Automatic Data Processing Inc
ADP- Exchange
- Nasdaq
- Industry
- Services-Computer Processing & Data Preparation
- SEC CIK
- 0000008670
In the last 90 days, Automatic Data Processing Inc insiders filed 0 open-market purchases and 14 sales; 2,302 institutions reported holding it in 13F filings for Q2 2026, worth $79.3B in total; superinvestors Fundsmith and Giverny Capital hold it.
Holders of 5% or more of ADP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Automatic Data Processing Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.51%30.3M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Automatic Data Processing Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 10, 20266:33 AM ET | State Street Corp | 13G | 4.90%19.6M shares | −0.20 ppfrom 5.10%Below 5% | Sep 30, 2026 | SEC |
| Aug 7, 20268:43 AM ET | State Street Corp | 13G | 5.10%20.4M shares | New | Jun 30, 2026 | SEC |
| Apr 29, 20265:12 PM ET | Vanguard Capital Management LLC | 13G | 7.51%30.3M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20264:09 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −10.07 ppfrom 10.07%Below 5% | Mar 13, 2026 | SEC |
| Feb 7, 202511:47 AM ET | Vanguard Group Inc | 13G/A | 10.07%41.0M shares | – | Jan 31, 2025 | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20244:59 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 7, 20232:10 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 31, 20225:59 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 28, 20215:55 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
122 notices from officers, directors and other affiliates planning to sell Automatic Data Processing Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 5, 202612:36 PM ET | Magliulo VirginiaOfficer | 852 | $264.1K | Nov 5, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 5, 202612:25 PM ET | Bonarti Michael AOfficer | 6.81K | $2.11M | Nov 5, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 4, 20264:15 PM ET | Rodriguez Carlos ADirector | 2.63K | $797.6K | Nov 4, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 4, 202611:09 AM ET | Lehberger Jonathan SOfficer | 770 | $231.3K | Nov 4, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 2, 20264:47 PM ET | Rodriguez Carlos ADirector | 11.3K | $3.39M | Nov 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 2, 20262:54 PM ET | Bonarti Michael AOfficer | 7.49K | $2.25M | Nov 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Oct 30, 202610:13 AM ET | Magliulo VirginiaOfficer | 2.93K | $859.7K | Oct 30, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 3, 202610:50 AM ET | DeSilva JosephOfficer | 631 | $178.5K | Sep 3, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 2, 202611:42 AM ET | D'Ambrosio ChristopherOfficer | 1.87K | $529.8K | Sep 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 2, 202611:36 AM ET | Black MariaOfficer · Director | 29.8K | $8.44M | Sep 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 2, 202611:30 AM ET | Foskett DavidOfficer | 1.53K | $432.7K | Sep 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 2, 202611:12 AM ET | DeSilva JosephOfficer | 6.51K | $1.84M | Sep 2, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 21, 202610:32 AM ET | Michaud Brian L.Officer | 120 | $33.6K | Aug 21, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 20, 20261:42 PM ET | Kwon DavidOfficer | 798 | $223.4K | Aug 20, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jul 30, 202610:14 AM ET | Kwon DavidOfficer | 2.41K | $641.2K | Jul 30, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 8, 20269:54 AM ET | Michaud Brian L.Officer | 848 | $179.9K | May 8, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Apr 14, 202611:01 AM ET | D'Ambrosio ChristopherOfficer | 543 | $106.3K | Apr 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Mar 16, 202610:30 AM ET | D'Ambrosio ChristopherOfficer | 543 | $113.2K | Mar 16, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Feb 17, 20261:55 PM ET | D'Ambrosio ChristopherOfficer | 543 | $115.3K | Feb 17, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Feb 6, 20269:45 AM ET | Michaud Brian L.Officer | 1.00K | $234.2K | Feb 6, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Feb 5, 202610:26 AM ET | Foskett DavidOfficer | 266 | $63.0K | Feb 5, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 13, 20269:42 AM ET | D'Ambrosio ChristopherOfficer | 543 | $142.4K | Jan 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 12, 202610:41 AM ET | Kwon DavidOfficer | 806 | $213.4K | Jan 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 6, 20262:18 PM ET | Kwon DavidOfficer | 900 | $234.0K | Jan 6, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 5, 202610:01 AM ET | Black MariaOfficer · Director | 715 | $180.7K | Jan 5, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
Showing the latest 25. See the ADP notices from the last 12 months