Filer Snapshot

Michael M. Brown

CIK 0001354614. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

9

Latest filing

13 Jul 2023

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: Forms 3/4/5 owner position for BRZE. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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No recent parsed 13D/G stake row for this CIK.

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Source: SEC Forms 3/4/5

4 filed on 13 Jul 2023 for CIK 0001354614.

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Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Parsed SEC ownership signals

Parsed SEC ownership coverage

These bars compare filing-backed value available in each disclosure family. Read them as separate lenses, not as one combined ownership total.

Forms 3/4/5 positions$1.44B

Reporting-owner positions with enough filing detail to estimate value.

Forms 3/4/5 position value

3/4/5
$1.44B

Estimated from parsed Forms 3/4/5 when filings include enough share and price data.

Largest linked holdings

Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 records.

BRZE TTAN CXM AMPL
How to read these SEC ownership signals
  • Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different SEC disclosure questions.
  • Open the linked research path when you need the filing, CIK, issuer, or CUSIP trail behind a value.
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
One Marina Park Drive, Suite 1100, Boston, MA, 02210

Filer intelligence

What SEC filings say about Michael M. Brown

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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Quick read

  • Forms 3/4/5 show insider context for BRZE worth $785.75M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 4 rows

Officer, director, and 10% owner holdings or transactions.

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Forms 3/4/5 insider context

BRZE

08 Dec 2023 · 10% owner

$785.75M
Issuer page Owner page

TTAN

18 Jun 2025

$490.02M
Issuer page Owner page

CXM

11 Jul 2023 · 10% owner

$162.63M
Issuer page Owner page

AMPL

31 Dec 2022 · 10% owner

$430.6K
Issuer page Owner page

Latest update

What changed recently for Michael M. Brown

Ownership report updated

Latest ownership report period: 18 Jun 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

23 Jun 2025

Page type

Ownership filings

Latest period

18 Jun 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 23 Jun 2025.

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SEC filing record

CIK 0001354614 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
9
First seen
21 Sep 2021
Latest filing
13 Jul 2023
Entity
Individual

Observed form types

3 4 5

CIK-linked evidence first

Michael M. Brown SEC filings Michael M. Brown owner filings Open SEC filing index

Latest Filings

Showing the latest 9 of 9 SEC filings for Michael M. Brown.

4

4 filing

Filing date
13 Jul 2023
Reporting date
11 Jul 2023
SEC evidence
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4

4 filing

Filing date
03 Jul 2023
Reporting date
29 Jun 2023
SEC evidence
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4

4 filing

Filing date
21 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
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4

4 filing

Filing date
14 Apr 2023
Reporting date
13 Apr 2023
SEC evidence
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5

5 filing

Filing date
14 Feb 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
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4

4 filing

Filing date
01 Apr 2022
Reporting date
30 Mar 2022
SEC evidence
Open document Open filing
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4

4 filing

Filing date
23 Nov 2021
Reporting date
19 Nov 2021
SEC evidence
Open document Open filing
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3

3 filing

Filing date
16 Nov 2021
Reporting date
16 Nov 2021
SEC evidence
Open document Open filing
Next action
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3

3 filing

Filing date
21 Sep 2021
Reporting date
21 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
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