Tapewire

NYSE · USD

NGS

NATURAL GAS SERVICES GROUP INC

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Tapewire entity
1461
SEC CIK
0001084991
Parsed reports
285

Last 12 months

Inside the activity.

2 purchase rows · 13 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202508
Dec 202523
Jan 202600
Feb 202600
Mar 202602
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
November 19, 2025 Filed Nov 20, 2025 21:17 UTC SaleCommon Stock 10,000 $30.31 $303,100.00
Disclosure

SEC source: 0001316004-25-000006 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,432

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:11 UTC SaleCommon Stock 10,000 $31.01 $310,069.00
Disclosure

SEC source: 0001316004-25-000005 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 335,432

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $31.00 to $31.055 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 15:14 UTC SaleCommon Stock 10,000 $30.00 $300,020.00
Disclosure

SEC source: 0001316004-25-000004 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,432

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $30.00 to $30.04 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 15:14 UTC SaleCommon Stock 8,748 $29.50 $258,066.00
Disclosure

SEC source: 0001316004-25-000004 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 355,432

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.50 to $29.53 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
November 07, 2025 Filed Nov 7, 2025 21:52 UTC SaleCommon Stock 1,252 $29.50 $36,936.50
Disclosure

SEC source: 0001316004-25-000003 · primary_doc.xml · nonDerivative · entry 3

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 364,180

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.50 to $29.525 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
November 07, 2025 Filed Nov 7, 2025 21:52 UTC SaleCommon Stock 9,900 $29.00 $287,117.82
Disclosure

SEC source: 0001316004-25-000003 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 365,432

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.00 to $29.12 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
November 06, 2025 Filed Nov 7, 2025 21:52 UTC SaleCommon Stock 100 $29.00 $2,900.00
Disclosure

SEC source: 0001316004-25-000003 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,332

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
Exercise / conversionRestricted Stock Units · Derivative 1,909 $0.00 $0.00
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · derivative · entry 9

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,909 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.exercise_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.expiration_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F6 · balance_after: A total of 7,105 RSUs from the 2025 RSU Grant were forfeited in connection with the reporting person's retirement.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
Exercise / conversionRestricted Stock Units · Derivative 2,486 $0.00 $0.00
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · derivative · entry 8

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,486 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.exercise_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.expiration_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F5 · balance_after: A total of 5,043 RSUs from the 2024 RSU Grant were forfeited in connection with the reporting person's retirement.

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November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
Exercise / conversionRestricted Stock Units · Derivative 128 $0.00 $0.00
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · derivative · entry 7

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 128 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.exercise_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F3 · derivative.expiration_date: Not applicable. Each RSU and/or PSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F4 · balance_after: A total of 1,992 RSUs from the 2023 RSU Grant were forfeited in connection with the reporting person's retirement.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
Tax withholdingCommon Stock 3,849 $27.84 $107,156.16
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 6

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,033

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 1,910 Not disclosed Not disclosed
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 5

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,882

F2 · price: Not applicable. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU").

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 6,250 Not disclosed Not disclosed
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 4

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,972

F2 · price: Not applicable. Represents shares acquired in connection with the vesting of A Performance Share Award ("PSU").

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 1,909 Not disclosed Not disclosed
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 3

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,722

F1 · price: Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 2,486 Not disclosed Not disclosed
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 2

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,813

F1 · price: Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 22:07 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 128 Not disclosed Not disclosed
Disclosure

SEC source: 0001629779-25-000002 · primary_doc.xml · nonDerivative · entry 1

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,327

F1 · price: Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 20:49 UTC Exercise / conversionRestricted Stock Units · Derivative 3,465 $0.00 $0.00
Disclosure

SEC source: 0001207300-25-000004 · primary_doc.xml · derivative · entry 2

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,465 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F2 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F2 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

Read SEC document
November 03, 2025 Filed Nov 3, 2025 20:49 UTC GrantCommon Stock 3,465 Not disclosed Not disclosed
Disclosure

SEC source: 0001207300-25-000004 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,265

F1 · price: Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.

Read SEC document
October 09, 2025 Filed Oct 10, 2025 14:24 UTC
Tucker Brian LPresident & COO
Exercise / conversionRestricted Stock Units · Derivative 2,121 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000135 · primary_doc.xml · derivative · entry 3

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,120

Underlying: Common Stock · 2,121 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F2 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

F2 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment.

