Week of May 18 – May 22, 2026
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Insider buying was dominated by a $6.84 billion purchase of SVRE by VisionWave Holdings, with notable follow-on buys in NONE ($36 million) and WGS ($21 million). On the sell side, CARR saw the week’s largest disposal as director Maximilian Viessmann offloaded nearly $750 million in shares, while CVS’s Larry Robbins and Exxon’s block sale in PUMP each exceeded $275 million. The activity points to concentrated profit-taking in large-cap industrials and healthcare alongside an outsized single-name long position in micro-cap SVRE.
- Total bought
- $6.9B
- 10 filings
- Total sold
- $2.6B
- 10 filings
- Companies
- 18
- tracked this week
- Net flow
- +$4.4B
- net buying
Top insider buys
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | SVRESaverOne 2014 Ltd. | VisionWave Holdings, Inc.Director | 1710.3M | $6.8B |
| 2 | NONEKeenova Therapeutics plc | Silver Point Capital L.P.Other | 397.5K | $36.0M |
| 3 | WGSGeneDx Holdings Corp. | Eli CasdinDirector | 500.0K | $21.5M |
| 4 | FBINFortune Brands Innovations, Inc. | Edward P GardenDirector | 408.9K | $13.7M |
| 5 | GOLDGold.com, Inc. | Giancarlo DevasiniOther | 141.5K | $5.7M |
| 6 | SLMT◇2Brera Holdings PLC | Ron SadeCEO | 1.1M | $5.7M |
| 7 | SLMT◇2Brera Holdings PLC | Keren Kalima MaimonDirector | 1.1M | $5.7M |
| 8 | TXOTXO Partners, L.P. | SIMPSON BOB RDirector | 384.4K | $5.3M |
| 9 | COE51Talk Online Education Group | Jack Jiajia HuangCEO | 183.0K | $4.8M |
| 10 | OFIXOrthofix Medical Inc. | John A. BartholdsonOther | 242.0K | $2.6M |
Top insider sells
| # | Company | Insider | Shares | Value |
|---|---|---|---|---|
| 1 | CARRCARRIER GLOBAL Corp | Maximilian ViessmannDirector | 12.1M | $750.0M |
| 2 | CVSCVS HEALTH Corp | Larry RobbinsDirector | 3.4M | $317.5M |
| 3 | PUMPProPetro Holding Corp. | EXXON MOBIL CORPOther | 16.6M | $276.6M |
| 4 | WMTWalmart Inc. | Walton Family Holdings TrustOther | 2.1M | $254.4M |
| 5 | RDWRedwire Corp | Michael Robert GreeneDirector | 15.2M | $209.6M |
| 6 | TET1 Energy Inc. | TRINA SOLAR (SCHWEIZ) AGOther | 22.5M | $190.3M |
| 7 | INFQ◇2Infleqtion, Inc. | Lee S Ainslie IIIDirector | 11.9M | $186.0M |
| 8 | INFQ◇2Infleqtion, Inc. | David B SingerDirector | 11.6M | $181.6M |
| 9 | ALABAstera Labs, Inc. | Gajendra SanjayCOO | 400.0K | $116.1M |
| 10 | LTHLife Time Group Holdings, Inc. | John G DanhaklDirector | 3.0M | $97.7M |
Quick Answer
What were the biggest insider trades the week of May 18 – May 22, 2026?
For the week of May 18 – May 22, 2026, the biggest buy was $6.8B of SVRE by VisionWave Holdings, Inc.; the biggest sale was $750.0M of CARR by Maximilian Viessmann.
Source: SEC EDGAR Form 4
Frequently Asked Questions
Which insider bought the most the week of May 18 – May 22, 2026?
VisionWave Holdings, Inc. (Director) bought $6.8B of SaverOne 2014 Ltd. (SVRE) — the largest insider purchase of the week by dollar value.
Which insider sold the most the week of May 18 – May 22, 2026?
Maximilian Viessmann (Director) sold $750.0M of CARRIER GLOBAL Corp (CARR) — 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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