Weekly report · Aug 17 to 23, 2026
Insider buying report: week 34, 2026
Form 4 filings filed Aug 17 to 23, 2026: 89 open-market purchases by 65 insiders at 56 companies, worth $350.15M where the price was reported; 454 open-market sales by 192 insiders at 144 companies, worth $700.51M where the price was reported.
All weekly reports · Current cluster buys
Top insider buys
Companies with the most open-market purchases by value, at most 10.
| # | Company | Buyers | Trades | Total | Latest filing |
|---|---|---|---|---|---|
| 1 | JEFJefferies Financial Group Inc. | 1 | 1 | $324.03M | Aug 21 |
| 2 | GWRSGlobal Water Resources, Inc. | 2 | 2 | $7.00M | Aug 21 |
| 3 | N/AManulife Private Credit Plus Fund | 2 | 2 | $6.15M | Aug 21 |
| 4 | COE51Talk Online Education Group | 1 | 2 | $3.93M | Aug 21 |
| 5 | AATAmerican Assets Trust, Inc. | 1 | 1 | $1.14M | Aug 21 |
| 6 | ALKAlaska Air Group, Inc. | 1 | 1 | $1.00M | Aug 21 |
| 7 | ELANElanco Animal Health Inc | 1 | 1 | $935.9K | Aug 21 |
| 8 | MEDMedifast Inc | 1 | 4 | $842.7K | Aug 21 |
| 9 | INVInnventure, Inc. | 4 | 4 | $807.8K | Aug 21 |
| 10 | DXSTDecent Holding Inc. | 1 | 1 | $800K | Aug 21 |
New cluster buys
A cluster is two or more insiders buying the same company's stock within 14 days. Listed here: companies that had a cluster at the end of the week but not at the end of the week before, counting purchases traded in the 30 days before and filed by then. Largest first, at most 20.
GWRSGlobal Water Resources, Inc.
$7.00M
2 insiders bought in 2 purchases, traded Aug 20
- Levine Jonathan L$5.77M
- Cohn Andrew M.$1.23M
INVInnventure, Inc.
$807.8K
4 insiders bought in 4 purchases, traded Aug 20
- Otworth Michael, Executive Chairman$349.3K
- Donnally James O$337.5K
- Haskell Gregory W, Chief Executive Officer$75.6K
- Brown Bruce$45.4K
NBBKNB Bancorp, Inc.
$47.9K
2 insiders bought in 2 purchases, traded Aug 20
- Campanelli Joseph P, President & CEO$43.5K
- Lapointe Jean-Pierre, SEVP and CFO$4.4K
IDAIT Stamp Inc
$37.1K
3 insiders bought in 4 purchases, traded Aug 19 – Aug 20
- Genner Gareth Neville, Chief Executive Officer$30.1K
- Francis Andrew Scott, Chief Technology Officer$5K
- Potts Charles Edward$2K
LFTLument Finance Trust, Inc.
$25K
2 insiders bought in 2 purchases, traded Aug 20
- Flynn James Peter, CEO$12.6K
- Houlihan William A$12.4K
RCGRENN Fund, Inc.
$5.1K
2 insiders bought in 2 purchases, traded Aug 20 – Aug 21
- Kesslen Jay H, Vice-President$2.9K
- Horizon Kinetics Asset Management LLC$2.2K
Largest insider sells
Companies with the most open-market sales by value, at most 10. Sales include those made under pre-arranged 10b5-1 plans, which the company page flags.
| # | Company | Sellers | Trades | Total | Latest filing |
|---|---|---|---|---|---|
| 1 | CBRSCerebras Systems Inc. | 1 | 11 | $151.05M | Aug 21 |
| 2 | ILMNIllumina, Inc. | 1 | 28 | $145.56M | Aug 21 |
| 3 | MANEVeradermics, Inc | 1 | 2 | $80.44M | Aug 21 |
| 4 | MEDPMedpace Holdings, Inc. | 3 | 4 | $33.74M | Aug 21 |
| 5 | NETCloudflare, Inc. | 1 | 26 | $28.29M | Aug 21 |
| 6 | LIFEEthos Technologies Inc. | 4 | 27 | $16.45M | Aug 21 |
| 7 | AMDAdvanced Micro Devices Inc | 1 | 8 | $13.60M | Aug 21 |
| 8 | ROIVRoivant Sciences Ltd. | 1 | 3 | $12.36M | Aug 21 |
| 9 | ITWIllinois Tool Works Inc | 1 | 4 | $11.89M | Aug 21 |
| 10 | DDOGDatadog, Inc. | 1 | 13 | $11.08M | Aug 21 |
Weeks run Monday to Sunday (UTC) by filing date. Open-market purchases (code P) and sales (code S) of common stock reported on SEC Form 4, summed per company; amended filings replace the originals. Not investment advice.