Comparable stake leader
BlackRock, Inc.
SEC ownership of R F INDUSTRIES LTD
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000740664.
Disclosed value leader
Mark Keith Holdsworth
Comparable rows
3/50
Latest evidence
11 Oct 2026
- Public ticker
- RFIL on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
3 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
11 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000740664
- Issuer location
- San Diego, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of R F INDUSTRIES LTD (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
BlackRock, Inc.
Disclosed value leader
Mark Keith Holdsworth
Comparable rows
3/50
Latest evidence
11 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.4%
47 rows are not safely comparable across share classes.
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 5.4%.
3 of 50 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 3
BlackRock, Inc.
5.4%
PUNCH & ASSOCIATES INVESTMENT MAN...
5.4%
RENAISSANCE TECHNOLOGIES LLC
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
5.4%
Reported 13D/G
· 30 Jun 2026
|
$12,540,010
591,231 shares
|
$0 | 30 Jun 2026 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13F
13D/G
Company
|
5.4%
Reported 13D/G
· 30 Jun 2026
|
$12,473,919
588,115 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
13D/G
Company
|
4.8%
Reported 13D/G
· 30 Sep 2025
|
$9,837,559
463,817 shares
|
— | 30 Jun 2026 |
| Mark Keith Holdsworth |
3/4/5
Director
|
—
denominator unverified
|
$18,993,871
895,515 shares
|
— | 10 Sep 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$8,109,877
382,361 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$4,663,561
219,825 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$4,349,708
205,076 shares
|
— | 30 Jun 2026 |
| LPL Financial LLC |
13F
Company
|
—
denominator unverified
|
$4,014,947
189,295 shares
|
— | 30 Jun 2026 |
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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 21 Oct 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 1-10 of 10 reporting-owner rows connected to R F INDUSTRIES LTD. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Mark Keith Holdsworth
Net 12M change
$0
Latest report
11 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Mark Keith Holdsworth | Director | $18,993,871 | Mixed | 10 Sep 2026 | ||
| Gerald T. Garland | Director | $3,230,495 | Mixed | 10 Sep 2026 | ||
| Robert D. Dawson | CEO, Director | $2,644,824 | Median | 11 Oct 2026 | ||
| Sheryl Lynn Cefali | Director | $1,930,512 | Mixed | 10 Sep 2026 | ||
| Kay Lee Tidwell | Director | $1,258,092 | Mixed | 10 Sep 2026 | ||
| Peter Yin | Chief Financial Officer | $1,041,445 | Median | 11 Oct 2026 | ||
| Ray Michael Bibisi | President and COO | $519,787 | Median | 11 Oct 2026 | ||
| Marvin Fink | Director | $401,010 | Mixed | 11 Jul 2022 | ||
| Edward Joseph Benoit | Director | $215,516 | Mixed | 23 Jun 2021 | ||
| Jason Cohenour | Director | $62,246 | Mixed | 06 Sep 2023 |
Recent insider transactions for R F INDUSTRIES LTD
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.17% | -112 | 65,585 | 13 Oct 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.09% | -112 | 131,406 | 13 Oct 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.24% | -803 | 333,715 | 13 Oct 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.34% | -221 | 65,697 | 11 Oct 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.17% | -230 | 131,518 | 11 Oct 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.51% | -1,724 | 334,518 | 11 Oct 2026 | Direct | ||
| Mark Keith Holdsworth | RFIL | Common Stock | Award | 6.69% | 7,850 | 125,209 | 10 Sep 2026 | Direct | ||
| Kay Lee Tidwell | RFIL | Common Stock | Award | 15.2% | 7,850 | 59,316 | 10 Sep 2026 | Direct | ||
| Gerald T. Garland | RFIL | Common Stock | Award | 5.43% | 7,850 | 152,310 | 10 Sep 2026 | Direct | ||
| Sheryl Lynn Cefali | RFIL | Common Stock | Award | 9.44% | 7,850 | 91,019 | 10 Sep 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.25% | -834 | 336,242 | 13 Jul 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.18% | -116 | 65,918 | 13 Jul 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.09% | -118 | 131,748 | 13 Jul 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.51% | -1,725 | 337,076 | 11 Jul 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.3% | -202 | 66,034 | 11 Jul 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.31% | -408 | 131,866 | 11 Jul 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.19% | -125 | 66,236 | 13 Apr 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.2% | -662 | 338,801 | 13 Apr 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.18% | -245 | 132,274 | 13 Apr 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.26% | -175 | 66,361 | 11 Apr 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.42% | -1,445 | 339,463 | 11 Apr 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.26% | -342 | 132,519 | 11 Apr 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.58% | -770 | 132,861 | 13 Jan 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -1.02% | -3,513 | 340,908 | 13 Jan 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -1.17% | -790 | 66,536 | 13 Jan 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.14% | -187 | 133,631 | 11 Jan 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.27% | -943 | 344,421 | 11 Jan 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.28% | -190 | 67,326 | 11 Jan 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Tax liability | -0.04% | -47 | 133,818 | 10 Jan 2026 | Direct | ||
| Robert D. Dawson | RFIL | Common Stock | Tax liability | -0.05% | -158 | 345,364 | 10 Jan 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Common Stock | Tax liability | -0.04% | -26 | 67,516 | 10 Jan 2026 | Direct | ||
| Peter Yin | RFIL | Common Stock | Award | 13.2% | 15,625 | 133,865 | 07 Jan 2026 | Direct | ||
| Peter Yin | RFIL | Stock Option (right to buy) | Award | 31,250 | 31,250 | 07 Jan 2026 | Direct | |||
| Ray Michael Bibisi | RFIL | Common Stock | Award | 30.1% | 15,625 | 67,542 | 07 Jan 2026 | Direct | ||
| Ray Michael Bibisi | RFIL | Stock Option (right to buy) | Award | 31,250 | 31,250 | 07 Jan 2026 | Direct | |||
| Robert D. Dawson | RFIL | Common Stock | Award | 14.5% | 43,750 | 345,522 | 07 Jan 2026 | Direct | ||
| Robert D. Dawson | RFIL | Stock Option (right to buy) | Award | 87,500 | 87,500 | 07 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.