Last 12 months
Inside the activity.
3 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 3 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| July 01, 2025 Filed Jul 1, 2025 22:56 UTC |
Beckett ThomasDirector
|
GrantCommon | 29.2826 | $13.66 | $400.00 |
DisclosureSEC source: 0000354963-25-000178 · form4.xml · nonDerivative · entry 1 Beckett Thomas · CIK 0001490436 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,652.3223 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| July 01, 2025 Filed Jul 1, 2025 22:50 UTC |
BARNES VICTOR CHRISTOPHERDirector
|
GrantCommon Stock | 59.7855 | $13.66 | $816.67 |
DisclosureSEC source: 0000354963-25-000176 · form4.xml · nonDerivative · entry 1 BARNES VICTOR CHRISTOPHER · CIK 0001914490 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 15,912.996 F1 · date: Shares received in lieu of director fees. Read SEC document |
| June 13, 2025 Filed Jun 16, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 6,000 | $13.73 | $82,363.20 |
DisclosureSEC source: 0001641172-25-015261 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,714,371 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.5537 to $13.81. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 13, 2025 Filed Jun 16, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 6,000 | $13.73 | $82,363.20 |
DisclosureSEC source: 0001641172-25-015260 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,714,371 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.5537 to $13.81. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 12, 2025 Filed Jun 16, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 11,100 | $13.85 | $153,690.60 |
DisclosureSEC source: 0001641172-25-015261 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,708,371 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.785 to $13.92. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 12, 2025 Filed Jun 16, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 11,100 | $13.85 | $153,690.60 |
DisclosureSEC source: 0001641172-25-015260 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,708,371 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.785 to $13.92. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 11, 2025 Filed Jun 12, 2025 20:39 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 4,631 | $13.91 | $64,394.98 |
DisclosureSEC source: 0001641172-25-014881 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,697,271 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.89 to $13.95. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 11, 2025 Filed Jun 12, 2025 20:40 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 4,631 | $13.91 | $64,394.98 |
DisclosureSEC source: 0001641172-25-014884 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,697,271 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.89 to $13.95. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 10, 2025 Filed Jun 12, 2025 20:39 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 13,219 | $13.84 | $182,982.69 |
DisclosureSEC source: 0001641172-25-014881 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,692,640 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.72 to $14.06. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 10, 2025 Filed Jun 12, 2025 20:40 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 13,219 | $13.84 | $182,982.69 |
DisclosureSEC source: 0001641172-25-014884 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,692,640 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.72 to $14.06. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 09, 2025 Filed Jun 10, 2025 20:40 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 9,500 | $13.75 | $130,599.35 |
DisclosureSEC source: 0001641172-25-014537 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,679,421 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.74 to $13.75. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 09, 2025 Filed Jun 10, 2025 20:40 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 9,500 | $13.75 | $130,599.35 |
DisclosureSEC source: 0001641172-25-014536 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,679,421 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.74 to $13.75. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 06, 2025 Filed Jun 10, 2025 20:40 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 14,184 | $13.42 | $190,408.85 |
DisclosureSEC source: 0001641172-25-014537 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,669,921 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.24 to $13.50. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 06, 2025 Filed Jun 10, 2025 20:40 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 14,184 | $13.42 | $190,408.85 |
