Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of AUTOMATIC DATA PROCESSING INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000008670.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
05 Aug 2026
- Public ticker
- ADP on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
05 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000008670
- Issuer location
- Roseland, NJ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of AUTOMATIC DATA PROCESSING INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
05 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.5%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
7.5%
STATE STREET CORP
5.1%
Maria Black
0.03%
Carlos A. Rodriguez
0.02%
Sreenivasa Kutam
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.5%
|
$6,149,346,931
30,265,513 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
5.1%
|
$5,124,152,177
20,410,883 shares
|
$0 | 30 Jun 2026 |
| Maria Black |
3/4/5
President & CEO
|
0.03%
|
$26,865,183
119,961 shares
|
-$9,541,401 | 05 Aug 2026 |
| Carlos A. Rodriguez |
3/4/5
Director
|
0.02%
|
$13,764,669
61,463 shares
|
-$24,745,417 | 05 Aug 2026 |
| Sreenivasa Kutam |
3/4/5
Corp VP
|
0.01%
|
$11,593,708
51,769 shares
|
— | 05 Aug 2026 |
| Joseph DeSilva |
3/4/5
Executive VP
|
0.01%
|
$6,351,266
28,360 shares
|
-$1,967,733 | 05 Aug 2026 |
| Peter Bisson |
3/4/5
Director
|
0.01%
|
$6,682,701
22,769 shares
|
— | 12 Nov 2025 |
| Sandra S. Wijnberg |
3/4/5
Director
|
0.01%
|
$6,018,217
20,505 shares
|
— | 12 Nov 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$45,088,119.
Buys
$745,695
Insiders: 1
Sells
$45,833,814
Insiders: 9
Net
-$45,088,119
Shares: -152,213
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 3,619
Shares: 155,832
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 2,414 | $0 | $641,207 | -$641,207 |
| 3-6 | 3,619 | 1,934 | $745,695 | $399,361 | +$346,334 |
| 6-9 | 0 | 4,773 | $0 | $1,186,304 | -$1,186,304 |
| 9-12 | 0 | 146,711 | $0 | $43,606,942 | -$43,606,942 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 41-41 of 41 reporting-owner rows connected to AUTOMATIC DATA PROCESSING INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
41
Largest Forms 3/4/5 holder
Maria Black
Net 12M change
-$45,088,117
Latest report
05 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Karen S. Lynch | Director | $450,522 | Mixed | 12 Nov 2025 |
Recent insider transactions for AUTOMATIC DATA PROCESSING INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Carlos A. Rodriguez | ADP | Common Stock | Award | 109.6% | 24,922 | 47,650 | 05 Aug 2026 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Award | 27.9% | 4,050 | 18,562 | 05 Aug 2026 | Direct | ||
| Virginia Magliulo | ADP | Common Stock | Award | 29.8% | 4,050 | 17,643 | 05 Aug 2026 | Direct | ||
| Jonathan S. Lehberger | ADP | Common Stock | Award | 16.6% | 747 | 5,235 | 05 Aug 2026 | Direct | ||
| David Kwon | ADP | Common Stock | Award | 31.4% | 3,114 | 13,024 | 05 Aug 2026 | Direct | ||
| Sreenivasa Kutam | ADP | Common Stock | Award | 27.2% | 11,083 | 51,769 | 05 Aug 2026 | Direct | ||
| Peter J. Hadley | ADP | Common Stock | Award | 13.5% | 1,479 | 12,400 | 05 Aug 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Award | 24.1% | 2,647 | 13,650 | 05 Aug 2026 | Direct | ||
| Joseph DeSilva | ADP | Common Stock | Award | 62.4% | 10,903 | 28,360 | 05 Aug 2026 | Direct | ||
| Christopher D'Ambrosio | ADP | Common Stock | Award | 31.1% | 2,601 | 10,970 | 05 Aug 2026 | Direct | ||
| Michael A. Bonarti | ADP | Common Stock | Award | 14.4% | 11,573 | 91,987 | 05 Aug 2026 | Direct | ||
| Paul Boland | ADP | Common Stock | Award | 65.2% | 4,672 | 11,833 | 05 Aug 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Award | 59.7% | 44,859 | 119,961 | 05 Aug 2026 | Direct | ||
| David Kwon | ADP | Common Stock | Options Exercise | 2.59% | 250 | 9,910 | 31 Jul 2026 | Direct | ||
