Week of Apr 13 – Apr 17, 2026
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Insider buying was dominated by a $134 million purchase of KLRA by director Andrew T. Kaplan and a $61 million block purchase of NONE by Silver Point Capital, with additional large buys in LNBIX and THM. On the sell side, CoreWeave (CRWV) saw the largest outflows, with Magnetar entities offloading over $475 million across multiple tranches and Brian Venturo selling another $125 million. Other notable sales included Rakuten’s $271 million disposal of ASTS and Fluor’s $150 million exit from SMR, signaling broad profit-taking in high-growth tech and energy names.
- Total bought
- $285.1M
- 10 filings
- Total sold
- $1.4B
- 10 filings
- Companies
- 13
- tracked this week
- Net flow
- −$1.1B
- net selling
Top insider buys
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | KLRA◇2Kailera Therapeutics, Inc. | Andrew T. KaplanDirector | 8.4M | $134.4M |
| 2 | NONEKeenova Therapeutics plc | Silver Point Capital L.P.Other | 685.0K | $61.4M |
| 3 | LNBIXLincoln Bain Capital Total Credit Fund | Lincoln Financial Investments CorpOther | 2.5M | $25.0M |
| 4 | KLRA◇2Kailera Therapeutics, Inc. | Adam KoppelDirector | 1.6M | $25.0M |
| 5 | THMINTERNATIONAL TOWER HILL MINES LTD | PAULSON & CO. INC.Other | 4.9M | $12.6M |
| 6 | COE51Talk Online Education Group | Jack Jiajia HuangCEO | 385.0K | $9.6M |
| 7 | LWLamb Weston Holdings, Inc. | JANA Partners Management, LPDirector | 150.0K | $6.4M |
| 8 | ALMR◇2Alamar Biosciences, Inc. | Nicholas NaclerioDirector | 235.3K | $4.0M |
| 9 | ALMR◇2Alamar Biosciences, Inc. | Nicholas NaclerioOther | 235.3K | $4.0M |
| 10 | BORRBorr Drilling Ltd | Troim Tor OlavDirector | 500.0K | $2.8M |
Top insider sells
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | CRWV◇3CoreWeave, Inc. | David J. SnydermanOther | 2.6M | $309.0M |
| 2 | ASTSAST SpaceMobile, Inc. | Mikitani HiroshiOther | 3.0M | $270.9M |
| 3 | CRWV◇3CoreWeave, Inc. | David J. SnydermanOther | 1.4M | $166.2M |
| 4 | SMRNUSCALE POWER Corp | FLUOR CORPDirector | 12.9M | $150.4M |
| 5 | CRWV◇3CoreWeave, Inc. | Brian M VenturoOther | 1.1M | $124.7M |
| 6 | DELL◇4Dell Technologies Inc. | SLTA V (GP), L.L.C.Director | 458.7K | $81.3M |
| 7 | DELL◇4Dell Technologies Inc. | Egon DurbanDirector | 458.7K | $81.3M |
| 8 | DELL◇4Dell Technologies Inc. | Egon DurbanDirector | 382.0K | $67.5M |
| 9 | DELL◇4Dell Technologies Inc. | SLTA V (GP), L.L.C.Director | 382.0K | $67.5M |
| 10 | ALABAstera Labs, Inc. | Mohan JitendraCEO | 335.9K | $57.9M |
Quick Answer
What were the biggest insider trades the week of Apr 13 – Apr 17, 2026?
For the week of Apr 13 – Apr 17, 2026, the biggest buy was $134.4M of KLRA by Andrew T. Kaplan; the biggest sale was $309.0M of CRWV by David J. Snyderman.
Source: SEC EDGAR Form 4
Frequently Asked Questions
Which insider bought the most the week of Apr 13 – Apr 17, 2026?
Andrew T. Kaplan (Director) bought $134.4M of Kailera Therapeutics, Inc. (KLRA) — the largest insider purchase of the week by dollar value.
Which insider sold the most the week of Apr 13 – Apr 17, 2026?
David J. Snyderman (Other) sold $309.0M of CoreWeave, Inc. (CRWV) — 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.
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