Daily notes / October 19, 2026
Insider purchases filed on October 19, 2026: 20 open-market purchases, $37.2M
By OQRO's software, from the records of . Published . 2 min read.

The short answer
On October 19, 2026, insiders filed 20 open-market purchases worth $37.2M in total, at 11 companies. The largest was NIPPON LIFE INSURANCE CO, 10% owner at Corebridge Financial (CRBG), $12.1M. Each line below links to the Form 4 as filed with the SEC.
How much did insiders buy on October 19, 2026?
Insiders filed 20 open-market purchases with the SEC on October 19, 2026, worth $37.2M in total at price times shares as filed, by 12 people at 11 companies. The largest was NIPPON LIFE INSURANCE CO, 10% owner at Corebridge Financial, $12.1M. By sector, the filings came from Health Care (5), Financials (4), Information Technology (4).
Which were the largest purchases?
- NIPPON LIFE INSURANCE CO, 10% owner, bought $12.1M of Corebridge Financial (CRBG), traded Oct 15, 2026: the Form 4
- Evan Lockwood Rachlin, Director, bought $11.5M of Iambic Therapeutics (IAM), traded Oct 16, 2026: the Form 4
- Jason Gechen Zhang, President, Officer, bought $5.7M of Applied Digital (APLD), traded Oct 16, 2026: the Form 4
- NIPPON LIFE INSURANCE CO, 10% owner, bought $4.0M of Corebridge Financial (CRBG), traded Oct 15, 2026: the Form 4
- Wes Cummins, CEO; Chairman, bought $1.0M of Applied Digital (APLD), traded Oct 16, 2026: the Form 4
- NIPPON LIFE INSURANCE CO, 10% owner, bought $928K of Corebridge Financial (CRBG), traded Oct 15, 2026: the Form 4
- Lynn Sebastian Purcell, Director, bought $500K of Conexeu Sciences (CNXU), traded Oct 15, 2026: the Form 4
- GLENBROOK CAPITAL MANAGEMENT, 10% owner, bought $327K of Senestech (SNES), traded Oct 15, 2026: the Form 4
- GLENBROOK CAPITAL MANAGEMENT, 10% owner, bought $265K of Senestech (SNES), traded Oct 19, 2026: the Form 4
- Phil E Mulacek, Director, bought $222K of Empire Petroleum (EP), traded Oct 14, 2026: the Form 4
- Opaleye Management Inc., 10% owner, bought $191K of Alpha Cognition (ACOG), traded Oct 15, 2026: the Form 4
- Opaleye Management Inc., 10% owner, bought $118K of Alpha Cognition (ACOG), traded Oct 16, 2026: the Form 4
The full list of the day, with every filing, is on the day page for Oct 19, 2026.
What this does not tell you
A Form 4 reports a transaction, not the reason for it. A purchase can follow a trading window or a plan, and the amount is small or large only against what the insider already holds. The day is the filing date; the trade itself can be up to two business days earlier. This page lists what was filed on one day, with each record linked to its source. A filing does not say why it was made, and this is not investment advice.
Sources
No language model wrote this page: every figure is one of the day's records, linked to its filing. It describes what was filed, not why, and it is not investment advice. How OQRO treats data
Explore the data
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