Quick Takeaways
- OLN - OLIN Corp has 28 insiders with reported activity on this page.
- Net insider value flow over the last year: -$2,239,226.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 28 Insiders of OLIN Corp
- Symbol
- OLN on NYSE
- Location
- Clayton, MO
What Changed
- Buy value: $373,956; sell value: $2,613,182.
- Net share flow: -96,379.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$2,239,226.
Buys
$373,956
Shares: 20,000
Insiders: 1
Sells
$2,613,182
Shares: 116,379
Insiders: 5
Net
-$2,239,226
Shares: -96,379
Insiders: -4
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 105,879 | $0 | $2,392,690 | -$2,392,690 |
| 3-6 | 0 | 4,500 | $0 | $93,850 | -$93,850 |
| 6-9 | 20,000 | 6,000 | $373,956 | $126,642 | +$247,314 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
OLIN Corp executives and other stock owners filed with the SEC include:
| 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 2025 | ||
| 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 2025 | ||
| 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 2025 | ||
| Valerie A. Peters | Vp, Hr | $966,202 | Mixed | 21 Feb 2024 | ||
| Teresa M. Vermillion | VP & Treasurer | $821,549 | -$220,492 | -21% | Mixed | 20 Feb 2026 |
| Beverley A. Babcock | Director | $807,883 | Mixed | 01 May 2025 | ||
| Patrick Murphy Schumacher | VP & President, CAPV | $738,544 | Mixed | 22 Feb 2024 | ||
| W. Anthony Will | Director | $700,706 | Mixed | 01 May 2025 | ||
| Matthew S. Darnall | Director | $700,706 | Mixed | 01 May 2025 | ||
| Florian J. Kohl | VP & Pres,Epoxy&International | $640,734 | Mixed | 20 Feb 2026 | ||
| Deon Carter | VP & President CAPV | $577,447 | -$154,226 | -21% | Mixed | 25 Feb 2026 |
| Edward Daly | Director | $507,344 | Mixed | 01 May 2025 | ||
| Marc Ehrhardt | VP & Pres Corp Development | $373,956 | +$373,956 | +100% | Filing P/S | 18 Feb 2026 |
| Julie A. Piggott | Director | $315,050 | Mixed | 01 May 2025 | ||
| Angela M. Castle | VP & Chief Legal Officer | $37,105 | -$57,700 | -61% | Mixed | 20 Feb 2026 |
| Heidi S. Alderman | Director | Mixed | 01 Feb 2023 |
Top shareholders of OLIN Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Scott D. Ferguson |
3/4/5
|
Director |
—
class O/S missing
|
9,465,160
|
$577,185,457 | — | 23 May 2022 | |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Hotchkis and Wiley Capital Management, LLC · Company |
13%
|
15,278,245
|
$355,524,761 | +$81,480,184 | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
9.1%
from 13D/G
|
11,951,713
|
$248,954,190 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
9.9%
|
11,337,815
|
$236,166,687 | — | 31 Dec 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13D/G
13F
|
Company |
5.5%
|
6,384,744
|
$140,464,373 | $0 | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.2%
|
4,737,498
|
$98,682,083 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
4%
|
4,596,499
|
$95,745,606 | — | 31 Dec 2025 | |
| PZENA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
4%
|
4,507,913
|
$93,899,828 | — | 31 Dec 2025 | |
| YACKTMAN ASSET MANAGEMENT LP |
13F
|
Company |
3.4%
|
3,922,318
|
$81,701,884 | — | 31 Dec 2025 | |
| Orbis Allan Gray Ltd |
13F
|
Company |
3.3%
|
3,804,561
|
$79,249,006 | — | 31 Dec 2025 | |
| FMR LLC |
13D/G
13F
|
Company |
2.9%
|
3,373,294
|
$74,212,462 | $0 | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.8%
|
2,030,636
|
$42,310,889 | — | 31 Dec 2025 | |
| SEMPER AUGUSTUS INVESTMENTS GROUP LLC |
13F
|
Company |
1.7%
|
1,943,440
|
$40,481,853 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.6%
|
1,820,854
|
$37,928,409 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.6%
|
1,793,246
|
$37,353,313 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.3%
|
1,489,506
|
$31,026,410 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
1.1%
|
1,249,311
|
$26,023,148 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.1%
|
1,220,622
|
$25,425,562 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.96%
|
1,098,312
|
$22,877,839 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.84%
|
962,503
|
$20,048,939 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.73%
|
827,402
|
$17,234,784 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.71%
|
811,704
|
$16,907,795 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.71%
|
804,807
|
$16,764,129 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.7%
|
794,711
|
