United States Chemicals

Olin Corp (OLN)

Track

The most recent insider trading activity at Olin Corp occurred on February 25, 2026, with proposed sales and actual sales by officers. Prior to this, significant sales and proposed sales by executives, including the CFO and VP & Controller, took place in early February 2026. Earlier transactions in late 2025 and August 2025 included sales and proposed sales by a VP & Treasurer, and a buy transaction by a VP & Pres Corp Development.
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Ticker: OLN Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Carter Deon
VP & President CAPV
1 sale — total 154,226 USD
Sale 25 Feb 2026
Value US$2,322,874.73 | Price 363.58 | Shares 13,000
Proposed sale 25 Feb 2026
Value US$4,622,866.30 | Price 418.20 | Shares 3,890
Sale 24 Feb 2026
Value US$57,699.97 | Price 24.25 | Shares 2,379
Proposed sale 24 Feb 2026
Value US$79,430.00 | Price 23.50 | Shares 3,380
Sale 3 Feb 2026
Value US$106,846.02 | Price 22.49 | Shares 4,750
Sale 3 Feb 2026
Value US$2,073,918.38 | Price 22.48 | Shares 92,250
Proposed sale 3 Feb 2026
Value US$98,847.50 | Price 20.81 | Shares 4,750
Proposed sale 3 Feb 2026
Value US$1,919,722.50 | Price 20.81 | Shares 92,250
Sale 26 Nov 2025
Value US$93,850.20 | Price 20.86 | Shares 4,500
Proposed sale 24 Nov 2025
Value US$89,010.00 | Price 19.78 | Shares 4,500
Sale 13 Aug 2025
Value US$126,642.00 | Price 21.11 | Shares 6,000
Proposed sale 13 Aug 2025
Value US$126,000.00 | Price 21.00 | Shares 6,000
Buy 6 Aug 2025
Value US$373,956.00 | Price 18.70 | Shares 20,000
Buy 4 Feb 2025
Value US$203,446.60 | Price 28.06 | Shares 7,250
Sale 8 Nov 2024
Value US$459,411.75 | Price 43.75 | Shares 10,500
Proposed sale 8 Nov 2024
Value US$438,585.00 | Price 41.77 | Shares 10,500
Proposed sale 26 Aug 2024
Value US$449,085.00 | Price 42.77 | Shares 10,500
Proposed sale 30 Apr 2024
Value US$13,696,388.00 | Price 53.48 | Shares 256,103
Proposed sale 30 Apr 2024
Value US$111,398.84 | Price 53.48 | Shares 2,083
Sale 27 Feb 2024
Value US$392,892.27 | Price 52.17 | Shares 7,531
Sale 27 Feb 2024
Value US$465,260.80 | Price 52.30 | Shares 8,896
Sale 27 Feb 2024
Value US$521,000.00 | Price 52.10 | Shares 10,000
Sale 27 Feb 2024
Value US$525,000.00 | Price 52.50 | Shares 10,000
Sale 27 Feb 2024
Value US$527,000.00 | Price 52.70 | Shares 10,000
Sale 27 Feb 2024
Value US$130,363.20 | Price 52.80 | Shares 2,469
Sale 27 Feb 2024
Value US$521,988.00 | Price 52.20 | Shares 10,000
Proposed sale 27 Feb 2024
Value US$525,900.00 | Price 52.59 | Shares 10,000
Sale 26 Feb 2024
Value US$143,535.00 | Price 52.50 | Shares 2,734
Sale 26 Feb 2024
Value US$221,022.50 | Price 52.75 | Shares 4,190
Sale 26 Feb 2024
Value US$525,000.00 | Price 52.50 | Shares 10,000
Sale 26 Feb 2024
Value US$786,867.00 | Price 52.46 | Shares 15,000
Proposed sale 26 Feb 2024
Value US$784,650.00 | Price 31.39 | Shares 25,000
Sale 23 Feb 2024
Value US$103,139.75 | Price 53.00 | Shares 1,946
Sale 23 Feb 2024
Value US$525,000.00 | Price 52.50 | Shares 10,000
