SIMON PROPERTY GROUP INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for SIMON PROPERTY GROUP INC. (SPG), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are SPG insiders buying or selling?
In the last 12 months, SIMON PROPERTY GROUP INC. insiders reported 44 open-market purchases ($2.0M) and 1 sale ($2.0M) — net buying of $12.2K. Since January 2018, Trabud has recorded 259 Form 4 filings for SPG: 253 buys ($30.8M) and 6 sells ($5.2M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $113.5K by Reuben S Leibowitz (Director) on Jul 1, 2026. SEC ↗
- 11 different insiders made open-market purchases of SPG in the last 90 days, totaling $460.7K, all on Oct 1, 2026 at the same price ($202.78).
- The most recent open-market purchase was reported on Oct 1, 2026 (17 days ago).
Key Statistics (January 2018 – Oct 1, 2026)
Total Form 4 filings
259
SEC EDGAR
Insider filers
19
Insider buys (253)
$30.8M
Insider sells (6)
$5.2M
Insider sentiment
Net buyingNet insider flow of $25.5M in net buying since January 2018, and $12.2K in net buying over the last 12 months. 11 insider buys in the last 90 days.
Recent SPG insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Peggy Roe | Director | Purchase | 88 | $202.78 | $17.8K | SEC ↗ |
| Oct 1, 2026 | Marta R Stewart | Director | Purchase | 199 | $202.78 | $40.4K | SEC ↗ |
| Oct 1, 2026 | Daniel C. Smith | Director | Purchase | 350 | $202.78 | $71.0K | SEC ↗ |
| Oct 1, 2026 | Stefan M Selig | Director | Purchase | 208 | $202.78 | $42.2K | SEC ↗ |
| Oct 1, 2026 | Gary M Rodkin | Director | Purchase | 232 | $202.78 | $47.0K | SEC ↗ |
| Oct 1, 2026 | Randall J Lewis | Director | Purchase | 65 | $202.78 | $13.2K | SEC ↗ |
| Oct 1, 2026 | Reuben S Leibowitz | Director | Purchase | 480 | $202.78 | $97.3K | SEC ↗ |
| Oct 1, 2026 | Nina P Jones | Director | Purchase | 46 | $202.78 | $9.3K | SEC ↗ |
| Oct 1, 2026 | Larry C Glasscock | Director | Purchase | 367 | $202.78 | $74.4K | SEC ↗ |
| Oct 1, 2026 | Martin J Cicco | Director | Purchase | 15 | $202.78 | $3.0K | SEC ↗ |
| Oct 1, 2026 | Glyn Aeppel | Director | Purchase | 222 | $202.78 | $45.0K | SEC ↗ |
| Jul 1, 2026 | Stefan M Selig | Director | Purchase | 220 | $223.27 | $49.1K | SEC ↗ |
| Jul 1, 2026 | Peggy Roe | Director | Purchase | 89 | $223.15 | $19.9K | SEC ↗ |
| Jul 1, 2026 | Reuben S Leibowitz | Director | Purchase | 508 | $223.38 | $113.5K | SEC ↗ |
| Jul 1, 2026 | Larry C Glasscock | Director | Purchase | 397 | $223.38 | $88.7K | SEC ↗ |
| Jul 1, 2026 | Martin J Cicco | Director | Purchase | 15 | $223.17 | $3.3K | SEC ↗ |
| Jul 1, 2026 | Marta R Stewart | Director | Purchase | 182 | $223.16 | $40.6K | SEC ↗ |
| Jul 1, 2026 | Daniel C. Smith | Director | Purchase | 372 | $223.31 | $83.1K | SEC ↗ |
| Jul 1, 2026 | Gary M Rodkin | Director | Purchase | 256 | $223.34 | $57.2K | SEC ↗ |
| Jul 1, 2026 | Randall J Lewis | Director | Purchase | 62 | $223.16 | $13.8K | SEC ↗ |
| Jul 1, 2026 | Nina P Jones | Director | Purchase | 43 | $223.16 | $9.6K | SEC ↗ |
| Jul 1, 2026 | Glyn Aeppel | Director | Purchase | 243 | $223.36 | $54.3K | SEC ↗ |
| Apr 1, 2026 | Marta R Stewart | Director | Purchase | 196 | $183.80 | $36.0K | SEC ↗ |
| Apr 1, 2026 | Daniel C. Smith | Director | Purchase | 355 | $183.80 | $65.2K | SEC ↗ |
| Apr 1, 2026 | Stefan M Selig | Director | Purchase | 206 | $183.80 | $37.9K | SEC ↗ |
Showing the 25 most recent of 259 Form 4 filings for SIMON PROPERTY GROUP INC..
Most active SPG insiders
- Reuben S Leibowitz25 filings
- Daniel C. Smith24 filings
- Glyn Aeppel24 filings
- Larry C Glasscock24 filings
- Marta R Stewart24 filings
Ask anything about SPG insider activity
Use Trabud's AI agent to query SIMON PROPERTY GROUP INC.'s Form 4 history in plain English — "Show me SPG CEO purchases this year" or compare it against any other ticker.
Open the AI agentSPG insider trading FAQ
Are SIMON PROPERTY GROUP INC. insiders buying or selling?
In the last 12 months, SIMON PROPERTY GROUP INC. insiders reported 44 open-market purchases ($2.0M) and 1 sale ($2.0M) — net buying of $12.2K. Since January 2018, Trabud has recorded 259 Form 4 filings for SPG: 253 buys ($30.8M) and 6 sells ($5.2M). Over the full record that is net buying of $25.5M.
How many insiders trade SPG stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SIMON PROPERTY GROUP INC.. The most recent filing was accepted on Oct 1, 2026.
Where does Trabud get SPG insider trading data?
All SPG insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.