DisclosureSEC source: 0001641172-25-014536 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,669,921 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.24 to $13.50. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 05, 2025 Filed Jun 6, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 13,000 | $13.19 | $171,472.60 |
DisclosureSEC source: 0001641172-25-014078 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,655,737 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.04 to $13.29. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 05, 2025 Filed Jun 6, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 13,000 | $13.19 | $171,472.60 |
DisclosureSEC source: 0001641172-25-014076 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,655,737 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $13.04 to $13.29. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 04, 2025 Filed Jun 6, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 16,840 | $12.81 | $215,713.66 |
DisclosureSEC source: 0001641172-25-014078 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,642,737 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.69 to $12.885. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 04, 2025 Filed Jun 6, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 16,840 | $12.81 | $215,713.66 |
DisclosureSEC source: 0001641172-25-014076 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,642,737 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.69 to $12.885. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 03, 2025 Filed Jun 4, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 26,623 | $12.85 | $342,062.95 |
DisclosureSEC source: 0001641172-25-013630 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,625,897 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.65 to $13.00. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 03, 2025 Filed Jun 4, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 26,623 | $12.85 | $342,062.95 |
DisclosureSEC source: 0001641172-25-013631 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,625,897 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.65 to $13.00. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:53 UTC |
SCHULTZ LEIGH ANNDirector
|
GrantCommon Stock | 52.9944 | $12.58 | $666.67 |
DisclosureSEC source: 0000354963-25-000174 · form4.xml · nonDerivative · entry 1 SCHULTZ LEIGH ANN · CIK 0001680184 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 25,765.9808 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:52 UTC |
Rhymes Michael AnthonyDirector
|
GrantCommon Stock | 39.7456 | $12.58 | $500.00 |
DisclosureSEC source: 0000354963-25-000173 · form4.xml · nonDerivative · entry 1 Rhymes Michael Anthony · CIK 0002031312 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 2,870.7483 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:50 UTC |
QUAGLIO KENNETH LDirector
|
GrantCommon Stock | 49.682 | $12.58 | $625.00 |
DisclosureSEC source: 0000354963-25-000172 · form4.xml · nonDerivative · entry 1 QUAGLIO KENNETH L · CIK 0001697225 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,245.2502 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:49 UTC |
Koontz Richard L JrDirector
|
GrantCommon Stock | 39.7456 | $12.58 | $500.00 |
DisclosureSEC source: 0000354963-25-000171 · form4.xml · nonDerivative · entry 1 Koontz Richard L Jr · CIK 0001361555 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 59,775.7486 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:47 UTC |
Fitzsimmons TracyDirector
|
GrantCommon Stock | 82.8037 | $12.58 | $1,041.67 |
DisclosureSEC source: 0000354963-25-000170 · form4.xml · nonDerivative · entry 1 Fitzsimmons Tracy · CIK 0001326070 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 44,491.3603 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:45 UTC |
Beckett ThomasDirector
|
GrantCommon | 31.7965 | $12.58 | $400.00 |
DisclosureSEC source: 0000354963-25-000169 · form4.xml · nonDerivative · entry 1 Beckett Thomas · CIK 0001490436 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,623.0397 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 2, 2025 18:43 UTC |
BARNES VICTOR CHRISTOPHERDirector
|
GrantCommon Stock | 64.9181 | $12.58 | $816.67 |
DisclosureSEC source: 0000354963-25-000168 · form4.xml · nonDerivative · entry 1 BARNES VICTOR CHRISTOPHER · CIK 0001914490 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 15,853.2105 F1 · date: Shares received in lieu of director fees. Read SEC document |
| June 02, 2025 Filed Jun 4, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 36,238 | $12.58 | $456,008.12 |
DisclosureSEC source: 0001641172-25-013630 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,599,274 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.44 to $12.76. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| June 02, 2025 Filed Jun 4, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 36,238 | $12.58 | $456,008.12 |
