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$ Value

$120K

Shares

1,679

Price

$72

Filed

Mar 3

Insider

Name

Hall Mary Dean

Title

EVP, Chief Financial Officer

CIK

0001659705

Roles

Officer

Transaction Details

Transaction Date

2026-03-02

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

37,427

Footnotes

Shares withheld by the Company to satisfy tax withholding obligations related to the 2023 RSUs that vested. | Shares withheld by the Company to satisfy tax withholding obligations related to the 2024 RSUs that vested. | Shares withheld by the Company to satisfy tax withholding obligations related to the 2025 RSUs that vested.

Filing Info

Accession No.

0001659705-26-000002

Form Type

4

Issuer CIK

0001653477

Hall Mary Dean's History

Date Ticker Type Value
2026-03-09 MAGN A $0
2026-03-02 NGVT F $54K
2026-03-02 NGVT F $98K
2026-03-02 NGVT F $40K
2026-03-02 NGVT F $120K
2026-02-26 NGVT A $0
2026-02-26 NGVT F $62K
2026-01-20 AIT A $0
2025-11-14 MAGN A $0
2025-11-04 MAGN M $81K

Other Insiders at NGVT (90d)

Insider Bought Sold Last
Li David H
President & CEO
2026-04-07
DYER TERRANCE M
SVP, Chief HR Officer
2026-03-02
WILLIS J KEVIN 2026-04-01
Hall Mary Dean
EVP, Chief Financial Officer
2026-03-02
PLATT PHILLIP JOHN
SVP, Finance & CAO
2026-03-02
White Richard Allen JR
SVP and Pres, Perf Chemicals
2026-03-02
Fisher Ryan C.
SVP, Gen. Counsel & Secretary
2026-03-25
Shukov Michael N.
SVP and Pres, APT
2026-02-27
Segal Francis David 2026-04-01
Castillo Ruth
SVP and Pres, Perf Materials
2026-02-27
Clontz Clarence Reid Jr.
SVP, Operations
2026-03-02