Updated Jul 16, 2026
BAIN CAPITAL INVESTORS LLC has filed 1 SEC Form 4 filing across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $134.38M. Lifetime open-market sales: $1.42B.

| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-20 | KLRA | Kailera Therapeutics, Inc. | P — Open-market purchase | 8.40M | $16.00 | $134.38M |
| 2026-04-20 | KLRA | Kailera Therapeutics, Inc. | J — Other acquisition / disposition | 17.86M | — | |
| 2026-02-13 | BOBS | Bob's Discount Furniture, Inc. | S — Open-market sale | 2.92M | $15.94 | $46.50M |
| 2025-11-13 | COHR | COHERENT CORP. | J — Other acquisition / disposition | 254.3K | — | |
| 2025-11-13 | COHR | COHERENT CORP. | S — Open-market sale | 7.50M | $143.37 | $1.08B |
| 2025-11-13 | COHR | COHERENT CORP. | J — Other acquisition / disposition | 7.75M | — | |
| 2025-09-12 | WAY | Waystar Holding Corp. | J — Other acquisition / disposition | 516.4K | — | |
| 2025-09-12 | WAY | Waystar Holding Corp. | S — Open-market sale | 4.30M | $39.21 | $168.41M |
| 2025-05-16 | WAY | Waystar Holding Corp. | S — Open-market sale | 451.8K | $37.39 | $16.89M |
| 2025-05-16 | WAY | Waystar Holding Corp. | J — Other acquisition / disposition | 235.4K | — | |
| 2025-05-16 | WAY | Waystar Holding Corp. | S — Open-market sale | 3.01M | $37.39 | $112.63M |
| 2024-12-16 | WAY | Waystar Holding Corp. | J — Other acquisition / disposition | 23.94M | — | |
| 2024-12-16 | WAY | Waystar Holding Corp. | J — Other acquisition / disposition | 23.94M | — |
BAIN CAPITAL INVESTORS LLC is a corporate insider — currently tracked as Insider of Kailera Therapeutics, Inc. (KLRA). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($134.38M) and 5 open-market sales ($1.42B) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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