Yorktown Energy Partners X, L.P.

CIK 1577919 · last filed 2024-12-18

Yorktown Energy Partners X, L.P. is a corporate insider who has filed 11 SEC Form 4 insider transactions across 5 companies since 2016. The most recent filing, for SOI, was dated Dec 18, 2024. Across all open-market trades the lifetime net is −$150.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $70.1M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$70.14M

Companies

5

Total Filings

11

Lifetime Open-Market Net

-$150.37M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
Solaris Energy Infrastructure, Inc. (SOI) Delisted 10%+ Owner 975,000 $11.32 $11.04M -$135.66M 6 2024-12-18
REPX 10%+ Owner 390,860 $35.26 $13.78M $0 2 2023-07-18
Brigham Minerals, Inc. (MNRL) Delisted 10%+ Owner 2,683,371 $32.50 $87.21M -$13.94M 1 2019-12-18
METC 10%+ Owner 3,692,881 $15.26 $56.35M -$766.9K 1 2017-02-10
Extraction Oil & Gas, Inc. (XOG) Delisted 10%+ Owner 17,554,262 $68.54 $1.20B $0 1 2016-10-31

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2024-12-18 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −975,000 -$23.41M EDGAR
2023-07-18 REPX Other (J) −5,376,270 $0 EDGAR
2021-07-30 REPX Mixed $0 EDGAR
2021-03-11 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −400,000 -$5.10M EDGAR
2021-02-26 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −500,000 -$5.50M EDGAR
2019-12-18 Brigham Minerals, Inc. (MNRL) Delisted Mixed −802,324 -$13.94M EDGAR
2019-03-14 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −2,000,000 -$31.15M EDGAR
2018-01-16 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −1,408,388 -$30.49M EDGAR
2017-11-15 Solaris Energy Infrastructure, Inc. (SOI) Delisted Mixed −2,660,201 -$40.01M EDGAR
2017-02-10 METC Sell (S) −56,810 -$766.9K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.