Filer Snapshot

Mark Alan Goldberg

CIK 0001532475. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

135

Latest filing

21 Jul 2025

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

Largest parsed holding

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

No recent parsed 13D/G stake row for this CIK.

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Source: SEC Forms 3/4/5

4 filed on 21 Jul 2025 for CIK 0001532475.

View Source Filing
Identity 1 fact
Address
128 Spring Street, Suite 520, Lexington, MA, 02421
SEC ownership signals 2 facts
Parsed ownership coverage

Forms 3/4/5 owner value

$109K

Estimated from parsed insider ownership filings when enough data is disclosed.

Filer intelligence

What SEC filings say about Mark Alan Goldberg

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 GLYC worth $109K.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 4 rows

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

Open

Forms 3/4/5 insider context

GLYC

01 May 2024

$109K

BPMC

17 Jul 2025

$0

IMGN

12 Feb 2024

$0

IDRA

23 Jun 2022

Latest update

What changed recently for Mark Alan Goldberg

Ownership report updated

Latest ownership report period: 17 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

21 Jul 2025

Page type

Ownership filings

Latest period

17 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 21 Jul 2025.

SEC filing record

CIK 0001532475 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
135
First seen
10 Nov 2011
Latest filing
21 Jul 2025
Entity
Individual

Latest Filings

Showing the latest 12 of 135 SEC filings for Mark Alan Goldberg.

4 File 001-37359

OWNERSHIP DOCUMENT

Filing date
21 Jul 2025
Reporting date
17 Jul 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37359

4 filing

Filing date
24 Jun 2025
Reporting date
18 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37359

4 filing

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36177

4 filing

Filing date
01 May 2024
Reporting date
01 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36177

4 filing

Filing date
02 Apr 2024
Reporting date
29 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 000-17999

OWNERSHIP DOCUMENT

Filing date
12 Feb 2024
Reporting date
12 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 000-17999

4 filing

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36177

FORM 4 SUBMISSION

Filing date
02 Jan 2024
Reporting date
29 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 000-17999

4 filing

Filing date
01 Nov 2023
Reporting date
30 Oct 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
30 Oct 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36177

FORM 4 SUBMISSION

Filing date
03 Oct 2023
Reporting date
30 Sep 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 000-17999

4 filing

Filing date
02 Oct 2023
Reporting date
29 Sep 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
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