DisclosureSEC source: 0001641172-25-013631 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,599,274 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.44 to $12.76. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 30, 2025 Filed Jun 2, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 30,339 | $12.55 | $380,866.70 |
DisclosureSEC source: 0001641172-25-013247 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,563,036 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.37 to $12.665. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 30, 2025 Filed Jun 2, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 30,339 | $12.55 | $380,866.70 |
DisclosureSEC source: 0001641172-25-013246 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,563,036 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.37 to $12.665. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 29, 2025 Filed Jun 2, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 32,000 | $12.46 | $398,649.60 |
DisclosureSEC source: 0001641172-25-013247 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,532,697 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.33 to $12.58. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 29, 2025 Filed Jun 2, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 32,000 | $12.46 | $398,649.60 |
DisclosureSEC source: 0001641172-25-013246 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,532,697 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $12.33 to $12.58. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 28, 2025 Filed May 29, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 20,045 | $12.31 | $246,653.73 |
DisclosureSEC source: 0001641172-25-012870 · ownership.xml · nonDerivative · entry 2 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,500,697 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $11.93 to $12.52. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 28, 2025 Filed May 29, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 20,045 | $12.31 | $246,653.73 |
DisclosureSEC source: 0001641172-25-012869 · ownership.xml · nonDerivative · entry 2 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,500,697 F4 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $11.93 to $12.52. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 27, 2025 Filed May 29, 2025 20:30 UTC |
ECP Fiber Holdings GP, LLC10% owner
ECP Fiber Holdings, LP10% owner
Hill City Holdings GP, LLC10% owner
Hill City Holdings, LP10% owner
|
PurchaseCommon Stock | 28,268 | $11.91 | $336,796.26 |
DisclosureSEC source: 0001641172-25-012870 · ownership.xml · nonDerivative · entry 1 ECP Fiber Holdings GP, LLC · CIK 0002032452 · 10% owner ECP Fiber Holdings, LP · CIK 0002032502 · 10% owner Hill City Holdings GP, LLC · CIK 0002032495 · 10% owner Hill City Holdings, LP · CIK 0001881388 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,480,652 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $11.34 to $12.25. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 27, 2025 Filed May 29, 2025 20:30 UTC |
ECP ControlCo, LLC10% owner
Energy Capital Partners IV, LLC10% owner
Energy Capital Partners GP IV, LP10% owner
ENERGY CAPITAL PARTNERS IV-A, LP10% owner
ENERGY CAPITAL PARTNERS IV-B, LP10% owner
ENERGY CAPITAL PARTNERS IV-C, LP10% owner
ENERGY CAPITAL PARTNERS IV-D, LP10% owner
|
PurchaseCommon Stock | 28,268 | $11.91 | $336,796.26 |
DisclosureSEC source: 0001641172-25-012869 · ownership.xml · nonDerivative · entry 1 ECP ControlCo, LLC · CIK 0001707921 · 10% owner Energy Capital Partners IV, LLC · CIK 0001845291 · 10% owner Energy Capital Partners GP IV, LP · CIK 0001844921 · 10% owner ENERGY CAPITAL PARTNERS IV-A, LP · CIK 0001726198 · 10% owner ENERGY CAPITAL PARTNERS IV-B, LP · CIK 0001726216 · 10% owner ENERGY CAPITAL PARTNERS IV-C, LP · CIK 0001726217 · 10% owner ENERGY CAPITAL PARTNERS IV-D, LP · CIK 0001726219 · 10% owner Energy Capital Partners IV-B (Hill City IP), LP · CIK 0002032499 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnotes Disclosed balance after: 2,480,652 F1 · price: The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $11.34 to $12.25. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. F2 · ownership.nature: The securities are held of record by Hill City Holdings, LP ("Hill City"). ECP ControlCo, LLC is the managing member of Energy Capital Partners IV, LLC, which is the general partner of Energy Capital Partners GP IV, LP, which is the general partner of each of (i) Energy Capital Partners IV-A, LP, (ii) Energy Capital Partners IV-B, LP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP (the "Funds"). Energy Capital Partners GP IV, LP is also the general partner of Energy Capital Partners IV-B (Hill City IP), LP ("Hill City IP"). Each of (i) Energy Capital Partners IV-A, LP, (ii) Hill City IP, (iii) Energy Capital Partners IV-C, LP, and (iv) Energy Capital Partners IV-D, LP are the members of Hill City Holdings GP, LLC, which is the general partner of Hill City. F3 · ownership.nature: ECP ControlCo, LLC is controlled by its board of managers, which consists of Douglas Kimmelman, Peter Labbat, Tyler Reeder, Rahman D'Argenio, Raoul Hughes and Xavier Robert, all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo, LLC. As a result of these relationships, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the securities held of record by Hill City. Each such entity and individual disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:50 UTC |
