SC Filed 2021-04-05 Event — SEC 0001140361-21-011642 →

PLATINUM EQUITY LLC → Custom Truck One Source, Inc. CTOS

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 15/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: -23.8%

Passive Schedule 13G filer baseline
Held by 1 tracked 13F institutional manager
Moderate short days-to-cover (3.6 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

14 filings by this filer

13 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 3.58

3,682,716 shares short · -9.2% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $2.22M

Point72 Asset Mgmt

Other 13D/G Filings on Custom Truck One Source, Inc.

Filed	Form	Filer	Stake	Shares
2025-02-03	SCHEDULE	PLATINUM EQUITY, LLC	69.60%	156,743,635	view →
2025-02-03	SCHEDULE	ECP ControlCo, LLC	—	—	view →
2022-02-22	SC	Blackstone Holdings III L.P.	—	—	view →
2021-12-29	SC	ECP ControlCo, LLC	—	—	view →
2021-11-23	SC	Blackstone Holdings III L.P.	—	—	view →
2021-04-13	SC	ECP ControlCo, LLC	—	—	view →
2020-12-07	SC	ECP ControlCo, LLC	—	—	view →

Other Filings by PLATINUM EQUITY LLC

Filed	Form	Issuer	Stake	Shares
2025-02-03	SCHEDULE	Custom Truck One Source, Inc. CTOS	69.60%	156,743,635	view →
2023-11-07	SC	Hostess Brands, Inc.	—	—	view →
2021-12-10	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2021-11-08	SC	Vertiv Holdings Co VRT	—	—	view →
2021-08-27	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2021-03-03	SC	Vertiv Holdings Co VRT	—	—	view →
2020-11-19	SC	Vertiv Holdings Co VRT	—	—	view →
2020-02-04	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2019-07-09	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2019-06-11	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2019-05-01	SC	VERRA MOBILITY Corp VRRM	—	—	view →
2019-03-18	SC	KEY ENERGY SERVICES INC	—	—	view →
2019-02-14	SC	VERRA MOBILITY Corp VRRM	—	—	view →

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