Comparable stake leader
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000074303.
Comparable stake leader
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
Disclosed value leader
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Hotchkis and Wiley Capital Management, LLC
|
13%
from 13D/G
|
$448,453,980
15,084,224 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$341,504,237
11,486,856 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$175,225,736
5,893,903 shares
|
$0 | 31 Mar 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
13D/G
Company
|
4.4%
from 13D/G
|
$149,122,021
5,015,877 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
2.9%
|
$74,212,462
3,373,294 shares
|
$0 | 31 Dec 2024 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
4.9%
|
$167,311,250
5,627,997 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
4.8%
|
$161,713,570
5,439,407 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
4.2%
|
$142,704,535
4,800,018 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$2,239,226.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 105,879 | $0 | $2,392,690 | -$2,392,690 |
| 6-9 | 0 | 4,500 | $0 | $93,850 | -$93,850 |
| 9-12 | 20,000 | 6,000 | $373,956 | $126,642 | +$247,314 |
Reporting owners
Showing 1-20 of 28 reporting-owner rows connected to OLIN Corp. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Scott D. Ferguson | Director | $577,185,457 | Filing P/S | 23 May 2022 | ||
| Pat D. Dawson | Evp | $5,692,391 | Mixed | 22 Feb 2022 | ||
| Kenneth Todd Lane | President & CEO, Director | $5,445,829 | Mixed | 18 Mar 2026 | ||
| Scott McDougald Sutton | President & CEO, Director | $4,712,360 | Filing P/S | 26 Feb 2024 | ||
| Todd A. Slater | Vp & Cfo | $4,644,213 | -$2,073,918 | -31% | Mixed | 20 Feb 2026 |
| James A. Varilek | Evp & Coo | $3,475,563 | Mixed | 18 Nov 2022 | ||
| Brett A. Flaugher | VP & Pres, Winchester | $2,728,048 | Mixed | 20 Feb 2026 | ||
| Damian Gumpel | VP Corp Strategy | $2,479,326 | Mixed | 22 Feb 2024 | ||
| C. Robert Bunch | Director | $2,406,166 | Mixed | 01 May 2024 | ||
| Gray G. Benoist | Director | $2,306,042 | Mixed | 10 Sep 2021 | ||
| Carol A. Williams | Director | $1,301,279 | Mixed | 01 May 2026 | ||
| R. Nichole Sumner | VP & Controller | $1,174,729 | -$106,846 | -8.3% | Mixed | 20 Feb 2026 |
| Earl L. Shipp | Director | $1,135,687 | Mixed | 01 May 2026 | ||
| Dana C. O'Brien | SVP, Chief Legal Officer | $1,069,412 | Mixed | 19 Feb 2025 | ||
| William H. Weideman | Director | $1,015,222 | Mixed | 01 May 2026 | ||
| Valerie A. Peters | Vp, Hr | $966,202 | Mixed | 21 Feb 2024 | ||
| Beverley A. Babcock | Director | $898,528 | Mixed | 01 May 2026 | ||
| Teresa M. Vermillion | VP & Treasurer | $821,549 | -$220,492 | -21% | Mixed | 20 Feb 2026 |
| Marc Ehrhardt | VP & Pres Corp Development | $767,896 | +$373,956 | +95% | Median | 01 May 2026 |
| Florian J. Kohl | VP & Pres,Epoxy&International | $744,322 | Mixed | 01 Jun 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Florian J. Kohl | OLN | Common Stock | Tax liability | -5.83% | -492 | 7,949 | 01 Jun 2026 | Direct | ||
| Florian J. Kohl | OLN | Common Stock | Options Exercise | 17.4% | 1,250 | 8,441 | 01 Jun 2026 | Direct | ||
| Florian J. Kohl | OLN | Restricted Stock Units | Options Exercise | -33.3% | -1,250 | 2,500 | 01 Jun 2026 | Direct | ||
| Florian J. Kohl | OLN | Common Stock | Tax liability | -10.2% | -819 | 7,191 | 15 May 2026 | Direct | ||
| Florian J. Kohl | OLN | Common Stock | Options Exercise | 45.4% | 2,500 | 8,010 | 15 May 2026 | Direct | ||
| Florian J. Kohl | OLN | Restricted Stock Units | Options Exercise | -100% | -2,500 | 0 | 15 May 2026 | Direct | ||
| Julie A. Piggott | OLN | Phantom Stock Units | Award | 48.5% | 7,023 | 21,495 | 01 May 2026 | Direct | ||
| Edward Daly | OLN | Phantom Stock Units | Award | 72.8% | 7,023 | 16,672 | 01 May 2026 | Direct | ||
| Earl L. Shipp | OLN | Phantom Stock Units | Award | 13.5% | 7,023 | 59,191 | 01 May 2026 | Direct | ||
| Carol A. Williams | OLN | Phantom Stock Units | Award | 13.6% | 7,023 | 58,850 | 01 May 2026 | Direct | ||
| Matthew S. Darnall | OLN | Phantom Stock Units | Award | 32.7% | 10,535 | 42,722 | 01 May 2026 | Direct | ||
| Beverley A. Babcock | OLN | Common Stock $1 par value | Award | 59.9% | 2,107 | 5,625 | 01 May 2026 | Direct | ||
