InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
2
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Young William John. Insider active across 1 company, notably Smart Sand, Inc.. In total, 31 filings have been recorded. Split: 0 buy · 2 sells. Total volume traded: €148k. Activity tracked since 30 April 2021. The latest transaction was disclosed on 19 August 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Young William John
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations31 total
62,893 shares0Common StockSEC:0001687130-26-000013:0
3,885 shares@ US$4.084.0% of flowCommon StockSEC:0001687130-26-000009:0
27,879 shares0Common StockSEC:0001687130-26-000005:0
9,291 shares@ US$5.199.3% of flowCommon StockSEC:0001687130-26-000007:0
12,260 shares@ US$5.2512.5% of flowCommon StockSEC:0001687130-26-000003:0
7,551 shares@ US$2.084.2% of flowCommon StockSEC:0001687130-25-000005:0
3,885 shares@ US$1.922.1% of flowCommon StockSEC:0001529628-25-000105:0
3,886 shares@ US$2.381.9% of flowCommon StockSEC:0001529628-25-000070:0
12,546 shares0Common StockSEC:0001529628-25-000055:0
130,435 shares0Common StockSEC:0001529628-25-000030:0
13,064 shares@ US$2.256.3% of flowCommon StockSEC:0001529628-25-000012:0
7,551 shares@ US$2.093.3% of flowCommon StockSEC:0001529628-24-000147:0
3,886 shares@ US$2.081.7% of flowCommon StockSEC:0001529628-24-000132:0
4,608 shares@ US$1.901.8% of flowCommon StockSEC:0001529628-24-000082:0
17,666 shares0Common StockSEC:0001529628-24-000071:0
17,666 shares0Common StockSEC:0001529628-24-000052:0
154,639 shares0Common StockSEC:0001529628-24-000034:0
8,480 shares@ US$1.913.4% of flowCommon StockSEC:0001529628-23-000131:0
7,551 shares@ US$1.792.8% of flowCommon StockSEC:0001529628-23-000089:0
3,885 shares@ US$1.561.3% of flowCommon StockSEC:0001529628-23-000067:0
54,545 shares0Common StockSEC:0001529628-23-000033:0
8,476 shares@ US$1.713.1% of flowCommon StockSEC:0001529628-22-000139:0
7,548 shares@ US$2.424.1% of flowCommon StockSEC:0001529628-22-000109:0
54,545 shares0Common StockSEC:0001529628-22-000084:0
10,954 shares@ US$3.427.9% of flowCommon StockSEC:0001529628-22-000072:0
25 of 31 declarations
About Young William John
YOUNG WILLIAM JOHN is Chief Operating Officer at Smart Sand, Inc. He has 30 filings in total, and among the sampled filings the transactions span from 2021-05-04 to 2026-03-19, with sum_sell_eur of 147889 and sum_buy_eur of 0. The modal transaction nature is Retenue fiscale.
