Filer Snapshot

Dean J. Mitchell

CIK 0001199297. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

28

Latest filing

19 Dec 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 TBPH. 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/A filed on 19 Dec 2023 for CIK 0001199297.

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SEC ownership signals 1 fact
Ownership evidence
  • Filing families stay separate so 13F portfolio value, 13D/G large stakes, and Forms 3/4/5 owner positions are not blended into one misleading total.
  • Use the linked research paths below to verify each signal against its original SEC filing.

Owner filing value

$2.49M

Estimated from parsed Forms 3/4/5 when the filing discloses enough data.

Portfolio positions

Top parsed positions across ownership filing types.

TBPH PGEN PRAX
Identity 1 fact
Address
C/O Bristol Myers Squibb Co, 345 Park Ave, New York, NY, 10164

Filer intelligence

What SEC filings say about Dean J. Mitchell

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 TBPH worth $889.2K.

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 5 rows

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

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Forms 3/4/5 insider context

TBPH

19 May 2025

$889.2K
Issuer page Owner page

PGEN

14 Mar 2024

$844.6K
Issuer page Owner page

PRAX

24 Sep 2025

$759.7K
Issuer page Owner page

IMGN

12 Feb 2024

$0
Issuer page Owner page

Latest update

What changed recently for Dean J. Mitchell

Ownership report updated

Latest ownership report period: 24 Sep 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

25 Sep 2025

Page type

Ownership filings

Latest period

24 Sep 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 25 Sep 2025.

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SEC filing record

CIK 0001199297 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
28
First seen
09 Jun 2021
Latest filing
19 Dec 2023
Entity
Individual

Observed form types

4 4/A

Primary evidence

Open SEC filing index Dean J. Mitchell SEC filings Dean J. Mitchell owner filings

Latest Filings

Showing the latest 12 of 28 SEC filings for Dean J. Mitchell.

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4/A

4/A filing

Filing date
19 Dec 2023
Reporting date
22 Sep 2023
SEC evidence
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4

4 filing

Filing date
26 Sep 2023
Reporting date
22 Sep 2023
SEC evidence
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4

4 filing

Filing date
25 Sep 2023
Reporting date
22 Sep 2023
SEC evidence
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4

4 filing

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

4 filing

Filing date
14 Jun 2023
Reporting date
12 Jun 2023
SEC evidence
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4

4 filing

Filing date
13 Jun 2023
Reporting date
12 Jun 2023
SEC evidence
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4

4 filing

Filing date
04 May 2023
Reporting date
02 May 2023
SEC evidence
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4

4 filing

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

4 filing

Filing date
13 Mar 2023
Reporting date
09 Mar 2023
SEC evidence
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4

4 filing

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

4 filing

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
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4

4 filing

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
Open document Open filing
Next action
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