Filer Snapshot

David D. Chang

CIK 0001611024. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

12

Latest filing

13 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 ALLO. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

—

Populates from the latest parsed 13F information table.

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13D/G large stake

ALLO

31 Mar 2026 · 4.9% ownership

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Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 13 May 2026 for CIK 0001611024.

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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$15.47M

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

Forms 3/4/5 position value

3/4/5
$15.47M

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.

ALLO

Largest active 13G stakes

Passive or institutional large-stake positions disclosed in parsed Schedule 13G filings.

ALLO
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
C/O Allogene Therapeutics, Inc., 210 East Grand Avenue, South San Francisco, CA, 94080

Filer intelligence

What SEC filings say about David D. Chang

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

  • 1 recent 13D/G stake row found; top row is ALLO at 4.9% ownership.
  • Forms 3/4/5 show insider context for ALLO worth $15.47M.

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 1 rows

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 1 rows

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

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13D/G large-stake context

ALLO

31 Mar 2026 · Common Stock

4.9%
Issuer page 13D/G history

Forms 3/4/5 insider context

ALLO

16 Mar 2026 · President and CEO

$15.47M
Issuer page Owner page

Latest update

What changed recently for David D. Chang

New filing available

Latest Schedule 13D/G period: 31 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 May 2026

Page type

Filer profile

Latest period

31 Mar 2026

Schedule 13D/G context is visible from filings filed on 13 May 2026.

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SEC filing record

CIK 0001611024 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
12
First seen
26 May 2021
Latest filing
13 May 2026
Entity
Individual

Observed form types

4 SCHEDULE 13G SCHEDULE 13G/A

CIK-linked evidence first

David D. Chang SEC filings David D. Chang 13D/G history David D. Chang owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 12 SEC filings for David D. Chang.

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
13 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
13 Feb 2026
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
04 Feb 2026
Reporting date
02 Feb 2026
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
12 Nov 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
08 Aug 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
09 May 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
13 Feb 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
24 Mar 2023
Reporting date
22 Mar 2023
SEC evidence
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4

4 filing

Filing date
16 Mar 2023
Reporting date
14 Mar 2023
SEC evidence
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4

4 filing

Filing date
25 Mar 2022
Reporting date
23 Mar 2022
SEC evidence
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4

4 filing

Filing date
17 Mar 2022
Reporting date
15 Mar 2022
SEC evidence
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4

4 filing

Filing date
26 May 2021
Reporting date
24 May 2021
SEC evidence
Open document Open filing
Next action
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