Sale 23 Feb 2024
Value US$263,250.00 | Price 52.65 | Shares 5,000
Sale 23 Feb 2024
Value US$262,555.50 | Price 52.51 | Shares 5,000
Sale 22 Feb 2024
Value US$262,523.00 | Price 52.50 | Shares 5,000
Sale 22 Feb 2024
Value US$263,750.00 | Price 52.75 | Shares 5,000
Sale 22 Feb 2024
Value US$261,294.00 | Price 52.26 | Shares 5,000
Proposed sale 22 Feb 2024
Value US$11,145,585.00 | Price 51.15 | Shares 217,900
Proposed sale 1 Feb 2024
Value US$520,627.80 | Price 53.48 | Shares 9,735
Sale 1 Feb 2024
Value US$247,081.77 | Price 52.18 | Shares 4,735
Sale 1 Feb 2024
Value US$260,370.00 | Price 52.07 | Shares 5,000
Sale 31 Jan 2024
Value US$390,201.41 | Price 53.13 | Shares 7,344
Sale 31 Jan 2024
Value US$101,258.35 | Price 53.46 | Shares 1,894
Sale 31 Jan 2024
Value US$2,583,949.56 | Price 52.52 | Shares 49,200
Sale 31 Jan 2024
Value US$1,186,936.18 | Price 52.52 | Shares 22,600
Sale 31 Jan 2024
Value US$2,433,497.28 | Price 53.44 | Shares 45,537
Proposed sale 31 Jan 2024
Value US$520,627.80 | Price 53.48 | Shares 9,735
Proposed sale 31 Jan 2024
Value US$3,839,864.00 | Price 53.48 | Shares 71,800
Sale 30 Jan 2024
Value US$2,439,000.00 | Price 54.20 | Shares 45,000
Sale 30 Jan 2024
Value US$2,828,520.00 | Price 54.00 | Shares 52,380
Sale 30 Jan 2024
Value US$1,644,844.80 | Price 53.83 | Shares 30,556
Sale 30 Jan 2024
Value US$5,705,026.37 | Price 53.89 | Shares 105,858
Sale 30 Jan 2024
Value US$5,467,830.00 | Price 54.68 | Shares 100,000
Sale 30 Jan 2024
Value US$8,320,991.23 | Price 53.50 | Shares 155,534
Sale 30 Jan 2024
Value US$27,653.00 | Price 55.31 | Shares 500
Sale 30 Jan 2024
Value US$1,200,875.76 | Price 54.58 | Shares 22,002
Sale 30 Jan 2024
Value US$1,469,427.12 | Price 53.44 | Shares 27,498
Sale 30 Jan 2024
Value US$2,068,919.55 | Price 54.09 | Shares 38,250
Sale 30 Jan 2024
Value US$1,355,800.00 | Price 54.23 | Shares 25,000
Proposed sale 30 Jan 2024
Value US$106,139.76 | Price 56.04 | Shares 1,894
Proposed sale 30 Jan 2024
Value US$411,557.76 | Price 56.04 | Shares 7,344
Proposed sale 30 Jan 2024
Value US$3,099,012.00 | Price 56.04 | Shares 55,300
Proposed sale 30 Jan 2024
Value US$5,932,282.30 | Price 56.04 | Shares 105,858
Proposed sale 30 Jan 2024
Value US$5,604,000.00 | Price 56.04 | Shares 100,000
Proposed sale 30 Jan 2024
Value US$11,335,200.10 | Price 55.15 | Shares 205,534
Proposed sale 30 Jan 2024
Value US$5,515,000.00 | Price 55.15 | Shares 100,000
Proposed sale 30 Jan 2024
Value US$1,685,163.40 | Price 55.15 | Shares 30,556
Proposed sale 30 Jan 2024
Value US$2,481,750.00 | Price 55.15 | Shares 45,000
Proposed sale 30 Jan 2024
Value US$3,488,237.50 | Price 55.15 | Shares 63,250
Sale 18 Aug 2023
Value US$44,313.04 | Price 55.39 | Shares 800
Sale 10 Aug 2023
Value US$467,060.80 | Price 58.38 | Shares 8,000
Proposed sale 10 Aug 2023
Value US$47,168.00 | Price 58.96 | Shares 800
Proposed sale 10 Aug 2023
Value US$470,080.00 | Price 58.76 | Shares 8,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-02-25 2026-02-25 S Sale
Carter Deon

