SPG insider buying and SEC filings, explained
Simon Property Group Inc. · CIK 1063761
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$2.0M
Insiders who bought
9
Sold (not marked 10b5-1)
$2.0M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 30, 2026 | Purchase (code P) | Peggy Roe (Director) bought 88 shares at $202.78 ($18K), reported as a purchase (code P). Holdings up 1% to 8,135 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:34 PM ET |
| Sep 30, 2026 | Purchase (code P) | Marta R. Stewart (Director) bought 199 shares at $202.78 ($40K), reported as a purchase (code P). Holdings up 1% to 18,199 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:31 PM ET |
| Sep 30, 2026 | Purchase (code P) | Daniel C. Smith (Director) bought 350 shares at $202.78 ($71K), reported as a purchase (code P). Holdings up 1% to 34,830 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:28 PM ET |
| Sep 30, 2026 | Purchase (code P) | Stefan M. Selig (Director) bought 208 shares at $202.78 ($42K), reported as a purchase (code P). Holdings up 1% to 34,020 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:27 PM ET |
| Sep 30, 2026 | Purchase (code P) | Gary M. Rodkin (Director) bought 232 shares at $202.78 ($47K), reported as a purchase (code P). Holdings up 1% to 21,248 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:22 PM ET |
| Sep 30, 2026 | Purchase (code P) | Randall J. Lewis (Director) bought 65 shares at $202.78 ($13K), reported as a purchase (code P). Holdings up 1% to 7,083 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:21 PM ET |
| Sep 30, 2026 | Purchase (code P) | Reuben S. Leibowitz (Director) bought 480 shares at $202.78 ($97K), reported as a purchase (code P). Holdings up 1% to 56,277 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:17 PM ET |
| Sep 30, 2026 | Purchase (code P) | Nina P Jones (Director) bought 46 shares at $202.78 ($9K), reported as a purchase (code P). Holdings up 1% to 4,229 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:15 PM ET |
| Sep 30, 2026 | Purchase (code P) | Larry C. Glasscock (Director) bought 367 shares at $202.78 ($74K), reported as a purchase (code P). Holdings up 1% to 46,269 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:12 PM ET |
| Sep 30, 2026 | Purchase (code P) | Martin J Cicco (Director) bought 15 shares at $202.78 ($3K), reported as a purchase (code P). Holdings up 1% to 1,402 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:11 PM ET |
| Sep 30, 2026 | Purchase (code P) | Glyn Aeppel (Director) bought 222 shares at $202.78 ($45K), reported as a purchase (code P). Holdings up 1% to 21,289 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 1, 2026, 3:09 PM ET |
| Jun 30, 2026 | Purchase (code P) | Martin J Cicco (Director) bought 15 shares at about $223.17 ($3K), reported as a purchase (code P). Holdings up 1% to 1,387 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Nina P Jones (Director) bought 43 shares at about $223.16 ($10K), reported as a purchase (code P). Holdings up 1% to 4,183 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Peggy Roe (Director) bought 89 shares at about $223.15 ($20K), reported as a purchase (code P). Holdings up 1% to 8,047 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Stefan M. Selig (Director) bought 220 shares at about $223.27 ($49K), reported as a purchase (code P). Holdings up 1% to 33,812 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Daniel C. Smith (Director) bought 372 shares at about $223.31 ($83K), reported as a purchase (code P). Holdings up 1% to 34,480 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Glyn Aeppel (Director) bought 243 shares at about $223.36 ($54K), reported as a purchase (code P). Holdings up 1% to 21,067 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Marta R. Stewart (Director) bought 182 shares at about $223.16 ($41K), reported as a purchase (code P). Holdings up 1% to 18,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Reuben S. Leibowitz (Director) bought 508 shares at about $223.38 ($113K), reported as a purchase (code