Carol A Williams

Insider

First SEC filing: May 5, 2025 · Latest: May 5, 2025

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 96 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

96 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 14, 2026	OI	A	18,038	—	—	126,689 Direct	+16.60%	Acquired	(price as of 2026-08-20)
May 1, 2026	OLN	A	7,023	$28.48	$200,015	58,850 Direct	+13.55%	Acquired	-34.0% (price as of 2026-08-20)
May 15, 2025	OI	A	11,713	—	—	108,651 Direct	+12.08%	Acquired	(price as of 2026-08-20)
May 1, 2025	OLN	A	7,779	$21.77	$169,349	51,827 Direct	+17.66%	Acquired	-13.6% (price as of 2026-08-20)
May 1, 2025	OLN	A	1,378	$21.77	$29,999	7,947 Direct	+20.98%	Acquired	-13.6% (price as of 2026-08-20)
May 16, 2024	OI	A	10,933	—	—	96,938 Direct	+12.71%	Acquired	(price as of 2026-08-20)
May 1, 2024	OLN	A	2,569	$52.58	$135,078	44,048 Direct	+6.19%	Acquired	-64.2% (price as of 2026-08-20)
May 1, 2024	OLN	A	380	$52.58	$19,980	6,569 Direct	+6.14%	Acquired	-64.2% (price as of 2026-08-20)
May 10, 2023	OI	A	6,683	—	—	86,005 Direct	+8.43%	Acquired	(price as of 2026-08-20)
May 1, 2023	OLN	A	2,453	$55.07	$135,087	41,479 Direct	+6.29%	Acquired	-65.9% (price as of 2026-08-20)
May 1, 2023	OLN	A	363	$55.07	$19,990	6,189 Direct	+6.23%	Acquired	-65.9% (price as of 2026-08-20)
May 11, 2022	OI	A	10,802	—	—	79,322 Direct	+15.76%	Acquired	(price as of 2026-08-20)
May 2, 2022	OLN	A	2,340	$58.95	$137,943	39,026 Direct	+6.38%	Acquired	-68.1% (price as of 2026-08-20)
May 2, 2022	OLN	A	339	$58.95	$19,984	5,826 Direct	+6.18%	Acquired	-68.1% (price as of 2026-08-20)
May 12, 2021	OI	A	7,054	—	—	68,520 Direct	+11.48%	Acquired	(price as of 2026-08-20)
March 1, 2021	OLN	A	4,221	$32.21	$135,958	36,686 Direct	+13.00%	Acquired	-41.6% (price as of 2026-08-20)
March 1, 2021	OLN	A	621	$32.21	$20,002	5,487 Direct	+12.76%	Acquired	-41.6% (price as of 2026-08-20)
May 13, 2020	OI	A	20,259	—	—	61,466 Direct	+49.16%	Acquired	(price as of 2026-08-20)
March 2, 2020	OLN	A	1,230	$16.26	$20,000	4,866 Direct	+33.83%	Acquired	15.6% (price as of 2026-08-20)
March 2, 2020	OLN	A	8,330	$16.26	$135,446	32,465 Direct	+34.51%	Acquired	15.6% (price as of 2026-08-20)
Aug. 5, 2019	OI	P	10,000	$12.21	$122,100	41,207 Direct	+32.04%	Acquired	-46.3% (price as of 2026-08-20)
May 17, 2019	OI	A	7,200	—	—	31,207 Direct	+29.99%	Acquired	(price as of 2026-08-20)
March 1, 2019	OLN	A	5,284	$25.51	$134,795	24,135 Direct	+28.03%	Acquired	-26.3% (price as of 2026-08-20)
March 1, 2019	OLN	A	784	$25.51	$20,000	3,636 Direct	+27.49%	Acquired	-26.3% (price as of 2026-08-20)
May 11, 2018	OI	A	6,296	—	—	24,007 Direct	+35.55%	Acquired	(price as of 2026-08-20)
March 1, 2018	OLN	A	4,218	$32.34	$136,410	18,851 Direct	+28.83%	Acquired	-41.9% (price as of 2026-08-20)
March 1, 2018	OLN	A	619	$32.34	$20,018	2,852 Direct	+27.72%	Acquired	-41.9% (price as of 2026-08-20)