| Beverley A. Babcock | OLN | Phantom Stock Units | Award | 14.6% | 4,916 | 38,508 | 01 May 2026 | Direct | ||
| William H. Weideman | OLN | Phantom Stock Units | Award | 15.1% | 7,023 | 53,657 | 01 May 2026 | Direct | ||
| Marc Ehrhardt | OLN | Common Stock | Tax liability | -6.77% | -1,877 | 25,829 | 01 May 2026 | Direct | ||
| Marc Ehrhardt | OLN | Common Stock | Options Exercise | 38.5% | 7,706 | 27,706 | 01 May 2026 | Direct | ||
| Marc Ehrhardt | OLN | Restricted Stock Units | Options Exercise | -50.7% | -7,706 | 7,500 | 01 May 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Common Stock | Tax liability | -16.4% | -19,675 | 100,287 | 18 Mar 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Common Stock | Options Exercise | 71.5% | 50,000 | 119,962 | 18 Mar 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Restricted Stock Units | Options Exercise | -33.3% | -50,000 | 100,000 | 18 Mar 2026 | Direct | ||
| Deon Carter | OLN | Common Stock | Sale | -94.8% | $154,226 | $23.73 | -6,500 | 357 | 25 Feb 2026 | Direct |
| Angela M. Castle | OLN | Common Stock | Sale | -60.9% | $57,700 | $24.25 | -2,379 | 1,528 | 24 Feb 2026 | Direct |
| Angela M. Castle | OLN | Common Stock | Tax liability | -20.4% | -1,003 | 3,907 | 20 Feb 2026 | Direct | ||
| Angela M. Castle | OLN | Common Stock | Options Exercise | 220.9% | 3,380 | 4,910 | 20 Feb 2026 | Direct | ||
| Angela M. Castle | OLN | Restricted Stock Units | Options Exercise | -33.3% | -3,380 | 6,758 | 20 Feb 2026 | Direct | ||
| Teresa M. Vermillion | OLN | Common Stock | Tax liability | -3.44% | -674 | 18,922 | 20 Feb 2026 | Direct | ||
| Teresa M. Vermillion | OLN | Common Stock | Options Exercise | 13.4% | 2,318 | 19,596 | 20 Feb 2026 | Direct | ||
| Teresa M. Vermillion | OLN | Restricted Stock Units | Options Exercise | -33.3% | -2,318 | 4,634 | 20 Feb 2026 | Direct | ||
| R. Nichole Sumner | OLN | Common Stock | Tax liability | -2.02% | -538 | 26,147 | 20 Feb 2026 | Direct | ||
| R. Nichole Sumner | OLN | Common Stock | Options Exercise | 7.38% | 1,835 | 26,685 | 20 Feb 2026 | Direct | ||
| R. Nichole Sumner | OLN | Restricted Stock Units | Options Exercise | -33.3% | -1,835 | 3,669 | 20 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Common Stock | Tax liability | -7.21% | -3,850 | 49,543 | 20 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Common Stock | Options Exercise | 19.4% | 8,690 | 53,393 | 20 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Restricted Stock Units | Options Exercise | -33.3% | -8,690 | 17,379 | 20 Feb 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Common Stock | Tax liability | -11.2% | -8,811 | 69,962 | 20 Feb 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Common Stock | Options Exercise | 85.1% | 36,206 | 78,773 | 20 Feb 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Restricted Stock Units | Options Exercise | -32.7% | -36,206 | 74,411 | 20 Feb 2026 | Direct | ||
| Florian J. Kohl | OLN | Common Stock | Tax liability | -21.1% | -1,470 | 5,510 | 20 Feb 2026 | Direct | ||
| Florian J. Kohl | OLN | Common Stock | Options Exercise | 638.6% | 6,035 | 6,980 | 20 Feb 2026 | Direct | ||
| Florian J. Kohl | OLN | Restricted Stock Units | Options Exercise | -33.3% | -6,035 | 12,068 | 20 Feb 2026 | Direct | ||
| Deon Carter | OLN | Common Stock | Tax liability | -20.7% | -1,793 | 6,857 | 20 Feb 2026 | Direct | ||
| Deon Carter | OLN | Common Stock | Options Exercise | 357.4% | 6,759 | 8,650 | 20 Feb 2026 | Direct | ||
| Deon Carter | OLN | Restricted Stock Units | Options Exercise | -33.3% | -6,759 | 13,517 | 20 Feb 2026 | Direct | ||
| Brett A. Flaugher | OLN | Common Stock | Tax liability | -28.2% | -1,839 | 4,674 | 20 Feb 2026 | Direct | ||
| Brett A. Flaugher | OLN | Common Stock | Options Exercise | 2648.1% | 6,276 | 6,513 | 20 Feb 2026 | Direct | ||
| Brett A. Flaugher | OLN | Restricted Stock Units | Options Exercise | -33.3% | -6,276 | 12,552 | 20 Feb 2026 | Direct | ||
| Kenneth Todd Lane | OLN | Restricted Stock Units | Award | 132,053 | 132,053 | 18 Feb 2026 | Direct | |||
| Brett A. Flaugher | OLN | Common Stock | Award | 237 | 237 | 18 Feb 2026 | Direct | |||
| Brett A. Flaugher | OLN | Restricted Stock Units | Award | 24,010 | 24,010 | 18 Feb 2026 | Direct | |||
| Florian J. Kohl | OLN | Restricted Stock Units | Award | 20,009 | 20,009 | 18 Feb 2026 | Direct |