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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-21-045646
Filing Date
2021-11-22
Accepted
2021-11-22 20:49:07
Documents
1
Period of Report
2021-11-22

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 29397
  Complete submission text file 0000899243-21-045646.txt   36133
Mailing Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125
Business Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125 (816) 241-4888
Custom Truck One Source, Inc. (Issuer) CIK: 0001709682 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7359 Services-Equipment Rental & Leasing, NEC

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Family Investment Partnership SMD L.P. (Reporting) CIK: 0001851447 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434466

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Partners NQ L.P. (Reporting) CIK: 0001855931 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434468

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Management Associates NQ L.L.C. (Reporting) CIK: 0001855939 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434461

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Family Investment Partnership NQ ESC L.P. (Reporting) CIK: 0001855942 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434465

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone EMA-NQ L.L.C. (Reporting) CIK: 0001855943 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434460

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Capital Partners VI-NQ L.P. (Reporting) CIK: 0001855944 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434464

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Family Investment Partnership VI-NQ ESC L.P. (Reporting) CIK: 0001856558 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434462

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
BCP CTOS Holdings L.P. (Reporting) CIK: 0001857351 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434463

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
BEP CTOS Holdings L.P. (Reporting) CIK: 0001857352 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38186 | Film No.: 211434467