Teresa M. Vermillion

CIK: 0001729998

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (22.2%)

Position reduction

Option Exercises (M)3 (33.3%)

Derivative conversions

Awards (A)3 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)1 (11.1%)

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

Companies & Roles (1)

OLN

OLIN Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

OLN
OLIN Corp
Feb 20, 2026
Exercise(M)
Direct
2.3K shares-
OLN
OLIN Corp
Feb 20, 2026
Tax Payment(F)
Direct
674 shares at avg. $24.09$16K
OLN
OLIN Corp
Feb 18, 2026
Award(A)
Direct
79 shares-
OLN
OLIN Corp
Nov 26, 2025
Sale(S)
Direct
4.5K shares at avg. $20.86$94K
OLN
OLIN Corp
Nov 26, 2025
Exercise(M)
Direct
4.5K shares at avg. $13.14$59K
OLN
OLIN Corp
Aug 13, 2025
Sale(S)
Direct
6K shares at avg. $21.11$127K
OLN
OLIN Corp
Aug 13, 2025
Exercise(M)
Direct
6K shares at avg. $13.14$79K
OLN
OLIN Corp
Feb 20, 2025
Award(A)
Restricted Stock Units
Direct
7K shares-
OLN
OLIN Corp
Feb 19, 2025
Award(A)
Direct
691 shares-

		Type	Shares	Price		Ownership
Feb 20, 2026	OLN OLIN Corp	Exercise(M)	2,318	-	$0	Direct
Feb 20, 2026	OLN OLIN Corp	Tax Payment(F)	674	$24.09	$16,237	Direct
Feb 18, 2026	OLN OLIN Corp	Award(A)	79	-	$0	Direct
Nov 26, 2025	OLN OLIN Corp	Sale(S)	4,500	$20.86	$93,850	Direct
Nov 26, 2025	OLN OLIN Corp	Exercise(M)	4,500	$13.14	$59,130	Direct
Aug 13, 2025	OLN OLIN Corp	Sale(S)	6,000	$21.11	$126,642	Direct
Aug 13, 2025	OLN OLIN Corp	Exercise(M)	6,000	$13.14	$78,840	Direct
Feb 20, 2025	OLN OLIN Corp	Award(A) Restricted Stock Units	6,952	-	-	Direct
Feb 19, 2025	OLN OLIN Corp	Award(A)	691	-	-	Direct

1-9 of 9 transactions

About VERMILLION TERESA M

VERMILLION TERESA M (SEC CIK 0001729998) files insider reports with the SEC as VP & Treasurer of OLIN Corp (OLN).

Signal8 holds 5 ownership filings by VERMILLION TERESA M, all Form 4s, filed between Feb 21, 2025 and Feb 24, 2026. Those filings report 9 transactions, from Feb 19, 2025 to Feb 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on VERMILLION TERESA M's filings is in CLAYTON, MO.

Recent filings by VERMILLION TERESA M

Feb 20, 2026: Option exercise of OLN shares (Form 4, code M).
Feb 20, 2026: Tax withholding of OLN shares (Form 4, code F).
Feb 18, 2026: Grant or award of OLN shares (Form 4, code A).
Nov 26, 2025: Open-market sale of OLN shares (Form 4, code S).
Nov 26, 2025: Option exercise of OLN shares (Form 4, code M).

Other insiders filing for OLIN Corp (OLN)

Carter Deon, VP & President CAPV
Kohl Florian J, VP & Pres,Epoxy&International
PIGGOTT JULIE A, Director
Daly Edward, Director
Shipp Earl L, Director
Williams Carol A, Director

How to read Form 4 transaction codes