Updated: May 18, 2026

William T Coleman III

STXSeagate Technology plcSEC CIK: 0001055401
Estimated Net Worth
$16 Million
Last Updated: May 18, 2026 05:00 PM EST

Transaction Summary

Total Transactions58
Buy-Sell Ratio0.19
Buy Transactions3
Sell Transactions16

Transaction Volume

Total Volume-$13.70M
Net Volume$14.29M
Buy Volume$293.44K
Sell Volume-$14.00M

Trade Analysis

AVG Trade Size-$236.57K
Largest Trade$612.12K
Most Active MonthOct
Most Active Year2003

Trading Sentiment

OverallBullish
Recent TradeNeutral
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

William T Coleman III has an estimated net worth of $16 Million. This is based on reported shares across multiple companies, which include Seagate Technology plc, PALM INC, SYMANTEC CORP, SKILLSOFT PUBLIC LIMITED CO, and BEA SYSTEMS INC.



2003 was William T Coleman III's most active year for acquiring shares with 11 total transactions. William T Coleman III's most active month to acquire stocks was the month of September. 2011 was William T Coleman III's most active year for disposing of shares, totalling 103 transactions. William T Coleman III's most active month to dispose stocks was the month of April. 2004 saw William T Coleman III paying a total of $1,692,364.10 for 176,504 shares, this is the most they've acquired in one year. In 2003 William T Coleman III cashed out on 1,359,698 shares for a total of $11,742,849.11, their largest year based on trade value.

Holdings & Transactions

STXseagate technology plc
Updated: Oct 23, 2020VIEW QUOTE
Form TypeSEC Filing
0.233.84K$51.69-$103.85K20.33KOct 21 - 22View
0.233.73K$57.75-$107.01K19.89KOct 28 - 29View
5.15K5.15KOct 30View
-0.162.91K$43.76-$127.52K15.10KOct 18View
0.285.06K$33.96-$103.17K23.41KOct 17 - 18View
-0.276.63K18.36KNov 04View
0.366.57K$35.34-$65.94K24.99KOct 18 - 19View
0.253.66K$38.52-$58.74K18.42KOct 21View
-0.224.05K14.76KNov 17View
0.132.09K$55.21-$118.32K18.81KOct 21 - 22View
-0.02358.00$48.54$84.55K21.62KNov 04 - 06View
From 3/A8.18KView
0.395.95K21.55KOct 30View
-0.162.96K$48.56-$143.98K15.60KOct 24View
0.606.76K$27.52-$40.59K18.56KScheduledOct 24View
0.554.05K11.80KApr 26View
7.75KView
GENsymantec corp
Updated: Oct 26, 2011VIEW QUOTE
Form TypeSEC Filing
-0.7124.00K$15.91-$124.68K9.60KScheduledOct 24View
-0.375.70K$18.54-$105.67K9.60KScheduledJun 13View
-0.3218.30K$15.89-$18.41K39.30KScheduledJun 13View
-0.5110.15K9.60KMay 27View
-0.4616.50K$19.99-$329.80K19.75KScheduledMay 16View
0.051.88K$15.74$22.76K36.25KScheduledMay 16View
-0.215.00K18.37KNov 01View
-0.5832.11K23.37KJun 01View
0.2912.34K55.48KMay 10View
-0.2116.00K$14.31-$84.44K59.14KScheduledFeb 22View
-0.3032.00K$15.04-$215.72K75.14KScheduledJan 04View
0.3711.75K43.14KMay 11View
-0.1416.00K$16.02-$139.32K95.39KScheduledSep 15View
-0.239.33K31.39KJul 02 - 30View
0.3811.31K40.72KMay 01 - 02View
0.459.11K29.42KSep 14View
0.183.12K$16.04$50.00K20.30KApr 25View
1.3910.00K$19.54$195.35K17.19KNov 14View
12.00K12.00KSep 19View
0.572.62K$19.07$49.98K7.19KApr 25View
12.00K$51.01$612.12K12.00KSep 17View
0.811.02K$48.91$49.99K2.28KApr 27View
0.811.02K$48.91$49.99K2.28KApr 27View
65.26KView
32.00KView
palm inc
Updated: Oct 01, 2008
Form TypeSEC Filing
2.4325.00K$4.0035.30KOct 01View
0.221.88K$7.22$13.54K10.30KSep 22View
89.42K89.42KJul 20 - 24View
80.00K80.00KJul 20 - 12View
View
60.00K60.00KJul 20View
skillsoft public limited co
Updated: Jan 05, 2004
Form TypeSEC Filing
10.00K83.78KJan 01View
bea systems inc
Updated: Mar 01, 2004
Form TypeSEC Filing
-0.03150.00K$10.22-$2.08M4.29MFeb 27View
-0.03150.00K$9.72-$985.54K4.44MJan 05View
-0.02100.00K4.44MDec 10View
-0.08400.00K$14.66-$5.86M4.54MSep 08View
-0.02115.64K$10.65-$976.02K5.09MSep 03 - 04View
-0.02107.14K$9.35-$996.26K4.95MSep 02View
-0.0291.28K$8.34-$798.22K5.00MAug 20View
-0.02115.79K$7.52-$1.26M5.10MAug 19View
View