$16,553,830 | — | 31 Dec 2025 | |
| MASTERS CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.61%
|
700,000
|
$14,581,000 | — | 31 Dec 2025 | |
| Jain Global LLC |
13F
|
Company |
0.58%
|
667,101
|
$13,895,714 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.54%
|
616,364
|
$12,838,867 | — | 31 Dec 2025 | |
| THOMIST CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.44%
|
505,833
|
$10,609,555 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.44%
|
499,639
|
$10,407,480 | — | 31 Dec 2025 | |
| CenterBook Partners LP |
13F
|
Company |
0.43%
|
488,330
|
$10,171,914 | — | 31 Dec 2025 | |
| KLCM Advisors, Inc. |
13F
|
Company |
0.41%
|
467,161
|
$9,730,964 | — | 31 Dec 2025 | |
| SG Americas Securities, LLC |
13F
|
Company |
0.4%
|
455,757
|
$9,493,000 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.39%
|
447,151
|
$9,314,153 | — | 31 Dec 2025 | |
| Quantinno Capital Management LP |
13F
|
Company |
0.36%
|
414,863
|
$8,641,607 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.35%
|
394,453
|
$8,216,466 | — | 31 Dec 2025 | |
| Invenomic Capital Management LP |
13F
|
Company |
0.34%
|
387,259
|
$8,066,605 | — | 31 Dec 2025 | |
| Cambria Investment Management, L.P. |
13F
|
Company |
0.34%
|
384,346
|
$8,005,927 | — | 31 Dec 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.31%
|
350,000
|
$7,290,500 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.3%
|
344,329
|
$7,172,382 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.3%
|
338,531
|
$7,051,601 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.3%
|
338,243
|
$7,045,602 | — | 31 Dec 2025 | |
| Gotham Asset Management, LLC |
13F
|
Company |
0.29%
|
332,156
|
$6,918,809 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.29%
|
326,769
|
$6,806,599 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.28%
|
315,654
|
$6,575,094 | — | 31 Dec 2025 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.27%
|
309,813
|
$6,453,405 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.27%
|
303,656
|
$6,325,155 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.25%
|
281,700
|
$5,867,811 | — | 31 Dec 2025 | |
| Pat D. Dawson |
3/4/5
|
EVP |
—
mixed-class rows
|
121,297
mixed-class rows
|
$5,692,391 | — | 22 Feb 2022 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.24%
|
272,809
|
$5,682,588 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.23%
|
262,200
|
$5,462,000 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for OLIN Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||
| Todd A. Slater | OLN | Common Stock | Award | 0.93% | 412 | 44,703 | 18 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Restricted Stock Units | Award | 32,013 | 32,013 | 18 Feb 2026 | Direct | |||
| Teresa M. Vermillion | OLN | Common Stock | Award | 0.46% | 79 | 17,278 | 18 Feb 2026 | Direct | ||
| Teresa M. Vermillion | OLN | Restricted Stock Units | Award | 8,004 | 8,004 | 18 Feb 2026 | Direct | |||
| R. Nichole Sumner | OLN | Common Stock | Award | 0.32% | 79 | 24,850 | 18 Feb 2026 | Direct | ||
| R. Nichole Sumner | OLN | Restricted Stock Units | Award | 6,403 | 6,403 | 18 Feb 2026 | Direct | |||
| Marc Ehrhardt | OLN | Restricted Stock Units | Award | 16,007 | 16,007 | 18 Feb 2026 | Direct | |||
| Angela M. Castle | OLN | Common Stock | Award | 1.73% | 26 | 1,530 | 18 Feb 2026 | Direct | ||
| Angela M. Castle | OLN | Restricted Stock Units | Award | 16,007 | 16,007 | 18 Feb 2026 | Direct | |||
| Deon Carter | OLN | Restricted Stock Units | Award | 27,211 | 27,211 | 18 Feb 2026 | Direct | |||
| R. Nichole Sumner | OLN | Common Stock | Sale | -16.1% | $106,846 | $22.49 | -4,750 | 24,771 | 03 Feb 2026 | Direct |
| R. Nichole Sumner | OLN | Common Stock | Options Exercise | 19.2% | 4,750 | 29,521 | 03 Feb 2026 | Direct | ||
| R. Nichole Sumner | OLN | Employee Stock Options (Right to Buy) | Options Exercise | -100% | -4,750 | 0 | 03 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Common Stock | Sale | -67.6% | $2,073,918 | $22.48 | -92,250 | 44,291 | 03 Feb 2026 | Direct |
| Todd A. Slater | OLN | Common Stock | Options Exercise | 208.3% | 92,250 | 136,541 | 03 Feb 2026 | Direct | ||
| Todd A. Slater | OLN | Employee Stock Options (Right to Buy) | Options Exercise | -100% | -92,250 | 0 | 03 Feb 2026 | Direct | ||
| Teresa M. Vermillion | OLN | Common Stock | Sale | -20.7% | $93,850 | $20.86 | -4,500 | 17,199 | 26 Nov 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.