Insider Trading Overview, one sample t-test

Latest rejected null hypothesis t-test is for insider Blundin David B , latest action by insider was SALE on 2024-04-12 for symbol EVER.

The overview represents results for last seven days for insider trading. The traders were tested with one-tailed statistical test. The test validate the distribution area for one value, the value is greater or less than the certain value. Testing the null hypothesis that the trading activities mean is equal to a specified value μ0 with following expression: t = (x-μ0)/(s/√n)

x
sample mean
s
sample standard deviation
n
sample size

The overview we do one tailed tests. The goal is to identify if insider trading had statistical significance. If the inside tradings have statistical significance, then it could be mean, that the insider information advantage.

Example:

Person A BUY and SELL shares of one Company.
If A BUY a SHARE and in the following days the share price goes almost every time up.
If A SELL a SHARE and in the following days the share price goes almost every time down.
The hypothesis is then following: every time, when A do an action (BUY or SELL) then it has no significant influence on the expected value. Person A trades randomly and has no advantage information about the future price development.
Accept: Inside trader tradings are random
Reject: The tradings are are statistical significance Trader get positive trading for his actions.

CIK Name Last trading symbol Last trading date Last action t 1day p 1day T-Test # t 7day p 7day T-Test # t 14day p 14day T-Test # t 30day pp 30day T-Test #
1343837 Mattera Vincent D Jr COHR 2024-04-15 SALE 0.46 0.65 Accept 22 -0.02 0.98 Accept 22 -0.54 0.60 Accept 22 -0.62 0.54 Accept 22
1606410 Smith Dylan C BOX 2024-04-10 SALE -0.26 0.79 Accept 53 -0.59 0.56 Accept 52 -0.39 0.70 Accept 52 0.31 0.76 Accept 52
1648690 Fenster Edward Harris RUN 2024-04-11 SALE -0.55 0.58 Accept 98 -1.27 0.21 Accept 97 -0.99 0.33 Accept 97 0.83 0.41 Accept 97
1363530 Waldis Stephen G SNCR 2024-04-10 SALE -7.81 0.00 Accept 9 -27.14 0.00 Accept 8 -12.32 0.00 Accept 8 -10.74 0.00 Accept 8
1773298 Yuan Eric S. ZM 2024-04-10 SALE -1.45 0.15 Accept 72 -1.29 0.20 Accept 70 -0.92 0.36 Accept 70 -1.27 0.21 Accept 70
1496686 Williams Jeffrey E AAPL 2024-04-11 SALE 15.38 0.00 Reject 50 16.14 0.00 Reject 49 15.89 0.00 Reject 49 16.09 0.00 Reject 49
1106578 Rothblatt Martine A UTHR 2024-04-10 SALE 0.45 0.65 Accept 243 2.07 0.04 Reject 241 3.10 0.00 Reject 238 3.18 0.00 Reject 229
1651434 Adent John Edward NEOG 2024-04-10 BUY -0.07 0.95 Accept 8 -0.09 0.93 Accept 8 -0.20 0.85 Accept 8 -0.19 0.85 Accept 8
1584759 Heyman Richard A. ELVN 2024-04-11 SALE 4.21 0.00 Reject 16 6.40 0.00 Reject 16 5.78 0.00 Reject 16 7.38 0.00 Reject 16
1778739 White William Richard IRON 2024-04-11 SALE -0.48 0.63 Accept 23 1.38 0.18 Accept 23 1.11 0.28 Accept 22 1.12 0.28 Accept 23
1627720 Brazeal Mark David AVGO 2024-04-10 SALE 3.43 0.00 Reject 13 3.40 0.01 Reject 12 4.91 0.00 Reject 11 2.66 0.03 Reject 9
1877888 Gabrys Christina SNCR 2024-04-10 SALE -1.71 0.13 Accept 8 -1.64 0.15 Accept 7 -1.59 0.16 Accept 7 -1.73 0.13 Accept 7
