Joseph D Rupp

CIK 1220622 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 12, 2025 · Latest: Sept. 12, 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 + 95 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

95 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 11, 2026	CASS	A	262	$49.44	$12,953	23,981 Direct	+1.10%	Acquired	17.2% (price as of 2026-08-19)
April 23, 2026	CASS	A	1,704	$46.94	$79,986	23,719 Direct	+7.74%	Acquired	23.4% (price as of 2026-08-19)
March 19, 2026	CASS	A	301	$43.15	$12,988	22,015 Direct	+1.39%	Acquired	34.3% (price as of 2026-08-19)
Dec. 11, 2025	CASS	A	297	$43.65	$12,964	21,714 Direct	+1.39%	Acquired	32.7% (price as of 2026-08-19)
Sept. 11, 2025	CASS	A	298	$43.52	$12,969	21,417 Direct	+1.41%	Acquired	33.1% (price as of 2026-08-19)
June 19, 2025	CASS	A	311	$41.68	$12,962	21,119 Direct	+1.49%	Acquired	39.0% (price as of 2026-08-19)
April 17, 2025	CASS	A	2,026	$39.48	$79,986	20,808 Direct	+10.79%	Acquired	46.8% (price as of 2026-08-19)
March 20, 2025	CASS	A	297	$43.70	$12,979	18,782 Direct	+1.61%	Acquired	32.6% (price as of 2026-08-19)
Dec. 19, 2024	CASS	A	307	$42.26	$12,974	18,485 Direct	+1.69%	Acquired	37.1% (price as of 2026-08-19)
Sept. 19, 2024	CASS	A	301	$43.09	$12,970	18,178 Direct	+1.68%	Acquired	34.5% (price as of 2026-08-19)
June 20, 2024	CASS	A	318	$40.76	$12,962	17,877 Direct	+1.81%	Acquired	42.1% (price as of 2026-08-19)
April 18, 2024	CASS	A	1,602	$43.68	$69,975	17,559 Direct	+10.04%	Acquired	32.6% (price as of 2026-08-19)
March 21, 2024	CASS	A	276	$46.99	$12,969	15,957 Direct	+1.76%	Acquired	23.3% (price as of 2026-08-19)
Dec. 21, 2023	CASS	A	286	$45.33	$12,964	15,681 Direct	+1.86%	Acquired	27.8% (price as of 2026-08-19)
Sept. 21, 2023	CASS	A	337	$38.50	$12,974	15,395 Direct	+2.24%	Acquired	50.5% (price as of 2026-08-19)
June 22, 2023	CASS	A	322	$40.37	$12,999	15,058 Direct	+2.19%	Acquired	43.5% (price as of 2026-08-19)
June 1, 2023	NUE	A	1,240	—	—	7,388 Direct	+20.17%	Acquired	(price as of 2026-08-19)
April 20, 2023	CASS	A	1,595	$37.61	$59,988	14,736 Direct	+12.14%	Acquired	54.1% (price as of 2026-08-19)
March 23, 2023	CASS	A	290	$44.73	$12,972	13,141 Direct	+2.26%	Acquired	29.5% (price as of 2026-08-19)
Dec. 22, 2022	CASS	A	296	$43.91	$12,997	12,851 Direct	+2.36%	Acquired	32.0% (price as of 2026-08-19)
Sept. 22, 2022	CASS	A	374	$34.75	$12,996	12,555 Direct	+3.07%	Acquired	66.7% (price as of 2026-08-19)
June 23, 2022	CASS	A	369	$33.82	$12,480	12,181 Direct	+3.12%	Acquired	71.3% (price as of 2026-08-19)
June 1, 2022	NUE	A	1,262	—	—	6,148 Direct	+25.83%	Acquired	(price as of 2026-08-19)
May 11, 2022	OI	A	10,802	—	—	55,125 Direct	+24.37%	Acquired	(price as of 2026-08-19)
April 21, 2022	CASS	A	1,458	$41.16	$60,011	11,812 Direct	+14.08%	Acquired	40.8% (price as of 2026-08-19)
March 24, 2022	CASS	A	350	$37.07	$12,974	10,354 Direct	+3.50%	Acquired	56.3% (price as of 2026-08-19)
