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Kabot Brian

Disclosed activity across 1 company

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44589
SEC CIK
0001786113

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Momentus Inc.MNTS · Entity 6834DirectorMay 20, 2026May 22, 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.

Momentus Inc.

Report date May 20, 2026 · Filed May 22, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect4,708 Reported balance After 2026-05-20 transaction · row 1
1 source row

Row 1 · 2026-05-20 · Purchase · Acquired 250 · Balance 4,708

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
May 20, 2026 Filed May 22, 2026 18:55 UTC Momentus Inc. MNTS · Entity 6834 PurchaseClass A Common Stock 250 $5.52 $1,378.75
Disclosure

SEC source: 0001786113-26-000005 · primary_doc.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,708

Read SEC document
May 19, 2026 Filed May 21, 2026 00:34 UTC Momentus Inc. MNTS · Entity 6834 PurchaseClass A Common Stock 250 $5.62 $1,403.75
Disclosure

SEC source: 0001786113-26-000004 · primary_doc.xml · nonDerivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,458

Read SEC document
May 18, 2026 Filed May 21, 2026 00:34 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 6,039 $0.00 $0.00
Disclosure

SEC source: 0001786113-26-000004 · primary_doc.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,039

Underlying: Class A Common Stock · 6,039 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.

F2 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

F2 · derivative.expiration_date: The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
May 18, 2026 Filed May 21, 2026 00:34 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 913 $0.00 $0.00
Disclosure

SEC source: 0001786113-26-000004 · primary_doc.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,208

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
May 15, 2026 Filed May 20, 2026 14:12 UTC Momentus Inc. MNTS · Entity 6834 PurchaseClass A Common Stock 1,850 $5.40 $9,998.51
Disclosure

SEC source: 0001786113-26-000002 · primary_doc.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,295

F1 · price: This transaction was executed in multiple trades at prices ranging from $5.275 to $5.6099. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · balance_after: The reporting person was previously reported as a beneficial owner of securities held by SRC-NI Holdings, LLC. The number of shares reported in Column 5 as direct ownership is greater than previously reported due to a distribution of shares by SRC-NI Holdings, LLC to its investors.

Read SEC document
June 30, 2025 Filed Jul 3, 2025 21:38 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 16,294 $0.00 $0.00
Disclosure

SEC source: 0001781162-25-000023 · wk-form4_1751578692.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,294

Underlying: Class A Common Stock · 16,294 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.

F3 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of June 30, 2026 or the day before the 2026 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

F3 · derivative.expiration_date: The RSUs will vest in full on the earlier to occur of June 30, 2026 or the day before the 2026 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 30, 2025 Filed Jul 3, 2025 21:38 UTC Momentus Inc. MNTS · Entity 6834 GrantClass A Common Stock 16,294 $0.00 $0.00
Disclosure

SEC source: 0001781162-25-000023 · wk-form4_1751578692.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,698

Read SEC document
November 01, 2024 Filed Nov 5, 2024 23:45 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 2,400 $0.00 $0.00
Disclosure

SEC source: 0001781162-24-000019 · wk-form4_1730850301.xml · derivative · entry 5

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,400 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.

F3 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.

F5 · derivative.exercise_date: The RSUs vested in full on May 29, 2024, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

F5 · derivative.expiration_date: The RSUs vested in full on May 29, 2024, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 23:45 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 222 $0.00 $0.00
Disclosure

SEC source: 0001781162-24-000019 · wk-form4_1730850301.xml · derivative · entry 4

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 222 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.

F3 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.

F4 · derivative.exercise_date: The RSUs vested in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

F4 · derivative.expiration_date: The RSUs vested in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 23:45 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 2,400 $0.00 $0.00
Disclosure

SEC source: 0001781162-24-000019 · wk-form4_1730850301.xml · nonDerivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,404

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 · balance_after: Reflects a 1-for-50 reverse stock split that was effected by Momentus Inc. on August 23, 2023.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 23:45 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 222 $0.00 $0.00
Disclosure

SEC source: 0001781162-24-000019 · wk-form4_1730850301.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,004

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 · balance_after: Reflects a 1-for-50 reverse stock split that was effected by Momentus Inc. on August 23, 2023.