VP & President CAPV

Officer
13,000 -16.1%
363.58
US$2,322,875 		13,000 -16.1% 363.58 US$2,322,875
2026-02-25 2026-02-25 PrS Proposed sale
Deon Carter

Officer

Officer
3,890
418.20
US$4,622,866 		3,890 418.20 US$4,622,866
2026-02-24 2026-02-24 S Sale
Castle Angela M

VP & Chief Legal Officer

Officer
86,023 -17.7%
103.04
US$78,856 		86,023 -17.7% 103.04 US$78,856
2026-02-24 2026-02-24 PrS Proposed sale
Angela M. Castle

Officer

Officer
3,380
23.50
US$79,430 		3,380 23.50 US$79,430
2026-02-05 2026-02-03 S Sale
3.8
Sumner R Nichole

VP & Controller

Officer
4,750 -16.1%
22.49
US$106,846 		4,750 -16.1% 22.49 US$106,846
2026-02-05 2026-02-03 S Sale
2.4
Slater Todd A

VP & CFO

Officer
92,250 -67.6%
22.48
US$2,073,918 		92,250 -67.6% 22.48 US$2,073,918
2026-02-03 2026-02-03 PrS Proposed sale
3.8
R. Nichole Sumner

Officer

Officer
4,750
20.81
US$98,848 		4,750 20.81 US$98,848
2026-02-03 2026-02-03 PrS Proposed sale
2.4
Todd A. Slater

Officer

Officer
92,250
20.81
US$1,919,722 		92,250 20.81 US$1,919,722
2025-11-28 2025-11-26 S Sale
2.7
VERMILLION TERESA M

VP & Treasurer

Officer
4,500 -20.7%
20.86
US$93,850 		4,500 -20.7% 20.86 US$93,850
2025-11-24 2025-11-24 PrS Proposed sale
2.7
Teresa M. Vermillion

Officer

Officer
4,500
19.78
US$89,010 		4,500 19.78 US$89,010
2025-08-15 2025-08-13 S Sale
2.7
VERMILLION TERESA M

VP & Treasurer

Officer
6,000 -25.9%
21.11
US$126,642 		6,000 -25.9% 21.11 US$126,642
2025-08-13 2025-08-13 PrS Proposed sale
2.7
Teresa Vermillion

Officer

Officer
6,000
21.00
US$126,000 		6,000 21.00 US$126,000
2025-08-07 2025-08-06 B Purchase
3.0
Ehrhardt Marc

VP & Pres Corp Development

Officer
20,000 +inf%
18.70
US$373,956 		20,000 +inf% 18.70 US$373,956
2025-02-06 2025-02-04 B Purchase
2.1
Lane Kenneth Todd

President & CEO

Executive Director
7,250 +inf%
28.06
US$203,447 		7,250 +inf% 28.06 US$203,447
2024-11-12 2024-11-08 S Sale
3.8
Sumner R Nichole

VP & Controller

Officer
10,500 -30.4%
43.75
US$459,412 		10,500 -30.4% 43.75 US$459,412
2024-11-08 2024-11-08 PrS Proposed sale
3.8
R. Nicole Sumner

Officer

Officer
10,500
41.77
US$438,585 		10,500 41.77 US$438,585
2024-08-26 2024-08-26 PrS Proposed sale
3.8
Sumner, R. Nichole

Officer

Officer
10,500
42.77
US$449,085 		10,500 42.77 US$449,085
2024-04-29 2024-04-30 PrS Proposed sale
3.5
Scott M. Sutton

Former Officer

Officer
256,103
53.48
US$13,696,388 		256,103 53.48 US$13,696,388
2024-04-29 2024-04-30 PrS Proposed sale
3.5
Scott M. Sutton

Former Officer

Officer
2,083
53.48
US$111,399 		2,083 53.48 US$111,399
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
7,531 -7.7%
52.17
US$392,892 		7,531 -7.7% 52.17 US$392,892
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
8,896 -8.3%
52.30
US$465,261 		8,896 -8.3% 52.30 US$465,261
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
10,000 -8.6%
52.10
US$521,000 		10,000 -8.6% 52.10 US$521,000
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
10,000 -7.9%
52.50
US$525,000 		10,000 -7.9% 52.50 US$525,000
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
10,000 -7.3%
52.70
US$527,000 		10,000 -7.3% 52.70 US$527,000
2024-02-28 2024-02-27 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
2,469 -1.8%
52.80
US$130,363 		2,469 -1.8% 52.80 US$130,363
2024-02-28 2024-02-27 S Sale
3.2
FLAUGHER BRETT A

