StockCIK 8670
AUTOMATIC DATA PROCESSING INC (ADP): Insider Trades and Fund Holdings
In the past 12 months, AUTOMATIC DATA PROCESSING INC insiders reported 0 open-market purchases worth $0 and 7 sales worth $11.6M; 7 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$11.6MSold by insiders, 12 months
3Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 4, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 4 | Joseph DesilvaVP | ▼ SELL10b5-1 | $178K |
| Sep 3 | Maria BlackCEO | ▼ SELL10b5-1 | $8.37M |
| Sep 3 | Joseph DesilvaVP | ▼ SELL10b5-1 | $1.84M |
| Sep 3 | Christopher D'AmbrosioVP | ▼ SELL10b5-1 | $530K |
| Sep 3 | David FoskettVP | ▼ SELL10b5-1 | $433K |
| Aug 24 | David KwonVP | ▼ SELL10b5-1 | $223K |
| Aug 24 | Brian L. MichaudVP | ▼ SELL10b5-1 | $34K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Joseph Desilva | VP | 0 | $0 | 2 | $2.02M |
| Maria Black | CEO | 0 | $0 | 1 | $8.37M |
| Christopher D'Ambrosio | VP | 0 | $0 | 1 | $530K |
| David Foskett | VP | 0 | $0 | 1 | $433K |
| David Kwon | VP | 0 | $0 | 1 | $223K |
| Brian L. Michaud | VP | 0 | $0 | 1 | $34K |
Tracked funds that report ADP
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Fundsmith | 2,601,567 | $582.6M | ▼ −32.5% |
| Renaissance Technologies | 106,960 | $24.0M | ▼ −83.5% |
| Bridgewater Associates | 11,601 | $2.60M | ▲ New |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →