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Alexandroff Brandon

Disclosed activity across 1 company

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61278
SEC CIK
0001947691

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
RUM Group Inc.RUM · Entity 4025Chief Financial OfficerMarch 10, 2026March 12, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

RUM Group Inc.

Report date March 10, 2026 · Filed March 12, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common Stock, par value $0.0001 per shareSEC Table I · non-derivativeDirect132,926 Reported balance After 2026-03-10 transaction · row 1
1 source row

Row 1 · 2026-03-10 · Grant · Acquired 47,827 · Balance 132,926

F1: Grant of restricted stock units of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $5.23 · Expires 2036-03-10Direct220,670 Reported balance After 2026-03-10 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-03-10 · Grant · Acquired 220,670 · Balance 220,670

F2: Grant of a stock option of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

Filing footnotes · ownership attribution and instrument terms

F1: Grant of restricted stock units of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

F2: Grant of a stock option of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 10, 2026 Filed Mar 12, 2026 16:05 UTC RUM Group Inc. RUM · Entity 4025 GrantStock Option (Right to Buy) · Derivative 220,670 $0.00 Strike: $5.23 $0.00
Disclosure

SEC source: 0001213900-26-026934 · ownership.xml · derivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,670

Underlying: Class A Common Stock, par value $0.0001 per share · 220,670 shares

Expires 2036-03-10

F2 · derivative.exercise_date: Grant of a stock option of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
March 10, 2026 Filed Mar 12, 2026 16:05 UTC RUM Group Inc. RUM · Entity 4025 GrantClass A Common Stock, par value $0.0001 per share 47,827 $0.00 $0.00
Disclosure

SEC source: 0001213900-26-026934 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,926

F1 · shares: Grant of restricted stock units of the Issuer vesting in four substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
November 14, 2025 Filed Nov 18, 2025 08:00 UTC RUM Group Inc. RUM · Entity 4025 Tax withholdingClass A Common Stock, par value $0.0001 per share 917 $5.64 $5,171.88
Disclosure

SEC source: 0001213900-25-111780 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,099

F1 · shares: Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. The restricted stock units vest in four substantially equal annual installments, with the third vesting date occurring on November 14, 2025. Mr. Alexandroff did not sell any shares as part of the transaction reported on this Form 4.

Read SEC document
April 03, 2025 Filed Apr 7, 2025 18:09 UTC RUM Group Inc. RUM · Entity 4025 GrantStock Option (Right to Buy) · Derivative 146,952 $0.00 Strike: $7.69 $0.00
Disclosure

SEC source: 0001213900-25-029512 · ownership.xml · derivative · entry 3

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,952

Underlying: Class A Common Stock, par value $0.0001 per share · 146,952 shares

Expires 2035-04-03

F3 · derivative.exercise_date: Grant of a stock option of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
April 03, 2025 Filed Apr 7, 2025 18:09 UTC RUM Group Inc. RUM · Entity 4025 GrantClass A Common Stock, par value $0.0001 per share 30,192 $0.00 $0.00
Disclosure

SEC source: 0001213900-25-029512 · ownership.xml · nonDerivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,016

F2 · shares: Grant of restricted stock units of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
April 03, 2025 Filed Apr 7, 2025 18:09 UTC RUM Group Inc. RUM · Entity 4025 Tax withholdingClass A Common Stock, par value $0.0001 per share 8,386 $8.06 $67,591.16
Disclosure

SEC source: 0001213900-25-029512 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,824

F1 · shares: Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. Reporting Person did not sell any shares as part of the reported transaction.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 Exercise / conversionStock Option (Right to Buy) · Derivative 6,828,420 $0.00 Strike: $0.03 $0.00
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · derivative · entry 7

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,120,045

Underlying: Class A Common Stock, par value $0.0001 per share · 6,828,420 shares

Expires 2040-09-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · balance_after: Consists of Stock Options that the Reporting Person received in exchange for his outstanding options in Rumble Canada pursuant to the terms of the BCA. Includes 5,222,498 "earnout" Stock Options that are subject to the vesting and forfeiture requirements specified in the BCA.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 ConversionExchangeable Shares · Derivative 2,043,839 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · derivative · entry 6

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,004,515

Underlying: Class A Common Stock, par value $0.0001 per share · 2,043,839 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Consists of Exchangeable Shares issued by ExchangeCo. Represents 1,004,515 Exchangeable Shares that are subject to the vesting and forfeiture requirements specified in the BCA. Each Exchangeable Share is exchangeable at the election of the holder thereof for one share of Class A Common Stock. The Exchangeable Shares are currently exercisable and have no expiration date.

