Reuben S Leibowitz

Insider

First SEC filing: June 2, 2005 · Latest: Feb. 12, 2020

On this page

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

SPG buying June 30, 2026

Insider transactions

6 buys (P) 0 sells (S) Net: $379,282 + 35 non-open-market transactions below Avg return of open purchases vs now: 9.6% 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

35 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	SPG	P	25	$223.94	$5,598	55,797 Direct	+0.04%	Acquired	-0.7% (price as of 2026-08-20)
June 30, 2026	SPG	P	53	$225.03	$11,927	55,772 Direct	+0.10%	Acquired	-1.2% (price as of 2026-08-20)
June 30, 2026	SPG	P	430	$223.14	$95,950	55,719 Direct	+0.78%	Acquired	-0.4% (price as of 2026-08-20)
May 13, 2026	SPG	A	1,159	—	—	55,289 Direct	+2.14%	Acquired	(price as of 2026-08-20)
March 31, 2026	SPG	P	491	$183.80	$90,246	54,130 Direct	+0.92%	Acquired	20.9% (price as of 2026-08-20)
Dec. 31, 2025	SPG	P	480	$186.00	$89,280	53,639 Direct	+0.90%	Acquired	19.5% (price as of 2026-08-20)
Sept. 30, 2025	SPG	P	464	$185.95	$86,281	58,659 Direct	+0.80%	Acquired	19.5% (price as of 2026-08-20)
Sept. 30, 2022	SPG	P	583	$89.29	$52,056	45,834 Direct	+1.29%	Acquired	148.9% (price as of 2026-08-20)
June 30, 2022	SPG	P	528	$93.83	$49,542	45,251 Direct	+1.18%	Acquired	136.9% (price as of 2026-08-20)
May 11, 2022	SPG	A	1,608	—	—	44,723 Direct	+3.73%	Acquired	(price as of 2026-08-20)
March 31, 2022	SPG	P	335	$134.10	$44,924	43,115 Direct	+0.78%	Acquired	65.7% (price as of 2026-08-20)
Dec. 31, 2021	SPG	P	277	$160.28	$44,398	45,280 Direct	+0.62%	Acquired	38.7% (price as of 2026-08-20)
Sept. 30, 2021	SPG	P	301	$132.65	$39,928	45,003 Direct	+0.67%	Acquired	67.6% (price as of 2026-08-20)
July 23, 2021	SPG	P	297	$123.87	$36,789	44,702 Direct	+0.67%	Acquired	79.4% (price as of 2026-08-20)
May 12, 2021	SPG	A	1,667	—	—	44,405 Direct	+3.90%	Acquired	(price as of 2026-08-20)
April 23, 2021	SPG	P	272	$116.37	$31,653	42,738 Direct	+0.64%	Acquired	91.0% (price as of 2026-08-20)
Jan. 22, 2021	SPG	P	339	$92.44	$31,337	42,466 Direct	+0.80%	Acquired	140.4% (price as of 2026-08-20)
Oct. 23, 2020	SPG	P	455	$67.58	$30,749	42,127 Direct	+1.09%	Acquired	228.9% (price as of 2026-08-20)
July 24, 2020	SPG	P	488	$61.66	$30,090	41,672 Direct	+1.18%	Acquired	260.5% (price as of 2026-08-20)
May 12, 2020	SPG	A	3,415	—	—	41,184 Direct	+9.04%	Acquired	(price as of 2026-08-20)
March 18, 2020	SPG	P	500	$50.18	$25,090	37,769 Direct	+1.34%	Acquired	342.9% (price as of 2026-08-20)
March 18, 2020	SPG	P	500	$50.11	$25,055	37,269 Direct	+1.36%	Acquired	343.6% (price as of 2026-08-20)
March 17, 2020	SPG	P	1,000	$64.25	$64,250	36,769 Direct	+2.80%	Acquired	245.9% (price as of 2026-08-20)
March 17, 2020	SPG	P	500	$66.15	$33,075	35,434 Direct	+1.43%	Acquired	236.0% (price as of 2026-08-20)
May 8, 2019	SPG	A	1,119	—	—	34,180 Direct	+3.38%	Acquired	(price as of 2026-08-20)
May 8, 2018	SPG	A	1,305	—	—	32,309 Direct	+4.21%	Acquired	(price as of 2026-08-20)
May 10, 2017	SPG	A	1,035	—	—	30,313 Direct	+3.54%	Acquired	(price as of 2026-08-20)
March 28, 2017	SPG	P	1,400	$166.00	$232,400	1,400 Indirect	—	Acquired	33.9% (price as of 2026-08-20)
May 11, 2016	SPG	A	850	—	—	31,218 Direct	+2.80%	Acquired	(price as of 2026-08-20)
Aug. 5, 2015	SPG	A	413	—	—	29,984 Direct	+1.40%	Acquired	(price as of 2026-08-20)
June 3, 2015	SPG	A	498	—	—	29,571 Direct	+1.71%	Acquired	(price as of 2026-08-20)
May 27, 2014	SPG	A	535	—	—	28,225 Direct	+1.93%	Acquired	(price as of 2026-08-20)
May 14, 2013	SPG	A	522	—	—	27,405 Direct	+1.94%	Acquired	(price as of 2026-08-20)
June 1, 2012	SPG	A	613	—	—	26,642 Direct	+2.36%	Acquired	(price as of 2026-08-20)
May 19, 2011	SPG	A	806	—	—	25,804 Direct	+3.22%	Acquired	(price as of 2026-08-20)
May 6, 2010	SPG	A	943	—	—	24,805 Direct	+3.95%	Acquired	(price as of 2026-08-20)
