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United States Residential & Commercial REITs

Whitestone REIT (WSR)

Track

The most recent insider trading activity occurred on May 28, 2025, with a BUY transaction by Donald A. Miller. Prior to this, multiple BUY transactions were also made by Donald A. Miller in early May 2025 and by Kristian M. Gathright and Amy Shih-Hua Feng in March 2025. The last transaction predates three months.
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Ticker: WSR Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Miller Donald A
1 purchase — total 61,750 USD
Buy 28 May 2025
Value US$2,315,489.78 | Price 289.56 | Shares 77,351
Buy 2 May 2025
Value US$480,206.25 | Price 400.06 | Shares 83,662
Buy 2 May 2025
Value US$4,043,350.30 | Price 477.79 | Shares 2,885
Buy 2 May 2025
Value US$64,350.00 | Price 12.87 | Shares 5,000
Buy 21 Mar 2025
Value US$25,130.00 | Price 14.36 | Shares 1,750
Buy 19 Mar 2025
Value US$2,862.20 | Price 14.31 | Shares 200
Buy 19 Mar 2025
Value US$9,665.93 | Price 14.32 | Shares 675
Buy 4 Sep 2024
Value US$64,950.00 | Price 12.99 | Shares 5,000
Buy 11 Jun 2024
Value US$222,530.00 | Price 13.09 | Shares 17,000
Buy 3 Jun 2024
Value US$79,727.00 | Price 13.07 | Shares 6,100
Buy 5 May 2023
Value US$33,033.00 | Price 8.47 | Shares 3,900
Buy 3 Mar 2023
Value US$35,295.50 | Price 9.67 | Shares 3,650
Buy 30 Sep 2022
Value US$4,278.80 | Price 8.56 | Shares 500
Buy 22 Mar 2021
Value US$59,687.50 | Price 9.55 | Shares 6,250
Buy 4 Dec 2020
Value US$8,420.00 | Price 8.42 | Shares 1,000
Buy 30 Jun 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 30 Jun 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 24 Jun 2020
Value US$12,980.00 | Price 6.49 | Shares 2,000
Buy 18 May 2020
Value US$103,500.00 | Price 5.75 | Shares 18,000
Buy 11 Mar 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 11 Mar 2020
Value US$55,000.00 | Price 11.00 | Shares 5,000
Buy 28 Feb 2020
Value US$75,000.00 | Price 12.00 | Shares 6,250
Buy 28 Feb 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 28 Feb 2020
Value US$123,900.00 | Price 12.39 | Shares 10,000
Buy 6 Sep 2019
Value US$126,400.00 | Price 12.64 | Shares 10,000
Buy 5 Mar 2018
Value US$26,625.00 | Price 10.65 | Shares 2,500
Buy 5 Mar 2018
Value US$26,625.00 | Price 10.65 | Shares 2,500
Buy 29 Aug 2017
Value US$14,724.00 | Price 12.27 | Shares 1,200
Buy 29 Aug 2017
Value US$22,158.00 | Price 12.31 | Shares 1,800
Buy 7 Mar 2017
Value US$13,830.00 | Price 13.83 | Shares 1,000
Buy 7 Mar 2017
Value US$152.35 | Price 13.85 | Shares 11
Buy 7 Mar 2017
Value US$6,930.00 | Price 13.86 | Shares 500
Buy 7 Mar 2017
Value US$12,146.96 | Price 13.93 | Shares 872
Buy 7 Mar 2017
Value US$1,630.98 | Price 13.94 | Shares 117
Buy 19 Aug 2016
Value US$5,241.60 | Price 14.56 | Shares 360
Buy 19 Aug 2016
Value US$29,120.00 | Price 14.56 | Shares 2,000
Buy 19 Aug 2016
Value US$29,120.00 | Price 14.56 | Shares 2,000
Buy 13 Nov 2015
Value US$8,169.00 | Price 11.67 | Shares 700
Buy 12 Nov 2015
Value US$11,780.00 | Price 11.78 | Shares 1,000
Buy 12 Nov 2015
Value US$15,301.00 | Price 11.77 | Shares 1,300
Buy 25 Aug 2015
Value US$10,839.00 | Price 10.84 | Shares 1,000
Buy 7 Aug 2015
Value US$12,994.80 | Price 12.99 | Shares 1,000
Buy 7 Aug 2015
Value US$12,912.00 | Price 12.91 | Shares 1,000
Buy 7 Aug 2015
Value US$12,994.80 | Price 12.99 | Shares 1,000
Buy 7 Aug 2015
Value US$12,912.00 | Price 12.91 | Shares 1,000
Buy 28 May 2015
Value US$30,976.00 | Price 14.08 | Shares 2,200
Buy 12 May 2015
Value US$14,320.00 | Price 14.32 | Shares 1,000
