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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
September 02, 2026 Filed Sep 3, 2026 19:15 UTC GrantCommon Stock 59 $35.22 $2,077.98
Disclosure

SEC source: 0001199696-26-000007 · primary_doc.xml · nonDerivative · entry 1

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 13,812

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

Read SEC document
June 10, 2026 Filed Jun 11, 2026 14:19 UTC
Jenvey NigelDirector
GrantRestricted Stock Units · Derivative 3,521 $0.00 $0.00
Disclosure

SEC source: 0001854056-26-000002 · primary_doc.xml · derivative · entry 2

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,521

Underlying: Common Stock · 3,521 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.

Read SEC document
June 10, 2026 Filed Jun 11, 2026 14:27 UTC GrantRestricted Stock Units · Derivative 4,574 $0.00 $0.00
Disclosure

SEC source: 0001199696-26-000004 · primary_doc.xml · derivative · entry 3

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,574

Underlying: Common Stock · 4,574 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.

Read SEC document
June 10, 2026 Filed Jun 11, 2026 14:04 UTC GrantRestricted Stock Units · Derivative 3,009 $0.00 $0.00
Disclosure

SEC source: 0001207300-26-000002 · primary_doc.xml · derivative · entry 2

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,009

Underlying: Common Stock · 3,009 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.

Read SEC document
June 10, 2026 Filed Jun 11, 2026 13:57 UTC GrantRestricted Stock Units · Derivative 3,009 $0.00 $0.00
Disclosure

SEC source: 0001613695-26-000008 · primary_doc.xml · derivative · entry 2

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,009

Underlying: Common Stock · 3,009 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.

Read SEC document
June 10, 2026 Filed Jun 11, 2026 13:46 UTC GrantRestricted Stock Units · Derivative 3,009 $0.00 $0.00
Disclosure

SEC source: 0001562099-26-000003 · primary_doc.xml · derivative · entry 2

Gallegos John A. Jr. · CIK 0001562099 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,009

Underlying: Common Stock · 3,009 shares

Expires not disclosed

F1 · derivative.exercise_price: Not applicable. Each RSU represented 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.

Read SEC document
June 10, 2026 Filed Jun 11, 2026 13:36 UTC GrantRestricted Stock Units · Derivative 3,009 $0.00 $0.00
Disclosure

SEC source: 0001236849-26-000010 · primary_doc.xml · derivative · entry 1

JACKSON JOHN EARL · CIK 0001236849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,009

Underlying: Common Stock · 3,009 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.

Read SEC document
June 08, 2026 Filed Jun 9, 2026 14:48 UTC GrantCommon Stock 334 $42.42 $14,168.28
Disclosure

SEC source: 0001316004-26-000004 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 95,137

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

Read SEC document
June 08, 2026 Filed Jun 9, 2026 14:41 UTC GrantCommon Stock 49 $42.42 $2,078.58
Disclosure

SEC source: 0001199696-26-000003 · primary_doc.xml · nonDerivative · entry 1

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 17,763

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:26 UTC Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001316004-26-000003 · primary_doc.xml · derivative · entry 4

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,456 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 represented the right to receive one share of the Issuer's common stack upon vesting (or upon election by the reporting person, up to 50% of the RSUIs in cash).

F3 · derivative.exercise_date: Not applicable. Each RSU represented the right to receive one share of the Issuer's common stack upon vesting (or upon election by the reporting person, up to 50% of the RSUIs in cash).

F3 · derivative.expiration_date: Not applicable. Each RSU represented the right to receive one share of the Issuer's common stack upon vesting (or upon election by the reporting person, up to 50% of the RSUIs in cash).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:26 UTC OtherCommon Stock 2,228 $39.87 $88,830.36
Disclosure

SEC source: 0001316004-26-000003 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,818

F2 · kind: Represents an election by the reporting person to receive 50% of the value of the RSUs in cash.

F2 · price: Represents an election by the reporting person to receive 50% of the value of the RSUs in cash.

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:26 UTC GrantCommon Stock 4,456 Not disclosed Not disclosed
Disclosure

SEC source: 0001316004-26-000003 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,046

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:39 UTC Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001613695-26-000005 · 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 · 4,456 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 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).

F3 · 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).

F3 · 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).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:39 UTC OtherCommon Stock 2,228 $39.87 $88,830.36
Disclosure

SEC source: 0001613695-26-000005 · primary_doc.xml · nonDerivative · entry 2

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,066

F2 · kind: Represents an election by the reporting person to receive 50% of the value of the RSUs in cash.

