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SUN COMMUNITIES INC

SUI Net buying
CIK 0000912593 #762 in the set updated 18 Sep 2026
Bought (120 mo)
$147.36M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$82.35M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$82.35M
66 of 66 sales
Net
+$65.01M
+$65.01M against sales at will

By person

26 insiders · 83 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
SHIFFMAN GARY A
Director
$116.33M (3)
$54.80M (9)
+$61.54M
1,457,761
$174.87M
+31.7%
WEISS ARTHUR A
Director
$30.31M (1)
$37.93K (1)
+$30.27M
38,256
$4.59M
—
McLaren John Bandini
President and COO
—
$7.76M (12)
−$7.76M
99,085
$11.89M
+62.2%
LEWIS CLUNET R
Director
$21.81K (2)
$6.26M (21)
−$6.24M
16,817
$2.02M
−62.3%
Dearing Karen
EVP - Special Projects
—
$4.12M (2)
−$4.12M
187,173
$22.45M
+31.0%
Castro-Caratini Fernando
EVP, CFO, Sec. & Treas.
—
$2.96M (2)
−$2.96M
9,998
$1.20M
−46.4%
BERGERON STEPHANIE W
Director
—
$1.79M (4)
−$1.79M
26,700
$3.20M
+66.9%
COLMAN JONATHAN
EVP
—
$1.26M (5)
−$1.26M
25,112
$3.01M
−37.5%
Thelen Bruce
EVP, COO
$1.77K (1)
$1.14M (2)
−$1.14M
54,687
$6.56M
+254.9%
Underwood Baxter
CEO - Safe Harbor Marinas, LLC
$116.98K (3)
$1.18M (3)
−$1.06M
57,546
$6.90M
−17.0%
Farrugia Marc
EVP & Chief Admin. Officer
—
$614.79K (1)
−$614.79K
47,830
$5.74M
+290.5%
Blau Jeff
Director
$432.43K (1)
—
+$432.43K
10,882
$1.31M
—
Leupold Craig
Director
—
$320.99K (3)
−$320.99K
0
$0.00
−100.0%
HERMELIN BRIAN M
Director
$149.96K (1)
—
+$149.96K
28,327
$3.40M
+329.2%
KLEIN RONALD A
Director
—
$118.23K (1)
−$118.23K
17,400
$2.09M
+163.6%
Young Charles D.
CEO & Director
—
—
—
77,477
$9.29M
—
Weiss Aaron
EVP, Chief Investment Officer
—
—
—
62,227
$7.46M
—
Baivier Meghan G.
Director
—
—
—
19,417
$2.33M
—
PIASECKI RONALD L
Director
—
—
—
17,100
$2.05M
+17.9%
Loftus Brian P
SVP, CAO, Controller
—
—
—
15,282
$1.83M
+118.3%
Allen Tonya
Director
—
—
—
10,426
$1.25M
—
Garechana Robert
EVP, CFO, & Treasurer
—
—
—
6,374
$764.63K
—
Ehlinger Jerome W.
Director
—
—
—
3,217
$385.91K
—
McAlary Ileana
EVP, General Counsel, & Sec.
—
—
—
2,722
$326.53K
—
Denien Mark A
Director
—
—
—
1,200
$143.95K
—
Patten Mark E
EVP, CFO, Sec. & Treas.
—
—
—
0
$0.00
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

