Stephen M. Mason

CIK: 0001786065

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (46.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (26.7%)

Compensation grants

Other (G, F, J, C, D, …)4 (26.7%)

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

Companies & Roles (1)

CAH

CARDINAL HEALTH INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

CAH
CARDINAL HEALTH INC
Aug 18, 2026
Sale(S)
Direct
12.8K shares at avg. $237.26$3.0M
CAH
CARDINAL HEALTH INC
Aug 18, 2026
Sale(S)
Direct
3.1K shares at avg. $234.59$727K
CAH
CARDINAL HEALTH INC
Aug 18, 2026
Sale(S)
Direct
8.2K shares at avg. $235.62$1.9M
CAH
CARDINAL HEALTH INC
Aug 18, 2026
Sale(S)
Direct
10.9K shares at avg. $236.50$2.6M
CAH
CARDINAL HEALTH INC
Aug 15, 2026
Award(A)
Direct
5.9K shares-
CAH
CARDINAL HEALTH INC
Aug 15, 2026
Tax Payment(F)
Direct
25.3K shares at avg. $235.17$5.9M
CAH
CARDINAL HEALTH INC
Aug 4, 2026
Award(A)
Direct
47K shares-
CAH
CARDINAL HEALTH INC
Dec 1, 2025
Tax Payment(F)
Direct
595 shares at avg. $212.26$126K
CAH
CARDINAL HEALTH INC
Aug 19, 2025
Sale(S)
Direct
4.2K shares at avg. $149.39$623K
CAH
CARDINAL HEALTH INC
Aug 19, 2025
Sale(S)
Direct
3K shares at avg. $147.87$443K
CAH
CARDINAL HEALTH INC
Aug 19, 2025
Sale(S)
Direct
34.4K shares at avg. $148.83$5.1M
CAH
CARDINAL HEALTH INC
Aug 15, 2025
Tax Payment(F)
Direct
30.8K shares at avg. $150.22$4.6M
CAH
CARDINAL HEALTH INC
Aug 15, 2025
Award(A)
Direct
9K shares-
CAH
CARDINAL HEALTH INC
Aug 12, 2025
Award(A)
Direct
54.5K shares-
CAH
CARDINAL HEALTH INC
Jun 30, 2025
Tax Payment(F)
Direct
5.7K shares at avg. $167.18$952K

		Type	Shares	Price		Ownership
Aug 18, 2026	CAH CARDINAL HEALTH INC	Sale(S)	12,829	$237.26	$3,043,809	Direct
Aug 18, 2026	CAH CARDINAL HEALTH INC	Sale(S)	3,100	$234.59	$727,229	Direct
Aug 18, 2026	CAH CARDINAL HEALTH INC	Sale(S)	8,195	$235.62	$1,930,906	Direct
Aug 18, 2026	CAH CARDINAL HEALTH INC	Sale(S)	10,876	$236.50	$2,572,174	Direct
Aug 15, 2026	CAH CARDINAL HEALTH INC	Award(A)	5,868	-	$0	Direct
Aug 15, 2026	CAH CARDINAL HEALTH INC	Tax Payment(F)	25,289	$235.17	$5,947,214	Direct
Aug 4, 2026	CAH CARDINAL HEALTH INC	Award(A)	46,992	-	$0	Direct
Dec 1, 2025	CAH CARDINAL HEALTH INC	Tax Payment(F)	595	$212.26	$126,295	Direct
Aug 19, 2025	CAH CARDINAL HEALTH INC	Sale(S)	4,167	$149.39	$622,508	Direct
Aug 19, 2025	CAH CARDINAL HEALTH INC	Sale(S)	2,997	$147.87	$443,166	Direct
Aug 19, 2025	CAH CARDINAL HEALTH INC	Sale(S)	34,411	$148.83	$5,121,389	Direct
Aug 15, 2025	CAH CARDINAL HEALTH INC	Tax Payment(F)	30,811	$150.22	$4,628,428	Direct
Aug 15, 2025	CAH CARDINAL HEALTH INC	Award(A)	8,957	-	-	Direct
Aug 12, 2025	CAH CARDINAL HEALTH INC	Award(A)	54,537	-	-	Direct
Jun 30, 2025	CAH CARDINAL HEALTH INC	Tax Payment(F)	5,694	$167.18	$951,923	Direct

1-15 of 15 transactions

About Mason Stephen M

Mason Stephen M (SEC CIK 0001786065) files insider reports with the SEC as CEO, GMPD Segment of CARDINAL HEALTH INC (CAH).

Signal8 holds 7 ownership filings by Mason Stephen M, all Form 4s, filed between Jun 30, 2025 and Aug 20, 2026. Those filings report 15 transactions, from Jun 30, 2025 to Aug 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Mason Stephen M's filings is in DUBLIN, OH.

Recent filings by Mason Stephen M

Aug 18, 2026: Open-market sales of CAH shares (4 lines, Form 4, code S).
Aug 15, 2026: Grant or award of CAH shares (Form 4, code A).
Aug 15, 2026: Tax withholding of CAH shares (Form 4, code F).
Aug 4, 2026: Grant or award of CAH shares (Form 4, code A).
Dec 1, 2025: Tax withholding of CAH shares (Form 4, code F).

Other insiders filing for CARDINAL HEALTH INC (CAH)

Scherer Mary C., Chief Accounting Officer
Hollar Jason M., Chief Executive Officer
WEITZMAN DEBORAH, CEO, PSS Segment
Alt Aaron E, Chief Financial Officer
Mayer Jessica L, Chief Legal/Compliance Officer
Greene Michelle D., Chief Information Officer

How to read Form 4 transaction codes