Summary
Updated Aug 30, 2026
Kline Russell is Chief Financial Officer of 374Water Inc. (SCWO). 4 SEC Form 4 filings on record, most recently on 9 October 2025. Most recent open-market trade: bought $4K of SCWO on 21 August 2025. Lifetime open-market purchases: $12K. Historical track record: 5/5 stars across 3 tracked purchases.
Recent Transactions
4Every recent SEC Form 4 transaction Kline Russell has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Kline Russell files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Yaacov Nagar - $1.79M of SCWO open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Kline Russell?
Kline Russell is a corporate insider, tracked as Chief Financial Officer of 374Water Inc. (SCWO). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Kline Russell last file a Form 4?
The most recent primary Form 4 on record is dated 9 October 2025, one of 4 filings going back to 2025.
Has Kline Russell been buying or selling stock?
Recorded transactions: 3 open-market purchases ($12K) and 0 open-market sales across all tracked filings.
How accurate is Kline Russell's historical track record?
Across 3 tracked purchases, Kline Russell averaged +28.5% avg 30-day return with a 100% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
Where can I see all of Kline Russell's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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