Alexandroff Brandon

Officer · RUM

As of 2026-09-16, Alexandroff Brandon has 13 Form 4 transactions on record across 1 company — 3 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: $1.8MIndirect: $8.3M$10.2Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $8.3M
RUMindirect1,004,515 sh$8.3M
RUMdirect220,670 sh$1.8M

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

RUM · 13 trades
2026-03-10: Award / grant, 47,827 sh ($0)2026-03-10: Award / grant, 220,670 sh ($0)2025-11-14: Withheld for tax, 917 sh ($5K)2025-04-03: Withheld for tax, 8,386 sh ($68K)2025-04-03: Award / grant, 30,192 sh ($0)2025-04-03: Award / grant, 146,952 sh ($0)2025-02-07: Sale, 6,828,420 sh ($51.2M)2025-02-07: Sale, 2,043,839 sh ($15.3M)2025-02-07: Option exercise, 6,828,420 sh ($205K)2025-02-07: Option exercise, 6,828,420 sh ($0)2025-02-07: Conversion, 2,043,839 sh ($0)2025-02-07: Other acquisition, 2,043,839 sh ($0)2025-02-07: Conversion, 2,043,839 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-02-07RUMSale6,828,420 @ $7.50$51.2M−99.1% of holding64,210Form 4
2025-02-07RUMSale2,043,839 @ $7.50$15.3M−100.0% of holding0Form 4
11 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-10RUMAward / grant47,827132,926Form 4
2026-03-10RUMAward / grant220,670220,670Form 4
2025-11-14RUMWithheld for tax91785,099Form 4
2025-04-03RUMWithheld for tax8,38655,824Form 4
2025-04-03RUMAward / grant30,19286,016Form 4
2025-04-03RUMAward / grant146,952146,952Form 4
2025-02-07RUMOption exercise6,828,4206,892,630Form 4
2025-02-07RUMOption exercise6,828,4208,120,045Form 4
2025-02-07RUMConversion2,043,8391,004,515Form 4
2025-02-07RUMOther acquisition2,043,8391,004,515Form 4
2025-02-07RUMConversion2,043,8392,043,839Form 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.