Comparable stake leader
David E. Chymiak
SEC ownership of ADDVANTAGE TECHNOLOGIES GROUP INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000874292.
Disclosed value leader
David E. Chymiak
Comparable rows
0/10
Latest evidence
04 Jan 2024
- Parsed ownership sources
- 3/4/5
- Largest SEC-reported holder
- David E. Chymiak
- Latest parsed ownership date
- 04 Jan 2024
- Issuer CIK
- 0000874292
- Issuer location
- Carrollton, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ADDVANTAGE TECHNOLOGIES GROUP INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
David E. Chymiak
Disclosed value leader
David E. Chymiak
Comparable rows
0/10
Latest evidence
04 Jan 2024
3/4/5
Highest disclosed value: $6,476,085
10 rows are not safely comparable across share classes.
Showing 1-8 of 10 holder rows.
Quick read
David E. Chymiak has the largest disclosed position value at $6.48M.
0 of 10 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens David E. Chymiak's linked filing trail.
Disclosed position value
Top 5
David E. Chymiak
$6.48M
Joseph Hart
$1.5M
Jim McGill
$683K
John Shelnutt
$324.7K
Timothy Scott Harden
$310.5K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 10 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| David E. Chymiak |
3/4/5
Director
|
—
class O/S missing
|
$6,476,085
2,643,300 shares
|
— | 22 Mar 2023 |
| Joseph Hart |
3/4/5
President and CEO, Director
|
—
class O/S missing
|
$1,496,759
610,922 shares
|
— | 22 Mar 2023 |
| Jim McGill |
3/4/5
Director
|
—
class O/S missing
|
$682,996
278,774 shares
|
— | 22 Aug 2023 |
| John Shelnutt |
3/4/5
Director
|
—
class O/S missing
|
$324,662
132,515 shares
|
— | 31 Dec 2022 |
| Timothy Scott Harden |
3/4/5
Director
|
—
class O/S missing
|
$310,484
126,728 shares
|
— | 25 Aug 2023 |
| David Sparkman |
3/4/5
Director
|
—
class O/S missing
|
$280,689
114,567 shares
|
— | 31 Dec 2022 |
| Jimmy R. Taylor |
3/4/5
President, Wireless Services
|
—
class O/S missing
|
$208,250
85,000 shares
|
— | 17 May 2021 |
| Brian Neal Davidson |
3/4/5
Chief Revenue Officer
|
—
class O/S missing
|
$159,250
65,000 shares
|
— | 01 May 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 09 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to ADDVANTAGE TECHNOLOGIES GROUP INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
David E. Chymiak
Net 12M change
$0
Latest report
04 Jan 2024
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| David E. Chymiak | Director | $6,476,085 | Mixed | 22 Mar 2023 | ||
| Joseph Hart | President and CEO, Director | $1,496,759 | Mixed | 22 Mar 2023 | ||
| Jim McGill | Director | $682,996 | Mixed | 22 Aug 2023 | ||
| John Shelnutt | Director | $324,662 | Mixed | 31 Dec 2022 | ||
| Timothy Scott Harden | Director | $310,484 | Mixed | 25 Aug 2023 | ||
| David Sparkman | Director | $280,689 | Mixed | 31 Dec 2022 | ||
| Jimmy R. Taylor | President, Wireless Services | $208,250 | Mixed | 17 May 2021 | ||
| Jerry Don Jones | President, Fulton Technologies | $159,250 | Mixed | 22 Mar 2023 | ||
| Brian Neal Davidson | Chief Revenue Officer | $159,250 | Mixed | 01 May 2023 | ||
| Michael A. Rutledge | Chief Financial Officer | $22,748 | Mixed | 04 Jan 2024 | ||
| Michael G. Ramke | Interim Cfo | Mixed | 08 Jul 2021 |
Recent insider transactions for ADDVANTAGE TECHNOLOGIES GROUP INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.