Read SEC document
December 01, 2023 Filed Dec 5, 2023 21:44 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 400 $2.60 $1,040.00
Disclosure

SEC source: 0001781162-23-000064 · wk-form4_1701812641.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,782

Read SEC document
November 01, 2023 Filed Nov 3, 2023 20:46 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 400 $3.50 $1,400.00
Disclosure

SEC source: 0001781162-23-000054 · wk-form4_1699044393.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,182

Read SEC document
October 02, 2023 Filed Oct 4, 2023 20:25 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 400 $2.17 $868.28
Disclosure

SEC source: 0001781162-23-000053 · wf-form4_169645109130250.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,582

F1 · price: This transaction was executed in multiple trades at prices ranging from $2.11 to $2.21. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
September 01, 2023 Filed Sep 6, 2023 21:09 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 400 $10.95 $4,381.08
Disclosure

SEC source: 0001781162-23-000052 · wf-form4_169403456299843.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,982

F1 · price: This transaction was executed in multiple trades at prices ranging from $10.76 to $11.02. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · balance_after: Reflects a 1-for-50 reverse stock split that was effected by Momentus Inc. on August 23, 2023.

Read SEC document
August 12, 2023 Filed Aug 16, 2023 01:57 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 11,111 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-23-000049 · wf-form4_169215103565275.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,111

Underlying: Class A Common Stock · 11,111 shares

Expires 2024-08-12

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 · derivative.exercise_price: The RSUs will vest in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

F2 · derivative.exercise_date: The RSUs will vest in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

Read SEC document
August 12, 2023 Filed Aug 16, 2023 01:57 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 11,111 $0.00 $0.00
Disclosure

SEC source: 0001781162-23-000049 · wf-form4_169215103565275.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,141

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
August 01, 2023 Filed Aug 2, 2023 21:46 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.42 $8,410.00
Disclosure

SEC source: 0001781162-23-000036 · wf-form4_169101278991670.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,030

F1 · price: This transaction was executed in multiple trades at prices ranging from $0.41 to 0.435. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
July 03, 2023 Filed Jul 5, 2023 20:14 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.31 $6,272.00
Disclosure

SEC source: 0001781162-23-000035 · wf-form4_168858803582931.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 278,030

F1 · price: This transaction was executed in multiple trades at prices ranging from $0.3101 to $0.3203. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 30, 2023 Filed Jun 2, 2023 01:43 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 86,206 $0.00 $0.00
Disclosure

SEC source: 0001781162-23-000034 · wf-form4_168567017938727.xml · derivative · entry 5

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 86,206 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.

F4 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.

F6 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of June 1, 2023 or the day before the 2023 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

F6 · derivative.expiration_date: The RSUs will vest in full on the earlier to occur of June 1, 2023 or the day before the 2023 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
May 30, 2023 Filed Jun 2, 2023 01:43 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 120,000 $0.00 $0.00
Disclosure

SEC source: 0001781162-23-000034 · wf-form4_168567017938727.xml · derivative · entry 4

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Class A Common Stock · 120,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.

F5 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of May 29, 2024 or the day before the 2024 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

F5 · derivative.expiration_date: The RSUs will vest in full on the earlier to occur of May 29, 2024 or the day before the 2024 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
May 30, 2023 Filed Jun 2, 2023 01:43 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.33 $6,662.00
Disclosure

SEC source: 0001781162-23-000034 · wf-form4_168567017938727.xml · nonDerivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,030

F1 · shares: These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.3205 to $0.3462. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 30, 2023 Filed Jun 2, 2023 01:43 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 86,206 $0.00 $0.00
Disclosure

SEC source: 0001781162-23-000034 · wf-form4_168567017938727.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 318,030

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
May 01, 2023 Filed May 3, 2023 00:49 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.42 $8,360.00
Disclosure

SEC source: 0001781162-23-000025 · wf-form4_168307494766957.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 231,824

F1 · shares: These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.4100 to $0.4516. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
April 04, 2023 Filed Apr 4, 2023 21:45 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 6,097 $0.53 $3,260.68
Disclosure

SEC source: 0001781162-23-000019 · wf-form4_168064470781128.xml · nonDerivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,824

F1 · shares: These shares were sold pursuant to Rule 10b51 trading plan adopted by the Reporting Person.

F3 · price: This transaction was executed in multiple trades at prices ranging from $0.5200 to $0.5510. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
April 03, 2023 Filed Apr 4, 2023 21:45 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 13,903 $0.56 $7,763.44
Disclosure

SEC source: 0001781162-23-000019 · wf-form4_168064470781128.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257,921

F1 · shares: These shares were sold pursuant to Rule 10b51 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.5410 to $0.5777. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
March 01, 2023 Filed Mar 3, 2023 23:20 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.80 $15,928.00
Disclosure

SEC source: 0001781162-23-000011 · wf-form4_167788557544986.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,824

F1 · shares: These shares were sold pursuant to Rule 10b51 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.775 to $0.840. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
February 01, 2023 Filed Feb 3, 2023 20:08 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.91 $18,122.00
Disclosure

