Magnin Shelly A. Dumas

CIK: 0001805728

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (9.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (18.2%)

Compensation grants

Other (G, F, J, C, D, …)8 (72.7%)

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

Companies & Roles (1)

SNDR

Schneider National, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

SNDR
Schneider National, Inc.
May 6, 2026
Sale(S)
Direct
2.4K shares at avg. $30.90$75K
SNDR
Schneider National, Inc.
Feb 15, 2026
Tax Payment(F)
Direct
461 shares at avg. $28.73$13K
SNDR
Schneider National, Inc.
Feb 15, 2026
Tax Payment(F)
Direct
680 shares at avg. $28.73$20K
SNDR
Schneider National, Inc.
Feb 15, 2026
Tax Payment(F)
Direct
813 shares at avg. $28.73$23K
SNDR
Schneider National, Inc.
Feb 15, 2026
Tax Payment(F)
Direct
714 shares at avg. $28.73$21K
SNDR
Schneider National, Inc.
Feb 13, 2026
Award(A)
Direct
3.9K shares-
SNDR
Schneider National, Inc.
Mar 15, 2025
Tax Payment(F)
Direct
468 shares at avg. $23.75$11K
SNDR
Schneider National, Inc.
Feb 15, 2025
Tax Payment(F)
Direct
680 shares at avg. $27.52$19K
SNDR
Schneider National, Inc.
Feb 15, 2025
Tax Payment(F)
Direct
813 shares at avg. $27.52$22K
SNDR
Schneider National, Inc.
Feb 15, 2025
Tax Payment(F)
Direct
505 shares at avg. $27.52$14K
SNDR
Schneider National, Inc.
Feb 14, 2025
Award(A)
Direct
4.1K shares-

		Type	Shares	Price		Ownership
May 6, 2026	SNDR Schneider National, Inc.	Sale(S)	2,425	$30.90	$74,933	Direct
Feb 15, 2026	SNDR Schneider National, Inc.	Tax Payment(F)	461	$28.73	$13,245	Direct
Feb 15, 2026	SNDR Schneider National, Inc.	Tax Payment(F)	680	$28.73	$19,536	Direct
Feb 15, 2026	SNDR Schneider National, Inc.	Tax Payment(F)	813	$28.73	$23,357	Direct
Feb 15, 2026	SNDR Schneider National, Inc.	Tax Payment(F)	714	$28.73	$20,513	Direct
Feb 13, 2026	SNDR Schneider National, Inc.	Award(A)	3,916	-	$0	Direct
Mar 15, 2025	SNDR Schneider National, Inc.	Tax Payment(F)	468	$23.75	$11,115	Direct
Feb 15, 2025	SNDR Schneider National, Inc.	Tax Payment(F)	680	$27.52	$18,714	Direct
Feb 15, 2025	SNDR Schneider National, Inc.	Tax Payment(F)	813	$27.52	$22,374	Direct
Feb 15, 2025	SNDR Schneider National, Inc.	Tax Payment(F)	505	$27.52	$13,898	Direct
Feb 14, 2025	SNDR Schneider National, Inc.	Award(A)	4,088	-	-	Direct

1-11 of 11 transactions

About Dumas Magnin Shelly A

Dumas Magnin Shelly A (SEC CIK 0001805728) files insider reports with the SEC as VP and Corporate Controller of Schneider National, Inc. (SNDR).

Signal8 holds 4 ownership filings by Dumas Magnin Shelly A, all Form 4s, filed between Feb 19, 2025 and May 8, 2026. Those filings report 11 transactions, from Feb 14, 2025 to May 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Dumas Magnin Shelly A's filings is in GREEN BAY, WI.

Recent filings by Dumas Magnin Shelly A

May 6, 2026: Open-market sale of SNDR shares (Form 4, code S).
Feb 15, 2026: Tax withholdings of SNDR shares (4 lines, Form 4, code F).
Feb 13, 2026: Grant or award of SNDR shares (Form 4, code A).
Mar 15, 2025: Tax withholding of SNDR shares (Form 4, code F).
Feb 15, 2025: Tax withholdings of SNDR shares (3 lines, Form 4, code F).

Other insiders filing for Schneider National, Inc. (SNDR)

GIERTZ JAMES R, Director
Schneider Paul J., Director
Rourke Mark B., Executive Chair
Wells Steven A, EVP Truckload
Baumgardt Michael J, EVP Intermodal & Logistics
Filter James Scott, President & CEO

How to read Form 4 transaction codes