[144] NATURAL GAS SERVICES GROUP INC SEC Filing

Rhea-AI Filing Summary

NATURAL GAS SERVICES GROUP INC (NGS) Form 144 notice reports a proposed sale of 10,000 common shares through RBC Capital Markets on the NYSE with an aggregate market value of $280,147.00, and lists the number of outstanding shares as 12,542,314. The filing shows the securities to be sold were acquired as RSU vests on 03/20/2015 (5,000 shares) and 01/27/2015 (5,000 shares). The filing also discloses multiple sales by Stephen Taylor through RBC Capital Markets during the past three months totaling 38,543 shares for gross proceeds of $1,030,054.00 across dates from 08/22/2025 through 09/19/2025. The filer certifies no undisclosed material adverse information.

Positive

• Disclosure completeness: Filing provides required Rule 144 acquisition dates, broker details, and past three-month sales with gross proceeds.
• Long-held shares: The securities to be sold were acquired as RSU vests in 2015, indicating they are not recently issued awards.

Negative

• Insider selling activity: Stephen Taylor sold 38,543 shares in the past three months for $1,030,054.00, and proposes an additional 10,000-share sale, which may concern some investors assessing insider sentiment.

Insights

Securities Analyst

TL;DR: Insider Stephen Taylor filed to sell 10,000 shares (about $280k) after prior recent sales totaling ~$1.03M; material for disclosure, not necessarily company-changing.

The filing documents an insider sale via Rule 144: a proposed 10,000-share sale executed through RBC Capital Markets on NYSE with an indicated market value of $280,147 and an issuer outstanding share base of 12,542,314, which places the proposed sale at roughly 0.08% of outstanding shares. The securities originated from RSU vestings in 2015, implying these were long-held shares rather than recent grants. The schedule of prior sales by the same person shows 38,543 shares sold in the last three months for gross proceeds of $1,030,054, which is significant from an insider-activity perspective and should be noted by investors assessing insider selling patterns. The filer’s certification about lack of undisclosed material information is standard.

Corporate Governance Expert

TL;DR: Multiple recent insider sales are documented; governance disclosure requirements appear met, with Rule 144 acquisition details provided.

The notice contains the required Rule 144 acquisition and payment details, listing RSU vest dates and amounts (5,000 shares on 03/20/2015 and 5,000 on 01/27/2015), and includes broker details for the proposed transaction. From a governance standpoint the filing is complete for the transactions disclosed: it names the broker, sale dates for recent dispositions, gross proceeds, and confirms the signer’s representation regarding material information. There is no indication in this filing of any noncompliance or undisclosed arrangements; it is a routine insider sale disclosure rather than a corporate-action or governance event.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	10000	280147.00	12542314	09/23/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	03/20/2015	RSU VEST	ISSUER			5000	03/20/2015	N/A
COMMON	01/27/2015	RSU VEST	ISSUER			5000	01/27/2015	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	08/22/2025	20000	525060.00
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	09/04/2025	10000	270018.00
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	09/16/2025	289	7947.00
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	09/17/2025	6553	180252.00
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	09/18/2025	1638	45045.00
STEPHEN TAYLOR C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	NATURAL GAS SERVICES GROUP INC	09/19/2025	63	1732.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filed for NATURAL GAS SERVICES GROUP INC (NGS) disclose?

The Form 144 discloses a proposed sale of 10,000 common shares via RBC Capital Markets on the NYSE valued at $280,147.00, acquisition details showing RSU vests in 2015, and prior sales totaling 38,543 shares for $1,030,054.00 during Aug–Sep 2025.

Who is the seller named in the filing for NGS?

The seller identified in past sales is Stephen Taylor, using RBC Capital Markets as broker.

How many shares outstanding does the filing report for NGS?

The filing reports 12,542,314 shares outstanding.

When were the shares to be sold originally acquired?

The 10,000 shares proposed for sale were acquired via RSU vestings on 03/20/2015 (5,000 shares) and 01/27/2015 (5,000 shares).

How much did Stephen Taylor raise from recent sales disclosed in the filing?

The filing shows gross proceeds of $1,030,054.00 from sales of 38,543 shares between 08/22/2025 and 09/19/2025.