Saturday, October 31, 2026
Data from SEC filings, checked daily
Public filings, plainly told
Summarize with AIChatGPTClaudePerplexityGoogle AIGrokCopilot
Data updated Oct 31, 2026·New filings added every weekday·Weekly prices as of Oct 2·What changed·
CompareReal Estate

SIMON PROPERTY GROUP INC. vs AMERICAN TOWER CORP /MA/

SPG and AMT side by side: what insiders, tracked funds and members of Congress reported about each stock. Insiders put more of their own money into SIMON PROPERTY GROUP INC. over the past year ($1.41M).

at prices of Oct 2 How we calculate this

SPG vs AMT: Insider Trading, Funds and Congress Compared
SPGAMT
SectorReal EstateReal Estate
Price change, 1 month−4.5%−4.4%
Price change, 3 months−9.7%−4.3%
Price change, 12 months+10.2%−13.5%
Insider buys, 12 months32 ($1.41M)16 ($564K)
Insider sales, 12 months0 ($0)5 ($1.38M)
Sales under a 10b5-1 plan04
Tracked funds holding03
Congress trades (buys)7 (4)8 (1)
5% owner filings, 12 months00
SPG vs AMT, daily
Loading spg and amt price chart from TradingView…

SIMON PROPERTY GROUP INC. (SPG): latest insider trades

Latest SPG insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueScoreHoldingFiling
Oct 1Sep 30Reuben S. LeibowitzDirectorDirector▲ BUY480202.78$97K32+0.9%Form 4 ↗
Oct 1Sep 30Larry C. GlasscockDirectorDirector▲ BUY367202.78$74K32+0.8%Form 4 ↗
Oct 1Sep 30Daniel C. SmithDirectorDirector▲ BUY350202.78$71K32+1.0%Form 4 ↗
Oct 1Sep 30Gary M. RodkinDirectorDirector▲ BUY232202.78$47K32+1.1%Form 4 ↗
Oct 1Sep 30Glyn AeppelDirectorDirector▲ BUY222202.78$45K32+1.1%Form 4 ↗
SPG stock page →

AMERICAN TOWER CORP /MA/ (AMT): latest insider trades

Latest AMT insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueScoreHoldingFiling
Oct 22Oct 20Teresa Hillary ClarkeDirectorDirector▲ BUY43183.20$8K11+0.8%Form 4 ↗
Oct 22Jul 13Teresa Hillary ClarkeDirectorDirector▲ BUY46167.52$8K14+0.8%Form 4 ↗
Oct 22Apr 28Teresa Hillary ClarkeDirectorDirector▲ BUY44177.08$8K11+0.8%Form 4 ↗
Oct 22Feb 2Teresa Hillary ClarkeDirectorDirector▲ BUY31178.04$5K14+0.6%Form 4 ↗
Oct 22Oct 20Teresa Hillary ClarkeDirectorDirector▲ BUY29189.13$5K18+0.5%Form 4 ↗
AMT stock page →

Insider trades are open-market purchases and sales from Form 4. Fund holders are the funds we track that reported the stock on their latest 13F. 5% owners come from Schedule 13D and 13G. Price changes use weekly prices and are not adjusted for dividends.

Examples

  • Over the past 12 months insiders reported 32 purchases at SPG and 16 at AMT.
  • Over three months SPG moved −9.7% and AMT moved −4.3%.

Report an error

Tell us what looks wrong on this page. We check every report against the original filing and fix mistakes on our corrections page.

Share this trade
XTelegram
My Desk · free

Sign in to follow

Follow stocks, members of Congress, famous investors and funds, and see what's new each time you come back.