Filer Snapshot

Steven Tannenbaum

CIK 0001121942. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

33

Latest Filing

26 Mar 2026

Industry

n/a

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  • Open 13D/G or insider pages only when this CIK has those rows.
Source: SEC Forms 3/4/5

3 filed on 26 Mar 2026 for CIK 0001121942.

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Business address
222 Berkeley St., 17 Th Floor, Boston, MA, 02116

Filer intelligence

What SEC filings say about Steven Tannenbaum

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

Quick read

  • Forms 3/4/5 show insider context for IPFX.

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 2 rows

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

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Forms 3/4/5 insider context

IPFX

26 Mar 2026

MAYA

11 Sep 2025

Latest update

What changed recently for Steven Tannenbaum

Ownership report updated

Latest ownership report period: 26 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

26 Mar 2026

Page type

Ownership filings

Latest period

26 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 26 Mar 2026.

SEC filing record

CIK 0001121942 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
33
First seen
17 Aug 2000
Latest filing
26 Mar 2026
Entity
Individual

Observed form types

3 SC 13G 4 SC 13D SC 13G/A 13F-HR/A 13F-HR

Latest Filings

Recent SEC filings for Steven Tannenbaum with direct links to document and filing folders.

3 File 001-43212

3 filing

Filing date
26 Mar 2026
Reporting date
26 Mar 2026
SEC evidence
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3 File 001-42518

3 filing

Filing date
25 Sep 2025
Reporting date
11 Sep 2025
SEC evidence
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SC 13G

SC 13G

Filing date
30 Dec 2011
Reporting date
Not listed
SEC evidence
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SC 13G

SC 13G

Filing date
23 Nov 2011
Reporting date
Not listed
SEC evidence
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4 File 001-33507

4

Filing date
08 Sep 2011
Reporting date
06 Sep 2011
SEC evidence
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SC 13D

SC 13D

Filing date
01 Aug 2011
Reporting date
Not listed
SEC evidence
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4 File 001-31309

4

Filing date
25 Jul 2011
Reporting date
21 Jul 2011
SEC evidence
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SC 13G/A

SC 13G/A

Filing date
11 Feb 2011
Reporting date
Not listed
SEC evidence
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SC 13G/A

SC 13G/A

Filing date
19 Nov 2010
Reporting date
Not listed
SEC evidence
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4 File 001-33507

4

Filing date
18 Nov 2010
Reporting date
16 Nov 2010
SEC evidence
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3 File 001-33507

3

Filing date
18 Nov 2010
Reporting date
16 Nov 2010
SEC evidence
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SC 13G/A

SC 13G/A

Filing date
12 Feb 2010
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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