Dec. 23, 2021	CASS	A	310	$40.25	$12,478	10,004 Direct	+3.20%	Acquired	44.0% (price as of 2026-08-19)
Nov. 1, 2021	NX	A	4,797	—	—	42,276 Direct	+12.80%	Acquired	(price as of 2026-08-19)
Sept. 24, 2021	CASS	A	292	$42.80	$12,498	9,694 Direct	+3.11%	Acquired	35.4% (price as of 2026-08-19)
Aug. 4, 2021	CASS	A	298	$41.90	$12,486	9,402 Direct	+3.27%	Acquired	38.3% (price as of 2026-08-19)
June 1, 2021	NUE	A	1,354	—	—	4,886 Direct	+38.34%	Acquired	(price as of 2026-08-19)
May 12, 2021	OI	A	7,054	—	—	44,323 Direct	+18.93%	Acquired	(price as of 2026-08-19)
April 22, 2021	CASS	A	1,215	—	—	9,104 Direct	+15.40%	Acquired	(price as of 2026-08-19)
March 25, 2021	CASS	A	190	$45.95	$8,730	7,889 Direct	+2.47%	Acquired	26.1% (price as of 2026-08-19)
Dec. 31, 2020	CASS	A	225	$38.81	$8,732	7,699 Direct	+3.01%	Acquired	49.3% (price as of 2026-08-19)
Nov. 2, 2020	NX	A	4,118	—	—	37,479 Direct	+12.34%	Acquired	(price as of 2026-08-19)
Oct. 8, 2020	NX	M	6,390	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Oct. 8, 2020	NX	S	6,390	$19.59	$125,180	45,910 Direct	-12.22%	Disposed	6.1% (price as of 2026-08-19)
Oct. 8, 2020	NX	M	6,390	$18.02	$115,148	52,300 Direct	+13.92%	Acquired	15.4% (price as of 2026-08-19)
Sept. 24, 2020	CASS	A	233	$37.47	$8,731	7,474 Direct	+3.22%	Acquired	54.6% (price as of 2026-08-19)
June 25, 2020	CASS	A	228	$38.23	$8,716	7,241 Direct	+3.25%	Acquired	51.6% (price as of 2026-08-19)
June 1, 2020	NUE	A	3,532	—	—	3,532 Direct	—	Acquired	(price as of 2026-08-19)
May 13, 2020	OI	A	20,259	—	—	37,269 Direct	+119.10%	Acquired	(price as of 2026-08-19)
April 23, 2020	CASS	A	1,019	—	—	7,013 Direct	+17.00%	Acquired	(price as of 2026-08-19)
March 26, 2020	CASS	A	235	$37.10	$8,718	5,994 Direct	+4.08%	Acquired	56.2% (price as of 2026-08-19)
Dec. 26, 2019	CASS	A	150	$58.21	$8,732	5,759 Direct	+2.67%	Acquired	-0.5% (price as of 2026-08-19)
Nov. 1, 2019	NX	A	4,221	—	—	33,361 Direct	+14.49%	Acquired	(price as of 2026-08-19)
Sept. 26, 2019	CASS	A	159	$54.75	$8,705	5,609 Direct	+2.92%	Acquired	5.8% (price as of 2026-08-19)
Sept. 12, 2019	NX	M	5,489	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 12, 2019	NX	M	5,489	$14.87	$81,621	45,910 Direct	+13.58%	Acquired	39.8% (price as of 2026-08-19)
June 27, 2019	CASS	A	182	$47.96	$8,729	5,450 Direct	+3.45%	Acquired	20.8% (price as of 2026-08-19)
May 17, 2019	OI	A	7,200	—	—	17,010 Direct	+73.39%	Acquired	(price as of 2026-08-19)
April 25, 2019	CASS	A	1,121	—	—	5,268 Direct	+27.03%	Acquired	(price as of 2026-08-19)
March 28, 2019	CASS	A	170	$47.25	$8,032	4,147 Direct	+4.27%	Acquired	22.6% (price as of 2026-08-19)
Dec. 27, 2018	CASS	A	158	—	—	3,977 Direct	+4.14%	Acquired	(price as of 2026-08-19)
Dec. 27, 2018	NX	P	15,000	$13.06	$195,900	40,421 Direct	+59.01%	Acquired	59.2% (price as of 2026-08-19)
Dec. 26, 2018	NX	P	15,000	$12.91	$193,650	25,421 Direct	+143.94%	Acquired	61.0% (price as of 2026-08-19)
Nov. 1, 2018	NX	A	5,184	—	—	29,140 Direct	+21.64%	Acquired	(price as of 2026-08-19)