VP & Pres, Winchester

Officer
10,000 -11.4%
52.20
US$521,988 		10,000 -11.4% 52.20 US$521,988
2024-02-27 2024-02-27 PrS Proposed sale
3.2
Brett A. Flaugher

Officer

Officer
10,000
52.59
US$525,900 		10,000 52.59 US$525,900
2024-02-28 2024-02-26 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
2,734 -2.9%
52.50
US$143,535 		2,734 -2.9% 52.50 US$143,535
2024-02-28 2024-02-26 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
4,190 -4.3%
52.75
US$221,022 		4,190 -4.3% 52.75 US$221,022
2024-02-28 2024-02-26 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
10,000 -9.3%
52.50
US$525,000 		10,000 -9.3% 52.50 US$525,000
2024-02-28 2024-02-26 S Sale
3.2
FLAUGHER BRETT A

VP & Pres, Winchester

Officer
15,000 -63.1%
52.46
US$786,867 		15,000 -63.1% 52.46 US$786,867
2024-02-26 2024-02-26 PrS Proposed sale
3.2
Brett A. Flaugher

Officer

Officer
25,000
31.39
US$784,650 		25,000 31.39 US$784,650
2024-02-23 2024-02-23 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
1,946 -3.5%
53.00
US$103,140 		1,946 -3.5% 53.00 US$103,140
2024-02-23 2024-02-23 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
10,000 -15.3%
52.50
US$525,000 		10,000 -15.3% 52.50 US$525,000
2024-02-23 2024-02-23 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
5,000 -7.1%
52.65
US$263,250 		5,000 -7.1% 52.65 US$263,250
2024-02-23 2024-02-23 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
5,000 -6.6%
52.51
US$262,556 		5,000 -6.6% 52.51 US$262,556
2024-02-23 2024-02-22 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
5,000 -6.2%
52.50
US$262,523 		5,000 -6.2% 52.50 US$262,523
2024-02-23 2024-02-22 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
5,000 -5.9%
52.75
US$263,750 		5,000 -5.9% 52.75 US$263,750
2024-02-23 2024-02-22 S Sale
3.5
Sutton Scott McDougald

President & CEO

Executive Director
5,000 -5.5%
52.26
US$261,294 		5,000 -5.5% 52.26 US$261,294
2024-02-22 2024-02-22 PrS Proposed sale
3.5
Scott M. Sutton

Officer

Officer
217,900
51.15
US$11,145,585 		217,900 51.15 US$11,145,585
2024-02-01 2024-02-01 PrS Proposed sale
2.7
Valerie A. Peters

Director

Non-Executive Director
9,735
53.48
US$520,628 		9,735 53.48 US$520,628
2024-02-01 2024-02-01 S Sale
2.7
PETERS VALERIE A

VP, HR

Officer
4,735 -32.7%
52.18
US$247,082 		4,735 -32.7% 52.18 US$247,082
2024-02-01 2024-02-01 S Sale
2.7
PETERS VALERIE A

VP, HR

Officer
5,000 -25.7%
52.07
US$260,370 		5,000 -25.7% 52.07 US$260,370
2024-02-02 2024-01-31 S Sale
3.9
Gumpel Damian

VP & Pres, Epoxy & Corp Strat.

Officer
7,344 -100.0%
53.13
US$390,201 		7,344 -100.0% 53.13 US$390,201
2024-02-02 2024-01-31 S Sale
3.9
Gumpel Damian

VP & Pres, Epoxy & Corp Strat.

Officer
1,894 -6.8%
53.46
US$101,258 		1,894 -6.8% 53.46 US$101,258
2024-02-01 2024-01-31 S Sale
2.7
PETERS VALERIE A

VP, HR

Officer
49,200 -71.6%
52.52
US$2,583,950 		49,200 -71.6% 52.52 US$2,583,950
2024-02-01 2024-01-31 S Sale
2.7
PETERS VALERIE A

VP, HR

Officer
22,600 -24.8%
52.52
US$1,186,936 		22,600 -24.8% 52.52 US$1,186,936
2024-02-01 2024-01-31 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
45,537 -95.6%
53.44
US$2,433,497 		45,537 -95.6% 53.44 US$2,433,497
2024-01-31 2024-01-31 PrS Proposed sale
2.7
Valerie A. Peters

