Filer Snapshot

Minerva Advisors LLC

CIK 0001541536. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

204

Latest Filing

12 May 2026

Industry

n/a

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  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open 13F portfolio
Source: SEC Form 13F

13F-HR filed on 12 May 2026 for CIK 0001541536.

View Source Filing
Business address
50 Monument Road, Suite 201, Bala Cynwyd, PA, 19004
Top securities (13F)
GLDD, TG, INFU, EML, ESCA, VIRC, DLHC, SIF, UTMD, NVGS, SSP, ATRO, KEQU, UFI, CAC, PBHC, CRDB, RAIL, FSTR, and KELYA
Top holdings (Schedule 13G)
USAP, INFU, EML, VIRC, NUVR, DLHC, UFI, PBHC, SIF, GOVB, and SNNF

Filer intelligence

What SEC filings say about Minerva Advisors LLC

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

  • Latest parsed 13F shows $154.91M across 48 reported holdings for Q1 2026.
  • Largest parsed 13F holding: GLDD at $17.5M.
  • 5 recent 13D/G stake rows found; top row is NUVR at 12% ownership.

SEC source mix

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

XML parsed
13F portfolio 48 rows

Quarterly institutional portfolio holdings.

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13D/G stakes 5 rows

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 No rows yet

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

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Top parsed 13F holdings

Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.

Q1 2026 - 12 May 2026

GLDD

11.3%

Great Lakes Dredge & Dock Co

$17.5M

TG

8.5%

Tredegar Corp

$13.24M

INFU

7.2%

Infusystem Hldgs Inc

$11.11M

EML

7.1%

Eastern Co

$11.06M

ESCA

6.3%

Escalade Inc

$9.75M

13D/G large-stake context

NUVR

31 Dec 2025 · Common Stock, $1.66 Par value

12%
Issuer page 13D/G history

VIRC

31 Dec 2025 · Common Stock $.01 par value

9.2%
Issuer page 13D/G history

EML

31 Dec 2025 · Common Stock, No par value

8.8%
Issuer page 13D/G history

SIF

31 Dec 2025 · Common Shares, $1.00 par value

7.9%
Issuer page 13D/G history

Latest update

What changed recently for Minerva Advisors LLC

New filing available

Latest 13F period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 May 2026

Page type

Filer profile

Latest period

Q1 2026

Institutional portfolio context was refreshed from a 13F filing filed on 12 May 2026.

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Benchmark Context

Benchmark context for this company

Minerva Advisors LLC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest 13F period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Filer Overview

Minerva Advisors LLC has filed 204 SEC EDGAR filings since 09 Feb 2012. Common forms include 13F-HR, SCHEDULE 13G/A, SCHEDULE 13G, N-PX and more.

Minerva Advisors LLC SEC filings Minerva Advisors LLC 13F portfolio Minerva Advisors LLC 13D/G history

Latest Filings

Recent SEC filings for Minerva Advisors LLC with direct links to document and filing folders.

13F-HR File 028-14665

13F-HR filing

Filing date
12 May 2026
Reporting date
31 Mar 2026
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
Not listed
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

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

SCHEDULE 13G/A filing

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

SCHEDULE 13G/A filing

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

SCHEDULE 13G/A filing

Filing date
13 Feb 2026
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
09 Feb 2026
Reporting date
31 Dec 2025
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
03 Dec 2025
Reporting date
Not listed
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
20 Nov 2025
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Nov 2025
Reporting date
30 Sep 2025
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
12 Nov 2025
Reporting date
Not listed
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N-PX File 028-14665

N-PX filing

Filing date
18 Aug 2025
Reporting date
30 Jun 2025
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13F-HR File 028-14665

13F-HR filing

Filing date
13 Aug 2025
Reporting date
30 Jun 2025
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
06 Jun 2025
Reporting date
Not listed
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
09 May 2025
Reporting date
31 Mar 2025
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13F-HR File 028-14665

13F-HR filing

Filing date
08 May 2025
Reporting date
31 Mar 2025
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
11 Apr 2025
Reporting date
Not listed
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
05 Feb 2025
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
04 Feb 2025
Reporting date
31 Dec 2024
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13F-HR File 028-14665

13F-HR filing

Filing date
08 Nov 2024
Reporting date
30 Sep 2024
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SC 13G/A

MINERVA 13GA4 KEWAUNEE

Filing date
01 Nov 2024
Reporting date
Not listed
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SC 13G

MINERVA 13G DLH HOLDINGS

Filing date
17 Oct 2024
Reporting date
Not listed
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N-PX File 028-14665