1592539 Schulz David S. WCC 2028-03-01 SALE 0.70 0.52 Accept 5 0.31 0.77 Accept 5 1.75 0.15 Accept 5 2.96 0.04 Reject 5
1814012 Sankarlingam Velchamy ZM 2024-04-10 SALE 1.09 0.30 Accept 13 1.46 0.17 Accept 11 1.23 0.25 Accept 11 2.59 0.03 Reject 11
1359561 Lien Justine AVGO 2024-04-10 SALE 0.37 0.74 Accept 4 1.09 0.39 Accept 3 1.31 0.32 Accept 3 1.24 0.34 Accept 3
1872303 Flower Johanna FRSH 2024-04-10 SALE 0.00 1.00 Accept 25 -0.18 0.86 Accept 24 1.25 0.22 Accept 24 -0.15 0.89 Accept 24
1423755 Kang Jin WYY 2024-04-10 BUY -0.90 0.38 Accept 18 0.17 0.86 Accept 17 0.31 0.76 Accept 13 0.63 0.54 Accept 13
1817213 Rizik Matthew RKT 2024-04-10 BUY -1.04 0.30 Accept 124 1.47 0.14 Accept 121 2.93 0.00 Reject 117 2.23 0.03 Reject 108
1866222 Weingarten Tomer S 2024-04-11 SALE 1.38 0.17 Accept 58 -0.35 0.73 Accept 55 0.32 0.75 Accept 55 -0.41 0.68 Accept 55
1513362 Maestri Luca AAPL 2024-04-11 SALE 13.68 0.00 Reject 47 14.73 0.00 Reject 46 14.70 0.00 Reject 46 14.13 0.00 Reject 46
1203475 Blundin David B EVER 2024-04-12 SALE 5.18 0.00 Reject 83 3.93 0.00 Reject 83 2.00 0.05 Reject 83 2.55 0.01 Reject 81
1744546 Link Management, Llc EVER 2024-04-12 SALE 2.83 0.01 Reject 47 2.61 0.01 Reject 47 0.53 0.60 Accept 46 1.66 0.10 Accept 45
1860609 Patel Sushil RVMD 2024-04-10 SALE -0.46 0.68 Accept 4 -0.14 0.90 Accept 3 -0.76 0.53 Accept 3 -0.40 0.73 Accept 3
1294693 Benioff Marc CRM 2024-04-11 SALE -1.71 0.09 Accept 339 -3.24 0.00 Accept 335 -4.20 0.00 Accept 332 -6.08 0.00 Accept 321
1274775 Hatsopoulos John TGEN 2024-04-12 BUY 2.94 0.00 Reject 64 1.60 0.11 Accept 60 -0.06 0.95 Accept 59 -1.51 0.14 Accept 57
1888946 Winkles Isabelle BRZE 2024-04-11 SALE -0.17 0.87 Accept 24 -1.91 0.07 Accept 22 -2.38 0.03 Accept 22 -1.04 0.31 Accept 22
1833015 Godbole Pete SMAR 2024-04-11 SALE 0.20 0.85 Accept 5 0.03 0.98 Accept 4 -0.58 0.60 Accept 4 0.07 0.95 Accept 4
1805097 Ballal Rahul D. ELVN 2024-04-10 SALE -2.18 0.16 Accept 3 -2.45 0.13 Accept 3 -2.53 0.13 Accept 3 -70.00 0.01 Accept 2
1469989 Doran Patrick Joseph SNCR 2024-04-10 SALE 0.10 0.92 Accept 4 -0.37 0.74 Accept 4 -0.36 0.74 Accept 4 -0.43 0.70 Accept 4
1747055 Adair Jason LQDA 2024-04-12 SALE -0.81 0.45 Accept 7 -1.02 0.35 Accept 6 -1.08 0.33 Accept 6 -1.42 0.23 Accept 5
1860429 Raketich Kevin A MTUS 2024-04-15 SALE -0.68 0.54 Accept 5 -1.18 0.30 Accept 5 -2.45 0.07 Accept 5 -0.67 0.55 Accept 4
1079782 Saylor Michael J MSTR 2024-04-11 SALE -2.32 0.02 Accept 86 -3.65 0.00 Accept 80 -4.72 0.00 Accept 77 -7.87 0.00 Accept 51
1938861 Cook Meredith ANIP 2024-04-12 SALE -0.55 0.61 Accept 5 -2.17 0.12 Accept 4 -1.70 0.19 Accept 4 -1.77 0.17 Accept 4
1666121 Farquhar Scott TEAM 2024-04-11 SALE -0.32 0.75 Accept 350 -0.48 0.63 Accept 346 -0.37 0.71 Accept 342 -0.37 0.71 Accept 332
1666120 Cannon-brookes Michael TEAM 2024-04-11 SALE -0.50 0.62 Accept 347 -0.66 0.51 Accept 343 -0.57 0.57 Accept 340 -0.64 0.52 Accept 328
1882813 Taylor Jennifer H FRSH 2024-04-10 SALE -0.18 0.86 Accept 27 -0.31 0.76 Accept 26 1.48 0.15 Accept 26 0.68 0.50 Accept 26
1711121 Holloway Jason WYY 2024-04-10 BUY 1.25 0.26 Accept 7 1.38 0.23 Accept 6 0.61 0.57 Accept 6 3.09 0.03 Reject 6