Oct. 18, 2018	NX	M	10,421	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Oct. 18, 2018	NX	M	10,421	$9.16	$95,456	10,421 Direct	—	Acquired	127.0% (price as of 2026-08-19)
Sept. 27, 2018	CASS	A	126	—	—	3,183 Direct	+4.12%	Acquired	(price as of 2026-08-19)
June 28, 2018	CASS	A	117	—	—	3,057 Direct	+3.98%	Acquired	(price as of 2026-08-19)
May 11, 2018	OI	A	9,810	—	—	9,810 Direct	—	Acquired	(price as of 2026-08-19)
April 26, 2018	CASS	A	862	—	—	2,940 Direct	+41.48%	Acquired	(price as of 2026-08-19)
March 29, 2018	CASS	A	126	—	—	2,078 Direct	+6.45%	Acquired	(price as of 2026-08-19)
March 15, 2018	NX	M	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-19)
March 15, 2018	NX	S	10,000	$17.71	$177,100	0 Direct	-100.00%	Disposed	17.4% (price as of 2026-08-19)
March 15, 2018	NX	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Dec. 21, 2017	CASS	A	122	—	—	1,952 Direct	+6.67%	Acquired	(price as of 2026-08-19)
Nov. 1, 2017	NX	A	3,610	—	—	23,956 Direct	+17.74%	Acquired	(price as of 2026-08-19)
Sept. 27, 2017	CASS	A	118	—	—	1,664 Direct	+7.63%	Acquired	(price as of 2026-08-19)
June 28, 2017	CASS	A	113	—	—	1,546 Direct	+7.89%	Acquired	(price as of 2026-08-19)
April 25, 2017	CASS	A	758	—	—	1,433 Direct	+112.30%	Acquired	(price as of 2026-08-19)
March 31, 2017	CASS	A	112	—	—	675 Direct	+19.89%	Acquired	(price as of 2026-08-19)
Dec. 22, 2016	CASS	A	101	—	—	563 Direct	+21.86%	Acquired	(price as of 2026-08-19)
Nov. 14, 2016	OLN	M	179,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 14, 2016	OLN	F	120,570	$24.56	$2,961,199	639,473 Direct	-15.86%	Disposed	-22.7% (price as of 2026-08-19)
Nov. 14, 2016	OLN	M	179,250	$16.52	$2,961,210	760,043 Direct	+30.86%	Acquired	15.0% (price as of 2026-08-19)
Nov. 14, 2016	OLN	M	179,250	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 14, 2016	OLN	F	120,570	$24.56	$2,961,199	639,473 Direct	-15.86%	Disposed	-22.7% (price as of 2026-08-19)
Nov. 14, 2016	OLN	M	179,250	$16.52	$2,961,210	760,043 Direct	+30.86%	Acquired	15.0% (price as of 2026-08-19)
Nov. 1, 2016	NX	A	4,912	—	—	20,346 Direct	+31.83%	Acquired	(price as of 2026-08-19)
Oct. 17, 2016	CASS	A	462	—	—	462 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 17, 2016	OLN	A	37,500	—	—	580,793 Direct	+6.90%	Acquired	(price as of 2026-08-19)
Feb. 18, 2016	OLN	P	70,000	$14.26	$998,200	543,293 Direct	+14.79%	Acquired	33.2% (price as of 2026-08-19)
Nov. 2, 2015	NX	A	4,089	—	—	15,434 Direct	+36.04%	Acquired	(price as of 2026-08-19)
Oct. 5, 2015	OLN	D	107,225	$20.15	$2,160,584	473,293 Direct	-18.47%	Disposed	-5.7% (price as of 2026-08-19)
Oct. 5, 2015	OLN	M	107,225	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Oct. 5, 2015	OLN	D	107,225	$19.95	$2,139,139	473,293 Direct	-18.47%	Disposed	-4.8% (price as of 2026-08-19)
Oct. 5, 2015	OLN	M	107,225	—	—	580,518 Direct	+22.66%	Acquired	(price as of 2026-08-19)
Aug. 19, 2015	OLN	A	40,500	—	—	473,293 Direct	+9.36%	Acquired	(price as of 2026-08-19)
