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NATURAL GAS SERVICES GROUP INC

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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
May 09, 2024 Filed May 13, 2024 23:12 UTC Amendment GrantCommon Stock 4,735 $0.00 $0.00
Disclosure

SEC source: 0001084991-24-000039 · primary_doc.xml · nonDerivative · entry 1

BRADSHAW DAVID L · CIK 0001231266 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,991

F1 · shares: This Form 4/A amends Table 1 of the Form 4 filed as of the same date hereof. The initial filing inadvertently reported 9,470 shares acquired in connection with the vesting of restricted stock units. As provided under the RSU award agreement, the reporting person elected to take part cash in connection with the vesting of the RSUs. Thus, the actual number of shares of common stock acquired was 4,735 shares.

Read SEC document
May 09, 2024 Filed May 13, 2024 18:22 UTC
Jenvey NigelDirector
Exercise / conversionRestricted Stock Units · Derivative 9,470 $0.00 $0.00
Disclosure

SEC source: 0001084991-24-000036 · 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 · 9,470 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.

F2 · derivative.exercise_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting.

F2 · derivative.expiration_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting.

Read SEC document
May 09, 2024 Filed May 13, 2024 18:22 UTC
Jenvey NigelDirector
GrantCommon Stock 9,470 Not disclosed Not disclosed
Disclosure

SEC source: 0001084991-24-000036 · primary_doc.xml · nonDerivative · entry 1

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,973

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

Read SEC document
May 09, 2024 Filed May 13, 2024 18:12 UTC Exercise / conversionRestricted Stock Units · Derivative 9,470 $0.00 $0.00
Disclosure

SEC source: 0001084991-24-000035 · primary_doc.xml · derivative · entry 2

BRADSHAW DAVID L · CIK 0001231266 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,470 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.

F2 · derivative.exercise_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting.

F2 · derivative.expiration_date: Not Applicable. Each RSU represented the right to receive one share of the Issuer's common stock upon vesting.

Read SEC document
May 01, 2024 Filed May 3, 2024 19:54 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 1,568 $22.44 $35,185.92
Disclosure

SEC source: 0001084991-24-000033 · primary_doc.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,844

Read SEC document
May 01, 2024 Filed May 8, 2024 18:12 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 2,816 $22.42 $63,134.72
Disclosure

SEC source: 0001084991-24-000034 · primary_doc.xml · nonDerivative · entry 2

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,672

Read SEC document
March 18, 2024 Filed May 8, 2024 18:12 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 2,356 $16.93 $39,887.08
Disclosure

SEC source: 0001084991-24-000034 · primary_doc.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,488

Read SEC document
March 14, 2024 Filed Mar 19, 2024 00:27 UTC
Hazlett James RChief Technical Officer
GrantRestricted Stock Units · Derivative 21,984 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001084991-24-000009 · primary_doc.xml · derivative · entry 3

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,984

Underlying: Common Stock · 21,984 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning 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 ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

Read SEC document
March 04, 2024 Filed Mar 7, 2024 15:07 UTC
Tucker Brian LChief Operating Officer
GrantRestricted Stock Units · Derivative 11,293 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001629779-24-000001 · primary_doc.xml · derivative · entry 1

Tucker Brian L · CIK 0001629779 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,293

Underlying: Common Stock · 11,293 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning 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 ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

Read SEC document
January 29, 2024 Filed Feb 1, 2024 02:27 UTC GrantRestricted Stock Units · Derivative 31,382 $0.00 $0.00
Disclosure

SEC source: 0001084991-24-000005 · primary_doc.xml · derivative · entry 2

Jacobs Justin · CIK 0001464667 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,382

Underlying: Common Stock · 31,382 shares

Expires not disclosed

F2 · derivative.exercise_price: Not Applicable. Each RSU represents the right to receive one share of Common Stock upon vesting without payment.

F3 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant the the Company's 2019 Equity Incentive Plan. The award vests in one-third annual increments beginning on January 29, 2025, subject to accelerated vesting under certain circumstances.

F3 · derivative.expiration_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant the the Company's 2019 Equity Incentive Plan. The award vests in one-third annual increments beginning on January 29, 2025, subject to accelerated vesting under certain circumstances.

