Steven W. Eck

CIK: 0001748813

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)8 (50.0%)

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

Companies & Roles (1)

AVTR

Avantor, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

AVTR
Avantor, Inc.
Jul 31, 2026
Tax Payment(F)
Direct
1.4K shares at avg. $13.78$19K
AVTR
Avantor, Inc.
Apr 3, 2026
Award(A)
Direct
31.6K shares-
AVTR
Avantor, Inc.
Feb 24, 2026
Tax Payment(F)
Direct
452 shares at avg. $9.11$4K
AVTR
Avantor, Inc.
Feb 23, 2026
Tax Payment(F)
Direct
2K shares at avg. $8.89$18K
AVTR
Avantor, Inc.
Feb 20, 2026
Tax Payment(F)
Direct
2.1K shares at avg. $9.03$19K
AVTR
Avantor, Inc.
Feb 19, 2026
Award(A)
Direct
48.9K shares-
AVTR
Avantor, Inc.
Aug 5, 2025
Sale(S)
Direct
3.5K shares at avg. $11.39$40K
AVTR
Avantor, Inc.
Jul 31, 2025
Tax Payment(F)
Direct
1.4K shares at avg. $13.44$19K
AVTR
Avantor, Inc.
May 9, 2025
Award(A)
Direct
20.4K shares-
AVTR
Avantor, Inc.
Feb 27, 2025
Sale(S)
Direct
1K shares at avg. $17.00$18K
AVTR
Avantor, Inc.
Feb 26, 2025
Sale(S)
Direct
4.9K shares at avg. $17.53$86K
AVTR
Avantor, Inc.
Feb 25, 2025
Tax Payment(F)
Direct
505 shares at avg. $17.56$9K
AVTR
Avantor, Inc.
Feb 24, 2025
Tax Payment(F)
Direct
439 shares at avg. $17.47$8K
AVTR
Avantor, Inc.
Feb 23, 2025
Tax Payment(F)
Direct
2K shares at avg. $17.30$34K
AVTR
Avantor, Inc.
Feb 20, 2025
Award(A)
Direct
18.9K shares-
AVTR
Avantor, Inc.
Sep 5, 2024
Sale(S)
Direct
3.5K shares at avg. $25.06$88K

		Type	Shares	Price		Ownership
Jul 31, 2026	AVTR Avantor, Inc.	Tax Payment(F)	1,385	$13.78	$19,085	Direct
Apr 3, 2026	AVTR Avantor, Inc.	Award(A)	31,645	-	$0	Direct
Feb 24, 2026	AVTR Avantor, Inc.	Tax Payment(F)	452	$9.11	$4,118	Direct
Feb 23, 2026	AVTR Avantor, Inc.	Tax Payment(F)	2,017	$8.89	$17,931	Direct
Feb 20, 2026	AVTR Avantor, Inc.	Tax Payment(F)	2,125	$9.03	$19,189	Direct
Feb 19, 2026	AVTR Avantor, Inc.	Award(A)	48,859	-	$0	Direct
Aug 5, 2025	AVTR Avantor, Inc.	Sale(S)	3,476	$11.39	$39,592	Direct
Jul 31, 2025	AVTR Avantor, Inc.	Tax Payment(F)	1,385	$13.44	$18,614	Direct
May 9, 2025	AVTR Avantor, Inc.	Award(A)	20,358	-	-	Direct
Feb 27, 2025	AVTR Avantor, Inc.	Sale(S)	1,033	$17.00	$17,561	Direct
Feb 26, 2025	AVTR Avantor, Inc.	Sale(S)	4,907	$17.53	$86,020	Direct
Feb 25, 2025	AVTR Avantor, Inc.	Tax Payment(F)	505	$17.56	$8,868	Direct
Feb 24, 2025	AVTR Avantor, Inc.	Tax Payment(F)	439	$17.47	$7,669	Direct
Feb 23, 2025	AVTR Avantor, Inc.	Tax Payment(F)	1,956	$17.30	$33,839	Direct
Feb 20, 2025	AVTR Avantor, Inc.	Award(A)	18,867	-	-	Direct
Sep 5, 2024	AVTR Avantor, Inc.	Sale(S)	3,525	$25.06	$88,337	Direct

1-16 of 16 transactions

About Eck Steven W

Eck Steven W (SEC CIK 0001748813) files insider reports with the SEC as SVP & Chief Accounting Officer of Avantor, Inc. (AVTR).

Signal8 holds 11 ownership filings by Eck Steven W, all Form 4s, filed between Sep 6, 2024 and Aug 4, 2026. Those filings report 16 transactions, from Sep 5, 2024 to Jul 31, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Eck Steven W's filings is in RADNOR, PA.

Recent filings by Eck Steven W

Jul 31, 2026: Tax withholding of AVTR shares (Form 4, code F).
Apr 3, 2026: Grant or award of AVTR shares (Form 4, code A).
Feb 24, 2026: Tax withholding of AVTR shares (Form 4, code F).
Feb 23, 2026: Tax withholding of AVTR shares (Form 4, code F).
Feb 20, 2026: Tax withholding of AVTR shares (Form 4, code F).

Other insiders filing for Avantor, Inc. (AVTR)

Garner Todd W, EVP and CFO
Ligner Emmanuel, President and CEO
Hankamer Brittany, EVP, Chief HR Officer
Sokenu Claudius, EVP, Chief Legal & Compliance
Walker Corey, President, VWR Dist. & Servs.
Murthy Mala, Director

How to read Form 4 transaction codes