83
Insider
Date
Role
Action
Shares
Price
Amount
SHIFFMAN GARY A
24 Jun 2026
Director
Sell
25,031
$119.96
$3.00M
Castro-Caratini Fernando
26 May 2026
EVP, CFO, Sec. & Treas.
Sell
2,489
$124.97
$311.05K
Castro-Caratini Fernando
26 May 2026
EVP, CFO, Sec. & Treas.
Sell
21,261
$124.37
$2.64M
LEWIS CLUNET R
5 Mar 2026
Director
Sell indirect
3,200
$136.15
$435.68K
LEWIS CLUNET R
5 Mar 2026
Director
Sell
3,800
$136.01
$516.84K
LEWIS CLUNET R
27 Feb 2026
Director
Sell
5,000
$136.66
$683.30K
LEWIS CLUNET R
27 Feb 2026
Director
Sell
2,000
$136.13
$272.26K
SHIFFMAN GARY A
17 Dec 2025
Director
Sell indirect
156,875
$123.53
$19.38M
LEWIS CLUNET R
10 Nov 2025
Director
Sell
1,100
$126.29
$138.92K
LEWIS CLUNET R
10 Nov 2025
Director
Sell
2,900
$126.22
$366.04K
Blau Jeff
23 May 2025
Director
Buy indirect
3,665
$117.99
$432.43K
Underwood Baxter
5 Aug 2024
CEO - Safe Harbor Marinas, LLC
Sell
3,000
$131.43
$394.29K
Leupold Craig
28 Mar 2024
Director
Sell indirect
1,146
$128.75
$147.55K
Leupold Craig
28 Mar 2024
Director
Sell indirect
1,202
$128.22
$154.12K
Leupold Craig
28 Mar 2024
Director
Sell indirect
152
$127.09
$19.32K
Underwood Baxter
22 Mar 2024
CEO - Safe Harbor Marinas, LLC
Sell
4,000
$131.48
$525.92K
LEWIS CLUNET R
5 Mar 2024
Director
Sell
500
$131.13
$65.57K
Underwood Baxter
30 Nov 2023
CEO - Safe Harbor Marinas, LLC
Sell
2,000
$128.99
$257.98K
Farrugia Marc
30 Aug 2023
EVP & Chief Admin. Officer
Sell indirect
4,962
$123.90
$614.79K
Underwood Baxter
22 Aug 2023
CEO - Safe Harbor Marinas, LLC
Buy
400
$119.93
$47.97K
Underwood Baxter
14 Aug 2023
CEO - Safe Harbor Marinas, LLC
Buy
150
$123.59
$18.54K
Underwood Baxter
25 May 2023
CEO - Safe Harbor Marinas, LLC
Buy
400
$126.18
$50.47K
LEWIS CLUNET R
27 Feb 2023
Director
Sell
1,500
$148.51
$222.77K
Thelen Bruce
9 Aug 2022
EVP
Sell
6,892
$165.40
$1.14M
LEWIS CLUNET R
15 Jun 2022
Director
Sell
1,400
$152.54
$213.56K
LEWIS CLUNET R
15 Jun 2022
Director
Sell
3,000
$153.79
$461.37K
McLaren John Bandini
28 Apr 2022
Pres & COO
Sell
1,970
$181.25
$357.06K
McLaren John Bandini
28 Apr 2022
Pres & COO
Sell
4,330
$180.61
$782.04K
McLaren John Bandini
28 Apr 2022
Pres & COO
Sell
5,200
$179.62
$934.02K
BERGERON STEPHANIE W
25 Feb 2022
Director
Sell
3,000
$181.59
$544.77K
LEWIS CLUNET R
24 Feb 2022
Director
Sell
500
$177.63
$88.82K
SHIFFMAN GARY A
1 Nov 2021
Chairman & CEO
Buy
233,417
$193.42
$45.15M
Thelen Bruce
12 Oct 2021
EVP
Sell
3
$193.02
$579.06
Thelen Bruce
24 Aug 2021
EVP
Buy
9
$196.72
$1.77K
SHIFFMAN GARY A
16 Aug 2021
Chairman & CEO
Buy
129,486
$197.42
$25.56M
McLaren John Bandini
30 Jul 2021
Pres & COO
Sell
31
$198.60
$6.16K
McLaren John Bandini
30 Jul 2021
Pres & COO
Sell
11,080
$198.06
$2.19M
SHIFFMAN GARY A
28 Jul 2021
Chairman & CEO
Buy
234,934
$194.20
$45.62M
SHIFFMAN GARY A
25 May 2021
Chairman & CEO
Sell
800
$168.53
$134.82K
SHIFFMAN GARY A
25 May 2021
Chairman & CEO
Sell
39,778
$168.11
$6.69M
SHIFFMAN GARY A
24 May 2021
Chairman & CEO
Sell
32,422
$167.63
$5.43M
Dearing Karen
20 May 2021
EVP, CFO, Sec. & Treas.
Sell
14,899
$165.00
$2.46M
BERGERON STEPHANIE W
4 May 2021
Director
Sell
2,800
$165.60
$463.67K
