Automatic Data Processing, Inc. (ADP) Insider Trading

Over the last 3 months, ADP insiders made 1 open-market buy and 3 sales, a net purchase of $346K (SEC Form 4). Over the last 6 months, 1612 institutions increased and 2058 reduced their position (13F).

Insider Activity

Sentiment
65/100
Buys (3m)
1
Sells (3m)
3
Net (3m)
$346.3K
Insiders buying
Insider trades by month Buys Sells
Sep
Jan
Feb
Mar
Apr
May
Context3-month price +3.9%Institutions reducing (13F)
DateInsiderTypeSharesPrice
May 11, 2026Michaud Brian L.officer: Executive VPSell848$212.13
May 11, 2026SWAN ROBERT HOLMESdirectorBuy3,619$206.05
Apr 15, 2026D'Ambrosio Christopherofficer: Corp. VPSell543$195.74
Mar 17, 2026D'Ambrosio Christopherofficer: Corp. VPSell543$208.45
Feb 18, 2026D'Ambrosio Christopherofficer: Corp. VPSell543$212.43
Feb 9, 2026Foskett Davidofficer: Corp. VPSell266$237.00
Feb 9, 2026Michaud Brian L.officer: Executive VPSell1,000$234.18
Feb 3, 2026Michaud Brian L.officer: Executive VPTax132$246.82
Feb 3, 2026Foskett Davidofficer: Corp. VPTax586$246.82
Jan 14, 2026KUTAM SREENIVASAofficer: Corp VPTax85$266.02
Jan 14, 2026Kwon Davidofficer: Corp VPSell806$264.80
Jan 14, 2026D'Ambrosio Christopherofficer: Corp. VPSell543$262.29
Jan 8, 2026Kwon Davidofficer: Corp VPOption1,137$138.53
Jan 8, 2026Kwon Davidofficer: Corp VPSell900$260.00
Jan 6, 2026Black Mariaofficer: President & CEOSell98$258.77
Jan 6, 2026Black Mariaofficer: President & CEOSell56$255.73
Jan 6, 2026Black Mariaofficer: President & CEOSell51$253.32
Jan 6, 2026Black Mariaofficer: President & CEOSell294$258.09
Jan 6, 2026Black Mariaofficer: President & CEOSell145$257.24
Jan 6, 2026Black Mariaofficer: President & CEOSell71$254.95
Jan 5, 2026Black Mariaofficer: President & CEOTax435$257.23
Dec 15, 2025KUTAM SREENIVASAofficer: Corp VPTax163$266.10
Dec 15, 2025Kwon Davidofficer: Corp VPTax51$266.10
Dec 15, 2025Michaud Brian L.officer: Executive VPTax37$266.10
Dec 15, 2025Bonarti Michael Aofficer: Corporate Vice PresidentTax117$266.10
Nov 14, 2025Katsoudas Francine SdirectorGrant1,453—
Nov 14, 2025LYNCH THOMAS JdirectorGrant2,239—
Nov 14, 2025Lynch Karen SdirectorGrant1,453—
Nov 14, 2025POWERS SCOTT FdirectorGrant1,531—
Nov 14, 2025Rodriguez Carlos AdirectorGrant1,453—

Source: ADP SEC Form 4 filings, latest May 11, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ADP positions over the last 6 months (SEC Form 13F).

Increased
1612
New positions
384
Reduced
2058
Sold out
459
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced41.6MJan 29, 2026
BLACKROCK, INC.Increased36.5MFeb 12, 2026
BLACKROCK, INC.Reduced35.5MMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position26.2MMay 15, 2026
STATE STREET CORPIncreased19.3MMay 15, 2026
STATE STREET CORPIncreased18.9MFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased12.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased11.6MFeb 9, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INCIncreased11.6MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position11.1MMay 8, 2026
MORGAN STANLEYReduced10.3MFeb 13, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased10.1MMay 15, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased8.6MMay 13, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased8.4MFeb 11, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased7.4MFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

← Back to ADP overview (price, financials, earnings)