Read SEC document
October 26, 2023 Filed Oct 30, 2023 22:33 UTC GrantRestricted Stock Units · Derivative 4,623 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000112 · primary_doc.xml · derivative · entry 2

Hodges Georganne · CIK 0001613695 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,623

Underlying: Common Stock · 4,623 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units ("RSU") 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 ("RSU") 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
October 09, 2023 Filed Oct 11, 2023 20:03 UTC
Tucker Brian LPresident & COO
GrantRestricted Stock Units · Derivative 6,361 $0.00 $0.00
Disclosure

SEC source: 0001629779-23-000002 · primary_doc.xml · derivative · entry 2

Tucker Brian L · CIK 0001629779 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,361

Underlying: Commmon Stock · 6,361 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Not Applicable. The acquisition reflects an award of Restricted Stock Units ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning 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 ("RSU") pursuant to the Company's 2019 Equity Incentive Plan. The award vests in equal one-third installments beginning on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances.

Read SEC document
July 21, 2023 Filed Jul 25, 2023 23:11 UTC OtherPut Option (obligation to buy) · Derivative 91 $0.00 Strike: $15.00 $0.00
Disclosure

SEC source: 0001209191-23-043349 · doc4.xml · derivative · entry 3

Jacobs Justin · CIK 0001464667 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 9,100 shares

Expires 2023-07-21

F1 · ownership.nature: The shares reported are directly held by Mill Road Capital III, L.P. (the "Fund"). The Reporting Person is a management committee director of Mill Road Capital III GP LLC (the "GP"), which is the sole general partner of the Fund and has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the Fund. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any.

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July 21, 2023 Filed Jul 25, 2023 23:11 UTC OtherCommon Stock 9,100 $15.00 $136,500.00
Disclosure

SEC source: 0001209191-23-043349 · doc4.xml · nonDerivative · entry 1

Jacobs Justin · CIK 0001464667 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 921,508

F1 · ownership.nature: The shares reported are directly held by Mill Road Capital III, L.P. (the "Fund"). The Reporting Person is a management committee director of Mill Road Capital III GP LLC (the "GP"), which is the sole general partner of the Fund and has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the Fund. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 30, 2023 Filed Jul 5, 2023 22:20 UTC
Taylor Stephen CharlesDirector · Interim CEO & President
Tax withholdingCommon Stock 42,240 $9.90 $418,176.00
Disclosure

SEC source: 0001084991-23-000086 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 550,132

Read SEC document
June 30, 2023 Filed Jul 5, 2023 22:20 UTC
Taylor Stephen CharlesDirector · Interim CEO & President
GrantCommon Stock 10,101 $9.90 $99,999.90
Disclosure

SEC source: 0001084991-23-000086 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 592,372

Read SEC document
June 30, 2023 Filed Jul 5, 2023 23:07 UTC
Taylor Stephen CharlesDirector · Interim CEO & President
GrantRestricted Stock Units · Derivative 10,101 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000087 · primary_doc.xml · derivative · entry 3

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,101

Underlying: Common Stock · 10,101 shares

Expires not disclosed

F1 · derivative.exercise_price: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting one year from the date of grant.

F1 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting one year from the date of grant.

F1 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting one year from the date of grant.

Read SEC document
May 09, 2023 Filed May 11, 2023 22:51 UTC OtherCommon Stock 9,470 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-028851 · doc4.xml · nonDerivative · entry 2

Jacobs Justin · CIK 0001464667 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,470

F2 · kind: Represents the Reporting Person's acquisition of an indirect pecuniary interest in restricted stock units ("RSUs") granted by the issuer to the Reporting Person in accordance with Rule 16b-3(d) (as described in transaction code "A") as compensation for serving as a member of the issuer's board of directors. Pursuant to a pre-existing contractual obligation, Mill Road Capital Management, LLC, an affiliate of the Reporting Person that does not have Section 13(d) beneficial ownership of any securities of the issuer, has the right to receive the economic benefit of the reported shares and, accordingly, the Reporting Person has no direct pecuniary interest in such shares. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any.

Read SEC document
May 09, 2023 Filed May 11, 2023 20:23 UTC GrantRestricted Stock Unit · Derivative 9,470 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000052 · primary_doc.xml · derivative · entry 1

TRINGALI DONALD J · CIK 0001199696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,470

Underlying: Common Stock · 9,470 shares

Expires not disclosed

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

F1 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

F1 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

Read SEC document
May 09, 2023 Filed May 11, 2023 20:18 UTC
Jenvey NigelDirector
GrantRestricted Stock Unit · Derivative 9,470 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000051 · primary_doc.xml · derivative · entry 2

Jenvey Nigel · CIK 0001854056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,470

Underlying: Common Stock · 9,470 shares

Expires not disclosed

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

F1 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

F1 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

Read SEC document
May 09, 2023 Filed May 11, 2023 20:06 UTC GrantRestricted Stock Unit · Derivative 9,470 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000050 · primary_doc.xml · derivative · entry 2

BRADSHAW DAVID L · CIK 0001231266 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,470

Underlying: Common Stock · 9,470 shares

Expires not disclosed

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

F1 · derivative.exercise_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

F1 · derivative.expiration_date: Not applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.

