Comparable stake leader
Hendricks Factual Media LLC
SEC ownership of CuriosityStream Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001776909.
Disclosed value leader
Hendricks Factual Media LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- CURI on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Hendricks Factual Media LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Hendricks Factual Media LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001776909
- Issuer location
- Silver Spring, MD
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 CuriosityStream 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
Hendricks Factual Media LLC
Disclosed value leader
Hendricks Factual Media LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 22%
13D/G row: Hendricks Factual Media LLC
Showing 1-8 of 50 holder rows.
Quick read
Hendricks Factual Media LLC leads the comparable SEC ownership view at 22%.
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 Hendricks Factual Media LLC's linked filing trail.
Comparable ownership
Top 5
Hendricks Factual Media LLC
22%
Matthew Blank
0.29%
BlackRock, Inc.
4.3%
THOMPSON SIEGEL & WALMSLEY LLC
3.3%
RENAISSANCE TECHNOLOGIES LLC
3.1%
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 |
|---|---|---|---|---|---|
| Hendricks Factual Media LLC |
13D/G
3/4/5
John Hendricks · 10%+ Owner
|
22%
|
$56,706,952
12,601,545 shares
|
-$36,254,642 | 14 Aug 2025 |
| Matthew Blank |
3/4/5
Director
|
0.29%
|
$715,459
168,221 shares
mixed-class rows
|
— | 04 Feb 2026 |
| BlackRock, Inc. |
13F
Company
|
4.3%
|
$7,377,816
2,492,505 shares
|
— | 31 Mar 2026 |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
Company
|
3.3%
|
$5,724,000
1,933,807 shares
|
— | 31 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
3.1%
|
$5,235,648
1,768,800 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
2.9%
|
$4,949,730
1,672,206 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.6%
|
$2,767,210
934,707 shares
|
— | 31 Mar 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
Company
|
1.4%
|
$2,478,085
837,191 shares
|
— | 31 Mar 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
Net insider flow leans to selling over the last 12 months. Net value: -$30,959,798.
Buys
$410,170
Insiders: 1
Sells
$31,369,967
Insiders: 7
Net
-$30,959,798
Shares: -8,619,523
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 150,000
Shares: 8,769,523
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 150,000 | 61,959 | $410,170 | $163,040 | +$247,129 |
| 3-6 | 0 | 17,474 | $0 | $65,662 | -$65,662 |
| 6-9 | 0 | 388,090 | $0 | $1,817,546 | -$1,817,546 |
| 9-12 | 0 | 8,302,000 | $0 | $29,323,718 | -$29,323,718 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to CuriosityStream Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
John S. Hendricks
Net 12M change
-$30,959,798
Latest report
12 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John S. Hendricks | Director, 10%+ Owner | $44,500,764 | -$28,175,000 | -39% | Mixed | 04 Feb 2026 |
| Hendricks Factual Media LLC | 10%+ Owner | $21,071,403 | Filing P/S | 04 Apr 2024 | ||
| Clinton Larry Stinchcomb | President and CEO, Director | $11,767,189 | -$1,081,749 | -8.4% | Mixed | 28 May 2026 |
| Theresa Ellen Cudahy | COO and Secretary | $6,027,186 | -$107,156 | -1.7% | Mixed | 10 Dec 2025 |
| Jonathan Huberman | Director | $5,404,877 | -$1,033,961 | -16% | Mixed | 04 Feb 2026 |
| Michael Nikzad | Director | $824,110 | Mixed | 04 Feb 2026 | ||
| Elizabeth Ann Hendricks | Director | $735,893 | Mixed | 04 Feb 2026 | ||
