SEC ownership of PARKERVISION INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000914139.
- CIK
- 0000914139
- Symbol
- PRKR on OTC
- Location
- Jacksonville, FL
- Parsed ownership evidence
- 13D/G, 3/4/5, and 13F
- Lead holder
- Gem Investment Advisors, LLC
- 13D/G signal
- Gem Investment Advisors, LLC
- Latest evidence date
- 19 May 2026
Ownership snapshot
Top shareholders of PARKERVISION 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.
Lead holder
Gem Investment Advisors, LLC
13D/G signal
Gem Investment Advisors, LLC
Evidence rows
10
Latest as of
19 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
13D/G row: Gem Investment Advisors, LLC
Showing first 8 of 10 holder rows.
Open remaining rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Gem Investment Advisors, LLC |
13D/G
Daniel M. Lewis
|
10%
|
—
15,181,550 shares
|
$0 | 31 Mar 2026 |
| Lewis H. Titterton Jr. |
13D/G
3/4/5
Titterton Lewis H jr · Director
|
7%
|
$2,560,535
8,829,430 shares
|
$0 | 17 Nov 2025 |
| Anthony B. Bowers |
3/4/5
Director
|
0.13%
|
$39,237
165,000 shares
|
— | 19 May 2026 |
| FNY Investment Advisers, LLC |
13F
Company
|
0.03%
|
$10,000
42,050 shares
|
— | 31 Mar 2026 |
| Jeffrey Parker |
3/4/5
Chief Executive Officer, Director
|
—
mixed-class rows
|
$1,920,000
16,000,000 shares
mixed-class rows
|
— | 22 Jan 2026 |
| Paul A. Rosenbaum |
3/4/5
Director
|
—
mixed-class rows
|
$921,370
2,504,796 shares
mixed-class rows
|
— | 22 Jan 2026 |
| FRENCH CYNTHIA L |
3/4/5
Chief Financial Officer
|
—
mixed-class rows
|
$261,656
1,166,583 shares
mixed-class rows
|
— | 22 Jan 2026 |
| Frank N. Newman |
3/4/5
Former Director
|
—
mixed-class rows
|
$172,904
983,100 shares
mixed-class rows
|
— | 24 Feb 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
Net insider flow leans to buying over the last 12 months. Net value: +$1,000,000.
Buys
$1,000,000
Insiders: 1
Sells
$0
Insiders: 0
Net
+$1,000,000
Shares: +4,761,905
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 4,761,905
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 4,761,905 | 0 | $1,000,000 | $0 | +$1,000,000 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Current reporting-owner rows connected to PARKERVISION INC. Open the relationship link for the CIK-to-CIK filing trail.
Rows
8
Lead holder
Jeffrey Parker
Net 12M change
+$1,000,000
Latest report
19 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jeffrey Parker | Chief Executive Officer, Director | $1,920,000 | Mixed | 22 Jan 2026 | ||
| Lewis H. Titterton Jr. | Director | $1,890,215 | +$1,000,000 | +112% | Mixed | 22 Jan 2026 |
| Paul A. Rosenbaum | Director | $921,370 | Mixed | 22 Jan 2026 | ||
| FRENCH CYNTHIA L | Chief Financial Officer | $261,656 | Mixed | 22 Jan 2026 | ||
| Frank N. Newman | Former Director | $172,904 | Mixed | 24 Feb 2023 | ||
| Robert G. Sterne | Director | $88,800 | Mixed | 22 Jan 2026 | ||
| Anthony B. Bowers | Director | $39,237 | Median | 19 May 2026 | ||
| Sanford M. Litvack | Director | $15,597 | Mixed | 31 Dec 2024 |
Recent Insider Transactions by Companies or Individuals for PARKERVISION INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Lewis H. Titterton Jr. | PRKR | Option to Purchase Common Stock | Award | 370,000 | 370,000 | 22 Jan 2026 | Direct | |||
| Paul A. Rosenbaum | PRKR | Option to Purchase Common Stock | Award | 370,000 | 370,000 | 22 Jan 2026 | Direct | |||
| Robert G. Sterne | PRKR | Option to Purchase Common Stock | Award | 370,000 | 370,000 | 22 Jan 2026 | Direct | |||
| French Cynthia L | PRKR | Nonqualified Stock Option (Performance-Based) | Award | 500,000 | 500,000 | 22 Jan 2026 | Direct | |||
| French Cynthia L | PRKR | Nonqualified Stock Option | Award | 500,000 | 500,000 | 22 Jan 2026 | Direct | |||
| Jeffrey Parker | PRKR | Nonqualified Stock Option (Performance-Based) | Award | 8,000,000 | 8,000,000 | 22 Jan 2026 | Direct | |||
| Lewis H. Titterton Jr. | PRKR | Common Stock | Purchase | 124.8% | $1,000,000 | $0.2100 | 4,761,905 | 8,578,170 | 18 Nov 2025 | Direct |
| Lewis H. Titterton Jr. | PRKR | Common Stock | Options Exercise | 26.5% | 800,000 | 3,816,265 | 07 Oct 2025 | Direct | ||
| Lewis H. Titterton Jr. | PRKR | Nonqualified Stock Option | Options Exercise | -100% | -800,000 | 0 | 07 Oct 2025 | Direct | ||
| Paul A. Rosenbaum | PRKR | Common Stock | Award | 14.8% | 275,000 | 2,134,796 | 03 Jul 2025 | Direct | ||
| Lewis H. Titterton Jr. | PRKR | Common stock | Award | 9.55% | 275,000 | 3,153,765 | 03 Jul 2025 | Direct | ||
| Robert G. Sterne | PRKR | Option to Purchase Common Stock | Award | 300,000 | 300,000 | 03 Jul 2025 | Direct |
An asterisk next to the price means the reported price is likely invalid.