P). Holdings up 1% to 55,797 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Gary M. Rodkin (Director) bought 256 shares at about $223.34 ($57K), reported as a purchase (code P). Holdings up 1% to 21,016 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Larry C. Glasscock (Director) bought 397 shares at about $223.38 ($89K), reported as a purchase (code P). Holdings up 1% to 45,902 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Jun 30, 2026 | Purchase (code P) | Randall J. Lewis (Director) bought 62 shares at about $223.16 ($14K), reported as a purchase (code P). Holdings up 1% to 7,018 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Nina P Jones (Director) bought 36 shares at $183.80 ($7K), reported as a purchase (code P). Holdings up 1% to 3,067 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Peggy Roe (Director) bought 81 shares at $183.80 ($15K), reported as a purchase (code P). Holdings up 1% to 6,885 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Stefan M. Selig (Director) bought 206 shares at $183.80 ($38K), reported as a purchase (code P). Holdings up 1% to 32,483 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Daniel C. Smith (Director) bought 355 shares at $183.80 ($65K), reported as a purchase (code P). Holdings up 1% to 33,035 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Glyn Aeppel (Director) bought 221 shares at $183.80 ($41K), reported as a purchase (code P). Holdings up 1% to 19,702 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Marta R. Stewart (Director) bought 196 shares at $183.80 ($36K), reported as a purchase (code P). Holdings up 1% to 16,696 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Reuben S. Leibowitz (Director) bought 491 shares at $183.80 ($90K), reported as a purchase (code P). Holdings up 1% to 54,130 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Gary M. Rodkin (Director) bought 232 shares at $183.80 ($43K), reported as a purchase (code P). Holdings up 1% to 19,687 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Larry C. Glasscock (Director) bought 373 shares at $183.80 ($69K), reported as a purchase (code P). Holdings up 1% to 44,272 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 31, 2026 | Purchase (code P) | Randall J. Lewis (Director) bought 56 shares at $183.80 ($10K), reported as a purchase (code P). Holdings up 1% to 5,883 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Feb 25, 2026 | Sale | John Rulli (Chief Administrative Officer) sold 10,000 shares at $200.88 ($2.0M). Holdings down 22% to 35,710 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 26, 2026 |
| Dec 31, 2025 | Purchase (code P) | Nina P Jones (Director) bought 35 shares at $186.00 ($7K), reported as a purchase (code P). Holdings up 1% to 3,031 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Peggy Roe (Director) bought 78 shares at $186.00 ($15K), reported as a purchase (code P). Holdings up 1% to 6,804 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Stefan M. Selig (Director) bought 201 shares at $186.00 ($37K), reported as a purchase (code P). Holdings up 1% to 32,277 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Daniel C. Smith (Director) bought 347 shares at $186.00 ($65K), reported as a purchase (code P). Holdings up 1% to 32,680 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Glyn Aeppel (Director) bought 216 shares at $186.00 ($40K), reported as a purchase (code P). Holdings up 1% to 19,481 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Marta R. Stewart (Director) bought 192 shares at $186.00 ($36K), reported as a purchase (code P). Holdings up 1% to 16,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Reuben S. Leibowitz (Director) bought 480 shares at $186.00 ($89K), reported as a purchase (code P). Holdings up 1% to 53,639 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Gary M. Rodkin (Director) bought 226 shares at $186.00 ($42K), reported as a purchase (code P). Holdings up 1% to 19,455 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Larry C. Glasscock (Director) bought 363 shares at $186.00 ($68K), reported as a purchase (code P). Holdings up 1% to 43,899 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 31, 2025 | Purchase (code P) | Randall J. Lewis (Director) bought 54 shares at $186.00 ($10K), reported as a purchase (code P). Holdings up 1% to 5,827 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 5, 2026 |