Read SEC document
October 09, 2025 Filed Oct 10, 2025 14:24 UTC
Tucker Brian LPresident & COO
Tax withholdingCommon Stock 644 $27.10 $17,452.40
Disclosure

SEC source: 0001084991-25-000135 · primary_doc.xml · nonDerivative · entry 2

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,199

Read SEC document
October 09, 2025 Filed Oct 10, 2025 14:24 UTC
Tucker Brian LPresident & COO
GrantCommon Stock 2,121 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000135 · primary_doc.xml · nonDerivative · entry 1

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,843

F1 · price: Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award.

Read SEC document
September 26, 2025 Filed Sep 26, 2025 19:49 UTC SaleCommon Stock 7,915 $28.50 $225,586.21
Disclosure

SEC source: 0001084991-25-000133 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,432

F1 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.50 to $28.53 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
September 25, 2025 Filed Sep 25, 2025 20:29 UTC SaleCommon Stock 759 $28.50 $21,631.50
Disclosure

SEC source: 0001084991-25-000132 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 383,347

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

Read SEC document
September 24, 2025 Filed Sep 24, 2025 20:33 UTC SaleCommon Stock 1,326 $28.50 $37,791.00
Disclosure

SEC source: 0001084991-25-000131 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 384,106

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

Read SEC document
September 23, 2025 Filed Sep 23, 2025 20:13 UTC SaleCommon Stock 10,000 $28.01 $280,148.00
Disclosure

SEC source: 0001084991-25-000130 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 385,432

F1 · shares: The sales reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.00 to $28.18 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in this footnote.

Read SEC document
September 23, 2025 Filed Sep 23, 2025 20:13 UTC SaleCommon Stock 1,457 $27.50 $40,067.50
Disclosure

SEC source: 0001084991-25-000130 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 395,432

F1 · shares: The sales reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

Read SEC document
September 19, 2025 Filed Sep 19, 2025 21:49 UTC SaleCommon Stock 63 $27.50 $1,732.50
Disclosure

SEC source: 0001084991-25-000129 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 396,889

F1 · shares: The sales reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

Read SEC document
September 18, 2025 Filed Sep 18, 2025 20:29 UTC SaleCommon Stock 1,638 $27.50 $45,045.98
Disclosure

SEC source: 0001084991-25-000128 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 396,952

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported n Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $27.50 to $27.505 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 17, 2025 Filed Sep 17, 2025 20:37 UTC SaleCommon Stock 6,553 $27.51 $180,253.37
Disclosure

SEC source: 0001084991-25-000127 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 398,590

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $27.50 to $27.59 inclusive. The reporting person undertakes to provide NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 16, 2025 Filed Sep 16, 2025 20:42 UTC SaleCommon Stock 289 $27.50 $7,947.50
Disclosure

SEC source: 0001084991-25-000126 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 405,143

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price, if applicable.

Read SEC document
September 15, 2025 Filed Sep 15, 2025 18:54 UTC Exercise / conversionRestricted Stock Units · Derivative 2,098 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000125 · primary_doc.xml · derivative · entry 3

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,098 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not applicable. Each Restricted Stock Unit represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

F2 · derivative.exercise_date: Not applicable. Each Restricted Stock Unit represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

F2 · derivative.expiration_date: Not applicable. Each Restricted Stock Unit represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash).

Read SEC document
September 15, 2025 Filed Sep 15, 2025 18:54 UTC GrantCommon Stock 2,098 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000125 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,432

F1 · price: Not applicable. The reported shares were acquired in connection with the vesting of a Restricted Stock Unit award.

Read SEC document
September 04, 2025 Filed Sep 4, 2025 16:03 UTC PurchaseCommon Stock 3,752 $26.58 $99,724.41
Disclosure

SEC source: 0001084991-25-000122 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,800

Read SEC document
September 04, 2025 Filed Sep 4, 2025 21:22 UTC SaleCommon Stock 10,000 $27.00 $270,018.00
Disclosure

SEC source: 0001084991-25-000123 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 403,334

F1 · shares: The sale reported on this Form 4 was effectuated pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.00 to $27.015 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
August 22, 2025 Filed Aug 22, 2025 17:11 UTC SaleCommon Stock 10,000 $26.00 $260,035.00
Disclosure

SEC source: 0001084991-25-000118 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 413,334

F1 · shares: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.00 to $26.095 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price with the range set forth in this footnote.

