Comparable stake leader
William F. Matlack
SEC ownership of Timberline Resources Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001288750.
Disclosed value leader
William F. Matlack
Comparable rows
0/12
Latest evidence
19 Aug 2024
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
William F. Matlack
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
19 Aug 2024
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001288750
- Issuer location
- Coeur D'alene, ID
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 Timberline Resources Corp (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
William F. Matlack
Disclosed value leader
William F. Matlack
Comparable rows
0/12
Latest evidence
19 Aug 2024
3/4/5
Highest disclosed value: $1,548,446
12 rows are not safely comparable across share classes.
Showing 1-8 of 12 holder rows.
Quick read
William F. Matlack has the largest disclosed position value at $1.55M.
0 of 12 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 William F. Matlack's linked filing trail.
Disclosed position value
Top 5
William F. Matlack
$1.55M
Crescat Portfolio Management LLC
$1.22M
Donald J. McDowell
$853.8K
David C. Mathewson
$211.5K
Steven A. Osterberg
$114.3K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 12 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| William F. Matlack |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$1,548,446
17,204,961 shares
|
— | 08 Aug 2022 |
| Crescat Portfolio Management LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$1,215,276
2,000,002 shares
mixed-class rows
|
— | 19 Aug 2024 |
| Jupiter Investment Management Ltd |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
25,933,705 shares
|
— | 29 Aug 2023 |
| Donald J. McDowell |
3/4/5
VP Corporate Development, Director
|
—
class O/S missing
|
$853,830
9,487,000 shares
|
— | 17 Apr 2023 |
| David C. Mathewson |
3/4/5
Former Director
|
—
mixed-class rows
|
$211,500
2,570,000 shares
mixed-class rows
|
— | 13 May 2021 |
| Steven A. Osterberg |
3/4/5
Vice President, Exploration
|
—
mixed-class rows
|
$114,310
1,212,569 shares
mixed-class rows
|
— | 29 Mar 2022 |
| Paul Dircksen |
3/4/5
Former Director
|
—
class O/S missing
|
$18,000
200,000 shares
|
— | 06 May 2021 |
| R. Patrick Highsmith |
3/4/5
President CEO, Director
|
—
class O/S missing
|
—
500,000 shares
|
— | 06 May 2021 |
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 22 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 1-12 of 12 reporting-owner rows connected to Timberline Resources Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
William F. Matlack
Net 12M change
$0
Latest report
19 Aug 2024
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| William F. Matlack | Director, 10%+ Owner | $1,548,446 | Mixed | 08 Aug 2022 | ||
| Crescat Portfolio Management LLC | 10%+ Owner | $1,215,276 | Mixed | 19 Aug 2024 | ||
| Donald J. McDowell | VP Corporate Development, Director | $853,830 | Filing P/S | 17 Apr 2023 | ||
| David C. Mathewson | Former Director | $211,500 | Mixed | 13 May 2021 | ||
| Steven A. Osterberg | Vice President, Exploration | $114,310 | Mixed | 29 Mar 2022 | ||
| Paul Dircksen | Former Director | $18,000 | Mixed | 06 May 2021 | ||
| Ted R. Sharp | Cfo | Mixed | 06 May 2021 | |||
| Leigh Freeman | Director | Mixed | 06 May 2021 | |||
| Jupiter Investment Management Ltd | 10%+ Owner | Mixed | 29 Aug 2023 | |||
| Quinton Todd Hennigh | Director | Mixed | 06 May 2021 | |||
| R. Patrick Highsmith | President CEO, Director | Mixed | 06 May 2021 | |||
| Pamela L. Saxton | Director | Mixed | 06 May 2021 |
Recent insider transactions for Timberline Resources Corp
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.