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:39 UTC GrantCommon Stock 4,456 Not disclosed Not disclosed
Disclosure

SEC source: 0001613695-26-000005 · primary_doc.xml · nonDerivative · entry 1

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,294

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:00 UTC Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001199696-26-000002 · 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 · 4,456 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).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:00 UTC GrantCommon Stock 4,010 Not disclosed Not disclosed
Disclosure

SEC source: 0001199696-26-000002 · 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: 17,714

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 19:00 UTC GrantCommon Stock 446 Not disclosed Not disclosed
Disclosure

SEC source: 0001199696-26-000002 · primary_doc.xml · nonDerivative · entry 1

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,955

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 18:44 UTC Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001207300-26-000001 · 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 · 4,456 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).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 18:44 UTC GrantCommon Stock 4,456 Not disclosed Not disclosed
Disclosure

SEC source: 0001207300-26-000001 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,846

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 18:19 UTC
Jenvey NigelDirector
Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001854056-26-000001 · 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 · 4,456 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).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 18:19 UTC
Jenvey NigelDirector
GrantCommon Stock 4,456 Not disclosed Not disclosed
Disclosure

SEC source: 0001854056-26-000001 · primary_doc.xml · nonDerivative · entry 1

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,239

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

Read SEC document
June 05, 2026 Filed Jun 8, 2026 17:20 UTC Exercise / conversionRestricted Stock Units · Derivative 4,456 $0.00 $0.00
Disclosure

SEC source: 0001562099-26-000002 · primary_doc.xml · derivative · entry 2

Gallegos John A. Jr. · CIK 0001562099 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,456 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).

Read SEC document
June 05, 2026 Filed Jun 8, 2026 17:20 UTC GrantCommon Stock 4,456 Not disclosed Not disclosed
Disclosure

SEC source: 0001562099-26-000002 · primary_doc.xml · nonDerivative · entry 1

Gallegos John A. Jr. · CIK 0001562099 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,345

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

Read SEC document
April 01, 2026 Filed Jun 8, 2026 17:00 UTC Exercise / conversionRestricted Stock Unit · Derivative 889 $0.00 $0.00
Disclosure

SEC source: 0001562099-26-000001 · primary_doc.xml · derivative · entry 2

Gallegos John A. Jr. · CIK 0001562099 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 889 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).

Read SEC document
April 01, 2026 Filed Jun 8, 2026 17:00 UTC GrantCommon Stock 889 Not disclosed Not disclosed
Disclosure

SEC source: 0001562099-26-000001 · primary_doc.xml · nonDerivative · entry 1

Gallegos John A. Jr. · CIK 0001562099 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 889

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

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:26 UTC
Jacobs JustinChief Executive Officer
Exercise / conversionRestricted Stock Unit · Derivative 1,556 $0.00 $0.00
Disclosure

SEC source: 0001464667-26-000003 · primary_doc.xml · derivative · entry 4

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,111

Underlying: Common Stock · 1,556 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
March 13, 2026 Filed Mar 16, 2026 20:26 UTC
Jacobs JustinChief Executive Officer
Exercise / conversionRestricted Stock Unit · Derivative 10,140 $0.00 $0.00
Disclosure

SEC source: 0001464667-26-000003 · primary_doc.xml · derivative · entry 3

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,280

Underlying: Common Stock · 10,140 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
March 13, 2026 Filed Mar 16, 2026 20:26 UTC
Jacobs JustinChief Executive Officer
Tax withholdingCommon Stock 4,433 $35.59 $157,770.47
Disclosure

SEC source: 0001464667-26-000003 · primary_doc.xml · nonDerivative · entry 2

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,756

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:26 UTC
Jacobs JustinChief Executive Officer
GrantCommon Stock 11,696 Not disclosed Not disclosed
Disclosure

SEC source: 0001464667-26-000003 · primary_doc.xml · nonDerivative · entry 1

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,189

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

Read SEC document
March 12, 2026 Filed Mar 16, 2026 17:37 UTC
Eckert Ian MChief Financial Officer
GrantRestricted Stock Units · Derivative 10,506 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002004802-26-000001 · primary_doc.xml · derivative · entry 2

Eckert Ian M · CIK 0002004802 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,506

Underlying: Common Stock · 10,506 shares

Expires not disclosed

F1 · derivative.exercise_price: Not Applicable. Each RSU represents the right to receive one share of Common Stock upon vesting without payment.

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 in one-third annual increments beginning on March 12, 2027, assuming continuous service by the Reporting Person during each vesting increment, 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 in one-third annual increments beginning on March 12, 2027, assuming continuous service by the Reporting Person during each vesting increment, subject to accelerated vesting under certain circumstances.

Read SEC document
March 12, 2026 Filed Mar 16, 2026 17:25 UTC
Jacobs JustinChief Executive Officer
GrantRestricted Stock Units · Derivative 27,647 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001464667-26-000002 · primary_doc.xml · derivative · entry 2

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,647

Underlying: Common Stock · 27,647 shares

Expires not disclosed

F1 · derivative.exercise_price: Not Applicable. Each RSU represents the right to receive one share of Common Stock upon vesting without payment.

