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Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (10 ops.)
Latest filing published 20 Aug 2026 for Coeur Mining, Inc., €448k. Read the official filing
Filing timeline
BuySaleJ. Kenneth Thompson
Insider track record
Disclosed buys
1
Disclosed sells
10
T+90 hit rate
0%
T+90 mean return
-19.7%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
J. Kenneth Thompson: trading record in brief
This profile gathers the share dealings of J. Kenneth Thompson across 4 companies, led by Tetra Tech Inc, Coeur Mining, Inc. and Alaska Air Group, Inc. In total, 35 filings cover trades dated from 20 January 2016 to 19 August 2026.
Both buying and selling appear: 1 purchase worth €27k, against 10 sales worth €3.8M. On balance, insiders were net sellers of €3.8M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 16 share grants and 3 option exercises. 2026 to date brings no purchases and 1 sale.
The latest filing, published on 20 August 2026, reports an open-market sale of €448k in Coeur Mining, Inc. The last insider purchase was made public on 8 March 2023, 1,320 days ago. Typically, a trade is published a median of 2 days after it takes place. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to J. Kenneth Thompson
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations35 total
25,000 shares@ US$20.77Common Stock, par value $0.01 per shareSEC:0001188787-26-000004:0
5,247 shares0Common Stock, par value $0.01 per shareSEC:0001188787-26-000002:0
8,324 shares@ US$11.7475.3% of flowCommon Stock, par value $0.01 per shareSEC:0001188787-25-000005:0
17,160 shares0Common Stock, par value $0.01 per shareSEC:0000215466-25-000029:0
3,300 shares0COMMON STOCKSEC:0001188787-24-000004:0
3,191 shares@ US$43.86100.0% of flowCOMMON STOCKSEC:0001188787-24-000002:0
16,070 sharesCommon StockSEC:0000950170-24-052887:0
1,000 shares@ US$250.0023.4% of flowCommon StockSEC:0001038357-24-000034:0
34,129 shares0Common Stock, par value $0.01 per shareSEC:0000215466-24-000049:0
3,500 shares@ US$177.238921.4% of flowCOMMON STOCKSEC:0000831641-24-000019:0
4,200 shares@ US$47.956.9% of flowCOMMON STOCKSEC:0000831641-24-000011:0
1,054 shares0COMMON STOCKSEC:0000831641-23-000111:0
950 shares@ US$166.0275.3% of flowCOMMON STOCKSEC:0000831641-23-000077:0
2,500 shares@ US$156.2113.4% of flowCOMMON STOCKSEC:0000831641-23-000030:0
5,000 shares@ US$152.312926.1% of flowCOMMON STOCKSEC:0000831641-23-000026:0
1,511 shares0Common StockSEC:0001188787-23-000006:0
2,851 shares0COMMON STOCKSEC:0001188787-23-000005:0
2,500 shares0COMMON STOCKSEC:0001188787-23-000003:0
10,000 shares@ US$2.9287100.0% of flowCommon Stock, par value $0.01 per shareSEC:0000215466-23-000076:0
Canonical exit: 5 Jun 2023 (T+90)
28,169 shares0Common Stock, par value $0.01 per shareSEC:0000215466-23-000054:0
1,710 shares0COMMON STOCKSEC:0000831641-22-000118:0
3,500 shares@ US$158.984119.9% of flowCOMMON STOCKSEC:0001188787-22-000008:0
2,250 shares0COMMON STOCKSEC:0001188787-22-000003:0
1,287 shares0Common StockSEC:0001038357-22-000088:0
2,346 shares0COMMON STOCKSEC:0000766421-22-000047:0
25 of 35 declarations