Read SEC document
April 28, 2023 Filed May 2, 2023 17:17 UTC
Taylor Stephen CharlesDirector · Interim CEO & President
Tax withholdingCommon Stock 11,158 $10.30 $114,927.40
Disclosure

SEC source: 0001084991-23-000045 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 605,405

Read SEC document
April 28, 2023 Filed May 2, 2023 17:11 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 1,012 $10.30 $10,423.60
Disclosure

SEC source: 0001084991-23-000044 · primary_doc.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,412

Read SEC document
April 28, 2023 Filed May 3, 2023 20:26 UTC Amendment
Taylor Stephen CharlesDirector · Interim CEO & President
Exercise / conversionRestricted Stock Units · Derivative 3,138 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000049 · primary_doc.xml · derivative · entry 3

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,138 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 Company common stock upon vesting without payment.

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

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

Read SEC document
April 28, 2023 Filed May 3, 2023 20:26 UTC Amendment
Taylor Stephen CharlesDirector · Interim CEO & President
GrantCommon Stock 3,138 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000049 · primary_doc.xml · nonDerivative · entry 2

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Indirect · Rabbi Trust

Disclosed balance after: 133,701

F1 · price: The shares were issued in connection with the vesting of Restricted Stock Units on a one-for-one basis and are held in a Rabbi Trust under the Company's Non-Qualified Deferred Compensation Plan.

Read SEC document
April 28, 2023 Filed May 3, 2023 20:26 UTC Amendment
Taylor Stephen CharlesDirector · Interim CEO & President
Tax withholdingCommon Stock 11,158 $10.30 $114,927.40
Disclosure

SEC source: 0001084991-23-000049 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 605,405

Read SEC document
April 25, 2023 Filed Apr 27, 2023 20:34 UTC
Taylor Stephen CharlesDirector · Interim CEO & President
GrantCommon Stock 58,790 $10.41 $612,003.90
Disclosure

SEC source: 0001084991-23-000035 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 616,563

F1 · shares: The acquisition reflects an award of Stock pursuant to the Company's 2019 Equity Incentive Plan, as amended, in connection with the Retirement Agreement effective May 17, 2022 between the Company and the reporting person.

Read SEC document
April 25, 2023 Filed Apr 27, 2023 20:14 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 1,308 $10.41 $13,616.28
Disclosure

SEC source: 0001084991-23-000034 · primary_doc.xml · nonDerivative · entry 2

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,424

Read SEC document
April 25, 2023 Filed Apr 27, 2023 20:14 UTC
Hazlett James RChief Technical Officer
GrantCommon Stock 27,840 $10.41 $289,814.40
Disclosure

SEC source: 0001084991-23-000034 · primary_doc.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,732

F1 · shares: The acquisition reflects an award of Restricted Stock pursuant to the Company's 2019 Equity Incentive Plan, as amended. The award vests in one-third annual increments beginning on April 25, 2024, subject to accelerated vesting under certain circumstances.

Read SEC document
April 25, 2023 Filed May 15, 2023 21:48 UTC Amendment
Taylor Stephen CharlesDirector · Interim CEO & President
Tax withholdingCommon Stock 23,134 $10.41 $240,824.94
Disclosure

SEC source: 0001084991-23-000061 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 582,271

F1 · shares: This amended Form 4 is being filed to report shares withheld for payment of the tax liability incurred in connection with the issuance of the shares reported in the initial Form 4 filed on April 27, 2023.