SEC source: 0001781162-23-000010 · wf-form4_167545488816763.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,824

F1 · shares: These shares were sold pursuant to Rule 10b51 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.8700 to $0.9443. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
January 03, 2023 Filed Jan 4, 2023 17:14 UTC Momentus Inc. MNTS · Entity 6834 SaleClass A Common Stock 20,000 $0.81 $16,126.00
Disclosure

SEC source: 0001781162-23-000005 · wf-form4_167285247452301.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311,824

F1 · shares: These shares were sold pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $0.7725 to $0.8800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
August 12, 2022 Filed Aug 16, 2022 19:21 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 11,111 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-22-000084 · wf-form4_166067770229821.xml · derivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,222

Underlying: Class A Common Stock · 11,111 shares

Expires 2024-08-12

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 · derivative.exercise_date: The RSUs will vest in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

Read SEC document
August 12, 2022 Filed Aug 16, 2022 19:21 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 11,111 $0.00 $0.00
Disclosure

SEC source: 0001781162-22-000084 · wf-form4_166067770229821.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,968

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
May 31, 2022 Filed Jun 1, 2022 20:40 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 86,206 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-22-000065 · wf-form4_165411599221325.xml · derivative · entry 4

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,206

Underlying: Class A Common Stock · 86,206 shares

Expires 2023-05-31

F3 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of June 1, 2023 or the day before the 2023 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
May 30, 2022 Filed Jun 1, 2022 20:40 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionRestricted Stock Units · Derivative 17,857 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-22-000065 · wf-form4_165411599221325.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 17,857 shares

Expires 2022-06-01

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 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of June 1, 2022 or the day before the 2022 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
May 30, 2022 Filed Jun 1, 2022 20:40 UTC Momentus Inc. MNTS · Entity 6834 Exercise / conversionClass A Common Stock 17,857 $0.00 $0.00
Disclosure

SEC source: 0001781162-22-000065 · wf-form4_165411599221325.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,857

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.

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October 18, 2021 Filed Oct 20, 2021 21:22 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 17,857 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-21-000014 · wf-form4_163476494042483.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,857

Underlying: Class A Common Stock · 17,857 shares

Expires 2022-06-01

F3 · derivative.exercise_date: The RSUs will vest in full on the earlier to occur of June 1, 2022 or the day before the 2022 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

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October 18, 2021 Filed Oct 20, 2021 21:22 UTC Momentus Inc. MNTS · Entity 6834 GrantRestricted Stock Units · Derivative 33,333 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001781162-21-000014 · wf-form4_163476494042483.xml · derivative · entry 2

Kabot Brian · CIK 0001786113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,333

Underlying: Class A Common Stock · 33,333 shares

Expires 2024-08-12

F2 · derivative.exercise_date: The RSUs will vest in three equal annual installments on the first, second and third anniversaries of August 12, 2021, subject to the Reporting Person's continued service as a member of the Board of Directors through each vesting date.

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August 12, 2021 Filed Aug 16, 2021 20:14 UTC Momentus Inc. SRACU · Entity 6834 ConversionClass B Common Stock · Derivative 3,886,029 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-21-043001 · ownership.xml · derivative · entry 3

Kabot Brian · CIK 0001786113 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,886,029 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.

F1 · derivative.exercise_price: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · kind: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · price: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · derivative.exercise_date: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · derivative.expiration_date: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · derivative.underlying_shares: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · balance_after: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F2 · ownership.direct: Brian Kabot, Juan Manuel Quiroga and Edward Freedman are the managers of SRC-NI Holdings LLC (the "Sponsor") and have voting and investment discretion with respect to the securities held by the Sponsor. As such, each of them may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

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August 12, 2021 Filed Aug 16, 2021 20:14 UTC Momentus Inc. SRACU · Entity 6834 OtherClass B Common Stock · Derivative 250,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-21-043001 · ownership.xml · derivative · entry 2

Kabot Brian · CIK 0001786113 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,886,029

Underlying: Class A Common Stock · 250,000 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents shares of Class B common stock relinquished and forfeited upon the closing of the Business Combination pursuant to a settlement agreement with the Securities and Exchange Commission.

F3 · kind: Represents shares of Class B common stock relinquished and forfeited upon the closing of the Business Combination pursuant to a settlement agreement with the Securities and Exchange Commission.

F3 · price: Represents shares of Class B common stock relinquished and forfeited upon the closing of the Business Combination pursuant to a settlement agreement with the Securities and Exchange Commission.

