Corporate insider
Sylvester Jeffery S
CPKHoldLens InsiderScore
-1
Mixed insider activity
Buys
0
$0
Sells
1
$41K
Dominant
sell
Confidence
1%
Transaction history
| Date | Action | Shares | Price | Value |
|---|---|---|---|---|
| Feb 24, 2026 | SELL | 307 | $135.05 | $41K |
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Deep dive
Reading for your research
Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.
Amazon affiliate links — as an Amazon Associate, HoldLens earns from qualifying purchases and membership trials at no extra cost to you. These are books we genuinely recommend. Not investment advice; always do your own research.
Benjamin Graham
The Intelligent Investor
The foundational text. Buffett calls it 'by far the best book about investing ever written.'
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Benjamin Graham & David Dodd
Security Analysis
The deep dive behind The Intelligent Investor — how to actually read a filing and value a business.
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See the full investing reading list
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