| Dec 15, 2025 | Purchase (code P) | Randall J. Lewis (Director) bought 545 shares at $183.96 ($100K), reported as a purchase (code P). Holdings up 10% to 5,773 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 16, 2025 |
| Nov 18, 2025 | Purchase (code P) | Randall J. Lewis (Director) bought 588 shares at $180.80 ($106K), reported as a purchase (code P). Holdings up 13% to 5,228 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 18, 2025 |
43 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
9 insiders bought in 30 days
$448K in purchases since Sep 30, 2026 · Purchases traded Sep 30, 2026 to Sep 30, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Randall J. Lewis (Director) | $13K | Sep 30, 2026 | SEC filing |
| Larry C. Glasscock (Director) | $74K | Sep 30, 2026 | SEC filing |
| Gary M. Rodkin (Director) | $47K | Sep 30, 2026 | SEC filing |
| Reuben S. Leibowitz (Director) | $97K | Sep 30, 2026 | SEC filing |
| Marta R. Stewart (Director) | $40K | Sep 30, 2026 | SEC filing |
| Glyn Aeppel (Director) | $45K | Sep 30, 2026 | SEC filing |
| Daniel C. Smith (Director) | $71K | Sep 30, 2026 | SEC filing |
| Stefan M. Selig (Director) | $42K | Sep 30, 2026 | SEC filing |
| Peggy Roe (Director) | $18K | Sep 30, 2026 | SEC filing |
9 insiders bought in 30 days
$520K in purchases since Jun 30, 2026 · Purchases traded Jun 30, 2026 to Jun 30, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Randall J. Lewis (Director) | $14K | Jun 30, 2026 | SEC filing |
| Larry C. Glasscock (Director) | $89K | Jun 30, 2026 | SEC filing |
| Gary M. Rodkin (Director) | $57K | Jun 30, 2026 | SEC filing |
| Reuben S. Leibowitz (Director) | $113K | Jun 30, 2026 | SEC filing |
| Marta R. Stewart (Director) | $41K | Jun 30, 2026 | SEC filing |
| Glyn Aeppel (Director) | $54K | Jun 30, 2026 | SEC filing |
| Daniel C. Smith (Director) | $83K | Jun 30, 2026 | SEC filing |
| Stefan M. Selig (Director) | $49K | Jun 30, 2026 | SEC filing |
| Peggy Roe (Director) | $20K | Jun 30, 2026 | SEC filing |
9 insiders bought in 30 days
$406K in purchases since Mar 31, 2026 · Purchases traded Mar 31, 2026 to Mar 31, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Randall J. Lewis (Director) | $10K | Mar 31, 2026 | SEC filing |
| Larry C. Glasscock (Director) | $69K | Mar 31, 2026 | SEC filing |
| Gary M. Rodkin (Director) | $43K | Mar 31, 2026 | SEC filing |
| Reuben S. Leibowitz (Director) | $90K | Mar 31, 2026 | SEC filing |
| Marta R. Stewart (Director) | $36K | Mar 31, 2026 | SEC filing |
| Glyn Aeppel (Director) | $41K | Mar 31, 2026 | SEC filing |
| Daniel C. Smith (Director) | $65K | Mar 31, 2026 | SEC filing |
| Stefan M. Selig (Director) | $38K | Mar 31, 2026 | SEC filing |
| Peggy Roe (Director) | $15K | Mar 31, 2026 | SEC filing |
9 insiders bought in 30 days
$608K in purchases since Nov 18, 2025 · Purchases traded Nov 18, 2025 to Dec 31, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Randall J. Lewis (Director) | $106K | Nov 18, 2025 | SEC filing |
| Randall J. Lewis (Director) | $100K | Dec 15, 2025 | SEC filing |
| Randall J. Lewis (Director) | $10K | Dec 31, 2025 | SEC filing |
| Larry C. Glasscock (Director) | $68K | Dec 31, 2025 | SEC filing |
| Gary M. Rodkin (Director) | $42K | Dec 31, 2025 | SEC filing |
| Reuben S. Leibowitz (Director) | $89K | Dec 31, 2025 | SEC filing |
| Marta R. Stewart (Director) | $36K | Dec 31, 2025 | SEC filing |
| Glyn Aeppel (Director) | $40K | Dec 31, 2025 | SEC filing |
| Daniel C. Smith (Director) | $65K | Dec 31, 2025 | SEC filing |
| Stefan M. Selig (Director) | $37K | Dec 31, 2025 | SEC filing |
| Peggy Roe (Director) | $15K | Dec 31, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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