N-PX filing

Filing date
26 Aug 2024
Reporting date
30 Jun 2024
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Aug 2024
Reporting date
30 Jun 2024
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13F-HR File 028-14665

13F-HR filing

Filing date
14 May 2024
Reporting date
31 Mar 2024
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SC 13G/A

MINERVA 13GA12 VIRCO

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA6 PATHFINDER

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA5 UNIVERSAL STAINLESS

Filing date
09 Feb 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A

MINERVA 13GA5 INRAD

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA3 SIFCO

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA3 KEWAUNEE

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA4 NUVERA

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA8 EASTERN CO

Filing date
09 Feb 2024
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
09 Feb 2024
Reporting date
31 Dec 2023
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
31 Jan 2024
Reporting date
30 Sep 2023
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
31 Jan 2024
Reporting date
30 Jun 2023
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
31 Jan 2024
Reporting date
31 Mar 2023
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
31 Jan 2024
Reporting date
31 Dec 2022
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
09 Jan 2024
Reporting date
Not listed
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
16 Nov 2023
Reporting date
30 Sep 2023
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13F-HR File 028-14665

13F-HR filing

Filing date
13 Nov 2023
Reporting date
30 Sep 2023
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13F-HR File 028-14665

13F-HR filing

Filing date
10 Aug 2023
Reporting date
30 Jun 2023
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13F-HR File 028-14665

13F-HR filing

Filing date
15 May 2023
Reporting date
31 Mar 2023
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SC 13G/A

WILLIAMS 13G-A3

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

VIRCO 13GA11

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

UNIVERSAL STAINLESS 13GA4

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

EASTERN CO 13GA7

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

COMPUTER TASK 13G-A7 MINERVA

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

PATHFINDER 13GA5 MINERVA

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

INRAD 13GA4 MINERVA

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

NUVERA 13GA3 MINERVA

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

KEWAUNEE 13GA2 MINERVA

Filing date
14 Feb 2023
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
13 Feb 2023
Reporting date
31 Dec 2022
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13F-HR File 028-14665

13F-HR filing

Filing date
10 Nov 2022
Reporting date
30 Sep 2022
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Aug 2022
Reporting date
30 Jun 2022
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
12 May 2022
Reporting date
31 Mar 2022
SEC evidence
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SC 13G/A

MINERVA 13GA2 WILLIAMS

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA10 VIRCO

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA3 UNIVERSAL STAINLESS

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA2 SIFCO

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA3 PATRIOT TRANPORTATION

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA4 PATHFINDER

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA2 NUVERA

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA1 KEWAUNEE

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA6 EASTERN CO

Filing date
14 Feb 2022
Reporting date
Not listed
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SC 13G/A

MINERVA 13GA6 COMPUTER TASK GROUP

Filing date
14 Feb 2022
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
14 Feb 2022
Reporting date
31 Dec 2021
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Nov 2021
Reporting date
30 Sep 2021
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
11 Aug 2021
Reporting date
30 Jun 2021
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SC 13G

MINERVA 13G KEWAUNEE

Filing date
09 Jun 2021
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
12 May 2021
Reporting date
31 Mar 2021
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
16 Feb 2021
Reporting date
31 Dec 2020
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SC 13G/A

WILLIAMS 13G A1 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

VIRCO 13G-A9 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

UNIVERSAL STAINLESS 13G-A2 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

SIFCO 13G A1 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

PATRIOT TRANSPORTATION 13G A2 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

PATHFINDER 13G A3 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

NUVERA 13G A1 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

INRAD 13GA3 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

EASTERN CO 13G A5 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

COMPUTER TASK 13GA5 MINERVA

Filing date
09 Feb 2021
Reporting date
Not listed
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SC 13G/A

INFUSYSTEM 13G-A3 MINERVA

Filing date
05 Feb 2021
Reporting date
Not listed
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SC 13G

MINERVA - 13G NUVERA

Filing date
01 Dec 2020
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Nov 2020
Reporting date
30 Sep 2020
SEC evidence
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3 File 001-08443

PRIMARY DOCUMENT

Filing date
26 Oct 2020
Reporting date
06 Oct 2020
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Aug 2020
Reporting date
30 Jun 2020
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SC 13G

MINERVA - SIFCO 13G

Filing date
18 May 2020
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
14 May 2020
Reporting date
31 Mar 2020
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SC 13D/A

MINERVA - AH BELO 13DA1

Filing date
28 Apr 2020
Reporting date
Not listed
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SC 13G