| David Kwon | ADP | Stock Option (Right to Buy) | Options Exercise | -18% | -250 | 1,137 | 31 Jul 2026 | Direct | ||
| David Kwon | ADP | Common Stock | Sale | -20% | $641,207 | $265.62 | -2,414 | 9,660 | 30 Jul 2026 | Direct |
| David Kwon | ADP | Common Stock | Options Exercise | 7.93% | 887 | 12,074 | 30 Jul 2026 | Direct | ||
| David Kwon | ADP | Stock Option (Right to Buy) | Options Exercise | -39% | -887 | 1,387 | 30 Jul 2026 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.34% | 49.43 | 14,512 | 01 Jul 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.45% | 49.43 | 11,003 | 01 Jul 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.07% | 49.43 | 75,101 | 01 Jul 2026 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Sale | -5.54% | $179,886 | $212.13 | -848 | 14,462 | 08 May 2026 | Direct |
| Robert Holmes Swan | ADP | Common Stock | Purchase | 249.1% | $745,695 | $206.05 | 3,619 | 5,072 | 07 May 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -6.09% | $106,287 | $195.74 | -543 | 8,369 | 14 Apr 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.74% | $113,188 | $208.45 | -543 | 8,912 | 16 Mar 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.43% | $115,349 | $212.43 | -543 | 9,455 | 17 Feb 2026 | Direct |
| Brian L. Michaud | ADP | Common Stock | Sale | -6.13% | $234,180 | $234.18 | -1,000 | 15,310 | 06 Feb 2026 | Direct |
| David Foskett | ADP | Common Stock | Sale | -2.37% | $63,042 | $237.00 | -266 | 10,954 | 05 Feb 2026 | Direct |
| Brian L. Michaud | ADP | Common Stock | Tax liability | -0.8% | -132 | 16,310 | 02 Feb 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Tax liability | -4.96% | -586 | 11,220 | 30 Jan 2026 | Direct | ||
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.15% | $142,423 | $262.29 | -543 | 9,998 | 13 Jan 2026 | Direct |
| David Kwon | ADP | Common Stock | Sale | -6.72% | $213,429 | $264.80 | -806 | 11,187 | 12 Jan 2026 | Direct |
| Sreenivasa Kutam | ADP | Common Stock | Tax liability | -0.21% | -84.59 | 40,686 | 12 Jan 2026 | Direct | ||
| David Kwon | ADP | Common Stock | Sale | -6.98% | $234,000 | $260.00 | -900 | 11,993 | 06 Jan 2026 | Direct |
| David Kwon | ADP | Common Stock | Options Exercise | 9.67% | 1,137 | 12,893 | 06 Jan 2026 | Direct | ||
| David Kwon | ADP | Stock Option (Right to Buy) | Options Exercise | -33.3% | -1,137 | 2,274 | 06 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Sale | -0.94% | $183,880 | $257.17 | -715 | 75,052 | 05 Jan 2026 | Direct |
| Joseph DeSilva | ADP | Common Stock | Gift | -0.44% | -78 | 17,458 | 02 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Tax liability | -0.57% | -435 | 75,767 | 02 Jan 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.21% | 24.55 | 11,805 | 01 Jan 2026 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.25% | 40.98 | 16,442 | 01 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.05% | 40.98 | 76,202 | 01 Jan 2026 | Direct | ||
| Sreenivasa Kutam | ADP | Common Stock | Tax liability | -0.4% | -163 | 40,770 | 12 Dec 2025 | Direct | ||
| David Kwon | ADP | Common Stock | Tax liability | -0.43% | -50.58 | 11,756 | 12 Dec 2025 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Tax liability | -0.22% | -36.83 | 16,401 | 12 Dec 2025 | Direct | ||
| Michael A. Bonarti | ADP | Common Stock | Tax liability | -0.15% | -117 | 80,414 | 12 Dec 2025 | Direct | ||
| Linnie M. Haynesworth | ADP | Common Stock | Award | 15.8% | 942 | 6,891 | 12 Nov 2025 | Direct | ||
| Francine S. Katsoudas | ADP | Common Stock | Award | 14.3% | 1,453 | 11,634 | 12 Nov 2025 | Direct | ||
| David Goeckeler | ADP | Common Stock | Award | 27.9% | 1,453 | 6,662 | 12 Nov 2025 | Direct | ||
| Peter Bisson | ADP | Common Stock | Award | 7.16% | 1,521 | 22,769 | 12 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.