NGSNatural Gas Services Group, Inc.Energy · Oil & Gas Equipment & Servicesas of 2026-09-16
Horizon

Issued 2026-09-16 at $36.15 · now $36.15 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, NGS has typically landed between $30.88 and $44.04 — a range of −14.6% to +21.8% from the issuance price $36.15.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • Actual close
  • Typical path (median)
  • Middle 50% of outcomes
  • 90% range

5,003 overlapping 1 month windows · 2006-09-26 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($36.15) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.

Where NGS has typically landed a month from the 2026-09-16 close of $36.15 — the range is history, not a prediction.

$30.88worst · -14.6%$44.04best · +21.8%
  • now $36.15 (+0.0%)
  • typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $36.79 (+1.8%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $34.45–$39.14
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $30.88–$44.04
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 5,003 windows spanning 2006-09-26 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2020-02-18−60.4%−60.4%+2.6%
2020-02-19−56.3%−61.4%+0.0%
2020-03-03−55.0%−55.0%+0.0%
3 best
2008-12-04+60.0%+0.0%+60.0%
2009-04-30+52.8%+0.0%+52.8%
2008-03-20+52.2%+0.0%+52.2%

5,003 overlapping windows · 2006-09-26 – 2026-09-16 · not cherry-picked

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~20 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.
Jan
30%
−5.5%
n=20
Feb
50%
+3.7%
n=20
Mar
30%
−2.4%
n=20
Apr
75%
+6.3%
n=20
May
40%
+5.4%
n=20
Jun
55%
+0.5%
n=20
Jul
40%
−3.1%
n=20
Aug
50%
+0.3%
n=20
Sep
60%
+2.1%
n=20
Oct
65%
+1.7%
n=20
Nov
60%
+4.8%
n=20
Dec
50%
+0.9%
n=20

Up-frequency and average month-over-month return · historical frequency, not a prediction

