Michael A. Bonarti

CIK: 0001487699

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (20.0%)

Position reduction

Option Exercises (M)2 (13.3%)

Derivative conversions

Awards (A)5 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ADP

AUTOMATIC DATA PROCESSING INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

ADP
AUTOMATIC DATA PROCESSING INC
Sep 1, 2026
Award(A)
Direct
5.1K shares-
ADP
AUTOMATIC DATA PROCESSING INC
Sep 1, 2026
Tax Payment(F)
Direct
7.7K shares at avg. $283.49$2.2M
ADP
AUTOMATIC DATA PROCESSING INC
Aug 5, 2026
Award(A)
Direct
11.6K shares-
ADP
AUTOMATIC DATA PROCESSING INC
Dec 12, 2025
Tax Payment(F)
Direct
117 shares at avg. $266.10$31K
ADP
AUTOMATIC DATA PROCESSING INC
Sep 9, 2025
Sale(S)
Direct
8.7K shares at avg. $298.43$2.6M
ADP
AUTOMATIC DATA PROCESSING INC
Sep 2, 2025
Tax Payment(F)
Direct
9K shares at avg. $304.05$2.7M
ADP
AUTOMATIC DATA PROCESSING INC
Sep 1, 2025
Award(A)
Direct
3.8K shares-
ADP
AUTOMATIC DATA PROCESSING INC
Aug 6, 2025
Award(A)
Direct
14.2K shares-
ADP
AUTOMATIC DATA PROCESSING INC
Feb 3, 2025
Sale(S)
Direct
30.1K shares at avg. $303.30$9.1M
ADP
AUTOMATIC DATA PROCESSING INC
Feb 3, 2025
Exercise(M)
Direct
20.4K shares at avg. $206.86$4.2M
ADP
AUTOMATIC DATA PROCESSING INC
Feb 3, 2025
Exercise(M)
Direct
9.7K shares at avg. $138.53$1.3M
ADP
AUTOMATIC DATA PROCESSING INC
Dec 13, 2024
Tax Payment(F)
Direct
112 shares at avg. $296.76$33K
ADP
AUTOMATIC DATA PROCESSING INC
Sep 9, 2024
Sale(S)
Direct
3.9K shares at avg. $269.70$1.0M
ADP
AUTOMATIC DATA PROCESSING INC
Sep 3, 2024
Tax Payment(F)
Direct
8K shares at avg. $275.91$2.2M
ADP
AUTOMATIC DATA PROCESSING INC
Sep 1, 2024
Award(A)
Direct
3.8K shares-

		Type	Shares	Price		Ownership
Sep 1, 2026	ADP AUTOMATIC DATA PROCESSING INC	Award(A)	5,076	-	$0	Direct
Sep 1, 2026	ADP AUTOMATIC DATA PROCESSING INC	Tax Payment(F)	7,727	$283.49	$2,190,512	Direct
Aug 5, 2026	ADP AUTOMATIC DATA PROCESSING INC	Award(A)	11,573	-	$0	Direct
Dec 12, 2025	ADP AUTOMATIC DATA PROCESSING INC	Tax Payment(F)	117	$266.10	$31,133	Direct
Sep 9, 2025	ADP AUTOMATIC DATA PROCESSING INC	Sale(S)	8,728	$298.43	$2,604,697	Direct
Sep 2, 2025	ADP AUTOMATIC DATA PROCESSING INC	Tax Payment(F)	9,031	$304.05	$2,745,858	Direct
Sep 1, 2025	ADP AUTOMATIC DATA PROCESSING INC	Award(A)	3,817	-	-	Direct
Aug 6, 2025	ADP AUTOMATIC DATA PROCESSING INC	Award(A)	14,202	-	-	Direct
Feb 3, 2025	ADP AUTOMATIC DATA PROCESSING INC	Sale(S)	30,131	$303.30	$9,138,732	Direct
Feb 3, 2025	ADP AUTOMATIC DATA PROCESSING INC	Exercise(M)	20,435	$206.86	$4,227,184	Direct
Feb 3, 2025	ADP AUTOMATIC DATA PROCESSING INC	Exercise(M)	9,696	$138.53	$1,343,187	Direct
Dec 13, 2024	ADP AUTOMATIC DATA PROCESSING INC	Tax Payment(F)	112	$296.76	$33,237	Direct
Sep 9, 2024	ADP AUTOMATIC DATA PROCESSING INC	Sale(S)	3,852	$269.70	$1,038,884	Direct
Sep 3, 2024	ADP AUTOMATIC DATA PROCESSING INC	Tax Payment(F)	8,013	$275.91	$2,210,867	Direct
Sep 1, 2024	ADP AUTOMATIC DATA PROCESSING INC	Award(A)	3,823	-	$0	Direct

1-15 of 15 transactions

About Bonarti Michael A

Bonarti Michael A (SEC CIK 0001487699) files insider reports with the SEC as Corporate Vice President of AUTOMATIC DATA PROCESSING INC (ADP).

Signal8 holds 10 ownership filings by Bonarti Michael A, all Form 4s, filed between Sep 4, 2024 and Sep 3, 2026. Those filings report 15 transactions, from Sep 1, 2024 to Sep 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bonarti Michael A's filings is in ROSELAND, NJ.

Recent filings by Bonarti Michael A

Sep 1, 2026: Grant or award of ADP shares (Form 4, code A).
Sep 1, 2026: Tax withholding of ADP shares (Form 4, code F).
Aug 5, 2026: Grant or award of ADP shares (Form 4, code A).
Dec 12, 2025: Tax withholding of ADP shares (Form 4, code F).
Sep 9, 2025: Open-market sale of ADP shares (Form 4, code S).

Other insiders filing for AUTOMATIC DATA PROCESSING INC (ADP)

Magliulo Virginia, Executive VP
Sugla Vishwas, Chief Strategy Officer
DeSilva Joseph, Executive VP
Rodriguez Carlos A, Director
Orihuela Samantha D, Chief Marketing Officer
Michaud Brian L., Executive VP

How to read Form 4 transaction codes