Buy 12 May 2015
Value US$7,050.00 | Price 14.10 | Shares 500
Buy 12 May 2015
Value US$14,200.00 | Price 14.20 | Shares 1,000
Buy 12 May 2015
Value US$14,320.00 | Price 14.32 | Shares 1,000
Buy 12 May 2015
Value US$7,050.00 | Price 14.10 | Shares 500
Buy 12 May 2015
Value US$14,200.00 | Price 14.20 | Shares 1,000
Buy 12 May 2015
Value US$401.24 | Price 14.33 | Shares 28
Buy 12 May 2015
Value US$1,775.68 | Price 14.32 | Shares 124
Buy 12 May 2015
Value US$2,288.00 | Price 14.30 | Shares 160
Buy 7 May 2015
Value US$28,060.00 | Price 14.03 | Shares 2,000
Buy 9 Dec 2014
Value US$9,615.40 | Price 14.68 | Shares 655
Buy 13 Nov 2014
Value US$15,090.00 | Price 15.09 | Shares 1,000
Buy 13 Nov 2014
Value US$15,090.00 | Price 15.09 | Shares 1,000
Buy 9 Dec 2013
Value US$37,296.00 | Price 13.32 | Shares 2,800
Buy 8 Nov 2013
Value US$13,440.00 | Price 13.44 | Shares 1,000
Buy 8 Oct 2013
Value US$6,770.00 | Price 13.54 | Shares 500
Buy 21 Aug 2013
Value US$13,817.31 | Price 14.97 | Shares 923
Buy 16 Aug 2013
Value US$14,980.00 | Price 14.98 | Shares 1,000
Buy 8 May 2013
Value US$103,062.50 | Price 16.49 | Shares 6,250
Buy 9 Nov 2012
Value US$25,420.00 | Price 12.71 | Shares 2,000
Buy 28 Aug 2012
Value US$3,840.00 | Price 12.80 | Shares 300
Buy 28 Aug 2012
Value US$12,800.00 | Price 12.80 | Shares 1,000
Buy 28 Aug 2012
Value US$12,800.00 | Price 12.80 | Shares 1,000
Buy 16 Nov 2011
Value US$17,785.95 | Price 11.86 | Shares 1,500
Buy 16 Nov 2011
Value US$11,910.00 | Price 11.91 | Shares 1,000
Buy 16 Nov 2011
Value US$11,940.00 | Price 11.94 | Shares 1,000
Buy 10 May 2011
Value US$138,000.00 | Price 12.00 | Shares 11,500
Buy 10 May 2011
Value US$199,200.00 | Price 12.00 | Shares 16,600
Buy 31 Aug 2010
Value US$24,000.00 | Price 12.00 | Shares 2,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-05-30 2025-05-28 B Purchase
2.2
Miller Donald A
Non-Executive Director
77,351 -15.0%
289.56
US$2,315,490 		77,351 -15.0% 289.56 US$2,315,490
2025-05-05 2025-05-02 B Purchase
2.2
Miller Donald A
Non-Executive Director
83,662 -6.5%
400.06
US$480,206 		83,662 -6.5% 400.06 US$480,206
2025-05-05 2025-05-02 B Purchase
2.2
Miller Donald A
Non-Executive Director
2,885 -39.9%
477.79
US$4,043,350 		2,885 -39.9% 477.79 US$4,043,350
2025-05-05 2025-05-02 B Purchase
2.2
Miller Donald A
Non-Executive Director
5,000 +292.7%
12.87
US$64,350 		5,000 +292.7% 12.87 US$64,350
2025-03-25 2025-03-21 B Purchase
2.7
GATHRIGHT KRISTIAN M
Non-Executive Director
1,750 +99.8%
14.36
US$25,130 		1,750 +99.8% 14.36 US$25,130
2025-03-21 2025-03-19 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
200 +0.4%
14.31
US$2,862 		200 +0.4% 14.31 US$2,862
2025-03-21 2025-03-19 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
675 +1.3%
14.32
US$9,666 		675 +1.3% 14.32 US$9,666
2024-09-05 2024-09-04 B Purchase
2.9
Buthman Julia Bruns
Non-Executive Director
5,000 +161.7%
12.99
US$64,950 		5,000 +161.7% 12.99 US$64,950
2024-06-12 2024-06-11 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
17,000 +72.1%
13.09
US$222,530 		17,000 +72.1% 13.09 US$222,530
2024-06-04 2024-06-03 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
6,100 +34.9%
13.07
US$79,727 		6,100 +34.9% 13.07 US$79,727
2023-05-08 2023-05-05 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
3,900 +44.6%
8.47
US$33,033 		3,900 +44.6% 8.47 US$33,033
2023-03-06 2023-03-03 B Purchase
3.4
Feng Amy Shih-Hua
Non-Executive Director
3,650 +71.7%
9.67
US$35,296 		3,650 +71.7% 9.67 US$35,296
2022-10-04 2022-09-30 B Purchase
3.1
Mastandrea Christine J