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 in one-third annual increments beginning on March 12, 2027, assuming continuous service by the Reporting Person during each vesting increment, 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 in one-third annual increments beginning on March 12, 2027, assuming continuous service by the Reporting Person during each vesting increment, subject to accelerated vesting under certain circumstances.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 20:18 UTC SaleCommon Stock 30,000 $37.23 $1,116,759.00
Disclosure

SEC source: 0001316004-26-000002 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 175,432

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $37.1538 to $37.3455 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
March 05, 2026 Filed Mar 9, 2026 20:18 UTC SaleCommon Stock 70,000 $37.58 $2,630,922.00
Disclosure

SEC source: 0001316004-26-000002 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 205,432

F1 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $37.30 to $38.5596 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.

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March 04, 2026 Filed Mar 6, 2026 16:45 UTC GrantCommon Stock 336 $37.52 $12,606.72
Disclosure

SEC source: 0001316004-26-000001 · 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: 114,961

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

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March 04, 2026 Filed Mar 6, 2026 16:32 UTC GrantCommon Stock 40 $37.52 $1,500.80
Disclosure

SEC source: 0001199696-26-000001 · 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: 13,704

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

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February 03, 2026 Filed Feb 3, 2026 17:03 UTC
Jacobs JustinChief Executive Officer
Exercise / conversionRestricted Stock Units · Derivative 10,460 $0.00 $0.00
Disclosure

SEC source: 0001464667-26-000001 · primary_doc.xml · derivative · entry 3

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,461

Underlying: Common Stock · 10,460 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.

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February 03, 2026 Filed Feb 3, 2026 17:03 UTC
Jacobs JustinChief Executive Officer
Tax withholdingCommon Stock 4,290 $34.52 $148,090.80
Disclosure

SEC source: 0001464667-26-000001 · primary_doc.xml · nonDerivative · entry 2

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,493

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February 03, 2026 Filed Feb 3, 2026 17:03 UTC
Jacobs JustinChief Executive Officer
GrantCommon Stock 10,460 Not disclosed Not disclosed
Disclosure

SEC source: 0001464667-26-000001 · primary_doc.xml · nonDerivative · entry 1

Jacobs Justin · CIK 0001464667 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,783

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

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December 30, 2025 Filed Dec 30, 2025 22:20 UTC
Eckert Ian MChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,532 $0.00 $0.00
Disclosure

SEC source: 0002004802-25-000003 · primary_doc.xml · derivative · entry 3

Eckert Ian M · CIK 0002004802 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,063

Underlying: Common Stock · 2,532 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.

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December 30, 2025 Filed Dec 30, 2025 22:20 UTC
Eckert Ian MChief Financial Officer
Tax withholdingCommon Stock 768 $33.99 $26,104.32
Disclosure

SEC source: 0002004802-25-000003 · primary_doc.xml · nonDerivative · entry 2

Eckert Ian M · CIK 0002004802 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,764

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December 30, 2025 Filed Dec 30, 2025 22:20 UTC
Eckert Ian MChief Financial Officer
GrantCommon Stock 2,532 Not disclosed Not disclosed
Disclosure

SEC source: 0002004802-25-000003 · primary_doc.xml · nonDerivative · entry 1

Eckert Ian M · CIK 0002004802 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,532

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

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December 11, 2025 Filed Dec 12, 2025 13:39 UTC SaleCommon Stock 10,000 $33.54 $335,400.00
Disclosure

SEC source: 0001316004-25-000009 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,432

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $33.50 to $33.72 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.

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December 10, 2025 Filed Dec 12, 2025 13:39 UTC SaleCommon Stock 10,000 $33.16 $331,600.00
Disclosure

SEC source: 0001316004-25-000009 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,432

F1 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $33.015 to $33.45 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.

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December 08, 2025 Filed Dec 9, 2025 16:03 UTC PurchaseCommon Stock 935 $32.00 $29,920.00
Disclosure

SEC source: 0001207300-25-000005 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,200

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December 08, 2025 Filed Dec 10, 2025 14:03 UTC PurchaseCommon Stock 2,190 $32.04 $70,167.60
Disclosure

SEC source: 0001207300-25-000006 · primary_doc.xml · nonDerivative · entry 1

HOLLEY JEAN K · CIK 0001207300 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,390

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December 04, 2025 Filed Dec 5, 2025 15:51 UTC SaleCommon Stock 20,000 $32.12 $642,400.00
Disclosure

SEC source: 0001316004-25-000007 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,432

F1 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $31.83 to $32.28 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.

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December 03, 2025 Filed Dec 5, 2025 19:23 UTC GrantCommon Stock 412 $30.50 $12,566.00
Disclosure

SEC source: 0001316004-25-000008 · 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: 114,625

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

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December 03, 2025 Filed Dec 5, 2025 19:11 UTC GrantCommon Stock 49 $30.50 $1,494.50
Disclosure

SEC source: 0001199696-25-000004 · 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: 13,664

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

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November 20, 2025 Filed Nov 20, 2025 21:17 UTC SaleCommon Stock 10,000 $31.37 $313,700.00
Disclosure

SEC source: 0001316004-25-000006 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,432

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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.