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OLIN Corp (OLN)

OLIN Corp (OLN) Insider Trading

Directors, officers and holders of more than 10% of OLN report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 118 transactions on file: 0 with code P, 2 with code S and 48 with other codes.

DateInsiderCodeShares
Jun 17, 2026Carter DeonM Exercise2,500
Jun 17, 2026Carter DeonF Tax Payment609
Jun 17, 2026Carter DeonM Exercise2,500
Jun 1, 2026Kohl Florian JF Tax Payment492
Jun 1, 2026Kohl Florian JM Exercise1,250
Jun 1, 2026Kohl Florian JM Exercise1,250
May 15, 2026Kohl Florian JM Exercise2,500
May 15, 2026Kohl Florian JF Tax Payment819
May 15, 2026Kohl Florian JM Exercise2,500
May 1, 2026Ehrhardt MarcM Exercise2,500
May 1, 2026Babcock Beverley AA Award4,916
May 1, 2026Weideman William HA Award7,023
May 1, 2026Ehrhardt MarcM Exercise5,206
May 1, 2026Darnall Matthew SA Award10,535
May 1, 2026Shipp Earl LA Award7,023
May 1, 2026Ehrhardt MarcM Exercise2,500
May 1, 2026Babcock Beverley AA Award2,107
May 1, 2026Ehrhardt MarcF Tax Payment1,877
May 1, 2026PIGGOTT JULIE AA Award7,023
May 1, 2026Ehrhardt MarcM Exercise5,206
May 1, 2026Williams Carol AA Award7,023
May 1, 2026Daly EdwardA Award7,023
Mar 18, 2026Lane Kenneth ToddF Tax Payment19,675
Mar 18, 2026Lane Kenneth ToddM Exercise50,000
Mar 18, 2026Lane Kenneth ToddM Exercise50,000
Feb 25, 2026Carter DeonS Sale6,500
Feb 24, 2026Castle Angela MS Sale2,379
Feb 20, 2026Castle Angela MF Tax Payment1,003
Feb 20, 2026Castle Angela MM Exercise3,380
Feb 20, 2026Kohl Florian JM Exercise6,035
Feb 20, 2026Slater Todd AM Exercise8,690
Feb 20, 2026Castle Angela MM Exercise3,380
Feb 20, 2026Carter DeonF Tax Payment1,793
Feb 20, 2026FLAUGHER BRETT AM Exercise6,276
Feb 20, 2026Lane Kenneth ToddF Tax Payment8,811
Feb 20, 2026Lane Kenneth ToddM Exercise36,206
Feb 20, 2026Slater Todd AF Tax Payment3,850
Feb 20, 2026VERMILLION TERESA MM Exercise2,318
Feb 20, 2026Slater Todd AM Exercise8,690
Feb 20, 2026Kohl Florian JF Tax Payment1,470
Feb 20, 2026Kohl Florian JM Exercise6,035
Feb 20, 2026Carter DeonM Exercise6,759
Feb 20, 2026Sumner R NicholeF Tax Payment538
Feb 20, 2026FLAUGHER BRETT AM Exercise6,276
Feb 20, 2026FLAUGHER BRETT AF Tax Payment1,839
Feb 20, 2026Lane Kenneth ToddM Exercise36,206
Feb 20, 2026Sumner R NicholeM Exercise1,835
Feb 20, 2026VERMILLION TERESA MF Tax Payment674
Feb 20, 2026VERMILLION TERESA MM Exercise2,318
Feb 20, 2026Sumner R NicholeM Exercise1,835

The full Form 4 history is on the OLN company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.