Comparable stake leader
Altai Capital Management, L.P.
SEC ownership of Digimarc CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001438231.
Disclosed value leader
Altai Capital Management, L.P.
Comparable rows
50/50
Latest evidence
30 Apr 2026
- Public ticker
- DMRC on Nasdaq
- Parsed ownership sources
- 13D/G, 3/4/5, and 13F
- Largest SEC-reported holder
- Altai Capital Management, L.P.
- Latest 13D/G holder
- Altai Capital Management, L.P.
- Latest parsed ownership date
- 30 Apr 2026
- Issuer CIK
- 0001438231
- Issuer location
- Beaverton, OR
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Digimarc 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
Altai Capital Management,...
Disclosed value leader
Altai Capital Management,...
Comparable rows
50/50
Latest evidence
30 Apr 2026
13D/G
3/4/5
13F
Lead comparable stake: 13%
13D/G row: Altai Capital Management, L.P.
Showing 1-8 of 50 holder rows.
Quick read
Altai Capital Management, L.P. leads the comparable SEC ownership view at 13%.
50 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 Altai Capital Management, L.P.'s linked filing trail.
Comparable ownership
Top 5
Altai Capital Management, L.P.
13%
TCM Strategic Partners L.P.
11%
Ocho Investments LLC
5.2%
BlackRock, Inc.
5%
Rishi Bajaj
13%
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 |
|---|---|---|---|---|---|
| Altai Capital Management, L.P. |
13D/G
3/4/5
13F
Rishi Bajaj · Other*, 10%+ Owner · Company
|
13%
|
$35,401,863
2,791,945 shares
|
+$286,555 | 28 Jul 2025 |
| TCM Strategic Partners L.P. |
13D/G
mccormack riley
|
11%
|
$32,486,787
2,451,833 shares
|
$0 | 17 Mar 2025 |
| Ocho Investments LLC |
13D/G
|
5.2%
|
$14,773,750
1,115,000 shares
|
+$198,750 | 14 Apr 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
5%
|
$10,522,389
1,076,922 shares
|
$0 | 30 Sep 2025 |
| Rishi Bajaj |
3/4/5
Director, 10%+ Owner
|
13%
|
$13,789,203
2,808,392 shares
|
— | 30 Apr 2026 |
| Carle Ann Quinn |
3/4/5
EVP, Chief Operating Officer
|
0.76%
|
$813,685
165,720 shares
|
— | 01 Apr 2026 |
| Charles Beck |
3/4/5
EVP, Chief Financial Officer
|
0.54%
|
$575,992
117,310 shares
|
— | 01 Apr 2026 |
| Tony Rodriguez |
3/4/5
EVP, Chief Technology Officer
|
0.41%
|
$438,634
89,335 shares
|
— | 01 Apr 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 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 1-20 of 24 reporting-owner rows connected to Digimarc CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
Riley McCormack
Net 12M change
$0
Latest report
30 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Riley McCormack | Chief Executive Officer, Director, 10%+ Owner | $84,957,492 | Mixed | 17 Mar 2025 | ||
| Vincent C. Smith | 10%+ Owner | $73,328,018 | Mixed | 17 May 2022 | ||
| Altai Capital Management, L.P. | Other*, 10%+ Owner | $35,115,307 | Mixed | 28 Jul 2025 | ||
| Rishi Bajaj | Director, 10%+ Owner | $13,789,203 | Median | 30 Apr 2026 | ||
| Joel Meyer | EVP, Chief Legal Officer | $3,397,522 | Mixed | 15 Feb 2024 | ||
| Richardson James T. | Director | $1,787,633 | Mixed | 13 May 2022 | ||
| Robert Chamness | EVP, CLO & Secretary | $1,642,741 | Mixed | 13 May 2022 | ||
| Andrew Walter | Director | $1,127,506 | Mixed | 02 Jan 2024 | ||
| Carle Ann Quinn | EVP, Chief Operating Officer | $813,685 | Median | 01 Apr 2026 | ||
| Charles Beck | EVP, Chief Financial Officer | $575,992 | Median | 01 Apr 2026 | ||
| Alicia Syrett | Director | $485,851 | Filing P/S | 20 May 2024 | ||
| Tony Rodriguez | EVP, Chief Technology Officer | $438,634 | Median | 01 Apr 2026 | ||
| Ken Sickles | EVP, Chief Product Officer | $351,521 | Median | 01 Apr 2026 | ||
| Milena Alberti-Perez | Director | $339,064 | Mixed | 28 Sep 2024 | ||
| Sheela Zemlin | Director | $288,709 | Mixed | 05 May 2021 | ||
| Sandeep Dadlani | Director | $276,796 | Median | 30 Apr 2026 | ||
| Power Ravi Kumar Singisetti | Director | $268,292 | Mixed | 10 May 2023 | ||
| Kathleen Kool | Director | $227,524 | Median | 30 Apr 2026 | ||
| George Karamanos | EVP, Chief Legal Officer | $216,474 | Mixed | 15 Feb 2026 | ||
| LaShonda Anderson-Williams | Director | $201,128 | Median | 30 Apr 2026 |
Recent insider transactions for Digimarc 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Charles Beck | DMRC | Common Stock | Tax liability | -2.34% | -2,815 | 117,310 | 15 May 2026 | Direct | ||
