Entity type
Individual
Filer Snapshot
Stuart Feldman
CIK 0001237237. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
5
Latest filing
14 May 2026
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for MRVI. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
MRVI
31 Mar 2026 · 7.1% ownership
Open 13D/GInsider / owner context
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No parsed Forms 3/4/5 owner position for this CIK.
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Source: SEC Schedule 13D/G
View source filing
SCHEDULE 13G/A filed on 14 May 2026 for CIK 0001237237.
- Parsed SEC ownership signals
-
Largest active 13G stakes
Passive or institutional large-stake positions disclosed in parsed Schedule 13G filings.
MRVI MURAHow 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.
- Business address
- 712 Fifth Ave 45 Th Fl, New York, NY, 10019
Ownership signals
CIK-linked ownership evidence from parsed SEC filings.
1 signal
At a glance
Names, identifiers, and filing context for this profile.
1 identity field
Filer intelligence
What SEC filings say about Stuart Feldman
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
- 2 recent 13D/G stake rows found; top row is MRVI at 7.1% ownership.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
MRVI
31 Mar 2026 · Class A Common Stock, par value $0.01 per share
MURA
16 Apr 2025 · Ordinary Shares
Latest update
What changed recently for Stuart Feldman
Latest Schedule 13D/G period: 31 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
14 May 2026
Page type
Filer profile
Latest period
31 Mar 2026
Schedule 13D/G context is visible from filings filed on 14 May 2026.
SEC filing record
CIK 0001237237 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
5
First seen
14 May 2025
Latest filing
14 May 2026
Entity
Individual
Observed form types
SCHEDULE 13G
SCHEDULE 13G/A
CIK-linked evidence first
Latest Filings
Showing the latest 5 of 5 SEC filings for Stuart Feldman.
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 14 May 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 13 Feb 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G/A
SCHEDULE 13G/A filing
- Filing date
- 14 Nov 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G
SCHEDULE 13G filing
- Filing date
- 29 May 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13G
SCHEDULE 13G filing
- Filing date
- 14 May 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing