LEIBOWITZ REUBEN S Insider Trading Activity (SPG)

Summary

Updated Jul 16, 2026

LEIBOWITZ REUBEN S has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $528K. Historical track record: 2/5 stars across 5 tracked purchases.

Role	Insider
Notability	20/100

Track Record

InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.

InsiderAlpha rating	★★☆☆☆ (2/5)
Total purchases tracked	5
Purchases with forward-return data	5
30-day win rate	6000%
90-day win rate	6000%
Avg 5-day return	-289.50%
Avg 30-day return	+21.51%
Avg 90-day return	+709.36%
Best 30-day return	+921.03%

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-07-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	25	$223.94	$6K
2026-07-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	53	$225.03	$12K
2026-07-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	430	$223.14	$96K
2026-05-15	SPG	SIMON PROPERTY GROUP INC.	A — Grant or award	1.2K	—
2026-04-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	491	$183.80	$90K
2025-09-30	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	464	$185.95	$86K
2025-06-30	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	522	$159.29	$83K
2025-05-14	SPG	SIMON PROPERTY GROUP INC.	A — Grant or award	1.3K	—
2025-03-31	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	482	$164.80	$79K
2024-10-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	453	$167.30	$76K

Frequently Asked Questions

Who is LEIBOWITZ REUBEN S?

LEIBOWITZ REUBEN S is a corporate insider — currently tracked as Insider of SIMON PROPERTY GROUP INC. (SPG). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has LEIBOWITZ REUBEN S submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has LEIBOWITZ REUBEN S been buying or selling stock?

Recorded transactions: 8 open-market purchases ($528K) and 0 open-market sales () across all tracked filings.

How accurate is LEIBOWITZ REUBEN S's historical track record?

Across 5 tracked purchases, LEIBOWITZ REUBEN S averaged +21.5% avg 30-day return with a 6000% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.

Where can I see all of LEIBOWITZ REUBEN S's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

LEIBOWITZ REUBEN S — SEC Form 4 Insider Trading Activity

Summary

Profile

Board memberships