| Matthew Blank | Director | $715,459 | Mixed | 04 Feb 2026 | ||
| Andrew Hendricks | Director | $700,165 | Mixed | 04 Feb 2026 | ||
| Patrick J. Keeley | Director | $566,968 | -$85,156 | -13% | Mixed | 12 Jun 2026 |
| P. Brady Hayden | Chief Financial Officer | $338,786 | -$457,155 | -57% | Mixed | 12 Jun 2026 |
| Peter Westley | Chief Financial Officer | $243,142 | Mixed | 31 May 2024 | ||
| Rebecca R. Reed | Gen Counsel | $166,228 | -$19,621 | -11% | Mixed | 10 Feb 2026 |
| John T. Vilade | Chief Commercial Officer | $25,036 | Mixed | 10 Feb 2026 | ||
| Jason Keith Eustace | CFO and Treasurer | $22,097 | Mixed | 20 May 2022 | ||
| Devin James Emery | Chief Strategy Officer | $21,936 | Mixed | 09 Nov 2022 | ||
| Ana Cecilia Cerna | Controller | $7,815 | Mixed | 20 Sep 2021 |
Recent insider transactions for CuriosityStream 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| P. Brady Hayden | CURI | Common Stock | Sale | -29.9% | $77,885 | $2.56 | -30,400 | 71,267 | 12 Jun 2026 | Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee. |
| Patrick J. Keeley | CURI | Common Stock | Sale | -14.3% | $85,156 | $2.70 | -31,559 | 188,450 | 12 Jun 2026 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Purchase | 0.87% | $71,491 | $2.78 | 25,744 | 2,971,260 | 28 May 2026 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Purchase | 3.31% | $258,638 | $2.74 | 94,256 | 2,945,516 | 27 May 2026 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Purchase | 1.06% | $80,040 | $2.67 | 30,000 | 2,851,260 | 26 May 2026 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Tax liability | -6.52% | -196,738 | 2,821,260 | 11 Mar 2026 | Direct | ||
| Clinton Larry Stinchcomb | CURI | Common Stock | Options Exercise | 24.8% | 600,000 | 3,017,998 | 11 Mar 2026 | Direct | ||
| Clinton Larry Stinchcomb | CURI | Restricted Stock Units | Options Exercise | -33.3% | -600,000 | 1,200,000 | 11 Mar 2026 | Direct | ||
| John T. Vilade | CURI | Restricted Stock Units | Award | 250,000 | 150,000 | 10 Feb 2026 | Direct | |||
| Rebecca R. Reed | CURI | Restricted Stock Units | Award | 30,000 | 30,000 | 10 Feb 2026 | Direct | |||
| P. Brady Hayden | CURI | Restricted Stock Units | Award | 30,000 | 30,000 | 10 Feb 2026 | Direct | |||
| John S. Hendricks | CURI | Restricted Stock Units | Award | 27,439 | 27,439 | 04 Feb 2026 | Direct | |||
| Elizabeth Ann Hendricks | CURI | Common Stock | Options Exercise | 28.7% | 38,500 | 172,785 | 04 Feb 2026 | Direct | ||
| Elizabeth Ann Hendricks | CURI | Restricted Stock Units | Award | 18,780 | 18,780 | 04 Feb 2026 | Direct | |||
| Elizabeth Ann Hendricks | CURI | Restricted Stock Units | Options Exercise | -100% | -38,500 | 0 | 04 Feb 2026 | Direct | ||
| Michael Nikzad | CURI | Common Stock | Options Exercise | 24.4% | 38,500 | 196,000 | 04 Feb 2026 | Direct | ||
| Michael Nikzad | CURI | Restricted Stock Units | Award | 18,780 | 18,780 | 04 Feb 2026 | Direct | |||
| Michael Nikzad | CURI | Restricted Stock Units | Options Exercise | -100% | -38,500 | 0 | 04 Feb 2026 | Direct | ||
| Jonathan Huberman | CURI | Common Stock | Options Exercise | 30.2% | 43,750 | 188,450 | 04 Feb 2026 | Direct | ||
| Jonathan Huberman | CURI | Restricted Stock Units | Award | 21,341 | 21,341 | 04 Feb 2026 | Direct | |||
| Jonathan Huberman | CURI | Restricted Stock Units | Options Exercise | -100% | -43,750 | 0 | 04 Feb 2026 | Direct | ||
| Patrick J. Keeley | CURI | Common Stock | Options Exercise | 24.8% | 43,750 | 220,009 | 04 Feb 2026 | Direct | ||