Read SEC document
August 22, 2025 Filed Aug 22, 2025 17:11 UTC SaleCommon Stock 10,000 $26.50 $265,025.00
Disclosure

SEC source: 0001084991-25-000118 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 423,334

F1 · shares: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on May 16, 2025

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.50 to $26.57 inclusive. The reporting person undertakes to provide to NGS, any security holder of NGS, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 15:50 UTC PurchaseCommon Stock 4,048 $24.49 $99,153.74
Disclosure

SEC source: 0001084991-25-000117 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,048

Read SEC document
August 08, 2025 Filed Aug 25, 2025 18:25 UTC GrantCommon Stock 34 $24.78 $842.52
Disclosure

SEC source: 0001084991-25-000120 · primary_doc.xml · nonDerivative · entry 2

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 13,615

F1 · shares: Shares acquired through reinvestment of cash dividend pursuant to the terms of the deferred compensation plan.

Read SEC document
August 08, 2025 Filed Aug 25, 2025 17:52 UTC GrantCommon Stock 459 $24.78 $11,374.02
Disclosure

SEC source: 0001084991-25-000119 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 114,213

F1 · shares: Shares acquired through reinvestment of cash dividend pursuant to the terms of the deferred compensation plan.

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June 13, 2025 Filed Jun 16, 2025 21:16 UTC Exercise / conversionRestricted Stock Units · Derivative 5,620 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000093 · primary_doc.xml · derivative · entry 3

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,620 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.exercise_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.expiration_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

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June 13, 2025 Filed Jun 16, 2025 21:16 UTC GrantCommon Stock 5,058 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000093 · primary_doc.xml · nonDerivative · entry 2

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 13,581

F1 · price: Not Applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit award.

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June 13, 2025 Filed Jun 16, 2025 21:16 UTC GrantCommon Stock 562 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000093 · primary_doc.xml · nonDerivative · entry 1

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,509

F1 · price: Not Applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit award.

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June 13, 2025 Filed Jun 16, 2025 20:59 UTC Exercise / conversionRestricted Stock Units · Derivative 5,620 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000092 · primary_doc.xml · derivative · entry 3

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,215 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.exercise_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.expiration_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

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June 13, 2025 Filed Jun 16, 2025 20:59 UTC GrantCommon Stock 1,405 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000092 · primary_doc.xml · nonDerivative · entry 2

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 1,405

F1 · price: Not Applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit award.

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June 13, 2025 Filed Jun 16, 2025 20:59 UTC GrantCommon Stock 2,810 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000092 · primary_doc.xml · nonDerivative · entry 1

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,433

F1 · price: Not Applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit award.

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June 13, 2025 Filed Jun 16, 2025 20:37 UTC
Jenvey NigelDirector
Exercise / conversionRestricted Stock Units · Derivative 2,810 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000091 · primary_doc.xml · derivative · entry 2

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,810 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.exercise_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

F2 · derivative.expiration_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting (or upon election by the reporting person, up to 50% of the RSUs in cash.)

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June 13, 2025 Filed Jun 16, 2025 20:37 UTC
Jenvey NigelDirector
GrantCommon Stock 2,810 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-25-000091 · primary_doc.xml · nonDerivative · entry 1

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,783

F1 · price: Not Applicable. The reported shares were acquired in connection with the vesting of a restricted stock unit award.

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June 05, 2025 Filed Jun 9, 2025 18:27 UTC GrantRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000083 · primary_doc.xml · derivative · entry 3

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,456

Underlying: Common Stock · 4,456 shares

Expires not disclosed

F1 · derivative.exercise_price: Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

F2 · derivative.expiration_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

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June 05, 2025 Filed Jun 9, 2025 18:17 UTC
Jenvey NigelDirector
GrantRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000082 · primary_doc.xml · derivative · entry 2

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,456

Underlying: Common Stock · 4,456 shares

Expires not disclosed

F1 · derivative.exercise_price: Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

F2 · derivative.expiration_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

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June 05, 2025 Filed Jun 9, 2025 18:10 UTC GrantRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001084991-25-000081 · primary_doc.xml · derivative · entry 2

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,456

Underlying: Common Stock · 4,456 shares

Expires not disclosed

F1 · derivative.exercise_price: Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting.

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

F2 · derivative.expiration_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.