Thomas David Brian

Officer · HYMC

As of 2026-09-16, Thomas David Brian has 12 Form 4 transactions on record across 1 company — 8 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.

Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $3.3MIndirect: $0$3.3Mas of 2026-09-16
  • Direct $3.3M
  • Indirect $0
HYMCdirect163,179 sh$3.3M

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

HYMC · 12 trades
2026-06-30: Withheld for tax, 5,195 sh ($121K)2026-06-16: Sale, 25,000 sh ($658K)2026-06-04: Sale, 9,000 sh ($271K)2026-03-09: Award / grant, 11,113 sh ($0)2026-01-27: Withheld for tax, 4,379 sh ($221K)2026-01-27: Award / grant, 117,166 sh ($0)2025-12-29: Sale, 15,000 sh ($318K)2025-10-23: Sale, 20,000 sh ($148K)2025-06-30: Award / grant, 40,000 sh ($0)2025-06-04: Sale, 1,417 sh ($5K)2025-05-27: Sale, 3,389 sh ($10K)2025-05-15: Sale, 1,876 sh ($6K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-16HYMCSale25,000 @ $26.32$658K−12.9% of holding168,374Form 4
2026-06-04HYMCSale9,000 @ $30.15$271K−4.4% of holding193,374Form 4
2025-12-29HYMCSale15,000 @ $21.21$318K−15.6% of holding81,070Form 4
2025-10-23HYMCSale20,000 @ $7.39$148K−17.2% of holding96,070Form 4
2025-06-04HYMCSale1,417 @ $3.76$5K−1.8% of holding76,070Form 4
2025-05-27HYMCSale3,389 @ $3.01$10K−4.2% of holding77,487Form 4
2025-05-15HYMCSale1,876 @ $3.01$6K−2.3% of holding80,876Form 4
5 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-30HYMCWithheld for tax5,195163,179Form 4
2026-03-09HYMCAward / grant11,113202,374Form 4
2026-01-27HYMCWithheld for tax4,379193,857Form 4
2026-01-27HYMCAward / grant117,166198,236Form 4
2025-06-30HYMCAward / grant40,000116,070Form 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.