Officer

Officer
9,735
53.48
US$520,628 		9,735 53.48 US$520,628
2024-01-31 2024-01-31 PrS Proposed sale
2.7
Valerie A. Peters

Officer

Officer
71,800
53.48
US$3,839,864 		71,800 53.48 US$3,839,864
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
45,000 -48.6%
54.20
US$2,439,000 		45,000 -48.6% 54.20 US$2,439,000
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
52,380 -36.1%
54.00
US$2,828,520 		52,380 -36.1% 54.00 US$2,828,520
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
30,556 -17.4%
53.83
US$1,644,845 		30,556 -17.4% 53.83 US$1,644,845
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
105,858 -37.6%
53.89
US$5,705,026 		105,858 -37.6% 53.89 US$5,705,026
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
100,000 -26.2%
54.68
US$5,467,830 		100,000 -26.2% 54.68 US$5,467,830
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
155,534 -29.0%
53.50
US$8,320,991 		155,534 -29.0% 53.50 US$8,320,991
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
500 -0.1%
55.31
US$27,653 		500 -0.1% 55.31 US$27,653
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
22,002 -3.9%
54.58
US$1,200,876 		22,002 -3.9% 54.58 US$1,200,876
2024-02-01 2024-01-30 S Sale
3.5
Sutton Scott McDougald

Chairman, President & CEO

Executive Director
27,498 -4.7%
53.44
US$1,469,427 		27,498 -4.7% 53.44 US$1,469,427
2024-02-01 2024-01-30 S Sale
2.4
Slater Todd A

VP & CFO

Officer
38,250 -21.8%
54.09
US$2,068,920 		38,250 -21.8% 54.09 US$2,068,920
2024-02-01 2024-01-30 S Sale
2.4
Slater Todd A

VP & CFO

Officer
25,000 -12.5%
54.23
US$1,355,800 		25,000 -12.5% 54.23 US$1,355,800
2024-01-30 2024-01-30 PrS Proposed sale
3.9
Damian Gumpel

Officer

Officer
1,894
56.04
US$106,140 		1,894 56.04 US$106,140
2024-01-30 2024-01-30 PrS Proposed sale
3.9
Damian Gumpel

Officer

Officer
7,344
56.04
US$411,558 		7,344 56.04 US$411,558
2024-01-30 2024-01-30 PrS Proposed sale
3.9
Damian Gumpel

Officer

Officer
55,300
56.04
US$3,099,012 		55,300 56.04 US$3,099,012
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
105,858
56.04
US$5,932,282 		105,858 56.04 US$5,932,282
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
100,000
56.04
US$5,604,000 		100,000 56.04 US$5,604,000
2024-01-30 2024-01-30 PrS Proposed sale
2.4
Todd A. Slater

Officer

Officer
63,250
55.15
US$3,488,238 		63,250 55.15 US$3,488,238
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
205,534
55.15
US$11,335,200 		205,534 55.15 US$11,335,200
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
100,000
55.15
US$5,515,000 		100,000 55.15 US$5,515,000
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
30,556
55.15
US$1,685,163 		30,556 55.15 US$1,685,163
2024-01-30 2024-01-30 PrS Proposed sale
3.5
Scott Sutton

Officer

Officer
45,000
55.15
US$2,481,750 		45,000 55.15 US$2,481,750
2023-08-18 2023-08-18 S Sale
3.9
Gumpel Damian

VP & Pres, Epoxy & Corp Strat.

Officer
800 -2.8%
55.39
US$44,313 		800 -2.8% 55.39 US$44,313
2023-08-14 2023-08-10 S Sale
3.9
Gumpel Damian

VP & Pres, Epoxy & Corp Strat.

Officer
8,000 -22.4%
58.38
US$467,061 		8,000 -22.4% 58.38 US$467,061
2023-08-10 2023-08-10 PrS Proposed sale
3.9
Damian Gumpel

Officer

Officer
800
58.96
US$47,168 		800 58.96 US$47,168
2023-08-09 2023-08-10 PrS Proposed sale
3.9
Damian Gumpel

Officer

Officer
8,000
58.76
US$470,080 		8,000 58.76 US$470,080
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