簡介

本頁面提供了有關 John A Schofield 已知的內部交易歷史的全面分析。內部人士包括公司的高管、董事或重要投資者。一般而言,基於內幕、非公開信息進行交易是非法的。這並不意味著他們在自己的公司進行任何交易都是非法的。但是,他們必須透過Form 4向美國證券交易委員會(SEC)報告所有交易。盡管存在這些限制,學術研究表明,內部人士 - 整體而言 - 在自己公司中的投資表現往往優於市場。

平均交易盈利能力

「平均交易盈利能力」衡量了內部人士在過去三年中所有非計劃性的公開市場購買交易的平均回報率。計算過程包括檢查每筆交易,排除了作為10b5-1交易計劃的一部分的交易。然後,對每筆交易在3、6和12個月的表現進行平均,以生成該筆交易最終的表現指標。最終,將所有交易的表現指標進行平均,計算出內部人士的總體平均表現指標。列表僅包含在過去兩年中進行過至少三筆交易的內部人士。

如果內部人士的交易盈利能力顯示為"N/A",則可能是因為該內部人士在過去三年內沒有進行任何公開市場購買交易,或者他們進行的交易距離現在太近,無法計算出可靠的表現指標。

更新頻率:每日

查看收益最高的的內幕交易者列表。

報告內部持倉的公司

SEC文件顯示John A Schofield已報告在以下公司擁有持倉或進行了交易:

證券 職位 最新報告的持倉
US:SONS / Sonus Networks, Inc. Director 0
US:IDTI / Integrated Device Technology, Inc. Director 29,257
如何解讀這些圖表

以下圖表顯示了在John A Schofield進行的每筆公開市場非計劃交易後證券的股價表現。非計劃交易是指沒有作為10b5-1交易計劃的一部分而進行的交易。股價表現以累積百分比變化的方式繪製。例如,如果一筆內部人士交易是在2019年1月1日進行的,該圖表將顯示該證券的每日百分比變化直至當前日期。如果在此期間股價從10美元漲至15美元,則股價的累積百分比變化將為50%。從10美元漲至20美元的價格變化將為100%,而從10美元跌至5美元的價格變化將為-50%。

最終,我們將評估內部人士的交易與股價的超額回報(正向或負向)之間的相關性,以判斷內部人士是否在交易中利用內部信息獲利。如果內部人士有這樣的行為,我們預期看到(a)購買後的正回報,或者(b)賣出後的負回報。對於情況(a),購買圖表將顯示一系列向上傾斜的曲線,表示每次購買後都有正回報。對於情況(b),賣出圖表將顯示一系列向下傾斜的曲線,表示每次賣出後都有負回報。

然而,僅憑這一點還不足以得出結論。例如,如果公司的股價在多年內呈現非周期性上升,我們會預期所有購買後的圖表都呈現向上傾斜。同樣地,多年來呈現非周期性下降的股價會導致賣出後的圖表也呈現向下傾斜。這兩種情況的圖表都不能表示內部人士在進行內幕交易。

最有力的指標是在公司股價呈極度循環波動的情況下,「購買」圖表顯示正向信號,而「賣出」圖表顯示負向趨勢。這種情況強烈暗示內部人士可能根據內幕信息精確地計時進行交易,以獲得財務優勢。

