Brandon Alexandroff
Insider
Activist
First SEC filing: Sept. 26, 2022 · Latest: Feb. 11, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | RUMBW | A | 220,670 | · | · | 220,670 Direct | · | Acquired | (price as of 2026-10-05) |
| March 10, 2026 | RUMBW | A | 47,827 | · | · | 132,926 Direct | +56.20% | Acquired | (price as of 2026-10-05) |
| Nov. 14, 2025 | RUMBW | F | 917 | $5.64 | $5,172 | 85,099 Direct | -1.07% | Disposed | -67.9% (price as of 2026-10-05) |
| April 3, 2025 | RUMBW | A | 146,952 | · | · | 146,952 Direct | · | Acquired | (price as of 2026-10-05) |
| April 3, 2025 | RUMBW | A | 30,192 | · | · | 86,016 Direct | +54.08% | Acquired | (price as of 2026-10-05) |
| April 3, 2025 | RUMBW | F | 8,386 | $8.06 | $67,591 | 55,824 Direct | -13.06% | Disposed | -77.5% (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | M | 6,828,420 | · | · | 8,120,045 Direct | -45.68% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | C | 2,043,839 | · | · | 1,004,515 Indirect | -67.05% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | S | 6,828,420 | $7.50 | $51,213,150 | 64,210 Direct | -99.07% | Disposed | -75.9% (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | S | 2,043,839 | $7.50 | $15,328,792 | 0 Indirect | -100.00% | Disposed | -75.9% (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | M | 6,828,420 | $0.03 | $204,853 | 6,892,630 Direct | +10634.51% | Acquired | 5933.3% (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | J | 2,043,839 | · | · | 1,004,515 Indirect | -67.05% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | RUMBW | C | 2,043,839 | · | · | 2,043,839 Indirect | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2024 | RUMBW | F | 917 | $5.61 | $5,144 | 64,210 Direct | -1.41% | Disposed | -67.7% (price as of 2026-10-05) |
| April 3, 2024 | RUMBW | F | 3,459 | $6.68 | $23,106 | 28,317 Direct | -10.89% | Disposed | -72.9% (price as of 2026-10-05) |
| April 3, 2024 | RUMBW | A | 36,810 | · | · | 65,127 Direct | +129.99% | Acquired | (price as of 2026-10-05) |
| April 3, 2024 | RUMBW | A | 178,360 | · | · | 178,360 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2024 | RUMBW | M | 900,000 | · | · | 14,948,465 Direct | -5.68% | Disposed | (price as of 2026-10-05) |
| April 1, 2024 | RUMBW | S | 900,000 | $7.00 | $6,300,000 | 31,776 Direct | -96.59% | Disposed | -74.1% (price as of 2026-10-05) |
| April 1, 2024 | RUMBW | M | 900,000 | $0.03 | $27,000 | 931,776 Direct | +2832.33% | Acquired | 5933.3% (price as of 2026-10-05) |
| Nov. 16, 2023 | RUMBW | F | 917 | $4.95 | $4,539 | 31,776 Direct | -2.80% | Disposed | -63.4% (price as of 2026-10-05) |
| April 3, 2023 | RUMBW | A | 87,216 | · | · | 87,216 Direct | · | Acquired | (price as of 2026-10-05) |
| April 3, 2023 | RUMBW | A | 25,844 | · | · | 32,693 Direct | +377.34% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | RUMBW | A | 23,068 | · | · | 23,068 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | RUMBW | A | 6,849 | · | · | 6,849 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 10, 2026 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $5.23 | March 10, 2036 | 220,670 | Acquired |
| April 3, 2025 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $7.69 | April 3, 2035 | 146,952 | Acquired |
| Feb. 7, 2025 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $0.03 | Sept. 1, 2040 | 6,828,420 | Disposed |
| Feb. 7, 2025 | RUMBW | Exchangeable Shares | Class A Common Stock, par value $0.0001 per share | $0.00 | · | 2,043,839 | Disposed |
| April 3, 2024 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $6.68 | April 3, 2034 | 178,360 | Acquired |
| April 1, 2024 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $0.03 | Sept. 1, 2040 | 900,000 | Disposed |
| April 3, 2023 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $9.42 | April 3, 2033 | 87,216 | Acquired |
| Nov. 16, 2022 | RUMBW | Stock Option (Right to Buy) | Class A Common Stock, par value $0.0001 per share | $10.60 | Nov. 16, 2032 | 23,068 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $381,142 | $85,765 | $232,176 | · | · | · | $523,266 | $1,918,975 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.