Biggest Insider Buys: September 2026
The largest open-market insider purchases disclosed in SEC Form 4 filings, ranked by dollar value.
In September 2026, 562 open-market insider purchases of $50K or more were disclosed across 257 companies in SEC Form 4 filings, totaling $2.2B. The largest single purchase was $154.1M by BAKER BROS. ADVISORS LP at Kodiak Sciences Inc. (KOD).
← All monthly rankingsLargest purchases · September 2026
| Source | |||||||
|---|---|---|---|---|---|---|---|
| KOD | Director, 10% Owner | Purchase | 1,908,029 | $154.1M | Sep 30 | SEC ↗ | |
| PBLSX | 10% Owner | Purchase | 8,671,826.091 | $99.4M | Sep 3 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 409,500 | $90.7M | Sep 10 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 370,264 | $83.2M | Sep 8 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 365,039 | $81.5M | Sep 8 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 329,200 | $73.5M | Sep 3 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 324,810 | $72.4M | Sep 14 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 311,304 | $68.9M | Sep 10 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 301,000 | $66.8M | Sep 1 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 256,000 | $56.9M | Sep 14 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 251,400 | $55.6M | Sep 1 | SEC ↗ | |
| LEN | 10% Owner | Purchase | 653,320 | $52.8M | Sep 26 | SEC ↗ | |
| LEN | 10% Owner | Purchase | 642,821 | $52.4M | Sep 30 | SEC ↗ | |
| RSG | 10% Owner | Purchase | 204,800 | $45.6M | Sep 3 | SEC ↗ | |
| LEN | 10% Owner | Purchase | 534,256 | $43.6M | Sep 26 | SEC ↗ | |
| PBLSX | 10% Owner | Purchase | 3,679,852.805 | $40.0M | Sep 2 | SEC ↗ | |
| LEN | 10% Owner | Purchase | 492,124 | $39.9M | Sep 26 | SEC ↗ | |
| FTK | Director | Purchase | 1,319,493 | $34.3M | Sep 16 | SEC ↗ | |
| PAMT | Director, 10% Owner | Purchase | 3,268,000 | $31.2M | Sep 9 | SEC ↗ | |
| GRAB | Chief Executive Officer | Purchase | 10,350,000 | $29.9M | Sep 22 | SEC ↗ | |
| GSAT | Director, 10% Owner | Purchase | 361,600 | $29.8M | Sep 21 | SEC ↗ | |
| CRBG | 10% Owner | Purchase | 805,782 | $27.5M | Sep 30 | SEC ↗ | |
| GME | President, CEO and Chairman | Purchase | 1,150,680 | $26.4M | Sep 21 | SEC ↗ | |
| QVCG | 10% Owner | Purchase | 1,600,000 | $26.0M | Sep 10 | SEC ↗ | |
| PBLSX | 10% Owner | Purchase | 2,446,183.953 | $25.0M | Sep 2 | SEC ↗ |
Showing 1–25 of 25
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