| Patrick J. Keeley | CURI | Restricted Stock Units | Award | 21,341 | 21,341 | 04 Feb 2026 | Direct | |||
| Patrick J. Keeley | CURI | Restricted Stock Units | Options Exercise | -100% | -43,750 | 0 | 04 Feb 2026 | Direct | ||
| Andrew Hendricks | CURI | Common Stock | Options Exercise | 30.8% | 38,500 | 163,383 | 04 Feb 2026 | Direct | ||
| Andrew Hendricks | CURI | Restricted Stock Units | Award | 18,780 | 18,780 | 04 Feb 2026 | Direct | |||
| Andrew Hendricks | CURI | Restricted Stock Units | Options Exercise | -100% | -38,500 | 0 | 04 Feb 2026 | Direct | ||
| Matthew Blank | CURI | Common Stock | Options Exercise | 28.2% | 37,000 | 168,221 | 04 Feb 2026 | Direct | ||
| Matthew Blank | CURI | Restricted Stock Units | Options Exercise | -100% | -37,000 | 0 | 04 Feb 2026 | Direct | ||
| Matthew Blank | CURI | Restricted Stock Units | Award | 18,049 | 18,049 | 04 Feb 2026 | Direct | |||
| P. Brady Hayden | CURI | Common Stock | Sale | -14.7% | $65,662 | $3.76 | -17,474 | 101,667 | 02 Jan 2026 | Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee. |
| P. Brady Hayden | CURI | Common Stock | Sale | -1.65% | $9,180 | $4.59 | -2,000 | 119,141 | 15 Dec 2025 | Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee. |
| Theresa Ellen Cudahy | CURI | Common Stock | Sale | -1.12% | $28,702 | $4.98 | -5,768 | 508,880 | 10 Dec 2025 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Sale | -3.97% | $462,400 | $4.62 | -100,000 | 2,417,998 | 25 Nov 2025 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Sale | -5.31% | $657,032 | $4.65 | -141,206 | 2,517,998 | 24 Nov 2025 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Sale | -0.48% | $59,211 | $4.60 | -12,872 | 2,659,204 | 21 Nov 2025 | Direct |
| Clinton Larry Stinchcomb | CURI | Common Stock | Sale | -2.33% | $313,276 | $4.92 | -63,674 | 2,672,076 | 20 Nov 2025 | Direct |
| Jonathan Huberman | CURI | Common Stock | Sale | -1.15% | $70,580 | $5.00 | -14,116 | 1,210,169 | 20 Nov 2025 | By 211 LV LLC |
| Theresa Ellen Cudahy | CURI | Common Stock | Sale | -1.94% | $50,806 | $4.98 | -10,200 | 514,648 | 20 Nov 2025 | Direct |
| P. Brady Hayden | CURI | Common Stock | Sale | -1.1% | $6,044 | $4.50 | -1,343 | 121,141 | 17 Nov 2025 | Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee. |
| Theresa Ellen Cudahy | CURI | Common Stock | Sale | -1.05% | $27,648 | $4.98 | -5,553 | 524,848 | 13 Nov 2025 | Direct |
| Jonathan Huberman | CURI | Common Stock | Sale | -0.75% | $46,455 | $5.00 | -9,291 | 1,224,285 | 13 Nov 2025 | By 211 LV LLC |
| P. Brady Hayden | CURI | Common Stock | Gift | 488.4% | 101,667 | 122,484 | 12 Nov 2025 | Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee. | ||
| P. Brady Hayden | CURI | Common Stock | Gift | -100% | -101,667 | 0 | 12 Nov 2025 | Direct | ||
| Clinton Larry Stinchcomb | CURI | Common Stock | Tax liability | -7.98% | -237,355 | 2,735,750 | 11 Nov 2025 | Direct | ||
| Clinton Larry Stinchcomb | CURI | Common Stock | Options Exercise | 25.5% | 603,333 | 2,973,105 | 11 Nov 2025 | Direct | ||
| Clinton Larry Stinchcomb | CURI | Restricted Stock Units | Options Exercise | -100% | -603,333 | 0 | 11 Nov 2025 | Direct | ||
| P. Brady Hayden | CURI | Common Stock | Options Exercise | 101,667 | 101,667 | 11 Nov 2025 | Direct | |||
| P. Brady Hayden | CURI | Restricted Stock Units | Options Exercise | -100% | -101,667 | 0 | 11 Nov 2025 | Direct | ||
| Rebecca R. Reed | CURI | Common Stock | Tax liability | -17.4% | -9,303 | 44,138 | 11 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.