F6 · derivative.expiration_date: Consists of Exchangeable Shares issued by ExchangeCo. Represents 1,004,515 Exchangeable Shares that are subject to the vesting and forfeiture requirements specified in the BCA. Each Exchangeable Share is exchangeable at the election of the holder thereof for one share of Class A Common Stock. The Exchangeable Shares are currently exercisable and have no expiration date.

F6 · balance_after: Consists of Exchangeable Shares issued by ExchangeCo. Represents 1,004,515 Exchangeable Shares that are subject to the vesting and forfeiture requirements specified in the BCA. Each Exchangeable Share is exchangeable at the election of the holder thereof for one share of Class A Common Stock. The Exchangeable Shares are currently exercisable and have no expiration date.

F5 · ownership.nature: 1000748375 Ontario Ltd. ("Ontario") is the record holder of the shares. Ontario is wholly owned by Brandon Alexandroff and therefore, Mr. Alexandroff has voting and dispositive power over such shares and may be deemed to beneficially own such shares.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 SaleClass A Common Stock, par value $0.0001 per share 6,828,420 $7.50 $51,213,150.00
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · nonDerivative · entry 5

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,210

F4 · kind: Represents the sale of shares of Class A Common Stock to the Issuer in the Issuer's self tender offer that closed on February 7, 2025.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 SaleClass A Common Stock, par value $0.0001 per share 2,043,839 $7.50 $15,328,792.50
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · nonDerivative · entry 4

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: Represents the sale of shares of Class A Common Stock to the Issuer in the Issuer's self tender offer that closed on February 7, 2025.

F5 · ownership.nature: 1000748375 Ontario Ltd. ("Ontario") is the record holder of the shares. Ontario is wholly owned by Brandon Alexandroff and therefore, Mr. Alexandroff has voting and dispositive power over such shares and may be deemed to beneficially own such shares.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 Exercise / conversionClass A Common Stock, par value $0.0001 per share 6,828,420 $0.03 $204,852.60
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · nonDerivative · entry 3

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,892,630

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 OtherClass C Common Stock, par value $0.0001 per share 2,043,839 $0.00 $0.00
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · nonDerivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,004,515

F2 · kind: In connection with the exchange, an equivalent number of voting, non-economic shares of Class C Common Stock of the Issuer ("Class C Common Stock") held by the Reporting Person were cancelled by the Issuer.

F3 · balance_after: Represents 1,004,515 shares of Class C Common Stock that are subject to the vesting and forfeiture requirements specified in the Business Combination Agreement, dated as of December 1, 2021 (the "BCA"), by and between the Issuer (f/k/a CF Acquisition Corp. VI) and Rumble Canada Inc. (f/k/a Rumble Inc.) ("Rumble Canada").

F5 · ownership.nature: 1000748375 Ontario Ltd. ("Ontario") is the record holder of the shares. Ontario is wholly owned by Brandon Alexandroff and therefore, Mr. Alexandroff has voting and dispositive power over such shares and may be deemed to beneficially own such shares.

Read SEC document
February 07, 2025 Filed Feb 11, 2025 21:43 UTC RUM Group Inc. RUM · Entity 4025 ConversionClass A Common Stock, par value $0.0001 per share 2,043,839 $0.00 $0.00
Disclosure

SEC source: 0001213900-25-012456 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,043,839

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the exchange (on a 1-for-1 basis) by the Reporting Person of Exchangeable Shares issued by 1000045728 Ontario Inc. ("ExchangeCo"), a corporation formed under the laws of the Province of Ontario, Canada, and an indirect subsidiary of the Issuer, for shares of Class A Common Stock of the Issuer ("Class A Common Stock").

F5 · ownership.nature: 1000748375 Ontario Ltd. ("Ontario") is the record holder of the shares. Ontario is wholly owned by Brandon Alexandroff and therefore, Mr. Alexandroff has voting and dispositive power over such shares and may be deemed to beneficially own such shares.

Read SEC document
November 15, 2024 Filed Nov 19, 2024 16:10 UTC RUM Group Inc. RUM · Entity 4025 Tax withholdingClass A Common Stock, par value $0.0001 per share 917 $5.61 $5,144.37
Disclosure

SEC source: 0001213900-24-100159 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,210

F1 · shares: Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. The restricted stock units vest in four substantially equal annual installments, with the second vesting date occurring on November 15, 2024. Mr. Alexandroff did not sell any shares as part of the transaction reported on this Form 4.