歷史內部人交易

該表格顯示了由 John A Schofield 進行的所有內幕交易的完整列表,這些交易已向美國證券交易委員會(SEC)披露。

呈報日期 交易日期 表格 證券代碼 證券 代碼 10b5-1 股份 剩餘股份 %
變化
每股
股價
交易
金額
剩餘
金額
2017-07-17 2017-07-13 4 SONS SONUS NETWORKS INC
Stock Option (right to buy)
M - Exercise -7,500 0 -100.00
2017-07-17 2017-07-13 4 SONS SONUS NETWORKS INC
Common Stock
M - Exercise 7,500 73,093 11.43 6.25 46,875 456,831
2017-06-19 2017-06-15 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 19,816 65,593 43.29
2016-11-17 2016-11-17 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -5,000 29,257 -14.60 24.68 -123,400 722,063
2016-11-17 2016-11-15 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 6,356 34,257 22.78
2016-08-16 2016-08-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -1,000 27,901 -3.46 19.20 -19,200 535,699
2016-08-15 2016-08-12 4 SONS SONUS NETWORKS INC
Common Stock
S - Sale -1,000 45,777 -2.14 8.78 -8,783 402,064
2016-06-16 2016-06-15 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 17,046 46,777 57.33
2016-05-11 2016-05-09 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -5,700 28,901 -16.47 20.45 -116,565 591,025
2016-03-03 2016-03-02 4 SONS SONUS NETWORKS INC
Common Stock
S - Sale -9,108 29,731 -23.45 7.61 -69,312 226,253
2015-11-18 2015-11-16 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 5,876 34,601 20.46
2015-06-16 2015-06-15 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 19,532 38,839 101.17
2015-02-17 2015-02-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -10,000 0 -100.00
2015-02-17 2015-02-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -10,000 28,725 -25.82 20.84 -208,438 598,738
2015-02-17 2015-02-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 10,000 38,725 34.81 6.14 61,400 237,772
2015-02-09 2015-02-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -12,000 0 -100.00
2015-02-09 2015-02-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -12,000 28,725 -29.47 20.12 -241,394 577,838
2015-02-09 2015-02-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 12,000 40,725 41.78 5.66 67,920 230,504
2014-11-19 2014-11-17 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 6,784 28,725 30.92
2014-11-13 2014-11-11 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -8,834 21,941 -28.71 18.11 -159,984 397,352
2014-11-13 2014-11-11 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -8,834 21,941 -28.71 18.11 -159,984 397,352
2014-11-06 2014-11-04 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -8,418 30,775 -21.48 16.50 -138,897 507,788
2014-08-07 2014-08-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -12,000 0 -100.00
2014-08-07 2014-08-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -12,000 39,193 -23.44 15.00 -180,000 587,895
2014-08-07 2014-08-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 12,000 51,193 30.62 5.94 71,280 304,086
2014-06-17 2014-06-16 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 42,614 96,544 79.02
2014-06-05 2014-06-04 4 SONS SONUS NETWORKS INC
Common Stock
P - Purchase 11,000 53,930 25.62 3.50 38,494 188,728
2014-06-02 2014-05-29 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -10,000 0 -100.00
2014-06-02 2014-05-29 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -10,000 39,193 -20.33 13.61 -136,100 533,417
2014-06-02 2014-05-29 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 10,000 49,193 25.51 12.50 125,000 614,912
2014-05-14 2014-05-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -9,300 0 -100.00
2014-05-14 2014-05-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -9,300 39,193 -19.18 12.50 -116,250 489,912
2014-05-14 2014-05-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 9,300 48,493 23.73 6.00 55,800 290,958
2014-05-12 2014-05-08 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -700 9,300 -7.00
2014-05-12 2014-05-08 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -700 39,193 -1.75 12.51 -8,757 490,304
2014-05-12 2014-05-08 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 700 39,893 1.79 6.00 4,200 239,358
2014-02-11 2014-02-07 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
M - Exercise -10,000 0 -100.00
2014-02-11 2014-02-07 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -10,000 39,193 -20.33 10.25 -102,500 401,728
2014-02-11 2014-02-07 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
M - Exercise 10,000 49,193 25.51 5.14 51,400 252,852
2013-11-19 2013-11-15 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 11,941 39,193 43.82
2013-08-30 2013-08-29 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -2,002 27,252 -6.84 8.97 -17,958 244,450
2013-08-30 2013-08-29 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -2,998 29,254 -9.30 8.96 -26,862 262,116
2013-06-19 2013-06-17 4 SONS SONUS NETWORKS INC
Stock Option (right to buy)
A - Award 30,933 30,933
2013-06-19 2013-06-17 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 15,152 42,930 54.55
2012-12-07 2012-12-05 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -2,000 32,252 -5.84 6.38 -12,760 205,768
2012-11-19 2012-11-15 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
A - Award 12,000 12,000
2012-11-19 2012-11-15 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 8,834 34,252 34.75
2012-06-19 2012-06-15 4 SONS SONUS NETWORKS INC
Stock Option (right to buy)
A - Award 33,204 33,204
2012-06-19 2012-06-15 4 SONS SONUS NETWORKS INC
Common Stock
A - Award 17,778 27,778 177.78
2012-02-27 2012-02-24 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
S - Sale -5,000 25,418 -16.44 6.85 -34,250 174,113
2009-11-18 2009-11-16 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
A - Award 10,000 10,000
2009-11-18 2009-11-16 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Common Stock
A - Award 5,000 19,000 35.71
2005-09-16 2005-09-15 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
A - Award 10,000 10,000
2004-09-20 2004-09-16 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
A - Award 10,000 10,000
2003-09-15 2003-09-12 4 IDTI INTEGRATED DEVICE TECHNOLOGY INC
Non-Qualified Stock Option (right to buy)
A - Award 10,000 10,000
P
非衍生或衍生證券的公開市場或私下買入
S
非衍生或衍生證券的公開市場或私下賣出
A
公司向內部人員授予、獎勵或以其他方式獲取證券(例如股票期權)
C
衍生工具轉換
D
將證券賣出或轉讓回公司
F
使用從公司收到的證券的一部分來支付行使價或稅務負擔。
G
內部人士贈送或接收他人贈送公司股票
K
股權掉期和類似的避險交易
M
行使或轉換從公司獲得的衍生證券(例如期權)
V
內部人士透過Form 4自願報告的一筆交易
J
其他(附有交易描述的腳註)