Onex US Principals LP — SEC Form 4 filings
SEC reporting owner CIK 1297369. 3 Form 4 filings on record with FilingPulse; latest filed 2026-07-14.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2024-10-03 to 2026-07-14. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 4.
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 |
|---|---|---|---|---|---|
| Emerald Holding, Inc. (EEX) | 10% owner | 2 | — | — | 3 |
| POWERSCHOOL HOLDINGS, INC. (PWSC) | Director, 10% owner | 1 | — | — | 1 |
Form 4 filings — Onex US Principals LP
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-14 | 4 | Emerald Holding, Inc. (EEX) jointly with Onex Partners Holdings LLC, Onex OP V Holdings SARL, Onex American Holdings GP LLC, Onex Partners Canadian GP Inc., Onex Partners V GP Ltd, OPV Gem Aggregator LP, Gilis Kosty, Munk Anthony | Disposition to issuer (D): 184,049,617 | EDGAR |
| 2025-03-31 | 4 | Emerald Holding, Inc. (EEX) jointly with ONEX CORP, SCHWARTZ GERALD W, Onex Partners GP Inc., Onex Partners III GP LP, ONEX PARTNERS III LP, ONEX PARTNERS III PV LP, Onex Partners III Select LP, Onex American Holdings II LLC, Onex American Holdings GP LLC | Option exercise (M): 137,461,868 · Option exercise (M): 69,718,919 (derivative) | EDGAR |
| 2024-10-03 | 4 | POWERSCHOOL HOLDINGS, INC. (PWSC) jointly with ONEX CORP, Onex Partners IV GP LLC, Onex Partners IV Select LP, Onex Private Equity Holdings LLC | Disposition to issuer (D): 71,118,123 | 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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