May 12, 2017	OI	A	5,002	—	—	17,711 Direct	+39.36%	Acquired	(price as of 2026-08-20)
March 1, 2017	OLN	A	4,225	$32.01	$135,242	14,633 Direct	+40.59%	Acquired	-41.3% (price as of 2026-08-20)
March 1, 2017	OLN	A	625	$32.01	$20,006	2,233 Direct	+38.87%	Acquired	-41.3% (price as of 2026-08-20)
May 27, 2016	OI	A	5,411	—	—	12,709 Direct	+74.14%	Acquired	(price as of 2026-08-20)
March 1, 2016	OLN	A	8,805	$15.33	$134,981	10,408 Direct	+549.28%	Acquired	22.6% (price as of 2026-08-20)
March 1, 2016	OLN	A	1,305	$15.33	$20,006	1,608 Direct	+430.69%	Acquired	22.6% (price as of 2026-08-20)
Nov. 12, 2015	OLN	A	1,603	$19.39	$31,082	1,603 Direct	—	Acquired	-3.0% (price as of 2026-08-20)
Nov. 12, 2015	OLN	A	303	$19.39	$5,875	303 Direct	—	Acquired	-3.0% (price as of 2026-08-20)
Nov. 12, 2015	OLN	A	535	$19.39	$10,374	535 Direct	—	Acquired	-3.0% (price as of 2026-08-20)
Nov. 12, 2015	OLN	A	101	$19.39	$1,958	101 Direct	—	Acquired	-3.0% (price as of 2026-08-20)
May 13, 2015	OI	A	3,888	—	—	7,298 Direct	+114.02%	Acquired	(price as of 2026-08-20)
May 16, 2014	OI	A	3,410	—	—	3,410 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 5, 2013	29915	S	25,000	$36.26	$906,500	3,631 Indirect	-87.32%	Disposed
Feb. 26, 2013	29915	F	2,878	$30.89	$88,901	122,598 Direct	-2.29%	Disposed
Feb. 26, 2013	29915	A	9,106	$30.89	$281,284	125,476 Direct	+7.83%	Acquired
Feb. 15, 2013	29915	A	201,290	—	—	201,290 Direct	—	Acquired
Feb. 15, 2013	29915	A	27,350	—	—	116,370 Direct	+30.72%	Acquired
Feb. 13, 2013	29915	S	16,000	$33.00	$528,000	62,936 Indirect	-20.27%	Disposed
Feb. 12, 2013	29915	F	5,306	$32.76	$173,825	89,020 Direct	-5.63%	Disposed
Feb. 21, 2012	29915	S	5,000	$35.00	$175,000	78,936 Indirect	-5.96%	Disposed
Feb. 16, 2012	29915	F	1,322	$34.03	$44,988	93,926 Direct	-1.39%	Disposed
Feb. 13, 2012	29915	F	4,744	$34.19	$162,197	112,164 Direct	-4.06%	Disposed
Feb. 13, 2012	29915	M	33,608	—	—	0 Direct	-100.00%	Disposed
Feb. 13, 2012	29915	F	9,485	$33.77	$320,308	99,992 Direct	-8.66%	Disposed
Feb. 13, 2012	29915	F	7,431	$33.77	$250,945	109,477 Direct	-6.36%	Disposed
Feb. 13, 2012	29915	M	33,608	$9.53	$320,284	116,908 Direct	+40.35%	Acquired
Feb. 10, 2012	29915	A	147,130	—	—	147,130 Direct	—	Acquired
Feb. 10, 2012	29915	A	25,370	—	—	83,300 Direct	+43.79%	Acquired
Nov. 18, 2011	29915	F	6,885	$25.95	$178,666	67,920 Direct	-9.20%	Disposed
Nov. 18, 2011	29915	A	16,875	—	—	74,805 Direct	+29.13%	Acquired
March 1, 2011	29915	J	2,016	—	—	67,186 Indirect	+3.09%	Acquired
March 1, 2011	29915	J	2,016	—	—	61,790 Direct	-3.16%	Disposed
March 1, 2011	29915	F	1,045	$36.83	$38,487	63,806 Direct	-1.61%	Disposed
Feb. 15, 2011	29915	F	2,335	$37.96	$88,637	62,835 Direct	-3.58%	Disposed
Feb. 14, 2011	29915	M	33,606	$9.53	$320,265	98,776 Direct	+51.57%	Acquired