Reported insider & political trades

Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$44$242026-03-06: 1 insider sale, $1.1M — Taylor Stephen Charles2026-03-05: 1 insider sale, $2.6M — Taylor Stephen Charles2025-12-11: 1 insider sale, $335K — Taylor Stephen Charles2025-12-10: 1 insider sale, $332K — Taylor Stephen Charles2025-12-08: 2 insider purchases, $100K — HOLLEY JEAN K …2025-12-04: 1 insider sale, $642K — Taylor Stephen Charles2025-11-20: 1 insider sale, $314K — Taylor Stephen Charles2025-11-19: 1 insider sale, $303K — Taylor Stephen Charles2025-11-17: 1 insider sale, $310K — Taylor Stephen Charles2025-11-10: 2 insider sales, $558K — Taylor Stephen Charles …2025-11-07: 2 insider sales, $324K — Taylor Stephen Charles …2025-11-06: 1 insider sale, $3K — Taylor Stephen Charles2025-09-26: 1 insider sale, $226K — Taylor Stephen Charles2025-09-25: 1 insider sale, $22K — Taylor Stephen Charles2025-09-24: 1 insider sale, $38K — Taylor Stephen Charles2025-09-23: 2 insider sales, $320K — Taylor Stephen Charles …2025-09-19: 1 insider sale, $2K — Taylor Stephen Charles2025-09-18: 1 insider sale, $45K — Taylor Stephen Charles2025-09-17: 1 insider sale, $180K — Taylor Stephen Charles2025-09-16: 1 insider sale, $8K — Taylor Stephen Charles2025-09-04: 1 insider sale, $270K — Taylor Stephen Charles2025-09-04: 1 insider purchase, $100K — HOLLEY JEAN K2025-08-22: 2 insider sales, $525K — Taylor Stephen Charles …2025-08-14: 1 insider purchase, $99K — HOLLEY JEAN K2025-08: 1 open-market purchase, $99K2025-08: 2 open-market sales, $525K2025-09: 1 open-market purchase, $100K2025-09: 10 open-market sales, $1.1M2025-11: 8 open-market sales, $1.8M2025-12: 2 open-market purchases, $100K2025-12: 3 open-market sales, $1.3M2026-03: 2 open-market sales, $3.7M↑ buys↓ salesdirector Taylor Stephen Charles — Sale on 2026-03-06, filed 3 days after the tradedirector Taylor Stephen Charles — Sale on 2026-03-05, filed 4 days after the tradedirector Taylor Stephen Charles — Sale on 2025-12-11, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-12-10, filed 2 days after the tradedirector HOLLEY JEAN K — Purchase on 2025-12-08, filed 2 days after the tradedirector HOLLEY JEAN K — Purchase on 2025-12-08, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-12-04, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-11-20, filed same daydirector Taylor Stephen Charles — Sale on 2025-11-19, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-11-17, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-11-10, filed 2 days after the tradedirector Taylor Stephen Charles — Sale on 2025-11-10, filed 2 days after the tradedirector Taylor Stephen Charles — Sale on 2025-11-07, filed same daydirector Taylor Stephen Charles — Sale on 2025-11-07, filed same daydirector Taylor Stephen Charles — Sale on 2025-11-06, filed 1 day after the tradedirector Taylor Stephen Charles — Sale on 2025-09-26, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-25, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-24, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-23, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-23, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-19, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-18, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-17, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-16, filed same daydirector Taylor Stephen Charles — Sale on 2025-09-04, filed same daydirector HOLLEY JEAN K — Purchase on 2025-09-04, filed same daydirector Taylor Stephen Charles — Sale on 2025-08-22, filed same daydirector Taylor Stephen Charles — Sale on 2025-08-22, filed same daydirector HOLLEY JEAN K — Purchase on 2025-08-14, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-03-06Taylor Stephen CharlesdirectorSale30,000 @ $37.23$1.1M−14.6% of holding+3.5%−18.7%175,432Form 4 · filed 3 days after the trade
2026-03-05Taylor Stephen CharlesdirectorSale70,000 @ $37.58$2.6M−25.4% of holding+3.9%−18.6%205,432Form 4 · filed 4 days after the trade
2025-12-11Taylor Stephen CharlesdirectorSale10,000 @ $33.54$335K−3.5% of holding+1.1%+15.3%275,432Form 4 · filed 1 day after the trade
2025-12-10Taylor Stephen CharlesdirectorSale10,000 @ $33.16$332K−3.4% of holding+1.2%+19.2%285,432Form 4 · filed 2 days after the trade
2025-12-08HOLLEY JEAN KdirectorPurchase2,190 @ $32.04$70K+18.0% of holding+8.6%+24.7%14,390Form 4 · filed 2 days after the trade
2025-12-08HOLLEY JEAN KdirectorPurchase935 @ $32.00$30K+8.3% of holding+8.6%+24.7%12,200Form 4 · filed 1 day after the trade
2025-12-04Taylor Stephen CharlesdirectorSale20,000 @ $32.12$642K−6.3% of holding+6.4%+19.5%295,432Form 4 · filed 1 day after the trade
2025-11-20Taylor Stephen CharlesdirectorSale10,000 @ $31.37$314K−3.1% of holding+1.9%+25.6%315,432Form 4 · filed same day
2025-11-19Taylor Stephen CharlesdirectorSale10,000 @ $30.31$303K−3.0% of holding+2.2%+25.4%325,432Form 4 · filed 1 day after the trade
2025-11-17Taylor Stephen CharlesdirectorSale10,000 @ $31.01$310K−2.9% of holding+6.8%+29.9%335,432Form 4 · filed 1 day after the trade
2025-11-10Taylor Stephen CharlesdirectorSale10,000 @ $30.00$300K−2.8% of holding+9.4%+29.0%345,432Form 4 · filed 2 days after the trade
2025-11-10Taylor Stephen CharlesdirectorSale8,748 @ $29.50$258K−2.4% of holding+9.4%+29.0%355,432Form 4 · filed 2 days after the trade
2025-11-07Taylor Stephen CharlesdirectorSale9,900 @ $29.00$287K−2.6% of holding+11.4%+35.8%365,432Form 4 · filed same day
2025-11-07Taylor Stephen CharlesdirectorSale1,252 @ $29.50$37K−0.3% of holding+11.4%+35.8%364,180Form 4 · filed same day
2025-11-06Taylor Stephen CharlesdirectorSale100 @ $29.00$3K−0.0% of holding+8.6%+29.1%375,332Form 4 · filed 1 day after the trade
2025-09-26Taylor Stephen CharlesdirectorSale7,915 @ $28.50$226K−2.1% of holding−7.4%+37.6%375,432Form 4 · filed same day
2025-09-25Taylor Stephen CharlesdirectorSale759 @ $28.50$22K−0.2% of holding−5.4%+44.1%383,347Form 4 · filed same day
2025-09-24Taylor Stephen CharlesdirectorSale1,326 @ $28.50$38K−0.3% of holding−2.4%+43.3%384,106Form 4 · filed same day
2025-09-23Taylor Stephen CharlesdirectorSale10,000 @ $28.01$280K−2.5% of holding−2.9%+42.3%385,432Form 4 · filed same day
2025-09-23Taylor Stephen CharlesdirectorSale1,457 @ $27.50$40K−0.4% of holding−2.9%+42.3%395,432Form 4 · filed same day
2025-09-19Taylor Stephen CharlesdirectorSale63 @ $27.50$2K−0.0% of holding−0.5%+47.4%396,889Form 4 · filed same day
2025-09-18Taylor Stephen CharlesdirectorSale1,638 @ $27.50$45K−0.4% of holding−6.1%+45.0%396,952Form 4 · filed same day
2025-09-17Taylor Stephen CharlesdirectorSale6,553 @ $27.51$180K−1.6% of holding−3.1%+47.7%398,590Form 4 · filed same day
2025-09-16Taylor Stephen CharlesdirectorSale289 @ $27.50$8K−0.1% of holding−4.1%+37.1%405,143Form 4 · filed same day
2025-09-04Taylor Stephen CharlesdirectorSale10,000 @ $27.00$270K−2.4% of holding−3.4%+36.2%403,334Form 4 · filed same day
2025-09-04HOLLEY JEAN KdirectorPurchase3,752 @ $26.58$100K+92.7% of holding−3.4%+36.2%7,800Form 4 · filed same day
2025-08-22Taylor Stephen CharlesdirectorSale10,000 @ $26.50$265K−2.3% of holding+2.8%+36.4%423,334Form 4 · filed same day
2025-08-22Taylor Stephen CharlesdirectorSale10,000 @ $26.00$260K−2.4% of holding+2.8%+36.4%413,334Form 4 · filed same day
2025-08-14HOLLEY JEAN KdirectorPurchase4,048 @ $24.49$99Kownership Δ n/a+8.6%+46.5%4,048Form 4 · filed 1 day after the trade
2025-05-15Taylor Stephen CharlesdirectorSale25,000 @ $24.90$623K−5.5% of holding+2.8%+3.9%433,334Form 4 · filed 1 day after the trade
2025-01-21Taylor Stephen CharlesdirectorSale10,000 @ $29.01$290K−2.2% of holding−7.7%−22.6%438,387Form 4 · filed 1 day after the trade
2025-01-21Taylor Stephen CharlesdirectorSale9,400 @ $28.57$269K−2.1% of holding−7.7%−22.6%448,387Form 4 · filed 1 day after the trade
2024-12-12Taylor Stephen CharlesdirectorSale10,000 @ $27.15$272K−2.1% of holding+4.6%−0.7%457,787Form 4 · filed 4 days after the trade

