BAIN CAPITAL INVESTORS LLC — SEC Form 4 filings
SEC reporting owner CIK 1040508. 8 Form 4 filings on record with FilingPulse; latest filed 2026-04-20.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-08-05 to 2026-04-20. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 8,398,438 shares, $134,375,008 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 6 legs across 5 filings — 23,829,418 shares, $1,637,901,177 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: sale of 7,500,000 shares @ $143.37 ($1,075,275,000) in COHERENT CORP., filed 2025-11-12.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| COHERENT CORP. (COHR) | 10% owner | 1 | — | 1 leg · 7,500,000 sh · $1,075,275,000 | 3 |
| Waystar Holding Corp. (WAY) | 10% owner | 4 | — | 4 legs · 13,411,918 sh · $516,128,521 | 5 |
| Kailera Therapeutics, Inc. (KLRA) | 10% owner | 1 | 1 leg · 8,398,438 sh · $134,375,008 | — | 2 |
| Bob's Discount Furniture, Inc. (BOBS) | 10% owner | 1 | — | 1 leg · 2,917,500 sh · $46,497,656 | — |
| Cerevel Therapeutics Holdings, Inc. (CERE) | Director, 10% owner | 1 | — | — | 1 |
Form 4 filings — BAIN CAPITAL INVESTORS LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-04-20 | 4 | Kailera Therapeutics, Inc. (KLRA) jointly with Bain Capital XIV General Partner, LLC, Bain Capital Fund XIV, L.P., BCPE Perseus Investor GP, LLC, BCPE Perseus Investor, LP | Conversion (C): 17,857,143 · Purchase (P): 8,398,438 @ $16 · Conversion (C): 17,857,143 (derivative) @ $0 | EDGAR |
| 2026-02-13 | 4 | Bob's Discount Furniture, Inc. (BOBS) jointly with BCPE BDF Investor, LP, BCPE BDF GP, LLC, BAIN CAPITAL BEACON ROLL SPV X, L.P., Bain Capital Beacon General Partner, LLC | Sale (S): 2,917,500 @ $15.94 | EDGAR |
| 2025-11-12 | 4 | COHERENT CORP. (COHR) jointly with Bain Capital Fund XII, LP, Bain Capital Partners XII, LLC, BCPE Watson (DE) Aggregator GP, LLC, BCPE Watson (DE) Aggregator, LP, BCPE Watson (DE) BML GP, LLC, BCPE Watson (DE) BML, LP | Conversion (C): 7,754,252 · Sale (S): 7,500,000 @ $143.37 · Other (J): 254,252 · Conversion (C): 54,023 (derivative) | EDGAR |
| 2025-09-16 | 4 | Waystar Holding Corp. (WAY) jointly with BCPE Derby Investor, LP, BCPE Derby GP, LLC, Bain Capital Fund XI, L.P., Bain Capital Partners XI, L.P., BCPE Derby (DE) SPV, LP, BCPE Derby (DE) SPV (GP), LLC | Sale (S): 4,295,139 @ $39.21 · Other (J): 516,371 | EDGAR |
| 2025-05-20 | 4 | Waystar Holding Corp. (WAY) jointly with BCPE Derby Investor, LP, BCPE Derby GP, LLC, Bain Capital Fund XI, L.P., Bain Capital Partners XI, L.P., BCPE Derby (DE) SPV, LP, BCPE Derby (DE) SPV (GP), LLC | Sale (S): 3,012,253 @ $37.39 · Other (J): 235,397 · Sale (S): 451,837 @ $37.39 | EDGAR |
| 2025-02-26 | 4 | Waystar Holding Corp. (WAY) jointly with BCPE Derby Investor, LP, BCPE Derby GP, LLC, Bain Capital Fund XI, L.P., Bain Capital Partners XI, L.P., BCPE Derby (DE) SPV, LP, BCPE Derby (DE) SPV (GP), LLC | Sale (S): 5,652,689 @ $38.60 · Other (J): 573,192 | EDGAR |
| 2024-12-16 | 4 | Waystar Holding Corp. (WAY) jointly with BCPE Derby Investor, LP, BCPE Derby GP, LLC, Bain Capital Fund XI, L.P., Bain Capital Partners XI, L.P. | Other (J): 23,936,936 · Other (J): 23,936,936 | EDGAR |
| 2024-08-05 | 4 | Cerevel Therapeutics Holdings, Inc. (CERE) jointly with BC Perception Holdings, LP, BCPE Perception GP, LLC, Bain Capital Fund XII, LP, Bain Capital Partners XII, LLC | Disposition to issuer (D): 65,679,781 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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