Week of Feb 2 – Feb 6, 2026
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Insider buying was led by a $38.1 million purchase of 2.1 million EIKN shares by Column Group entities and affiliates, followed by a $21.5 million acquisition of 315k WRB shares by Mitsui Sumitomo and a pair of $18.3 million buys totaling 2.15 million MANE shares by Patrick Enright and Longitude Capital. Notable sales included a $331.9 million disposal of 2 million FANG shares by SGF FANG Holdings, two separate $237 million sales of 11.85 million BANC shares each by Warburg Pincus funds, and a $181.7 million sale of 500k SYK shares by director Ronda Stryker. The activity shows concentrated buying in private biotech and insurance names alongside large-scale exits in energy and financials.
- Total bought
- $158.2M
- 10 filings
- Total sold
- $1.3B
- 10 filings
- Companies
- 15
- tracked this week
- Net flow
- −$1.2B
- net selling
Top insider buys
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | EIKNEikon Therapeutics, Inc. | Tim KutzkeyOther | 2.1M | $38.1M |
| 2 | WRBBERKLEY W R CORP | MITSUI SUMITOMO INSURANCE CO LTDOther | 315.2K | $21.5M |
| 3 | MANE◇3Veradermics, Inc | Patrick G EnrightDirector | 1.1M | $18.3M |
| 4 | MANE◇3Veradermics, Inc | Longitude Capital Partners V, LLCOther | 1.1M | $18.3M |
| 5 | SONOSonos Inc | Christopher S ShackeltonOther | 733.1K | $11.6M |
| 6 | MANE◇3Veradermics, Inc | Aaron CowenDirector | 282.7K | $10.5M |
| 7 | NFRX◇32023 ETF Series Trust | Harrison Street Real Assets Fund LLCOther | 390.3K | $10.0M |
| 8 | NFRX◇32023 ETF Series Trust | Harrison Street Real Assets Fund LLCOther | 399.5K | $10.0M |
| 9 | NFRX◇32023 ETF Series Trust | Harrison Street Real Assets Fund LLCOther | 387.0K | $10.0M |
| 10 | TVATexas Ventures Acquisition III Corp | Mark AngeloDirector | 925.0K | $10.0M |
Top insider sells
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | FANGDiamondback Energy, Inc. | SGF FANG Holdings, LPOther | 2.0M | $331.9M |
| 2 | BANC◇2BANC OF CALIFORNIA, INC. | WARBURG PINCUS LLCDirector | 11.8M | $237.0M |
| 3 | BANC◇2BANC OF CALIFORNIA, INC. | WARBURG PINCUS LLCDirector | 11.8M | $237.0M |
| 4 | SYKSTRYKER CORP | Ronda E StrykerDirector | 500.0K | $181.7M |
| 5 | MPWRMONOLITHIC POWER SYSTEMS INC | Michael HsingCEO | 54.9K | $64.3M |
| 6 | COINCoinbase Global, Inc. | Alesia J HaasCFO | 364.6K | $56.5M |
| 7 | HTFLHeartflow, Inc. | Bain Capital Life Sciences Investors, LLCOther | 2.0M | $56.1M |
| 8 | TDGTransDigm Group INC | Kevin M SteinDirector | 36.9K | $52.6M |
| 9 | ITWILLINOIS TOOL WORKS INC | Ernest Scott SantiDirector | 167.3K | $48.7M |
| 10 | THSTreeHouse Foods, Inc. | JANA Partners Management, LPDirector | 2.0M | $48.0M |
Quick Answer
What were the biggest insider trades the week of Feb 2 – Feb 6, 2026?
For the week of Feb 2 – Feb 6, 2026, the biggest buy was $38.1M of EIKN by Tim Kutzkey; the biggest sale was $331.9M of FANG by SGF FANG Holdings, LP.
Source: SEC EDGAR Form 4
Frequently Asked Questions
Which insider bought the most the week of Feb 2 – Feb 6, 2026?
Tim Kutzkey (Other) bought $38.1M of Eikon Therapeutics, Inc. (EIKN) — the largest insider purchase of the week by dollar value.
Which insider sold the most the week of Feb 2 – Feb 6, 2026?
SGF FANG Holdings, LP (Other) sold $331.9M of Diamondback Energy, Inc. (FANG) — the largest insider sale of the week by dollar value.
How are these insider trades ranked?
Trabud ranks each week's SEC Form 4 filings by total transaction dollar value, surfacing the largest open-market insider buys and sells. All data comes directly from official SEC EDGAR filings.
Track insider trading as it's filed
See live SEC Form 4 transactions and search them in plain English with Trabud's AI agent.
Open the AI agent