Chief Operating Officer

Officer
500 +0.2%
8.56
US$4,279 		500 +0.2% 8.56 US$4,279
2022-04-01 2021-03-22 B Purchase
1.3
Jones Jeffrey Alan
Non-Executive Director
6,250 +38.7%
9.55
US$59,688 		6,250 +38.7% 9.55 US$59,688
2020-12-04 2020-12-04 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.1%
8.42
US$8,420 		1,000 +0.1% 8.42 US$8,420
2020-07-01 2020-06-30 B Purchase
3.1
Mastandrea Christine J

EVP CORPORATE STRATEGY

Officer
0
0.00
US$0 		0 0.00 US$0
2020-07-01 2020-06-30 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
0
0.00
US$0 		0 0.00 US$0
2020-06-25 2020-06-24 B Purchase
1.1
Taylor David F.
Non-Executive Director
2,000 +23.9%
6.49
US$12,980 		2,000 +23.9% 6.49 US$12,980
2020-05-19 2020-05-18 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
18,000 +1.5%
5.75
US$103,500 		18,000 +1.5% 5.75 US$103,500
2020-03-12 2020-03-11 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
0
0.00
US$0 		0 0.00 US$0
2020-03-12 2020-03-11 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
5,000 +0.4%
11.00
US$55,000 		5,000 +0.4% 11.00 US$55,000
2020-03-02 2020-02-28 B Purchase
1.3
Jones Jeffrey Alan
Non-Executive Director
6,250 +inf%
12.00
US$75,000 		6,250 +inf% 12.00 US$75,000
2020-03-02 2020-02-28 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
0
0.00
US$0 		0 0.00 US$0
2020-03-02 2020-02-28 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
10,000 +0.8%
12.39
US$123,900 		10,000 +0.8% 12.39 US$123,900
2019-09-10 2019-09-06 B Purchase
2.4
MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
10,000 +1.0%
12.64
US$126,400 		10,000 +1.0% 12.64 US$126,400
2018-03-05 2018-03-05 B Purchase Mastandrea Christine J

