ECP ControlCo, LLC — SEC Form 4 filings
SEC reporting owner CIK 1707921. 33 Form 4 filings on record with FilingPulse; latest filed 2025-09-12.
Transaction summary — filings shown
Covers all 33 filings on record, filed 2024-04-02 to 2025-09-12. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 62 legs across 30 filings — 1,004,721 shares, $13,599,865 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 1 leg across 1 filing — 2,354,109 shares, $8,051,053 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 4.
- Largest priced transaction: sale of 2,354,109 shares @ $3.42 ($8,051,053) in Custom Truck One Source, Inc., filed 2024-09-09.
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 |
|---|---|---|---|---|---|
| SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) | 10% owner | 31 | 62 legs · 1,004,721 sh · $13,599,865 | — | 1 |
| Custom Truck One Source, Inc. (CTOS) | 10% owner | 2 | — | 1 leg · 2,354,109 sh · $8,051,053 | 3 |
Form 4 filings — ECP ControlCo, LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-09-12 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 13,541 @ $13.29 · Purchase (P): 1,803 @ $13.34 | EDGAR |
| 2025-09-10 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 147 @ $13.46 · Purchase (P): 362 @ $13.39 | EDGAR |
| 2025-09-08 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 2,068 @ $12.96 · Purchase (P): 3,000 @ $13.45 | EDGAR |
| 2025-09-04 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 28,951 @ $13.01 · Purchase (P): 30,000 @ $12.79 | EDGAR |
| 2025-09-02 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 14,358 @ $13.26 · Purchase (P): 12,000 @ $13.25 | EDGAR |
| 2025-08-28 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 7,053 @ $13.27 · Purchase (P): 200 @ $13.35 | EDGAR |
| 2025-08-26 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 4,000 @ $13.09 · Purchase (P): 1,500 @ $13.10 | EDGAR |
| 2025-08-22 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 15,433 @ $12.52 · Purchase (P): 9,059 @ $12.66 | EDGAR |
| 2025-08-20 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 20,047 @ $12.52 · Purchase (P): 10,560 @ $12.54 | EDGAR |
| 2025-08-14 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 30,000 @ $12.59 · Purchase (P): 1,473 @ $12.87 | EDGAR |
| 2025-08-12 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 30,000 @ $12.52 · Purchase (P): 30,000 @ $11.88 | EDGAR |
| 2025-08-08 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 22,085 @ $13.01 · Purchase (P): 25,104 @ $12.71 | EDGAR |
| 2025-08-06 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 23,703 @ $13.00 · Purchase (P): 26,117 @ $13.12 | EDGAR |
| 2025-08-04 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 22,847 @ $14.74 · Purchase (P): 8,585 @ $12.93 · Purchase (P): 20,620 @ $13.66 · Purchase (P): 795 @ $14.44 | EDGAR |
| 2025-07-31 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 19,852 @ $14.88 · Purchase (P): 17,303 @ $14.88 | EDGAR |
| 2025-07-29 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 10,264 @ $15.22 · Purchase (P): 11,934 @ $15.06 | EDGAR |
| 2025-07-25 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 15,801 @ $15.64 · Purchase (P): 8,980 @ $15.52 | EDGAR |
| 2025-07-23 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 16,467 @ $15.02 · Purchase (P): 17,583 @ $15.40 | EDGAR |
| 2025-07-21 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 30,000 @ $14.62 · Purchase (P): 20,004 @ $14.83 | EDGAR |
| 2025-07-17 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 28,952 @ $14.69 · Purchase (P): 22,402 @ $14.59 | EDGAR |
| 2025-07-15 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 8,000 @ $14.76 · Purchase (P): 21,137 @ $15.28 | EDGAR |
| 2025-07-11 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 17,687 @ $14.54 · Purchase (P): 16,943 @ $14.89 | EDGAR |
| 2025-07-09 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 15,314 @ $14.40 · Purchase (P): 28,700 @ $14.67 | EDGAR |
| 2025-06-16 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 11,100 @ $13.85 · Purchase (P): 6,000 @ $13.73 | EDGAR |
| 2025-06-12 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 13,219 @ $13.84 · Purchase (P): 4,631 @ $13.91 | EDGAR |
| 2025-06-10 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 14,184 @ $13.42 · Purchase (P): 9,500 @ $13.75 | EDGAR |
| 2025-06-06 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 16,840 @ $12.81 · Purchase (P): 13,000 @ $13.19 | EDGAR |
| 2025-06-04 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 36,238 @ $12.58 · Purchase (P): 26,623 @ $12.85 | EDGAR |
| 2025-06-02 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 32,000 @ $12.46 · Purchase (P): 30,339 @ $12.55 | EDGAR |
| 2025-05-29 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) jointly with Energy Capital Partners IV, LLC, Energy Capital Partners GP IV, LP, ENERGY CAPITAL PARTNERS IV-A, LP, ENERGY CAPITAL PARTNERS IV-B, LP, ENERGY CAPITAL PARTNERS IV-C, LP, ENERGY CAPITAL PARTNERS IV-D, LP, Energy Capital Partners IV-B (Hill City IP), LP | Purchase (P): 28,268 @ $11.91 · Purchase (P): 20,045 @ $12.30 | EDGAR |
| 2024-09-09 | 4 | Custom Truck One Source, Inc. (CTOS) jointly with ENERGY CAPITAL PARTNERS III, LLC, Energy Capital Partners GP III, LP, ENERGY CAPITAL PARTNERS III, LP, ENERGY CAPITAL PARTNERS III-A, LP, ENERGY CAPITAL PARTNERS III-B, LP, ENERGY CAPITAL PARTNERS III-C, LP, ENERGY CAPITAL PARTNERS III-D, LP, ENERGY CAPITAL PARTNERS GP III CO-INVESTMENT (NESCO), LLC, Energy Capital Partners III (NESCO Co-Invest), LP | Sale (S): 2,354,109 @ $3.42 | EDGAR |
| 2024-08-01 | 4 | SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) | Grant/award (A): 4,751 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | Custom Truck One Source, Inc. (CTOS) jointly with ECP Management GP, LLC, Energy Capital Partners Management, LP | Option exercise (M): 18,640 @ $0 · Option exercise (M): 18,640 (derivative) @ $0 · Grant/award (A): 22,218 (derivative) @ $0 | 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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