WINMILL MARK CAMPBELL

Director · Officer · SELF

As of 2026-09-16, WINMILL MARK CAMPBELL has 14 Form 4 transactions on record across 1 company — 11 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 purchases filed in May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.9MIndirect: $0$1.9Mas of 2026-09-16
  • Direct $1.9M
  • Indirect $0
SELFdirect372,582 sh$1.9M

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

SELF · 14 trades
2026-09-10: Purchase, 292 sh ($2K)2026-09-10: Purchase, 50 sh ($258)2026-09-09: Purchase, 2,058 sh ($11K)2026-09-09: Purchase, 1,600 sh ($8K)2026-05-14: Purchase, 4,000 sh ($21K)2026-03-24: Award / grant, 12,672 sh ($65K)2026-03-24: Award / grant, 12,672 sh ($64K)2025-12-05: Purchase, 3,600 sh ($18K)2025-12-05: Purchase, 800 sh ($4K)2025-12-04: Purchase, 6,000 sh ($31K)2025-12-03: Purchase, 6,000 sh ($31K)2025-05-19: Purchase, 10,000 sh ($57K)2025-03-25: Award / grant, 12,672 sh ($64K)2025-03-25: Award / grant, 12,672 sh ($55K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-10SELFPurchase292 @ $5.16$2K+0.1% of holding372,582Form 4
2026-09-10SELFPurchase50 @ $5.16$258+0.0% of holding372,290Form 4
2026-09-09SELFPurchase2,058 @ $5.16$11K+0.6% of holding372,240Form 4
2026-09-09SELFPurchase1,600 @ $5.16$8K+0.4% of holding370,182Form 4
2026-05-14SELFPurchase4,000 @ $5.33$21K+1.1% of holding368,582Form 4
2025-12-05SELFPurchase3,600 @ $5.09$18K+1.1% of holding339,238Form 4
2025-12-05SELFPurchase800 @ $5.05$4K+0.2% of holding335,638Form 4
2025-12-04SELFPurchase6,000 @ $5.14$31K+1.8% of holding334,838Form 4
2025-12-03SELFPurchase6,000 @ $5.13$31K+1.9% of holding328,838Form 4
2025-05-19SELFPurchase10,000 @ $5.67$57K+3.2% of holding322,838Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-24SELFAward / grant12,672364,582Form 4
2026-03-24SELFAward / grant12,672351,910Form 4
2025-03-25SELFAward / grant12,672300,166Form 4
2025-03-25SELFAward / grant12,672312,838Form 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.