Filer Snapshot

Steven D. Heinemann

CIK 0001431926. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

43

Latest filing

10 Feb 2026

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13D/G stake for NTIP. 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

NTIP

31 Dec 2025 · 5.9% ownership

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Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 10 Feb 2026 for CIK 0001431926.

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Identity
Business address
C/O Goose Hill Capital, 546 Fifth Avenue, 14 Th Floor, New York, NY, 10036
SEC ownership signals
Parsed ownership coverage

Form 3/4/5 holdings value

$8.29M

Estimated from parsed insider ownership filings when values are available.

Top disclosed positions
NTIP
Schedule 13G stakes
NTIP

Filer intelligence

What SEC filings say about Steven D. Heinemann

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 NTIP at 5.9% ownership.
  • Forms 3/4/5 show insider context for NTIP worth $8.29M.

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

NTIP

31 Dec 2025 · Common Stock, par value $0.01 per share

5.9%
Issuer page 13D/G history

Forms 3/4/5 insider context

NTIP

27 Jul 2021 · 10% owner

$8.29M
Issuer page Owner page

Latest update

What changed recently for Steven D. Heinemann

New filing available

Latest Schedule 13D/G period: 31 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

10 Feb 2026

Page type

Filer profile

Latest period

31 Dec 2025

Schedule 13D/G context is visible from filings filed on 10 Feb 2026.

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SEC filing record

CIK 0001431926 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
43
First seen
10 Apr 2008
Latest filing
10 Feb 2026
Entity
Individual

Observed form types

SCHEDULE 13G/A SC 13G/A 4 3 SC 13G

Primary evidence

Open SEC filing index Steven D. Heinemann SEC filings Steven D. Heinemann 13D/G history Steven D. Heinemann owner filings

Latest Filings

Showing the latest 12 of 42 SEC filings for Steven D. Heinemann.

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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
10 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
07 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13G/A

AMENDMENT NO. 11

Filing date
29 Jan 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A

AMENDMENT 10

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
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SC 13G/A

SCHEDULE 13G AMENDMENT 9

Filing date
04 Feb 2022
Reporting date
Not listed
SEC evidence
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4 File 001-15288

FORM 4

Filing date
29 Jul 2021
Reporting date
27 Jul 2021
SEC evidence
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4 File 001-15288

FORM 4

Filing date
22 Apr 2021
Reporting date
20 Apr 2021
SEC evidence
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4 File 001-15288

FORM 4

Filing date
29 Mar 2021
Reporting date
25 Mar 2021
SEC evidence
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4 File 001-15288

FORM 4

Filing date
17 Feb 2021
Reporting date
12 Feb 2021
SEC evidence
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SC 13G/A

S. HEINEMANN/NETWORK 1 SCHEDULE 13G AMENDMENT NO. 8

Filing date
03 Feb 2021
Reporting date
Not listed
SEC evidence
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4 File 001-15288

FORM 4

Filing date
28 Dec 2020
Reporting date
22 Dec 2020
SEC evidence
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4 File 001-15288

FORM 4

Filing date
09 Dec 2020
Reporting date
07 Dec 2020
SEC evidence
Open document Open filing
Next action
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