VERMILLION TERESA M

PrivateCIK: 1729998
Location

CLAYTON, MO

VERMILLION TERESA M (VP & Treasurer) sold 25.9% of their position (6K shares) of OLIN CORP on the open market

Open‑market sale worth $126.6K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderVERMILLION TERESA MCIK 1729998
IssuerOLIN CORPCIK 74303
Officer· VP & Treasurer
Since Feb 2026
-6K
Net shares
Net seller
$126.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
6K acquired · 12K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+6K

Price / share

$13.14

Trade value

$78.84K

% of position

34.9%
8/13/2025
17.20K23.20K

Common Stock

Direct
S · Sale

Shares

6K

Price / share

$21.11

Trade value

$126.64K

% of position

25.9%
8/13/2025
23.20K17.20K
Total

Net shares

+0.00

Net value

-$47.80K

Derivative Transactions1

Employee Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

6K shares

Shares

6K

Strike price

13.14

Held after

4.50K

Exercisable

8/13/2025
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned140.76
Total
140.76 indirect140.76
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
VERMILLION TERESA M — Insider Transaction (Form 4) Filed Aug 15, 2025 | Finecho