March 22, 2010	SPG	C	590	$72.01	$42,486	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	590	$72.01	$42,486	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	590	$72.01	$42,486	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	1,100	$72.01	$79,211	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	1,180	$72.01	$84,972	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	1,100	$72.01	$79,211	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	2,950	$72.01	$212,430	0 Indirect	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	11,975	$72.01	$862,320	0 Direct	-100.00%	Disposed	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	500	$72.01	$36,005	500 Indirect	—	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	500	$72.01	$36,005	500 Indirect	—	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	500	$72.01	$36,005	500 Indirect	—	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	932	$72.01	$67,113	932 Indirect	—	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	1,000	$72.01	$72,010	2,564 Indirect	+63.94%	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	932	$72.01	$67,113	2,496 Indirect	+59.59%	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	2,500	$72.01	$180,025	2,500 Indirect	—	Acquired	228.1% (price as of 2026-08-20)
March 22, 2010	SPG	C	10,148	$72.01	$730,757	23,819 Direct	+74.23%	Acquired	228.1% (price as of 2026-08-20)
March 19, 2010	SPG	S	230	$71.26	$16,390	590 Indirect	-28.05%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	230	$71.26	$16,390	590 Indirect	-28.05%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	230	$71.26	$16,390	590 Indirect	-28.05%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	1,900	$71.26	$135,394	1,100 Indirect	-63.33%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	320	$71.26	$22,803	1,180 Indirect	-21.33%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	3,400	$71.26	$242,284	1,100 Indirect	-75.56%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	300	$71.26	$21,378	0 Indirect	-100.00%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	900	$71.26	$64,134	0 Indirect	-100.00%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	350	$71.26	$24,941	2,950 Indirect	-10.61%	Disposed	231.6% (price as of 2026-08-20)
March 19, 2010	SPG	S	10,825	$71.26	$771,390	11,975 Direct	-47.48%	Disposed	231.6% (price as of 2026-08-20)
May 8, 2009	SPG	A	1,732	—	—	13,369 Direct	+14.88%	Acquired	(price as of 2026-08-20)
May 8, 2008	SPG	A	814	—	—	11,230 Direct	+7.81%	Acquired	(price as of 2026-08-20)
May 10, 2007	SPG	A	722	—	—	10,320 Direct	+7.52%	Acquired	(price as of 2026-08-20)
May 11, 2006	SPG	A	1,012	—	—	9,539 Direct	+11.87%	Acquired	(price as of 2026-08-20)

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
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (500)	—	April 14, 2010	590	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (500)	—	April 14, 2010	590	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (500)	—	April 14, 2010	590	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (932)	—	April 14, 2010	1,100	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (1,000)	—	April 14, 2010	1,180	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (932)	—	April 14, 2010	1,100	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (2,500)	—	April 14, 2010	2,950	Disposed
March 22, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (10,148)	—	April 14, 2010	11,975	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (194)	—	—	230	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (194)	—	—	230	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (194)	—	—	230	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (1,610)	—	—	1,900	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (271)	—	—	320	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (2,881)	—	—	3,400	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (254)	—	—	300	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (762)	—	—	900	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (296)	—	—	350	Disposed
March 19, 2010	SPG	6% Series I Convertible Perpetual Preferred Stock	Common Stock (9,174)	—	—	10,825	Disposed

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
June 2, 2005	SPG	Common Stock	8,500	Direct
June 2, 2005	SPG	6% Convertible Preferred Stock→ Common Stock (23,700)	23,700	Direct