Corporate insider
Markell Jack A.
RSIHoldLens InsiderScore
+16
Slight insider buying
Buys
1
$29K
Sells
0
$0
Dominant
buy
Confidence
11%
Transaction history
| Date | Action | Shares | Price | Value |
|---|---|---|---|---|
| Sep 25, 2026 | BUY | 1,500 | $19.35 | $29K |
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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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