VP CORPORATE STRATEGY

Officer
2,500 +0.4%
10.65
US$26,625 		2,500 +0.4% 10.65 US$26,625
2018-03-05 2018-03-05 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
2,500 +0.4%
10.65
US$26,625 		2,500 +0.4% 10.65 US$26,625
2017-08-29 2017-08-29 B Purchase LAMBERT PAUL T
1,200 +2.3%
12.27
US$14,724 		1,200 +2.3% 12.27 US$14,724
2017-08-29 2017-08-29 B Purchase LAMBERT PAUL T
1,800 +3.6%
12.31
US$22,158 		1,800 +3.6% 12.31 US$22,158
2017-03-08 2017-03-07 B Purchase LAMBERT PAUL T Non-Executive Director
1,000 +2.0%
13.83
US$13,830 		1,000 +2.0% 13.83 US$13,830
2017-03-08 2017-03-07 B Purchase LAMBERT PAUL T Non-Executive Director
11 +0.0%
13.85
US$152 		11 +0.0% 13.85 US$152
2017-03-08 2017-03-07 B Purchase LAMBERT PAUL T Non-Executive Director
500 +1.0%
13.86
US$6,930 		500 +1.0% 13.86 US$6,930
2017-03-08 2017-03-07 B Purchase LAMBERT PAUL T Non-Executive Director
872 +1.8%
13.93
US$12,147 		872 +1.8% 13.93 US$12,147
2017-03-08 2017-03-07 B Purchase LAMBERT PAUL T Non-Executive Director
117 +0.2%
13.94
US$1,631 		117 +0.2% 13.94 US$1,631
2016-08-22 2016-08-19 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
360 +0.1%
14.56
US$5,242 		360 +0.1% 14.56 US$5,242
2016-08-22 2016-08-19 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
2,000 +0.3%
14.56
US$29,120 		2,000 +0.3% 14.56 US$29,120
2016-08-22 2016-08-19 B Purchase Mastandrea Christine J

VP CORPORATE STRATEGY

Officer
2,000 +0.3%
14.56
US$29,120 		2,000 +0.3% 14.56 US$29,120
2015-11-13 2015-11-13 B Purchase LAMBERT PAUL T Non-Executive Director
700 +1.7%
11.67
US$8,169 		700 +1.7% 11.67 US$8,169
2015-11-13 2015-11-12 B Purchase LAMBERT PAUL T Non-Executive Director
1,000 +2.4%
11.78
US$11,780 		1,000 +2.4% 11.78 US$11,780
2015-11-13 2015-11-12 B Purchase LAMBERT PAUL T Non-Executive Director
1,300 +3.2%
11.77
US$15,301 		1,300 +3.2% 11.77 US$15,301
2015-08-25 2015-08-25 B Purchase DEE JOHN J

COO & SECRETARY

Officer
1,000 +0.9%
10.84
US$10,839 		1,000 +0.9% 10.84 US$10,839
2015-08-10 2015-08-07 B Purchase Mastandrea Christine J

VP CORPORATE STRATEGY

Officer
1,000 +0.2%
12.99
US$12,995 		1,000 +0.2% 12.99 US$12,995
2015-08-10 2015-08-07 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.2%
12.99
US$12,995 		1,000 +0.2% 12.99 US$12,995
2015-08-10 2015-08-07 B Purchase Mastandrea Christine J

VP CORPORATE STRATEGY

Officer
1,000 +0.2%
12.91
US$12,912 		1,000 +0.2% 12.91 US$12,912
2015-08-10 2015-08-07 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.2%
12.91
US$12,912 		1,000 +0.2% 12.91 US$12,912
2015-05-28 2015-05-28 B Purchase LAMBERT PAUL T Non-Executive Director
2,200 +5.8%
14.08
US$30,976 		2,200 +5.8% 14.08 US$30,976
2015-05-14 2015-05-12 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.3%
14.32
US$14,320 		1,000 +0.3% 14.32 US$14,320
2015-05-14 2015-05-12 B Purchase Mastandrea Christine J

VP Corporate Strategy

Officer
1,000 +0.3%
14.32
US$14,320 		1,000 +0.3% 14.32 US$14,320
2015-05-13 2015-05-12 B Purchase Mastandrea Christine J

VP STRATEGY & MARKET RESEARCH

Officer
500 +0.1%
14.10
US$7,050 		500 +0.1% 14.10 US$7,050
2015-05-13 2015-05-12 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
500 +0.1%
14.10
US$7,050 		500 +0.1% 14.10 US$7,050
2015-05-13 2015-05-12 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
28 +0.0%
14.33
US$401 		28 +0.0% 14.33 US$401
2015-05-13 2015-05-12 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
124 +0.1%
14.32
US$1,776 		124 +0.1% 14.32 US$1,776
2015-05-13 2015-05-12 B Purchase Mastandrea Christine J

