MarketPeel
Insider Trading Intelligence
JH

Jean K. Holley

NGS
DIRECTOR · NATURAL GAS SERVICES GROUP INC · CIK 0001207300
FILING MIX · LIFETIME82%/18%
BUYS
27
SELLS
6
TOTAL VALUE
$1.31M
COMPANIES
3
ACTIVE SINCE
Jun 2019
HOLDINGS NOW
152,856
AVG SELL PX
$17.08
TRADE KIND
SHOWING 33 / 33
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizons · 8 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Jean K. Holley, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d4+75.00%+3.50%-0.25%+3.75%+5.27%
14d4+100.00%+3.80%+0.75%+3.05%+2.59%
30d4+75.00%+6.48%+1.69%+4.78%+7.34%
60d4+100.00%+10.15%+2.53%+7.62%+9.18%
90d4+100.00%+20.24%+2.44%+17.80%+18.86%
180d4+100.00%+35.48%+6.96%+28.52%+27.29%
1y4(4 pending)
2y4(4 pending)
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
NGS · 3,009 shares · as of Jun 10, 2026
04,7129,42314,13518,84620252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2019
2019
2019
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 27 buys / 6 sellsCOVERAGE · 29 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASEGRANT
Stock grant
3,0093,009Jun 10, 2026Jun 11, 2026View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASEGRANT
Stock grant
4,45618,846Jun 5, 2026Jun 8, 2026View →
NGS
NATURAL GAS SERVICES GROUP INC
SALE
4,4560Jun 5, 2026Jun 8, 2026View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
1,03515,373May 14, 2026May 18, 2026View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASE
935$32.00$29.9K12,200Dec 8, 2025Dec 9, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASE
2,190$32.04$70.2K14,390Dec 8, 2025Dec 10, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASE
3,4650Nov 3, 2025Nov 3, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASEGRANT
Stock grant
3,46511,265Nov 3, 2025Nov 3, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASE
3,752$26.58$99.7K7,800Sep 4, 2025Sep 4, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASE
4,048$24.49$99.2K4,048Aug 14, 2025Aug 15, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASEGRANT
Stock grant
4,4564,456Jun 5, 2025Jun 9, 2025View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
96714,338May 15, 2025May 19, 2025View →
NGS
NATURAL GAS SERVICES GROUP INC
PURCHASEGRANT
Stock grant
3,4653,465Nov 1, 2024Nov 5, 2024View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
83413,371May 16, 2024May 20, 2024View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
1,30112,537May 11, 2023May 15, 2023View →
OSPN
ONESPAN INC.
SALE
7,618$13.40$102.1K0Jun 8, 2022Jun 10, 2022View →
OSPN
ONESPAN INC.
PURCHASE
7,618$13.40$102.1K134,474Jun 8, 2022Jun 10, 2022View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
1,10111,236May 12, 2022May 16, 2022View →
OSPN
ONESPAN INC.
PURCHASEGRANT
Stock grant
7,618$16.41$125.0K7,618Jan 5, 2022Jan 7, 2022View →
OSPN
ONESPAN INC.
PURCHASE
5,833$17.23$100.5K126,856Jan 4, 2022Jan 6, 2022View →
OSPN
ONESPAN INC.
SALE
5,833$17.23$100.5K0Jan 4, 2022Jan 6, 2022View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
1,03410,135May 13, 2021May 17, 2021View →
OSPN
ONESPAN INC.
PURCHASE
5,230$22.92$119.9K121,023Jan 15, 2021Apr 2, 2021View →
OSPN
ONESPAN INC.
SALE
5,230$22.92$119.9K0Jan 15, 2021Apr 2, 2021View →
OSPN
ONESPAN INC.
PURCHASEGRANT
Stock grant
5,8335,833Jan 4, 2021Jan 6, 2021View →
OSPN
ONESPAN INC.
PURCHASEGRANT
Stock grant
5,8335,833Jan 4, 2021Apr 2, 2021View →
HRI
HERC HOLDINGS INC
PURCHASEGRANT
Stock grant
4,8199,101May 14, 2020May 18, 2020View →
OSPN
ONESPAN INC.
SALE
7,1240Feb 1, 2020Feb 6, 2020View →
OSPN
ONESPAN INC.
PURCHASE
7,124115,793Feb 1, 2020Feb 6, 2020View →
OSPN
ONESPAN INC.
PURCHASE
7,124$16.62$118.4K115,793Feb 1, 2020Apr 22, 2020View →
OSPN
ONESPAN INC.
SALE
7,124$16.62$118.4K0Feb 1, 2020Apr 22, 2020View →
OSPN
ONESPAN INC.
PURCHASEGRANT
Stock grant
5,2305,230Jan 15, 2020Apr 22, 2020View →
OSPN
ONESPAN INC.
PURCHASEGRANT
Stock grant
7,1247,124Jun 12, 2019Feb 6, 2020View →
Other insiders · NGS
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About this filer
CIK 0001207300
ROLE
Director
PRIMARY
NGS
COMPANIES
3
ACTIVE SINCE
Jun 2019
MARKETPEEL · /INSIDER/0001207300DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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