Howell Stephen Mitchell Jr.

Officer · RIOT

As of 2026-09-16, Howell Stephen Mitchell Jr. has 9 Form 4 transactions on record across 1 company — 6 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: $37.3MIndirect: $0$37.3Mas of 2026-09-16
  • Direct $37.3M
  • Indirect $0
RIOTdirect1,834,408 sh$37.3M

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

RIOT · 9 trades
2026-08-12: Gift, 21,198 sh ($0)2026-07-31: Withheld for tax, 153,162 sh ($3.1M)2026-07-01: Withheld for tax, 21,966 sh ($526K)2026-01-01: Withheld for tax, 29,482 sh ($374K)2026-01-01: Award / grant, 394,632 sh ($0)2026-01-01: Award / grant, 197,316 sh ($0)2025-07-01: Withheld for tax, 20,345 sh ($229K)2025-07-01: Award / grant, 221,827 sh ($0)2025-07-01: Award / grant, 443,656 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-12RIOTGift21,1981,834,408Form 4
2026-07-31RIOTWithheld for tax153,1621,855,606Form 4
2026-07-01RIOTWithheld for tax21,9662,008,768Form 4
2026-01-01RIOTWithheld for tax29,4821,438,786Form 4
2026-01-01RIOTAward / grant394,6322,030,734Form 4
2026-01-01RIOTAward / grant197,3161,636,102Form 4
2025-07-01RIOTWithheld for tax20,345802,785Form 4
2025-07-01RIOTAward / grant221,8271,024,612Form 4
2025-07-01RIOTAward / grant443,6561,468,268Form 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.