Feb. 13, 2015	OLN	A	218,250	—	—	218,250 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 13, 2015	OLN	A	83,000	—	—	83,000 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 14, 2014	OLN	M	102,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 14, 2014	OLN	F	95,803	$25.38	$2,431,480	432,793 Direct	-18.12%	Disposed	-25.2% (price as of 2026-08-19)
Nov. 14, 2014	OLN	M	102,250	$23.78	$2,431,505	528,596 Direct	+23.98%	Acquired	-20.1% (price as of 2026-08-19)
Oct. 31, 2014	NX	A	1,287	—	—	11,345 Direct	+12.80%	Acquired	(price as of 2026-08-19)
Oct. 31, 2014	NX	A	4,880	—	—	4,880 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 27, 2014	OLN	A	35,000	—	—	426,346 Direct	+8.94%	Acquired	(price as of 2026-08-19)
Feb. 10, 2014	OLN	A	180,000	—	—	180,000 Direct	—	Acquired	(price as of 2026-08-19)

Showing latest 100 of 142 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
Nov. 1, 2021	NX	Restricted Stock Units	Common Stock (4,797)	—	—	4,797	Acquired
Nov. 2, 2020	NX	Restricted Stock Units	Common Stock (4,118)	—	—	4,118	Acquired
Oct. 8, 2020	NX	Stock Options (Right to Buy)	Common Stock (6,390)	$18.02	Oct. 29, 2020	6,390	Disposed
Nov. 1, 2019	NX	Restricted Stock Units	Common Stock (4,221)	—	—	4,221	Acquired
Sept. 12, 2019	NX	Stock Options (Right to Buy)	Common Stock (5,489)	$14.87	Oct. 30, 2019	5,489	Disposed
Nov. 1, 2018	NX	Restricted Stock Units	Common Stock (5,184)	—	—	5,184	Acquired
Oct. 18, 2018	NX	Stock Options (Right to Buy)	Common Stock (10,421)	$9.16	Oct. 31, 2018	10,421	Disposed
March 15, 2018	NX	Stock Options (Right to Buy)	Common Stock (10,000)	$15.02	April 23, 2018	10,000	Disposed
Nov. 1, 2017	NX	Restricted Stock Units	Common Stock (3,610)	—	—	3,610	Acquired
Nov. 14, 2016	OLN	Employee Stock Options (Right to Buy)	Common Stock (179,250)	$16.52	Feb. 13, 2017	179,250	Disposed
Nov. 14, 2016	OLN	Employee Stock Options (Right to Buy)	Common Stock (179,250)	$16.52	Feb. 13, 2017	179,250	Acquired
Nov. 1, 2016	NX	Restricted Stock Units	Common Stock (4,912)	—	—	4,912	Acquired
Nov. 2, 2015	NX	Restricted Stock Units	Common Stock (4,089)	—	—	4,089	Acquired
Oct. 5, 2015	OLN	Phantom Stock Units	Common Stock (107,225)	—	Oct. 5, 2015	107,225	Disposed
Feb. 13, 2015	OLN	Employee Stock Option Right to Buy	Common Stock (218,250)	$27.40	Feb. 12, 2025	218,250	Acquired
Feb. 13, 2015	OLN	Employee Stock Option Right to Buy	Common Stock (83,000)	$27.40	Feb. 12, 2025	83,000	Acquired
Nov. 14, 2014	OLN	Employee Stock Option Right to Buy	Common Stock (102,250)	$23.78	Feb. 9, 2015	102,250	Disposed
Oct. 31, 2014	NX	Restricted Stock Units	Common Stock (1,287)	—	—	1,287	Acquired
Oct. 31, 2014	NX	Stock Options (Right to Buy)	Common Stock (4,880)	$20.02	Oct. 31, 2024	4,880	Acquired
Feb. 10, 2014	OLN	Employee Stock Option Right to Buy	Common Stock (180,000)	$25.57	Feb. 9, 2024	180,000	Acquired
Feb. 10, 2014	OLN	Option Right to Buy	Common Stock (76,700)	$18.52	Feb. 11, 2013	76,700	Acquired