LEWIS CLUNET R
17 Dec 2020
Director
Sell
900
$149.55
$134.60K
LEWIS CLUNET R
28 Jul 2020
Director
Sell indirect
4,000
$144.50
$578.00K
LEWIS CLUNET R
22 Jun 2020
Director
Sell indirect
4,000
$143.50
$574.00K
KLEIN RONALD A
5 Mar 2020
Director
Sell
700
$168.90
$118.23K
COLMAN JONATHAN
5 Mar 2020
EVP
Sell
2,336
$171.73
$401.16K
BERGERON STEPHANIE W
4 Mar 2020
Director
Sell
2,600
$167.84
$436.38K
McLaren John Bandini
25 Feb 2020
Pres & COO
Sell indirect
5,775
$170.79
$986.31K
LEWIS CLUNET R
21 Feb 2020
Director
Sell
1,700
$172.23
$292.79K
HERMELIN BRIAN M
19 Dec 2019
Director
Buy indirect
1,010
$148.48
$149.96K
SHIFFMAN GARY A
4 Dec 2019
Chairman & CEO
Sell
54,217
$161.82
$8.77M
SHIFFMAN GARY A
3 Dec 2019
Chairman & CEO
Sell
5,627
$163.31
$918.95K
SHIFFMAN GARY A
3 Dec 2019
Chairman & CEO
Sell
55,156
$162.31
$8.95M
Dearing Karen
20 Sep 2019
EVP, CFO, Sec. & Treas.
Sell indirect
11,204
$148.50
$1.66M
McLaren John Bandini
26 Aug 2019
Pres & COO
Sell indirect
7,059
$146.77
$1.04M
McLaren John Bandini
26 Aug 2019
Pres & COO
Sell indirect
351
$146.22
$51.32K
WEISS ARTHUR A
26 Aug 2019
Director
Sell indirect
257
$147.57
$37.93K
LEWIS CLUNET R
28 Mar 2019
Director
Sell
2,400
$117.34
$281.62K
SHIFFMAN GARY A
12 Mar 2019
Chairman & CEO
Sell indirect
12,859
$117.84
$1.52M
WEISS ARTHUR A
12 Mar 2019
Director
Buy indirect
257,179
$117.84
$30.31M
COLMAN JONATHAN
28 Feb 2019
EVP
Sell
1,653
$114.00
$188.44K
McLaren John Bandini
30 Nov 2018
Pres & COO
Sell
2,400
$103.42
$248.21K
LEWIS CLUNET R
28 Sep 2018
Director
Sell indirect
1,200
$99.95
$119.94K
McLaren John Bandini
1 Aug 2018
Pres & COO
Sell
6,500
$96.16
$625.04K
LEWIS CLUNET R
23 Feb 2018
Director
Sell
2,200
$87.84
$193.25K
COLMAN JONATHAN
7 Nov 2017
EVP
Sell
2,000
$93.21
$186.42K
COLMAN JONATHAN
29 Sep 2017
EVP
Sell
3,000
$85.44
$256.32K
LEWIS CLUNET R
26 Sep 2017
Director
Sell indirect
4,000
$86.10
$344.40K
LEWIS CLUNET R
25 Sep 2017
Director
Sell indirect
1,292
$86.52
$111.78K
McLaren John Bandini
2 Aug 2017
Pres & COO
Sell
5,400
$88.43
$477.52K
LEWIS CLUNET R
17 Jul 2017
Director
Buy indirect
127
$86.33
$10.96K
LEWIS CLUNET R
17 Apr 2017
Director
Buy indirect
131
$82.77
$10.84K
McLaren John Bandini
20 Mar 2017
Pres & COO
Sell indirect
723
$80.00
$57.84K
LEWIS CLUNET R
27 Feb 2017
Director
Sell
2,000
$83.12
$166.24K
COLMAN JONATHAN
23 Dec 2016
EVP
Sell
3,000
$75.00
$225.00K
BERGERON STEPHANIE W
17 Nov 2016
Director
Sell
4,850
$70.63
$342.56K
BERGERON STEPHANIE W
14 Nov 2016
Director
Exercised, kept
1,500
$37.35
$56.03K
BERGERON STEPHANIE W
14 Nov 2016
Director
Exercised, kept
1,500
$29.54
$44.31K
BERGERON STEPHANIE W
14 Nov 2016
Director
Exercised, kept
1,500
$14.95
$22.43K
BERGERON STEPHANIE W
14 Nov 2016
Director
Exercised, kept
1,500
$17.20
$25.80K
BERGERON STEPHANIE W
14 Nov 2016
Director
Exercised, kept
1,500
$29.91
$44.87K

What was left out

Form 4 filings counted 449
Amendments (4/A) skipped 12
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 66
Transactions with no price 0
Shares from compensation/vesting 4,227,733
Sales filed before the plan box existed 48
History held since 16 Nov 2016