Comparable stake leader
BlackRock, Inc.
SEC ownership of AEMETIS, INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000738214.
Disclosed value leader
VANGUARD CAPITAL MANAGEMENT LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- AMTX on Nasdaq
- Parsed ownership sources
- 13D/G, 13F, and 3/4/5
- Largest SEC-reported holder
- BlackRock, Inc.
- Latest 13D/G holder
- BlackRock, Inc.
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0000738214
- Issuer location
- Cupertino, CA
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 AEMETIS, 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
BlackRock, Inc.
Disclosed value leader
VANGUARD CAPITAL MANAGEME...
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 4.9%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 4.9%.
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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
4.9%
Eric A. Mcafee
7.8%
Francis P. Barton
0.45%
Lydia I. Beebe
0.43%
Naomi Louise Boness
0.13%
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
4.9%
|
$3,149,906
2,460,864 shares
|
$0 | 31 Dec 2024 |
| Eric A. Mcafee |
3/4/5
Chief Executive Officer, Director
|
7.8%
|
$5,640,935
3,917,316 shares
|
— | 19 Mar 2026 |
| Francis P. Barton |
3/4/5
Director
|
0.45%
|
$348,837
226,518 shares
|
-$67,016 | 22 Jan 2026 |
| Lydia I. Beebe |
3/4/5
Director
|
0.43%
|
$330,000
214,286 shares
|
— | 22 Jan 2026 |
| Naomi Louise Boness |
3/4/5
Director
|
0.13%
|
$99,550
64,643 shares
|
— | 22 Jan 2026 |
| BLOCK JOHN R |
3/4/5
Director
|
0.11%
|
$81,115
56,330 shares
|
— | 19 Mar 2026 |
| Timothy Alan Simon |
3/4/5
Director
|
0.1%
|
$81,053
52,632 shares
|
— | 22 Jan 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
5.2%
|
$8,404,543
2,634,653 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: -$67,016.
Buys
$0
Insiders: 0
Sells
$67,016
Insiders: 1
Net
-$67,016
Shares: -26,452
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 26,452
| 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 | 26,452 | $0 | $67,016 | -$67,016 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to AEMETIS, INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Eric A. Mcafee
Net 12M change
-$67,016
Latest report
19 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Eric A. Mcafee | Chief Executive Officer, Director | $5,640,935 | Mixed | 19 Mar 2026 | ||
| Todd Waltz | Executive Vice President, CFO | $392,866 | Mixed | 19 Mar 2026 | ||
| Francis P. Barton | Director | $348,837 | -$67,016 | -16% | Mixed | 22 Jan 2026 |
| Lydia I. Beebe | Director | $330,000 | Mixed | 22 Jan 2026 | ||
| Naomi Louise Boness | Director | $99,550 | Mixed | 22 Jan 2026 | ||
| BLOCK JOHN R | Director | $81,115 | Mixed | 19 Mar 2026 | ||
| Timothy Alan Simon | Director | $81,053 | Mixed | 22 Jan 2026 | ||
| James Michael Rockett | EVP, General Counsel | $45,512 | Mixed | 19 Mar 2026 | ||
| Sanjeev Gupta | Executive Vice President | Mixed | 19 Mar 2026 | |||
| Andrew B. Foster | Executive Vice President | Mixed | 19 Mar 2026 |
Recent insider transactions for AEMETIS, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Todd Waltz | AMTX | Option (right to buy) | Award | 18.1% | 200,000 | 1,305,701 | 19 Mar 2026 | Direct | ||
| Sanjeev Gupta | AMTX | Option (right to buy) | Award | 16.9% | 200,000 | 1,385,000 | 19 Mar 2026 | Direct | ||
| James Michael Rockett | AMTX | Option (right to buy) | Award | 40% | 200,000 | 700,000 | 19 Mar 2026 | Direct | ||
| Block John R | AMTX | Common Stock | Award | 21.6% | 10,000 | 56,330 | 19 Mar 2026 | Direct | ||
| Andrew B. Foster | AMTX | Option (right to buy) | Award | 20.3% | 200,000 | 1,185,834 | 19 Mar 2026 | Direct | ||
| Eric A. Mcafee | AMTX | Common Stock | Award | 8.29% | 300,000 | 3,917,316 | 19 Mar 2026 | Direct | ||
| Timothy Alan Simon | AMTX | Common Stock | Award | 29.5% | 12,000 | 52,632 | 22 Jan 2026 | Direct | ||
| Naomi Louise Boness | AMTX | Common Stock | Award | 22.8% | 12,000 | 64,643 | 22 Jan 2026 | Direct | ||
| Lydia I. Beebe | AMTX | Common Stock | Award | 7.26% | 14,500 | 214,286 | 22 Jan 2026 | Direct | ||
| Francis P. Barton | AMTX | Common Stock | Award | 8.63% | 18,000 | 226,518 | 22 Jan 2026 | Direct | ||
| Block John R | AMTX | Common Stock | Award | 35% | 12,000 | 46,330 | 22 Jan 2026 | Direct | ||
| Francis P. Barton | AMTX | Common Stock | Sale | -11.3% | $67,016 | $2.53 | -26,452 | 208,518 | 14 Aug 2025 | Direct |
| Timothy Alan Simon | AMTX | Common Stock | Disposed to Issuer | -33% | -20,000 | 40,632 | 09 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.