Read SEC document
April 03, 2024 Filed Apr 5, 2024 19:40 UTC RUM Group Inc. RUM · Entity 4025 GrantStock Option (Right to Buy) · Derivative 178,360 $0.00 Strike: $6.68 $0.00
Disclosure

SEC source: 0001213900-24-030943 · ownership.xml · derivative · entry 3

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,360

Underlying: Class A Common Stock, par value $0.0001 per share · 178,360 shares

Expires 2034-04-03

F3 · derivative.exercise_date: Grant of a stock option of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
April 03, 2024 Filed Apr 5, 2024 19:40 UTC RUM Group Inc. RUM · Entity 4025 GrantClass A Common Stock, par value $0.0001 per share 36,810 $0.00 $0.00
Disclosure

SEC source: 0001213900-24-030943 · ownership.xml · nonDerivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,127

F2 · shares: Grant of restricted stock units of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
April 03, 2024 Filed Apr 5, 2024 19:40 UTC RUM Group Inc. RUM · Entity 4025 Tax withholdingClass A Common Stock, par value $0.0001 per share 3,459 $6.68 $23,106.12
Disclosure

SEC source: 0001213900-24-030943 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,317

F1 · shares: Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. Reporting Person did not sell any shares as part of the reported transaction.

Read SEC document
April 01, 2024 Filed Apr 3, 2024 08:45 UTC RUM Group Inc. RUM · Entity 4025 Exercise / conversionStock Option (Right to Buy) · Derivative 900,000 $0.00 Strike: $0.03 $0.00
Disclosure

SEC source: 0001213900-24-029597 · ownership.xml · derivative · entry 3

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,948,465

Underlying: Class A Common Stock, par value $0.0001 per share · 900,000 shares

Expires 2040-09-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Consists of Stock Options that the Reporting Person received in exchange for his outstanding options in Rumble Canada Inc. pursuant to the terms of the Business Combination Agreement, dated as of December 1, 2021 (the "BCA"). Includes 5,222,498 "earnout" Stock Options that are subject to the vesting and forfeiture requirements specified in the BCA.

Read SEC document
April 01, 2024 Filed Apr 3, 2024 08:45 UTC RUM Group Inc. RUM · Entity 4025 SaleClass A Common Stock, par value $0.0001 per share 900,000 $7.00 $6,300,000.00
Disclosure

SEC source: 0001213900-24-029597 · ownership.xml · nonDerivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,776

F1 · balance_after: Represents 795 restricted stock units of the Issuer that previously vested and 30,981 unvested restricted stock units of the Issuer.

Read SEC document
April 01, 2024 Filed Apr 3, 2024 08:45 UTC RUM Group Inc. RUM · Entity 4025 Exercise / conversionClass A Common Stock, par value $0.0001 per share 900,000 $0.03 $27,000.00
Disclosure

SEC source: 0001213900-24-029597 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 931,776

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 16, 2023 Filed Nov 20, 2023 17:04 UTC RUM Group Inc. RUM · Entity 4025 Tax withholdingClass A Common Stock, par value $0.0001 per share 917 $4.95 $4,539.15
Disclosure

SEC source: 0001213900-23-088812 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,776

F1 · shares: Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. The restricted stock units vest in four substantially equal annual installments, with the first vesting date occurring on November 16, 2023. Mr. Alexandroff did not sell any shares as part of the transaction reported on this Form 4.

Read SEC document
April 03, 2023 Filed Apr 5, 2023 16:29 UTC RUM Group Inc. RUM · Entity 4025 GrantStock Option (Right to Buy) · Derivative 87,216 $0.00 Strike: $9.42 $0.00
Disclosure

SEC source: 0001213900-23-027573 · ownership.xml · derivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,216

Underlying: Class A Common Stock, par value $0.0001 per share · 87,216 shares

Expires 2033-04-03

F2 · derivative.exercise_date: Option vests in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
April 03, 2023 Filed Apr 5, 2023 16:29 UTC RUM Group Inc. RUM · Entity 4025 GrantClass A Common Stock, par value $0.0001 per share 25,844 $0.00 $0.00
Disclosure

SEC source: 0001213900-23-027573 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,693

F1 · shares: Grant of restricted stock units of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
November 16, 2022 Filed Nov 18, 2022 16:14 UTC RUM Group Inc. RUM · Entity 4025 GrantStock Option (Right to Buy) · Derivative 23,068 $0.00 Strike: $10.60 $0.00
Disclosure

SEC source: 0001213900-22-073832 · ownership.xml · derivative · entry 2

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,068

Underlying: Class A Common Stock, par value $0.0001 per share · 23,068 shares

Expires 2032-11-16

F2 · derivative.exercise_date: Option vests in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
November 16, 2022 Filed Nov 18, 2022 16:14 UTC RUM Group Inc. RUM · Entity 4025 GrantClass A Common Stock, par value $0.0001 per share 6,849 $0.00 $0.00
Disclosure

SEC source: 0001213900-22-073832 · ownership.xml · nonDerivative · entry 1

Alexandroff Brandon · CIK 0001947691 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,849

F1 · shares: Grant of restricted stock units of the Issuer vesting in four equal annual installments beginning on the first anniversary of the grant date.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.