MINERVA - WILLIAMS 13G

Filing date
01 Apr 2020
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
14 Feb 2020
Reporting date
31 Dec 2019
SEC evidence
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SC 13G/A

VIRCO MFG CORP 13GA8

Filing date
14 Feb 2020
Reporting date
Not listed
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SC 13G/A

UNIVERSAL STAINLESS 13GA1

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

TRANSCAT 13GA4

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

TELOS 13GA5

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

PATRIOT TRANSPORTATION 13GA1

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

PATHFINDER 13GA2

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

INRAD OPTICS 13GA2

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

INFUSYSTEM 13GA2

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

FORBES ENERGY 13GA2

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

EASTERN CO 13GA4

Filing date
13 Feb 2020
Reporting date
Not listed
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SC 13G/A

COMPUTER TASK GROUP

Filing date
13 Feb 2020
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
14 Nov 2019
Reporting date
30 Sep 2019
SEC evidence
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SC 13G

MINERVA - UNIVERSAL STAINLESS 13G

Filing date
16 Sep 2019
Reporting date
Not listed
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13F-HR File 028-14665

13F-HR filing

Filing date
01 Aug 2019
Reporting date
30 Jun 2019
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
15 May 2019
Reporting date
31 Mar 2019
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SC 13D

MINERVA - AH BELO CORP 13D

Filing date
24 Apr 2019
Reporting date
Not listed
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SC 13G

MINERVA - ECOLOGY 13G

Filing date
04 Apr 2019
Reporting date
Not listed
SEC evidence
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SC 13G

MINERVA - PATRIOT TRANSPORTATION 13G

Filing date
14 Feb 2019
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
06 Feb 2019
Reporting date
31 Dec 2018
SEC evidence
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SC 13G/A

MINERVA - AH BELO 13G A1

Filing date
31 Jan 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A

MINERVA - COMPUTER TASK GROUP 13G A3

Filing date
31 Jan 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A

MINERVA - FORBES ENERGY 13G A1

Filing date
31 Jan 2019
Reporting date
Not listed
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SC 13G/A

MINERVA - PATHFINDER BANCORP 13G A1

Filing date
31 Jan 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A

MINERVA - VIRCO 13G A7

Filing date
31 Jan 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A

MINERVA - TRANSCAT 13GA3

Filing date
31 Jan 2019
Reporting date
Not listed
SEC evidence
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SC 13G

MINERVA - A H BELO 13G

Filing date
31 Dec 2018
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
13 Nov 2018
Reporting date
30 Sep 2018
SEC evidence
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SC 13G

MINERVA - FORBES ENERGY 13G

Filing date
08 Nov 2018
Reporting date
Not listed
SEC evidence
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SC 13G

MINERVA - FORBES ENERGY 13G

Filing date
08 Nov 2018
Reporting date
Not listed
SEC evidence
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SC 13G

MINERVA - PATHFINDER BANCORP 13G

Filing date
05 Nov 2018
Reporting date
Not listed
SEC evidence
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SC 13G/A

INFUSYSTEM 13GA1

Filing date
21 Aug 2018
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
01 Aug 2018
Reporting date
30 Jun 2018
SEC evidence
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SC 13G/A

MINERVA UNIV STAINLESS 13GA3

Filing date
30 Jul 2018
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
10 May 2018
Reporting date
31 Mar 2018
SEC evidence
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SC 13G/A

UNIVERSAL STAINLESS 13G A2 MINERVA

Filing date
13 Feb 2018
Reporting date
Not listed
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SC 13G/A

EASTERN CO 13G A3 MINERVA

Filing date
13 Feb 2018
Reporting date
Not listed
SEC evidence
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SC 13G/A

VIRCO 13G A6 MINERVA

Filing date
13 Feb 2018
Reporting date
Not listed
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SC 13G/A

COMPUTER TASK 13G A2 MINERVA

Filing date
13 Feb 2018
Reporting date
Not listed
SEC evidence
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
02 Feb 2018
Reporting date
31 Dec 2017
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
01 Feb 2018
Reporting date
31 Dec 2017
SEC evidence
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SC 13G/A

MINERVA - RAND LOGISTICS 13G A3

Filing date
17 Nov 2017
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
14 Nov 2017
Reporting date
30 Sep 2017
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
31 Jul 2017
Reporting date
30 Jun 2017
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
11 May 2017
Reporting date
31 Mar 2017
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
09 Feb 2017
Reporting date
31 Dec 2016
SEC evidence
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SC 13G/A

RAND LOGISTICS 13G A2

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
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SC 13G/A