Feb. 14, 2011	29915	F	8,393	$38.16	$320,277	90,383 Direct	-8.50%	Disposed
Feb. 14, 2011	29915	F	8,551	$38.16	$326,306	81,832 Direct	-9.46%	Disposed
Feb. 14, 2011	29915	J	16,662	—	—	65,170 Direct	-20.36%	Disposed
Feb. 14, 2011	29915	J	16,662	—	—	65,170 Indirect	+34.35%	Acquired
Feb. 14, 2011	29915	M	33,606	—	—	33,608 Direct	-50.00%	Disposed
Feb. 11, 2011	29915	A	18,540	—	—	65,170 Direct	+39.76%	Acquired
Feb. 11, 2011	29915	A	106,710	—	—	106,710 Direct	—	Acquired
Feb. 9, 2011	29915	M	19,000	$27.40	$520,600	63,614 Direct	+42.59%	Acquired
Feb. 9, 2011	29915	M	12,500	$30.42	$380,250	76,114 Direct	+19.65%	Acquired
Feb. 9, 2011	29915	M	10,000	$33.94	$339,400	86,114 Direct	+13.14%	Acquired
Feb. 9, 2011	29915	F	364	$37.87	$13,785	85,750 Direct	-0.42%	Disposed
Feb. 9, 2011	29915	F	763	$37.87	$28,895	84,987 Direct	-0.89%	Disposed
Feb. 9, 2011	29915	F	1,618	$37.87	$61,274	83,369 Direct	-1.90%	Disposed
Feb. 9, 2011	29915	J	3,985	—	—	79,384 Direct	-4.78%	Disposed
Feb. 9, 2011	29915	F	8,963	$37.87	$339,429	70,421 Direct	-11.29%	Disposed
Feb. 9, 2011	29915	F	10,043	$37.87	$380,328	60,378 Direct	-14.26%	Disposed
Feb. 9, 2011	29915	F	13,748	$37.87	$520,637	46,630 Direct	-22.77%	Disposed
Feb. 9, 2011	29915	J	3,985	—	—	48,508 Indirect	+8.95%	Acquired
Feb. 9, 2011	29915	M	19,000	—	—	0 Direct	-100.00%	Disposed
Feb. 9, 2011	29915	M	12,500	—	—	0 Direct	-100.00%	Disposed
Feb. 9, 2011	29915	M	10,000	—	—	0 Direct	-100.00%	Disposed
Sept. 2, 2010	29915	G	531	—	—	44,123 Indirect	-1.19%	Disposed
March 8, 2010	29915	M	33,606	—	—	67,214 Direct	-33.33%	Disposed
March 8, 2010	29915	J	14,247	—	—	41,666 Indirect	+51.96%	Acquired
March 8, 2010	29915	J	14,247	—	—	49,618 Direct	-22.31%	Disposed
March 8, 2010	29915	F	10,667	$30.02	$320,223	63,865 Direct	-14.31%	Disposed
March 8, 2010	29915	F	8,692	$30.02	$260,934	74,532 Direct	-10.44%	Disposed
March 8, 2010	29915	M	33,606	$9.53	$320,265	83,224 Direct	+67.73%	Acquired
Feb. 18, 2010	29915	F	1,352	$29.12	$39,370	49,618 Direct	-2.65%	Disposed
Feb. 12, 2010	29915	A	101,800	—	—	101,800 Direct	—	Acquired
Feb. 12, 2010	29915	A	16,800	—	—	50,970 Direct	+49.17%	Acquired
Sept. 19, 2009	29915	J	2,000	—	—	2,000 Indirect	—	Acquired
Feb. 13, 2009	29915	A	100,820	—	—	100,820 Direct	—	Acquired
Feb. 13, 2009	29915	F	1,619	$9.78	$15,834	37,551 Direct	-4.13%	Disposed
Feb. 13, 2009	29915	A	15,400	—	—	39,170 Direct	+64.79%	Acquired
April 17, 2008	29915	F	1,037	$39.26	$40,713	36,767 Direct	-2.74%	Disposed
April 17, 2008	29915	M	6,224	—	—	0 Direct	-100.00%	Disposed
April 16, 2008	29915	M	18,221	—	—	6,224 Direct	-74.54%	Disposed

Showing latest 100 of 112 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 1, 2026	OLN	Phantom Stock Units	Common Stock (7,023)	—	—	7,023	Acquired
May 1, 2025	OLN	Phantom Stock Units	Common Stock (7,779)	—	—	7,779	Acquired