The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.

106 award / exercise / gift records — not counted as purchases

Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.

DatePersonRoleActionSharesOwned afterFiling
2026-09-02TRINGALI DONALD JdirectorAward / grant5913,812Form 4
2026-06-10Gallegos John A. Jr.directorAward / grant3,0093,009Form 4
2026-06-10HOLLEY JEAN KdirectorAward / grant3,0093,009Form 4
2026-06-10Hodges GeorgannedirectorAward / grant3,0093,009Form 4
2026-06-10JACKSON JOHN EARLdirectorAward / grant3,0093,009Form 4
2026-06-10Jenvey NigeldirectorAward / grant3,5213,521Form 4
2026-06-10TRINGALI DONALD JdirectorAward / grant4,5744,574Form 4
2026-06-08Taylor Stephen CharlesdirectorAward / grant33495,137Form 4
2026-06-08TRINGALI DONALD JdirectorAward / grant4917,763Form 4
2026-06-05Taylor Stephen CharlesdirectorOther acquisition2,228197,818Form 4
2026-06-05Hodges GeorgannedirectorOther acquisition2,22811,066Form 4
2026-06-05Jenvey NigeldirectorOption exercise4,4560Form 4
2026-06-05Taylor Stephen CharlesdirectorOption exercise4,4560Form 4
2026-06-05Gallegos John A. Jr.directorOption exercise4,4560Form 4
2026-06-05HOLLEY JEAN KdirectorOption exercise4,4560Form 4
2026-06-05Hodges GeorgannedirectorOption exercise4,4560Form 4
2026-06-05TRINGALI DONALD JdirectorOption exercise4,4560Form 4
2026-06-05Jenvey NigeldirectorAward / grant4,45626,239Form 4
2026-06-05Gallegos John A. Jr.directorAward / grant4,4565,345Form 4
2026-06-05HOLLEY JEAN KdirectorAward / grant4,45618,846Form 4
2026-06-05Hodges GeorgannedirectorAward / grant4,45613,294Form 4
2026-06-05Jenvey NigeldirectorAward / grant4,45626,239Form 4
2026-06-05TRINGALI DONALD JdirectorAward / grant4461,955Form 4
2026-06-05TRINGALI DONALD JdirectorAward / grant4,01017,714Form 4
2026-06-05HOLLEY JEAN KdirectorAward / grant4,45618,846Form 4
2026-06-05Taylor Stephen CharlesdirectorAward / grant4,456200,046Form 4
2026-06-05Gallegos John A. Jr.directorAward / grant4,4565,345Form 4
2026-06-05Hodges GeorgannedirectorAward / grant4,45613,294Form 4
2026-06-05TRINGALI DONALD JdirectorAward / grant4461,955Form 4
2026-06-05TRINGALI DONALD JdirectorAward / grant4,01017,714Form 4
2026-06-05Taylor Stephen CharlesdirectorAward / grant4,456200,046Form 4
2026-04-01Gallegos John A. Jr.directorOption exercise8890Form 4
2026-04-01Gallegos John A. Jr.directorAward / grant889889Form 4
2026-04-01Gallegos John A. Jr.directorAward / grant889889Form 4
2026-03-13Jacobs JustindirectorWithheld for tax4,43326,756Form 4
2026-03-13Jacobs JustindirectorOption exercise1,5563,111Form 4
2026-03-13Jacobs JustindirectorOption exercise10,14020,280Form 4
2026-03-13Jacobs JustindirectorAward / grant11,69631,189Form 4
2026-03-13Jacobs JustindirectorAward / grant11,69631,189Form 4
2026-03-12Jacobs JustindirectorAward / grant27,64727,647Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.

Congressional disclosures

No congressional trades disclosed for this company.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.