COMPUTER TASK GROUP 13G A1

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
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SC 13G/A

TELOS 13G A4

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A

UNIVERSAL STAINLESS 13GA1

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
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SC 13G/A

EASTERN CO 13G A2

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
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SC 13G/A

VIRCO 13G AM 5

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
14 Nov 2016
Reporting date
30 Sep 2016
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
28 Jul 2016
Reporting date
30 Jun 2016
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
13 May 2016
Reporting date
31 Mar 2016
SEC evidence
Open document Open filing
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SC 13G

COMPUTER TASK GROUP 13G

Filing date
08 Mar 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
11 Feb 2016
Reporting date
31 Dec 2015
SEC evidence
Open document Open filing
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SC 13G/A

INRAD 13G A1

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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SC 13G/A

VIRGO 13G A4

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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SC 13G/A

RAND LOGISTICS 13G A1

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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SC 13G/A

EASTERN CO 13G A1

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A

TELOS 13G A3

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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SC 13G/A

ONVIA 13G AMENDMENT 1

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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SC 13G

UNIVERSAL STAINLESS 13G

Filing date
05 Feb 2016
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Nov 2015
Reporting date
30 Sep 2015
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
30 Jul 2015
Reporting date
30 Jun 2015
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
15 May 2015
Reporting date
31 Mar 2015
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
09 Feb 2015
Reporting date
31 Dec 2014
SEC evidence
Open document Open filing
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SC 13G/A

APCO OIL AND GAS 13G A1

Filing date
26 Jan 2015
Reporting date
Not listed
SEC evidence
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SC 13G/A

VIRCO MFG. CORPORATION 13G A3

Filing date
26 Jan 2015
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G

RAND LOGISTICS, INC. 13G

Filing date
22 Jan 2015
Reporting date
Not listed
SEC evidence
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SC 13D

THE EASTERN COMPANY 13D

Filing date
16 Jan 2015
Reporting date
Not listed
SEC evidence
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13F-HR File 028-14665

13F-HR filing

Filing date
30 Oct 2014
Reporting date
30 Sep 2014
SEC evidence
Open document Open filing
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SC 13G

INRAD OPTICS, INC. 13G

Filing date
25 Aug 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G

APCO OIL AND GAS INTERNATIONAL INC. FORM 13G

Filing date
12 Aug 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
25 Jul 2014
Reporting date
30 Jun 2014
SEC evidence
Open document Open filing
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SC 13G

THE EASTERN COMPANY 13G

Filing date
30 Jun 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-14665

13F-HR filing

Filing date
12 May 2014
Reporting date
31 Mar 2014
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
10 Feb 2014
Reporting date
31 Dec 2013
SEC evidence
Open document Open filing
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SC 13G/A

VIRCO MFG. CORPORATION 13G A2

Filing date
07 Feb 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G

ONVIA, INC. 13G

Filing date
07 Feb 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A

TRANSCAT, INC. 13G A2

Filing date
07 Feb 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A

TELOS CORPORATION 13G A2

Filing date
07 Feb 2014
Reporting date
Not listed
SEC evidence
Open document Open filing
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Nov 2013
Reporting date
30 Sep 2013
SEC evidence
Open document Open filing
Next action
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
02 Aug 2013
Reporting date
30 Jun 2013
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
31 Jul 2013
Reporting date
30 Jun 2013
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
03 May 2013
Reporting date
31 Mar 2013
SEC evidence
Open document Open filing
Next action
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
13 Feb 2013
Reporting date
31 Dec 2012
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
12 Feb 2013
Reporting date
31 Dec 2012
SEC evidence
Open document Open filing
Next action
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SC 13G/A

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
26 Nov 2012
Reporting date
30 Sep 2012
SEC evidence
Open document Open filing
Next action
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13F-HR/A File 028-14665

13F-HR/A filing

Filing date
21 Nov 2012
Reporting date
30 Sep 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-14665

13F-HR filing

Filing date
13 Nov 2012
Reporting date
30 Sep 2012
SEC evidence
Open document Open filing
Next action
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SC 13G

SC 13G filing

Filing date
01 Oct 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
30 Jul 2012
Reporting date
30 Jun 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-14665

13F-HR filing

Filing date
15 May 2012
Reporting date
31 Mar 2012
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
15 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G filing

Filing date
14 Feb 2012
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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13F-HR File 028-14665

13F-HR filing

Filing date
09 Feb 2012
Reporting date
31 Dec 2011
SEC evidence
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About this filer

Minerva Advisors LLC files with the SEC under CIK 0001541536. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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