VP STRATEGY & MARKET RESEARCH

Officer
1,000 +0.3%
14.20
US$14,200 		1,000 +0.3% 14.20 US$14,200
2015-05-13 2015-05-12 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.3%
14.20
US$14,200 		1,000 +0.3% 14.20 US$14,200
2015-05-13 2015-05-12 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
160 +0.1%
14.30
US$2,288 		160 +0.1% 14.30 US$2,288
2015-05-11 2015-05-07 B Purchase LAMBERT PAUL T Non-Executive Director
2,000 +5.6%
14.03
US$28,060 		2,000 +5.6% 14.03 US$28,060
2014-12-10 2014-12-09 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
655 +1.0%
14.68
US$9,615 		655 +1.0% 14.68 US$9,615
2014-11-13 2014-11-13 B Purchase Mastandrea Christine J

VP STRATEGY & MARKET RESEARCH

Officer
1,000 +0.5%
15.09
US$15,090 		1,000 +0.5% 15.09 US$15,090
2014-11-13 2014-11-13 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.5%
15.09
US$15,090 		1,000 +0.5% 15.09 US$15,090
2013-12-10 2013-12-09 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
2,800 +2.5%
13.32
US$37,296 		2,800 +2.5% 13.32 US$37,296
2013-11-12 2013-11-08 B Purchase MASTANDREA JAMES C

Chairman & CEO

Executive Director
1,000 +0.9%
13.44
US$13,440 		1,000 +0.9% 13.44 US$13,440
2013-10-09 2013-10-08 B Purchase DEE JOHN J

COO & SECRETARY

Officer
500 +0.9%
13.54
US$6,770 		500 +0.9% 13.54 US$6,770
2013-08-22 2013-08-21 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
923 +2.8%
14.97
US$13,817 		923 +2.8% 14.97 US$13,817
2013-08-20 2013-08-16 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +0.9%
14.98
US$14,980 		1,000 +0.9% 14.98 US$14,980
2013-05-09 2013-05-08 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
6,250 +6.0%
16.49
US$103,062 		6,250 +6.0% 16.49 US$103,062
2012-11-13 2012-11-09 B Purchase Rollnick Richard D.

SEE REMARKS

Officer
2,000 +85.3%
12.71
US$25,420 		2,000 +85.3% 12.71 US$25,420
2012-08-30 2012-08-28 B Purchase DEE JOHN J

COO & SECRETARY

Officer
300 +0.6%
12.80
US$3,840 		300 +0.6% 12.80 US$3,840
2012-08-30 2012-08-28 B Purchase Keating Donald F Non-Executive Director
1,000 +3.8%
12.80
US$12,800 		1,000 +3.8% 12.80 US$12,800
2012-08-30 2012-08-28 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,000 +1.0%
12.80
US$12,800 		1,000 +1.0% 12.80 US$12,800
2011-11-17 2011-11-16 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
1,500 +5.8%
11.86
US$17,786 		1,500 +5.8% 11.86 US$17,786
2011-11-17 2011-11-16 B Purchase Nixon Daniel E Jr

SVP - REGIONAL DIRECTOR

Officer
1,000 +30.7%
11.91
US$11,910 		1,000 +30.7% 11.91 US$11,910
2011-11-17 2011-11-16 B Purchase Holeman David K

CHIEF FINANCIAL OFFICER

Officer
1,000 +20.0%
11.94
US$11,940 		1,000 +20.0% 11.94 US$11,940
2011-05-12 2011-05-10 B Purchase MASTANDREA JAMES C

CHAIRMAN & CEO

Executive Director
11,500 +110.6%
12.00
US$138,000 		11,500 +110.6% 12.00 US$138,000
2011-05-12 2011-05-10 B Purchase DEVOS DANIEL G Non-Executive Director
16,600 +100.0%
12.00
US$199,200 		16,600 +100.0% 12.00 US$199,200
2010-08-31 2010-08-31 B Purchase Keating Donald F Non-Executive Director
2,000 +inf%
12.00
US$24,000 		2,000 +inf% 12.00 US$24,000
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