SUI

SUN COMMUNITIES INC · Real Estate · Market cap $14.8B

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$27.7M

reported sales (SEC code S)

Unique Insiders

3

in the rolling window

Latest filing

Oct 21, 2026

SHIFFMAN GARY A

SUN COMMUNITIES INC (SUI) has 52 SEC Form 4 filings (62 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Oct 21, 2026.

Inside the rolling window, 3 insiders at SUN COMMUNITIES INC reported no open-market purchases and 6 open-market sales totaling $27.7M. The most active filer is Director LEWIS CLUNET R with 3 filings. Insiders have net sold $6.0M over the trailing 6 months. The most recent open-market filing is a sale of 25,031 shares by Director SHIFFMAN GARY A, dated Jun 24, 2026, worth $3.0M.

  • Industry:REIT - Residential
  • CEO:Charles D. Young
  • Employees:3,611
  • HQ:Southfield, MI, US
  • IPO:1993-12-09
Source
SHIFFMAN GARY AFirst in 6 months
Sale$3.0MJun 25SEC ↗
Sale$3.0MMay 27SEC ↗
Sale$953KMar 6SEC ↗
LEWIS CLUNET RFirst in 4 months
Sale$956KMar 3SEC ↗
SHIFFMAN GARY AFirst filing
Sale$19.4MDec 18SEC ↗
LEWIS CLUNET RFirst filing
Sale$505KNov 12SEC ↗
Showing 1–6 of 6
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Earnings: last 7 quarters

EstimatedActual

Congress trading SUI 23 all-time

  • RRep. Michael T. McCaulSale$100,001 - $250,0002025-09-18
  • RRep. Michael T. McCaulPurchase$15,001 - $50,0002025-03-17
  • RRep. Michael T. McCaulSale$15,001 - $50,0002024-09-30
  • RRep. Michael T. McCaulSale$100,001 - $250,0002024-09-30
  • RRep. Michael T. McCaulPurchase$100,001 - $250,0002024-05-20
  • RRep. Michael T. McCaulPurchase$1,001 - $15,0002024-05-21

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Frequently asked questions

How many SEC Form 4 insider filings does SUI have?

SUN COMMUNITIES INC (SUI) has 52 SEC Form 4 filings (62 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Oct 21, 2026.

When was the most recent SEC Form 4 filing for SUI?

The most recent Form 4 filing for SUI on Tracefour is dated Oct 21, 2026.

Who is the most active insider at SUI?

The most active SEC Form 4 filer at SUI in the rolling window is Director LEWIS CLUNET R, with 3 filings.

What is the net insider flow at SUI over the last 6 months?

Over the trailing 180 days, insiders at SUI have net sold $6.0M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at SUI in the current window?

Inside the rolling window, insiders at SUI bought $0 and sold $27.7M based on SEC Form 4 filings.

Can I get alerts for SUI insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at SUN COMMUNITIES INC (SUI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

SUN COMMUNITIES INC is in the Real Estate sector.