Carlos A | — | S | -8776 | 277.262 | ~$2.4M |
| September 9, 2024 | Ayala John | Corp. VP | 3 reported sale rows | 29514 | — | ~$8.0M |
| September 9, 2024 | Ayala John | Corp. VP | S | -10367 | 269.7 | ~$2.8M |
| September 9, 2024 | Ayala John | Corp. VP | S | -11427 | 269.7 | ~$3.1M |
| September 9, 2024 | Ayala John | Corp. VP | S | -7720 | 269.7 | ~$2.1M |
| September 9, 2024 | Bonarti Michael A | Corporate Vice President | S | -3852 | 269.7 | ~$1.0M |
| September 6, 2024 | Rodriguez Carlos A | — | 4 reported sale rows | 9203 | — | ~$2.5M |
| September 6, 2024 | Rodriguez Carlos A | — | S | -2535 | 268.7491 | ~$0.7M |
| September 6, 2024 | Rodriguez Carlos A | — | S | -5149 | 269.4748 | ~$1.4M |
| September 6, 2024 | Rodriguez Carlos A | — | S | -500 | 270.956 | ~$0.1M |
| September 6, 2024 | Rodriguez Carlos A | — | S | -1019 | 270.3631 | ~$0.3M |