SCHULTZ LEIGH ANNDirector
|
GrantCommon Stock | 59.8447 | $11.14 | $666.67 |
DisclosureSEC source: 0000354963-25-000160 · form4.xml · nonDerivative · entry 1 SCHULTZ LEIGH ANN · CIK 0001680184 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 25,712.9864 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:48 UTC |
Rhymes Michael AnthonyDirector
|
GrantCommon Stock | 44.8833 | $11.14 | $500.00 |
DisclosureSEC source: 0000354963-25-000159 · form4.xml · nonDerivative · entry 1 Rhymes Michael Anthony · CIK 0002031312 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 2,831.0027 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:45 UTC |
Koontz Richard L JrDirector
|
GrantCommon Stock | 44.8833 | $11.14 | $500.00 |
DisclosureSEC source: 0000354963-25-000157 · form4.xml · nonDerivative · entry 1 Koontz Richard L Jr · CIK 0001361555 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 59,736.003 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:47 UTC |
QUAGLIO KENNETH LDirector
|
GrantCommon Stock | 56.1041 | $11.14 | $625.00 |
DisclosureSEC source: 0000354963-25-000158 · form4.xml · nonDerivative · entry 1 QUAGLIO KENNETH L · CIK 0001697225 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,195.5682 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:43 UTC |
Fitzsimmons TracyDirector
|
GrantCommon Stock | 93.5072 | $11.14 | $1,041.67 |
DisclosureSEC source: 0000354963-25-000156 · form4.xml · nonDerivative · entry 1 Fitzsimmons Tracy · CIK 0001326070 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 44,408.5566 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:41 UTC |
Beckett ThomasDirector
|
GrantCommon | 35.9066 | $11.14 | $400.00 |
DisclosureSEC source: 0000354963-25-000155 · form4.xml · nonDerivative · entry 1 Beckett Thomas · CIK 0001490436 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,591.2432 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| May 01, 2025 Filed May 1, 2025 18:39 UTC |
BARNES VICTOR CHRISTOPHERDirector
|
GrantCommon Stock | 92.0108 | $11.14 | $1,025.00 |
DisclosureSEC source: 0000354963-25-000154 · form4.xml · nonDerivative · entry 1 BARNES VICTOR CHRISTOPHER · CIK 0001914490 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 15,788.2924 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:38 UTC |
SCHULTZ LEIGH ANNDirector
|
GrantCommon Stock | 53.0366 | $12.57 | $666.67 |
DisclosureSEC source: 0000354963-25-000143 · form4.xml · nonDerivative · entry 1 SCHULTZ LEIGH ANN · CIK 0001680184 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 25,653.1417 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:35 UTC |
Rhymes Michael AnthonyDirector
|
GrantCommon Stock | 39.7772 | $12.57 | $500.00 |
DisclosureSEC source: 0000354963-25-000142 · form4.xml · nonDerivative · entry 1 Rhymes Michael Anthony · CIK 0002031312 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 2,786.1194 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:34 UTC |
QUAGLIO KENNETH LDirector
|
GrantCommon Stock | 49.7216 | $12.57 | $625.00 |
DisclosureSEC source: 0000354963-25-000141 · form4.xml · nonDerivative · entry 1 QUAGLIO KENNETH L · CIK 0001697225 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,139.4641 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:31 UTC |
Koontz Richard L JrDirector
|
GrantCommon Stock | 39.7772 | $12.57 | $500.00 |
DisclosureSEC source: 0000354963-25-000140 · form4.xml · nonDerivative · entry 1 Koontz Richard L Jr · CIK 0001361555 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 59,691.1197 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:29 UTC |
Fitzsimmons TracyDirector
|
GrantCommon Stock | 82.8695 | $12.57 | $1,041.67 |
DisclosureSEC source: 0000354963-25-000139 · form4.xml · nonDerivative · entry 1 Fitzsimmons Tracy · CIK 0001326070 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 44,315.0494 F1 · kind: Shares received in lieu of director fees. Read SEC document |
| April 01, 2025 Filed Apr 2, 2025 19:27 UTC |
Beckett ThomasDirector
|
GrantCommon | 31.8218 | $12.57 | $400.00 |
DisclosureSEC source: 0000354963-25-000138 · form4.xml · nonDerivative · entry 1 Beckett Thomas · CIK 0001490436 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,555.3366 F1 · kind: Shares received in lieu of director fees. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.