Automatic Data Processing, Inc. (ADP)
Nasdaq: ADP · Services-Computer Processing & Data Preparation · Roseland, NJ · filing with the SEC since 1994
Grade6.3
◀ Past 7.3● Present 6.6▶ Future 5.0
Who owns Automatic Data Processing, Inc.
As filed with the SECHolders of 5% or more
2
Vanguard Capital Management holds 7.51% of Common Stock, as its SCHEDULE 13G filed Apr 29, 2026 says.
Directors and officers
28
report now, of 55 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
State Street Corporation
SCHEDULE 13G · filed Aug 7, 2026 · COMMON STOCK
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 10.1% in Feb 7, 2025
What ADP reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
WorkForce Software
A company bought · acquisition · Oct 2024 · owns, named in the 10-K filed Aug 5, 2026
48 subsidiaries in 8 countries, from the list filed with the 10-K filed Aug 5, 2026.
Insider tradesForm 4
69sales
1purchases
69sales on a scheduled plan
10people selling
$23.7Msold, in dollars
$700,000bought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window11 of 55 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Black Maria | President & CEO | 20 | $8.6M | 20 | 0 | $0 |
| Bonarti Michael A | Corporate Vice President | 2 | $4.4M | 2 | 0 | $0 |
| Rodriguez Carlos A | Executive Chair | 26 | $4.2M | 26 | 0 | $0 |
| Desilva Joseph | Executive VP | 2 | $2.0M | 2 | 0 | $0 |
| Kwon David | Corp VP | 6 | $1.3M | 6 | 0 | $0 |
| Magliulo Virginia | Executive VP | 2 | $1.1M | 2 | 0 | $0 |
| D'Ambrosio Christopher | Corp. VP | 5 | $1.0M | 5 | 0 | $0 |
| Foskett David | Corp. VP | 2 | $500,000 | 2 | 0 | $0 |
| Michaud Brian L. | Executive VP | 3 | $400,000 | 3 | 0 | $0 |
| Lehberger Jonathan S | Corp. VP | 1 | $200,000 | 1 | 0 | $0 |
| Swan Robert Holmes | director | 0 | $0 | 0 | 1 | $700,000 |