Updated Jul 16, 2026 · Last SEC filing 2026-07-02
AUTOMATIC DATA PROCESSING INC (ADP) has filed 5 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 3 Form 8-K material event filings were reported by ADP in the last 90 days. 1 Form 144 notices of proposed sale were filed for ADP stock. InsiderAlpha tracks every ADP SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000008670 |
|---|
| Form 4 filings (90d) | 5 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Michaud Brian L. | Executive VP | J — Other acquisition / disposition | 49 | $223.94 | $11K | SEC | |
| Foskett David | Corp. VP | J — Other acquisition / disposition | 49 | $223.94 | $11K | SEC | |
| Black Maria | President & CEO | J — Other acquisition / disposition | 49 | $223.94 | $11K | SEC | |
| Michaud Brian L. | Executive VP | S — Open-market sale | 848 | $212.13 | $180K | SEC | |
| SWAN ROBERT HOLMES | Director | P — Open-market purchase | 3.6K | $206.05 | $746K | SEC | |
| D'Ambrosio Christopher | Corp. VP | S — Open-market sale | 543 | $195.74 | $106K | SEC | |
| D'Ambrosio Christopher | Corp. VP | S — Open-market sale [10b5-1] | 543 | $208.45 | $113K | SEC | |
| D'Ambrosio Christopher | Corp. VP | S — Open-market sale [10b5-1] | 543 | $212.43 | $115K | SEC | |
| Michaud Brian L. | Executive VP | S — Open-market sale [10b5-1] | 1.0K | $234.18 | $234K | SEC | |
| Foskett David | Corp. VP | S — Open-market sale [10b5-1] | 266 | $237.00 | $63K | SEC | |
| Michaud Brian L. | Executive VP | F — Tax withholding / forfeiture | 132 | $246.82 | $33K | SEC | |
| Foskett David | Corp. VP | F — Tax withholding / forfeiture | 586 | $246.82 | $145K | SEC | |
| Rodriguez Carlos A | Director | S — Open-market sale | 52 | $294.41 | $15K | SEC | |
| Rodriguez Carlos A | Director | S — Open-market sale | 230 | $292.81 | $67K | SEC | |
| Rodriguez Carlos A | Director | S — Open-market sale | 7 | $296.94 | $2K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for AUTOMATIC DATA PROCESSING INC (ADP). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Michaud Brian L. | 2 | $191K |
| SWAN ROBERT HOLMES | 1 | $746K |
| Black Maria | 1 | $11K |
| Foskett David | 1 | $11K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ADP insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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