Filer Snapshot

Mark L. Baum

CIK 0001274282. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

7

Latest filing

07 Apr 2025

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13D/G stake for HROW. 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

HROW

03 Apr 2025 · 11% ownership

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Source: SEC Schedule 13D/G

SCHEDULE 13D/A filed on 07 Apr 2025 for CIK 0001274282.

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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$90.48M

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

Forms 3/4/5 position value

3/4/5
$90.48M

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.

HROW

Largest active 13D stakes

Active large-stake positions disclosed in parsed Schedule 13D filings.

HROW
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 Imprimis Pharmaceuticals, Inc, 12264 El Camino Real, Suite 350, San Diego, CA, 92130

Filer intelligence

What SEC filings say about Mark L. Baum

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 HROW at 11% ownership.
  • Forms 3/4/5 show insider context for HROW worth $90.48M.

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

HROW

03 Apr 2025 · Common Stock, $0.001 par value per share

11%
Issuer page 13D/G history

Forms 3/4/5 insider context

HROW

14 May 2026 · CHIEF EXECUTIVE OFFICER

$90.48M
Issuer page Owner page

Latest update

What changed recently for Mark L. Baum

Ownership report updated

Latest ownership report period: 14 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 May 2026

Page type

Ownership filings

Latest period

14 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 May 2026.

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SEC filing record

CIK 0001274282 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
7
First seen
23 Jul 2021
Latest filing
07 Apr 2025
Entity
Individual

Observed form types

4 SCHEDULE 13D/A

CIK-linked evidence first

Mark L. Baum SEC filings Mark L. Baum 13D/G history Mark L. Baum owner filings Open SEC filing index

Latest Filings

Showing the latest 7 of 7 SEC filings for Mark L. Baum.

SCHEDULE 13D/A

SCHEDULE 13D/A filing

Filing date
07 Apr 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
20 Jul 2023
Reporting date
18 Jul 2023
SEC evidence
Open document Open filing
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4

4 filing

Filing date
04 Apr 2023
Reporting date
03 Apr 2023
SEC evidence
Open document Open filing
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4

4 filing

Filing date
03 Jan 2023
Reporting date
02 Jan 2023
SEC evidence
Open document Open filing
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4

4 filing

Filing date
23 Dec 2022
Reporting date
22 Dec 2022
SEC evidence
Open document Open filing
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4

4 filing

Filing date
21 Jan 2022
Reporting date
20 Jan 2022
SEC evidence
Open document Open filing
Next action
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4

4 filing

Filing date
23 Jul 2021
Reporting date
23 Jul 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
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