Yorktown Energy Partners X, L.P.

Ten-percent owner · SEI

As of 2026-09-16, Yorktown Energy Partners X, L.P. has 5 Form 4 transactions on record across 1 company — 0 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $457.3MIndirect: $0$457.3Mas of 2026-09-16
  • Direct $457.3M
  • Indirect $0
SEIdirect7,079,234 sh$457.3M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

SEI · 5 trades
2024-12-16: Sale, 975,000 sh ($23.4M)2024-12-16: Conversion, 975,000 sh ($0)2024-12-16: Other acquisition, 975,000 sh ($0)2024-12-16: Conversion, 975,000 sh2024-12-16: Conversion, 975,000 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2024-12-16SEISale975,000 @ $24.01$23.4M−100.0% of holding0Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2024-12-16SEIConversion975,000975,000Form 4
2024-12-16SEIOther acquisition975,0007,079,234Form 4
2024-12-16SEIConversion975,0007,079,234Form 4
2024-12-16SEIConversion975,0007,079,234Form 4

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

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