May 1, 2024	OLN	Phantom Stock Units [F2]	Common Stock (2,569)	—	—	2,569	Acquired
May 1, 2023	OLN	Phantom Stock Units [F2]	Common Stock (2,453)	—	—	2,453	Acquired
May 2, 2022	OLN	Phantom Stock Units [F2]	Common Stock (2,340)	—	—	2,340	Acquired
March 1, 2021	OLN	Phantom Stock Units [F2]	Common Stock (4,221)	—	—	4,221	Acquired
March 2, 2020	OLN	Phantom Stock Units [F2]	Common Stock (8,330)	—	—	8,330	Acquired
March 1, 2019	OLN	Phantom Stock Units [F2]	Common Stock (5,284)	—	—	5,284	Acquired
March 1, 2018	OLN	Phantom Stock Units [F2]	Common Stock (4,218)	—	—	4,218	Acquired
March 1, 2017	OLN	Phantom Stock Units [F2]	Common Stock (4,225)	—	—	4,225	Acquired
March 1, 2016	OLN	Phantom Stock Units [F2]	Common Stock (8,805)	—	—	8,805	Acquired
Nov. 12, 2015	OLN	Phantom Stock Units [F3]	Common Stock (1,603)	—	—	1,603	Acquired
Nov. 12, 2015	OLN	Phantom Stock Units [F2]	Common Stock (535)	—	—	535	Acquired
Feb. 15, 2013	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (201,290)	$32.16	Feb. 15, 2023	201,290	Acquired
Feb. 13, 2012	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (33,608)	$9.53	Feb. 13, 2019	33,608	Disposed
Feb. 10, 2012	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (147,130)	$34.00	Feb. 10, 2022	147,130	Acquired
Feb. 14, 2011	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (33,606)	$9.53	Feb. 13, 2019	33,606	Disposed
Feb. 11, 2011	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (106,710)	$38.38	Feb. 11, 2021	106,710	Acquired
Feb. 9, 2011	29915	Non-Qualified Stock Option (right to buy) [F3]	Common (19,000)	$27.40	Feb. 14, 2013	19,000	Disposed
Feb. 9, 2011	29915	Non-Qualified Stock Option (right to buy) [F3]	Common (12,500)	$30.42	Feb. 15, 2012	12,500	Disposed
Feb. 9, 2011	29915	Non-Qualified Stock Option (right to buy) [F3]	Common (10,000)	$33.94	March 2, 2011	10,000	Disposed
March 8, 2010	29915	Non-Qualified Stock Option (right to buy) [F3]	Common (33,606)	$9.53	Feb. 13, 2019	33,606	Disposed
Feb. 12, 2010	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (101,800)	$27.79	Feb. 12, 2020	101,800	Acquired
Feb. 13, 2009	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (100,820)	$9.53	Feb. 13, 2019	100,820	Acquired
April 17, 2008	29915	Employee Deferred Stock - Performance Shares [F3]	Common (6,224)	—	—	6,224	Disposed
April 16, 2008	29915	Employee Deferred Stock - Performance Shares [F3]	Common (18,221)	—	—	18,221	Disposed
Feb. 15, 2008	29915	Non-Qualified Stock Option (right to buy) [F1]	Common (65,890)	$38.62	Feb. 15, 2018	65,890	Acquired
Jan. 29, 2008	29915	Employee Deferred Stock - Performance Shares [F1]	Common (6,224)	—	—	6,224	Acquired
Jan. 29, 2008	29915	Employee Deferred Stock - Performance Shares [F1]	Common (18,221)	—	—	18,221	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 7, 2015	OLN	Common Stock $1 par value	0	Direct