Oct. 31, 2013	NX	Restricted Stock Units	Common Stock (1,375)	—	—	1,375	Acquired
Oct. 31, 2013	NX	Stock Options (Right to Buy)	Common Stock (5,009)	$17.78	Oct. 31, 2023	5,009	Acquired
Feb. 11, 2013	OLN	Employee Stock Option Right to Buy	Common Stock (184,000)	$23.28	Feb. 10, 2023	184,000	Acquired
Feb. 5, 2013	OLN	Employee Stock Option Right to Buy	Common Stock (75,000)	$15.35	Feb. 12, 2013	75,000	Acquired
Oct. 31, 2012	NX	Restricted Stock Units	Common Stock (1,272)	—	—	1,272	Acquired
Oct. 31, 2012	NX	Stock Options (Right to Buy)	Common Stock (5,987)	$19.77	Oct. 31, 2022	5,987	Acquired
Feb. 10, 2012	OLN	Employee Stock Option (right to buy)	Common Stock (148,500)	$21.92	Feb. 9, 2022	148,500	Acquired
Oct. 31, 2011	NX	Stock Options (Right to Buy)	Common Stock (8,132)	$14.75	Oct. 31, 2021	8,132	Acquired
Oct. 31, 2011	NX	Restricted Stock Units	Common Stock (1,713)	—	—	1,713	Acquired
Feb. 11, 2011	OLN	Employee Stock Option (right to buy)	Common Stock (169,000)	$18.78	Feb. 10, 2021	169,000	Acquired
Oct. 29, 2010	NX	Stock Options (Right to Buy)	Common Stock (6,390)	$18.02	Oct. 29, 2020	6,390	Acquired
Oct. 29, 2010	NX	Restricted Stock Units	Common Stock (1,398)	—	—	1,398	Acquired
Feb. 5, 2010	OLN	Employee Stock Option (right to buy)	Common Stock (266,250)	$15.68	Feb. 4, 2020	266,250	Acquired
Oct. 30, 2009	NX	Restricted Stock Units	Common Stock (1,571)	—	—	1,571	Acquired
Oct. 30, 2009	NX	Stock Options (Right to Buy)	Common Stock (5,489)	$14.87	Oct. 30, 2019	5,489	Acquired
Oct. 30, 2009	NX	Stock Options (Right to Buy)	Common Stock (5,489)	$14.87	Oct. 30, 2019	5,489	Acquired
Oct. 30, 2009	NX	Restricted Stock Units	Common Stock (1,571)	—	—	1,571	Acquired
Feb. 5, 2009	OLN	Employee Stock Option (right to buy)	Common Stock (268,750)	$14.28	Feb. 4, 2019	268,750	Acquired
April 23, 2008	NX	Employee Stock Option (right to buy)	Common Stock (10,000)	$15.02	April 23, 2018	10,000	Acquired
April 23, 2008	NX	Employee Stock Option (right to buy)	Common Stock (10,000)	$15.02	April 23, 2018	10,000	Acquired
Feb. 7, 2008	OLN	Employee Stock Option (right to buy)	Common Stock (170,250)	$20.29	Feb. 6, 2018	170,250	Acquired
Feb. 13, 2007	OLN	Employee Stock Option (right to buy)	Common Stock (179,250)	$16.52	Feb. 12, 2017	179,250	Acquired
Feb. 9, 2006	OLN	Employee Stock Option (right to buy)	Common Stock (157,000)	$20.68	Feb. 8, 2016	157,000	Acquired
April 26, 2005	OLN	Employee Stock Option (right to buy)	Common Stock (772)	$17.16	April 26, 2005	772	Disposed
April 26, 2005	OLN	Employee Stock Option (right to buy)	Common Stock (3,671)	$17.16	April 26, 2005	3,671	Disposed
Feb. 10, 2005	OLN	Employee Stock Option (right to buy)	Common Stock (102,250)	$23.78	Feb. 9, 2015	102,250	Acquired
Feb. 12, 2004	OLN	Employee Stock Option (right to buy)	Common Stock (76,700)	$18.52	Feb. 11, 2014	76,700	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. 20, 2016	CASS	Common Stock	0	Direct