Read SEC document
March 20, 2023 Filed Mar 22, 2023 20:50 UTC
Taylor Stephen CharlesDirector · Interim CEO
Tax withholdingCommon Stock 14,325 $9.49 $135,944.25
Disclosure

SEC source: 0001084991-23-000023 · primary_doc.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Interim CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 557,773

Read SEC document
March 20, 2023 Filed Mar 22, 2023 21:26 UTC
Hazlett James RChief Technical Officer
Tax withholdingCommon Stock 2,657 $9.49 $25,214.93
Disclosure

SEC source: 0001084991-23-000024 · primary_doc.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,892

Read SEC document
February 21, 2023 Filed Feb 23, 2023 21:27 UTC
Foster Micah C.VP and Chief Financial Officer
Tax withholdingCommon Stock 2,156 $10.61 $22,875.16
Disclosure

SEC source: 0001084991-23-000016 · wf-form4_167718762644864.xml · nonDerivative · entry 1

Foster Micah C. · CIK 0001544888 · VP and Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,880

Read SEC document
December 29, 2022 Filed Jan 3, 2023 21:18 UTC
CHISHOLM JOHNFormer Director
GrantStock Option (right to buy) · Derivative 25,000 $0.00 Strike: $17.00 $0.00
Disclosure

SEC source: 0001084991-23-000002 · wf-form4_167278067957420.xml · derivative · entry 2

CHISHOLM JOHN · CIK 0001173236 · Former Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2032-12-29

F1 · shares: Issued in conjunction with a Severance and Release Agreement between Natural Gas Services Group, Inc. and John W. Chisholm dated December 21, 2022.

Read SEC document
December 29, 2022 Filed Jan 3, 2023 21:18 UTC
CHISHOLM JOHNFormer Director
GrantCommon Stock 16,935 $0.00 $0.00
Disclosure

SEC source: 0001084991-23-000002 · wf-form4_167278067957420.xml · nonDerivative · entry 1

CHISHOLM JOHN · CIK 0001173236 · Former Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,147

F1 · shares: Issued in conjunction with a Severance and Release Agreement between Natural Gas Services Group, Inc. and John W. Chisholm dated December 21, 2022.

Read SEC document
December 01, 2022 Filed Dec 8, 2022 22:23 UTC SaleCommon Stock 3,000 $11.05 $33,150.00
Disclosure

SEC source: 0001084991-22-000123 · wf-form4_167053821028206.xml · nonDerivative · entry 1

Beyer Leslie Ann · CIK 0001815528 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,148

Read SEC document
August 15, 2022 Filed Aug 16, 2022 21:30 UTC
Foster Micah C.VP and Chief Financial Officer
GrantCommon Stock 16,537 $0.00 $0.00
Disclosure

SEC source: 0001084991-22-000108 · wf-form4_166068542979470.xml · nonDerivative · entry 1

Foster Micah C. · CIK 0001544888 · VP and Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,036

F1 · shares: The acquisition reflects an award of Restricted Stock pursuant to the Company's 2019 Equity Incentive Plan, as amended. The award vests in one-third annual increments beginning on April 25, 2023, subject to accelerated vesting under certain circumstances.

Read SEC document
August 15, 2022 Filed Aug 16, 2022 21:29 UTC
Hazlett James RVP - Technical Services
GrantCommon Stock 15,503 $0.00 $0.00
Disclosure

SEC source: 0001084991-22-000106 · wf-form4_166068532674268.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · VP - Technical Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,549

F1 · shares: The acquisition reflects an award of Restricted Stock pursuant to the Company's 2019 Equity Incentive Plan, as amended. The award vests in one-third annual increments beginning on April 25, 2023, subject to accelerated vesting under certain circumstances.

Read SEC document
August 15, 2022 Filed Aug 16, 2022 21:27 UTC
Taylor Stephen CharlesDirector · Chairman
GrantCommon Stock 60,839 $0.00 $0.00
Disclosure

SEC source: 0001084991-22-000104 · wf-form4_166068522104650.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 572,098

F1 · shares: The acquisition reflects an award of Restricted Stock, pursuant to the Company's 2019 Equity Incentive Plan, as amended. The award vests fully on June 30, 2023, subject to accelerated vesting under certain circumstances.

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June 17, 2022 Filed Jun 21, 2022 20:47 UTC
Foster Micah C.Chief Financial Officer
Tax withholdingCommon Stock 501 $12.83 $6,427.83
Disclosure

SEC source: 0001084991-22-000082 · wf-form4_165584441271294.xml · nonDerivative · entry 1

Foster Micah C. · CIK 0001544888 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,499

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June 09, 2022 Filed Jun 13, 2022 20:59 UTC
CHISHOLM JOHNDirector · President and CEO (Interim)
GrantStock Option (right to buy) · Derivative 50,000 $0.00 Strike: $17.00 $0.00
Disclosure

SEC source: 0001084991-22-000071 · wf-form4_165515393981549.xml · derivative · entry 5

CHISHOLM JOHN · CIK 0001173236 · Director · President and CEO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2025-06-09

F1 · security: Represents stock grants pursuant to the Company's 1998 Stock Option Plan, as amended.

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June 09, 2022 Filed Jun 13, 2022 20:59 UTC
CHISHOLM JOHNDirector · President and CEO (Interim)
GrantStock Option (right to buy) · Derivative 50,000 $0.00 Strike: $16.50 $0.00
Disclosure

SEC source: 0001084991-22-000071 · wf-form4_165515393981549.xml · derivative · entry 4

CHISHOLM JOHN · CIK 0001173236 · Director · President and CEO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2024-12-09

F1 · security: Represents stock grants pursuant to the Company's 1998 Stock Option Plan, as amended.

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June 09, 2022 Filed Jun 13, 2022 20:59 UTC
CHISHOLM JOHNDirector · President and CEO (Interim)
GrantStock Option (right to buy) · Derivative 50,000 $0.00 Strike: $16.00 $0.00
Disclosure

SEC source: 0001084991-22-000071 · wf-form4_165515393981549.xml · derivative · entry 3

CHISHOLM JOHN · CIK 0001173236 · Director · President and CEO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2024-06-09

F1 · security: Represents stock grants pursuant to the Company's 1998 Stock Option Plan, as amended.

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June 09, 2022 Filed Jun 13, 2022 20:59 UTC
CHISHOLM JOHNDirector · President and CEO (Interim)
GrantStock Option (right to buy) · Derivative 25,000 $0.00 Strike: $15.00 $0.00
Disclosure

SEC source: 0001084991-22-000071 · wf-form4_165515393981549.xml · derivative · entry 2

CHISHOLM JOHN · CIK 0001173236 · Director · President and CEO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2023-12-09

F1 · security: Represents stock grants pursuant to the Company's 1998 Stock Option Plan, as amended.

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June 07, 2022 Filed Jun 8, 2022 21:16 UTC
Hazlett James RVP - Technical Services
SaleCommon Stock 972 $15.00 $14,580.00
Disclosure

SEC source: 0001084991-22-000065 · wf-form4_165472298822067.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · VP - Technical Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,046

F1 · price: Shares were sold pursuant to a Rule 10b5-1 plan.

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June 07, 2022 Filed Jun 8, 2022 21:17 UTC
Taylor Stephen CharlesDirector · Chief Executive Officer
SaleCommon Stock 3,918 $15.00 $58,770.00
Disclosure

SEC source: 0001084991-22-000066 · wf-form4_165472305146365.xml · nonDerivative · entry 1

Taylor Stephen Charles · CIK 0001316004 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 511,259

F1 · price: Shares were sold pursuant to a Rule 10b5-1 plan.

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May 31, 2022 Filed Jun 1, 2022 20:41 UTC
Hazlett James RVP - Technical Services
SaleCommon Stock 2,405 $14.01 $33,694.05
Disclosure

SEC source: 0001084991-22-000058 · wf-form4_165411608101543.xml · nonDerivative · entry 2

Hazlett James R · CIK 0001340731 · VP - Technical Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,018

F1 · price: Shares were sold pursuant to a Rule 10b5-1 plan.

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May 27, 2022 Filed Jun 1, 2022 20:41 UTC
Hazlett James RVP - Technical Services
SaleCommon Stock 595 $14.05 $8,359.75
Disclosure

SEC source: 0001084991-22-000058 · wf-form4_165411608101543.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · VP - Technical Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,423

F1 · price: Shares were sold pursuant to a Rule 10b5-1 plan.

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April 28, 2022 Filed May 2, 2022 20:14 UTC
Hazlett James RVP - Technical Services
Tax withholdingCommon Stock 1,012 $12.32 $12,467.84
Disclosure

SEC source: 0001084991-22-000041 · wf-form4_165152247361410.xml · nonDerivative · entry 1

Hazlett James R · CIK 0001340731 · VP - Technical Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,018

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April 28, 2022 Filed May 2, 2022 20:12 UTC
Taylor Stephen CharlesDirector · Chief Executive Officer
Exercise / conversionRestricted Stock Units · Derivative 3,137 $0.00 $0.00
Disclosure

SEC source: 0001084991-22-000040 · wf-form4_165152233515753.xml · derivative · entry 3

Taylor Stephen Charles · CIK 0001316004 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,138

Underlying: Common Stock · 3,137 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 Company common stock upon vesting without payment.

F2 · date: Not Applicable. Each RSU represents the right to receive one share of Company common stock upon vesting without payment.

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

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

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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.