| Charles Beck | DMRC | Common Stock | Award | 31.6% | 28,807 | 120,125 | 15 May 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Tax liability | -3.35% | -5,749 | 165,720 | 15 May 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Award | 20.2% | 28,807 | 171,469 | 15 May 2026 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Tax liability | -1.97% | -1,797 | 89,335 | 15 May 2026 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Award | 36.7% | 24,459 | 91,132 | 15 May 2026 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Tax liability | -1.91% | -1,393 | 71,593 | 15 May 2026 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Award | 36.7% | 19,611 | 72,986 | 15 May 2026 | Direct | ||
| Rishi Bajaj | DMRC | Common Stock | Award | 53.7% | 13,643 | 39,046 | 30 Apr 2026 | Direct | ||
| LaShonda Anderson-Williams | DMRC | Common Stock | Award | 49.9% | 13,643 | 40,963 | 30 Apr 2026 | Direct | ||
| Sheila C. Cheston | DMRC | Common Stock | Award | 64% | 13,643 | 34,957 | 30 Apr 2026 | Direct | ||
| Sandeep Dadlani | DMRC | Common Stock | Award | 31.9% | 13,643 | 56,374 | 30 Apr 2026 | Direct | ||
| Kathleen Kool | DMRC | Common Stock | Award | 41.7% | 13,643 | 46,339 | 30 Apr 2026 | Direct | ||
| Dana McIlwain | DMRC | Common Stock | Award | 59% | 13,643 | 36,777 | 30 Apr 2026 | Direct | ||
| Michael Park | DMRC | Common Stock | Award | 54.5% | 13,643 | 38,673 | 30 Apr 2026 | Direct | ||
| Charles Beck | DMRC | Common Stock | Award | 4.45% | 3,894 | 91,318 | 01 Apr 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Award | 2.81% | 3,894 | 142,662 | 01 Apr 2026 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Award | 5.33% | 3,375 | 66,673 | 01 Apr 2026 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Award | 6.75% | 3,375 | 53,375 | 01 Apr 2026 | Direct | ||
| LaShonda Anderson-Williams | DMRC | Common Stock | Award | 6.44% | 1,654 | 27,320 | 01 Apr 2026 | Direct | ||
| Sandeep Dadlani | DMRC | Common Stock | Award | 6.33% | 2,545 | 42,731 | 01 Apr 2026 | Direct | ||
| Dana McIlwain | DMRC | Common Stock | Award | 7.7% | 1,654 | 23,134 | 01 Apr 2026 | Direct | ||
| Michael Park | DMRC | Common Stock | Award | 5.35% | 1,272 | 25,030 | 01 Apr 2026 | Direct | ||
| Charles Beck | DMRC | Common Stock | Tax liability | -1.65% | -1,470 | 87,424 | 15 Feb 2026 | Direct | ||
| Charles Beck | DMRC | Common Stock | Award | 10.1% | 8,135 | 88,894 | 15 Feb 2026 | Direct | ||
| George Karamanos | DMRC | Common Stock | Tax liability | -2.4% | -1,097 | 44,542 | 15 Feb 2026 | Direct | ||
| George Karamanos | DMRC | Common Stock | Award | 32.7% | 11,254 | 45,639 | 15 Feb 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Tax liability | -2.84% | -4,054 | 138,768 | 15 Feb 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Award | 6.93% | 9,257 | 142,822 | 15 Feb 2026 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Tax liability | -1.28% | -823 | 63,298 | 15 Feb 2026 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Award | 18.3% | 9,901 | 64,121 | 15 Feb 2026 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Tax liability | -1.17% | -591 | 50,000 | 15 Feb 2026 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Award | 27.3% | 10,847 | 50,591 | 15 Feb 2026 | Direct | ||
| Rishi Bajaj | DMRC | Common Stock | Award | 8.11% | 1,905 | 25,403 | 02 Jan 2026 | Direct | ||
| LaShonda Anderson-Williams | DMRC | Common Stock | Award | 5.07% | 1,238 | 25,666 | 02 Jan 2026 | Direct | ||
| Sheila C. Cheston | DMRC | Common Stock | Award | 6.17% | 1,238 | 21,314 | 02 Jan 2026 | Direct | ||
| Sandeep Dadlani | DMRC | Common Stock | Award | 4.98% | 1,905 | 40,186 | 02 Jan 2026 | Direct | ||
| Dana McIlwain | DMRC | Common Stock | Award | 6.12% | 1,238 | 21,480 | 02 Jan 2026 | Direct | ||
| Michael Park | DMRC | Common Stock | Award | 8.72% | 1,905 | 23,758 | 02 Jan 2026 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Award | 1.52% | 1,996 | 133,565 | 15 Dec 2025 | Direct | ||
| George Karamanos | DMRC | Common Stock | Award | 6.16% | 1,996 | 34,385 | 15 Dec 2025 | Direct | ||
| Charles Beck | DMRC | Common Stock | Award | 2.53% | 1,996 | 80,759 | 15 Dec 2025 | Direct | ||
| Ken Sickles | DMRC | Common Stock | Tax liability | -1.96% | -793 | 39,744 | 15 Nov 2025 | Direct | ||
| Tony Rodriguez | DMRC | Common Stock | Tax liability | -2.18% | -1,206 | 54,220 | 15 Nov 2025 | Direct | ||
| Carle Ann Quinn | DMRC | Common Stock | Tax liability | -2.99% | -4,054 | 131,569 | 15 Nov 2025 | Direct | ||
| George Karamanos | DMRC | Common Stock | Tax liability | -3.27% | -1,094 | 32,389 | 15 Nov 2025 | Direct | ||
| Charles Beck | DMRC | Common Stock | Tax liability | -1.62% | -1,299 | 78,762 | 15 Nov 2025 | Direct | ||
| Rishi Bajaj | DMRC | Common Stock | Award | 3.98% | 899 | 23,498 | 01 Oct 2025 | Direct | ||
| LaShonda Anderson-Williams | DMRC | Common Stock | Award | 3.52% | 831 | 24,428 | 01 Oct 2025 | Direct | ||
| Sheila C. Cheston | DMRC | Common Stock | Award | 4.32% | 831 | 20,076 | 01 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.