Corporate insider
Aufderhaar David
SFIXHoldLens InsiderScore
-8
Slight insider selling
Buys
1
$0
Sells
2
$184K
Dominant
mixed
Confidence
34%
Transaction history
| Date | Action | Shares | Price | Value |
|---|---|---|---|---|
| Sep 16, 2026 | SELL | 43,895 | $0 | $0 |
| Sep 16, 2026 | SELL | 62,665 | $2.94 | $184K |
| Sep 16, 2026 | BUY | 43,895 | $0 | $0 |
Related
All SFIX insiders
Every tracked officer at SFIX — aggregate InsiderScore + all Form 4s.
SFIX ConvictionScore
Full 13F + InsiderScore unified signal for SFIX.
Live insider feed
Every tracked Form 4 across all companies, chronological.
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.
See price on Amazon
See the full investing reading list
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