InsidersTradesSigma
Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
1
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+10.6%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Mastandrea Christine J, Chief Executive Officer. Officer active across 1 company, notably Whitestone REIT. Aggregated, 18 disclosures have been logged. Breakdown: 1 buy · 0 sell. Total volume traded: €4k. History available since 30 June 2021. The latest transaction was filed on 14 July 2026 (Disposition). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Mastandrea Christine J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
718,873 shares@ US$19.001.39% mcap99.4% of flowCommon SharesSEC:0001193125-26-304755:1
246,410 shares0Common SharesSEC:0001193125-26-304755:0
18,525 shares0Common SharesSEC:0001437749-26-011432:0
51,998 shares0Common SharesSEC:0001437749-26-000638:0
23,323 shares0Common SharesSEC:0001437749-25-022042:0
29,560 shares0Common SharesSEC:0001437749-25-000268:0
19,223 shares0Common SharesSEC:0001437749-24-022049:0
60,000 shares0Common SharesSEC:0001437749-24-000409:0
3,044 shares@ US$10.3232.1% of flowCommon SharesSEC:0001437749-23-021536:0
25,999 shares0Common SharesSEC:0001437749-23-019417:0
500 shares@ US$8.55764.9% of flowCommon SharesSEC:0001437749-22-023521:0
Canonical exit: 29 Dec 2022 (T+90)
3,044 shares@ US$11.2337.6% of flowCommon SharesSEC:0001437749-22-018422:0
14,780 shares0Common SharesSEC:0001437749-22-016478:0
251,357 shares0Common SharesSEC:0001175535-22-000013:0
1,522 shares@ US$8.850.1% of flowCommon SharesSEC:0001175535-21-000106:0
30,000 shares0Common SharesSEC:0001175535-21-000091:0
2,090 sharesCommon SharesSEC:0001171843-16-006997:0
15,865 sharesCommon SharesSEC:0001171843-16-006997:1
18 of 18 declarations
About Mastandrea Christine J
Christine J Mastandrea is Directeur Général and President and COO at Whitestone REIT. She has 18 filings in total, and, across the most recent filings we hold, the buy volume is EUR 4353 and the sell volume is EUR 11992240 between 2016-01-04 and 2026-07-15, with the most frequent transaction nature listed as Attribution.