F1 · derivative.exercise_date: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · derivative.expiration_date: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F2 · ownership.direct: Brian Kabot, Juan Manuel Quiroga and Edward Freedman are the managers of SRC-NI Holdings LLC (the "Sponsor") and have voting and investment discretion with respect to the securities held by the Sponsor. As such, each of them may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

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August 12, 2021 Filed Aug 16, 2021 20:14 UTC Momentus Inc. SRACU · Entity 6834 ConversionClass A Common Stock 3,886,029 $0.00 $0.00
Disclosure

SEC source: 0001213900-21-043001 · ownership.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,381,029

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: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · shares: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F1 · price: As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock.

F2 · ownership.direct: Brian Kabot, Juan Manuel Quiroga and Edward Freedman are the managers of SRC-NI Holdings LLC (the "Sponsor") and have voting and investment discretion with respect to the securities held by the Sponsor. As such, each of them may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

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October 07, 2020 Filed Oct 9, 2020 21:52 UTC Momentus Inc. SRACU · Entity 6834 OtherClass B Common Stock · Derivative 176,471 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-20-030873 · ownership.xml · derivative · entry 1

Kabot Brian · CIK 0001786113 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,136,029

Underlying: Class A Common Stock · 176,471 shares

Expires not disclosed

F1 · derivative.exercise_price: These shares represent Class B common stock held by SRC-NI Holdings, LLC (the "Sponsor") that were transferred from Sponsor to SRAC PIPE Partners LLC (the "Recipient") pursuant to a transfer agreement entered into on October 7, 2020, by and between the Sponsor and the Recipient for no consideration.

F1 · kind: These shares represent Class B common stock held by SRC-NI Holdings, LLC (the "Sponsor") that were transferred from Sponsor to SRAC PIPE Partners LLC (the "Recipient") pursuant to a transfer agreement entered into on October 7, 2020, by and between the Sponsor and the Recipient for no consideration.

F1 · price: These shares represent Class B common stock held by SRC-NI Holdings, LLC (the "Sponsor") that were transferred from Sponsor to SRAC PIPE Partners LLC (the "Recipient") pursuant to a transfer agreement entered into on October 7, 2020, by and between the Sponsor and the Recipient for no consideration.

F2 · derivative.exercise_date: As described in the registrant's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date.

F2 · derivative.expiration_date: As described in the registrant's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date.

F2 · derivative.underlying_shares: As described in the registrant's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date.

F3 · ownership.direct: Brian Kabot, the Chief Executive Officer and Chairman of the registrant, Juan Manuel Quiroga, the Chief Investment Officer and Secretary of the registrant, and Edward Freedman, are the managers of the Sponsor and have voting and investment discretion with respect to the securities held by the Sponsor. As such, the reporting person may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · ownership.nature: Brian Kabot, the Chief Executive Officer and Chairman of the registrant, Juan Manuel Quiroga, the Chief Investment Officer and Secretary of the registrant, and Edward Freedman, are the managers of the Sponsor and have voting and investment discretion with respect to the securities held by the Sponsor. As such, the reporting person may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

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November 13, 2019 Filed Nov 15, 2019 21:38 UTC Momentus Inc. SRACU · Entity 6834 PurchaseClass A Common Stock 495,000 $10.00 $4,950,000.00
Disclosure

SEC source: 0001213900-19-023741 · ownership.xml · nonDerivative · entry 1

Kabot Brian · CIK 0001786113 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 495,000

F1 · shares: These shares are underlying units (each unit consisting of one share of Class A common stock and one-half of one warrant, each whole warrant exercisable to purchase one share of Class A common stock) held by SRC-NI Holdings, LLC (the "Sponsor"), acquired pursuant to a unit subscription agreement by and between the Sponsor and the registrant. Does not include 4,312,500 shares of Class B common stock, which shares will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis subject to certain adjustments.

F1 · balance_after: These shares are underlying units (each unit consisting of one share of Class A common stock and one-half of one warrant, each whole warrant exercisable to purchase one share of Class A common stock) held by SRC-NI Holdings, LLC (the "Sponsor"), acquired pursuant to a unit subscription agreement by and between the Sponsor and the registrant. Does not include 4,312,500 shares of Class B common stock, which shares will automatically convert into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis subject to certain adjustments.

F2 · ownership.nature: Brian Kabot, the Chief Executive Officer and Chairman of the registrant, Juan Manuel Quiroga, the Chief Investment Officer and Secretary of the registrant, and Edward Freedman, are the managers of the Sponsor and have voting and investment discretion with respect to the securities held by the Sponsor. As such, the reporting person may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

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