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Automatic Data Processing ADP

Automatic Data Processing is the 100th largest S&P 500 company by market cap, worth $121 billion. 11 directors have filed with the SEC in the last 12 months (who counts). 14 officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 10.3% of the company.

CEO
Maria Black
Sector
Industrials
Sub-industry
Human Resource & Employment Services
Headquarters
Roseland, New Jersey
Founded
1949
More
Wikipedia
Market cap
$121B
100th largest, 23 Oct 2026 close
Revenue
$21.9B
Fiscal year 2026
Price to sales
5.5
Market cap over revenue
Employees
67,000
10-K, 30 Jun 2026
Market cap per employee
$1.8M
Market cap over employees
Connections
13
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Automatic Data Processing. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 31.0% of Automatic Data Processing.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

11 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (11)
Peter BissonDirectorAlso at GartnerLast filed 14 Nov 2025Director
David GoeckelerDirectorAlso at SandiskLast filed 14 Nov 2025Director
Linnie M. HaynesworthDirectorAlso at Micron Technology and Truist FinancialLast filed 14 Nov 2025Director
Francine S. KatsoudasDirectorLast filed 14 Nov 2025Director
Nazzic S. KeeneDirectorAlso at CaterpillarLast filed 14 Nov 2025Director
Karen S. LynchDirectorAlso at Thermo Fisher ScientificLast filed 14 Nov 2025Director
Thomas J. LynchDirectorAlso at CumminsLast filed 14 Nov 2025Director
Scott F. PowersDirectorAlso at PulteGroupLast filed 14 Nov 2025Director
Carlos A. RodriguezDirectorAlso at MicrosoftDirector
Robert Holmes SwanDirectorAlso at Micron Technology and NikeDirector
Sandra S. WijnbergDirectorAlso at Cognizant and T. Rowe PriceLast filed 14 Nov 2025Director
Officers (14)
Maria BlackPresident & CEOAlso at Delta Air LinesLast filed 3 Sep 2026President & CEO
Peter J. HadleyCFOLast filed 3 Sep 2026CFO
Paul BolandCorp. VPLast filed 3 Sep 2026Corp. VP
Michael A. BonartiCorporate Vice PresidentLast filed 3 Sep 2026Corporate Vice President
Christopher D'AmbrosioCorp. VPLast filed 3 Sep 2026Corp. VP
Joseph DeSilvaExecutive VPLast filed 4 Sep 2026Executive VP
David FoskettCorp. VPLast filed 3 Sep 2026Corp. VP
Sreenivasa KutamCorp VPLast filed 3 Sep 2026Corp VP
David KwonCorp VPLast filed 3 Sep 2026Corp VP
Jonathan S. LehbergerCorp. VPLast filed 3 Sep 2026Corp. VP
Virginia MagliuloExecutive VPLast filed 3 Sep 2026Executive VP
Brian L. MichaudExecutive VPLast filed 3 Sep 2026Executive VP
Samantha D. OrihuelaChief Marketing OfficerLast filed 3 Sep 2026Chief Marketing Officer
Vishwas SuglaChief Strategy OfficerLast filed 10 Sep 2026Chief Strategy Officer

Source: SEC insider filings (Forms 3, 4 and 5), Automatic Data Processing's Form 4 filings 路 All directors and officers

Companies that share people with Automatic Data Processing

Each person's title here, then at the other company.

  • Micron Technology MU
    • Linnie M. Haynesworth: Director here, Director there
    • Robert Holmes Swan: Director here, Director there
  • Caterpillar CAT
    • Nazzic S. Keene: Director here, Director there
  • Cognizant CTSH
    • Sandra S. Wijnberg: Director here, Director there
  • Cummins CMI
    • Thomas J. Lynch: Director here, Director there
  • Delta Air Lines DAL
    • Maria Black: President & CEO here, Director there
  • Gartner IT
    • Peter Bisson: Director here, Director there
  • Microsoft MSFT
    • Carlos A. Rodriguez: Director here, Director there
  • Nike NKE
    • Robert Holmes Swan: Director here, Director there
  • PulteGroup PHM
    • Scott F. Powers: Director here, Director there
  • Sandisk SNDK
    • David Goeckeler: Director here, Chairman & CEO there
  • T. Rowe Price TROW
    • Sandra S. Wijnberg: Director here, Director there
  • Thermo Fisher Scientific TMO
    • Karen S. Lynch: Director here, Director there
  • Truist Financial TFC
    • Linnie M. Haynesworth: Director here, Director there

Source: SEC insider filings 路 See the whole network

Automatic Data Processing's market cap since December 2008

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$121B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 30 Jun 2026

Employees
67,000
As of June 30, 2026 , our global team of associates consisted of approximately 67,000 persons.
Automatic Data Processing Form 10-K

Source: Automatic Data Processing Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $13.8 million of stock in 18 sales and bought $745,695 in 1 purchase in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
3 Sep 2026SaleJoseph DeSilvaExecutive VPExecutive VPSale631$178K
2 Sep 2026SaleMaria BlackPresident & CEOPresident & CEOSale29,810$8.4M
2 Sep 2026SaleJoseph DeSilvaExecutive VPExecutive VPSale6,512$1.8M
2 Sep 2026SaleChristopher D'AmbrosioCorp. VPCorp. VPSale1,872$530K
2 Sep 2026SaleDavid FoskettCorp. VPCorp. VPSale1,529$433K
21 Aug 2026SaleBrian L. MichaudExecutive VPExecutive VPSale120$34K
20 Aug 2026SaleDavid KwonCorp VPCorp VPSale798$223K
30 Jul 2026SaleDavid KwonCorp VPCorp VPSale2,414$641K
8 May 2026SaleBrian L. MichaudExecutive VPExecutive VPSale848$180K
7 May 2026BuyRobert Holmes SwanDirectorDirectorBuy3,619$746K

Showing 10 of 19 trades

Source: SEC insider transactions data sets, Automatic Data Processing's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

15 people disclosed 22 purchases and 24 sales of Automatic Data Processing stock since October 2023.

DateMember or officialTypeAmount
30 Jul 2026Richard Dean McCormick (House, R-GA)House, R-GA 路 SoldSale$1,001 to $15,000$1K to $15K
17 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$15,001 to $50,000$15K to $50K
16 Jun 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
18 May 2026Donald J Trump (President)President 路 SoldSale$100,001 to $250,000$100K to $250K
11 May 2026Donald J Trump (President)President 路 BoughtPurchase$50,001 to $100,000$50K to $100K
14 Apr 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
13 Apr 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$15,001 to $50,000$15K to $50K
10 Apr 2026Donald J Trump (President)President 路 SoldSale$100,001 to $250,000$100K to $250K
27 Mar 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 BoughtPurchase$1,001 to $15,000$1K to $15K
23 Mar 2026Jared Moskowitz (House, D-FL)House, D-FL 路 SoldSale$1,001 to $15,000$1K to $15K

Showing 10 of 46 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

WARN layoff notices

Notices filed under Automatic Data Processing's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

Automatic Data Processing filed 2 notices covering 169 workers since October 2023.

NoticePlaceWorkersEffective
1 Jun 2026Roseland, NJ7625 Sep 2026
1 Jun 2024Roseland, NJ9310 Sep 2024

Source: State WARN notices via the US layoffs tracker