STEWART MARTA R Insider Trading Activity (SPG)

Summary

Updated Jul 16, 2026

STEWART MARTA R has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $211K. Historical track record: 3/5 stars across 6 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	★★★☆☆ (3/5)
Total purchases tracked	6
Purchases with forward-return data	6
30-day win rate	6667%
90-day win rate	6667%
Avg 5-day return	-215.21%
Avg 30-day return	+129.91%
Avg 90-day return	+703.61%
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	2	$224.07	$448
2026-07-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	1	$224.10	$224
2026-07-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	179	$223.14	$40K
2026-05-15	SPG	SIMON PROPERTY GROUP INC.	A — Grant or award	1.1K	—
2026-04-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	196	$183.80	$36K
2026-02-17	SHW	SHERWIN WILLIAMS CO	A — Grant or award	558	$0.00
2025-09-30	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	186	$185.95	$35K
2025-08-14	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	42	$171.54	$7K
2025-06-30	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	208	$159.29	$33K
2025-05-14	SPG	SIMON PROPERTY GROUP INC.	A — Grant or award	1.2K	—
2025-03-31	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	184	$164.80	$30K
2024-10-01	SPG	SIMON PROPERTY GROUP INC.	P — Open-market purchase	172	$167.30	$29K

Frequently Asked Questions

Who is STEWART MARTA R?

STEWART MARTA R 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 STEWART MARTA R submitted recently?

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

Has STEWART MARTA R been buying or selling stock?

Recorded transactions: 9 open-market purchases ($211K) and 0 open-market sales () across all tracked filings.

How accurate is STEWART MARTA R's historical track record?

Across 6 tracked purchases, STEWART MARTA R averaged +129.9% avg 30-day return with a 6667% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.

Where can I see all of STEWART MARTA R'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.

STEWART MARTA R — SEC Form 4 Insider Trading Activity

Summary

Profile

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