Comparable stake leader
Chang Woei Jiann
SEC ownership of Aterian, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001757715.
Disclosed value leader
Chang Woei Jiann
Comparable rows
36/46
Latest evidence
25 Sep 2026
- Public ticker
- ATER on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Chang Woei Jiann
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
36 of 46
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Chang Woei Jiann
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
25 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001757715
- Issuer location
- Summit, NJ
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 Aterian, 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
Chang Woei Jiann
Disclosed value leader
Chang Woei Jiann
Comparable rows
36/46
Latest evidence
25 Sep 2026
3/4/5
13D/G
13F
Lead comparable stake: 10%
10 rows are not safely comparable across share classes.
13D/G row: Chang Woei Jiann
Showing 1-8 of 46 holder rows.
Quick read
Chang Woei Jiann leads the comparable SEC ownership view at 10%.
36 of 46 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 Chang Woei Jiann's linked filing trail.
Comparable ownership
Top 5
Chang Woei Jiann
10%
Michelle Chiam Sin Ling
10%
David E. Lazar
3.1%
Arturo Rodriguez
0.41%
Feldman Joshua O
0.19%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 46 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Chang Woei Jiann |
3/4/5
13D/G
10%+ Owner
|
10%
from 13D/G
|
$34,479,957
26,121,180 shares
|
— | 25 Sep 2026 |
| Michelle Chiam Sin Ling |
3/4/5
13D/G
10%+ Owner
|
10%
from 13D/G
|
$34,479,957
26,121,180 shares
|
— | 25 Sep 2026 |
| David E. Lazar |
3/4/5
13D/G
Chief Executive Officer, Director, Former 10% Owner · Lazar David E.
|
3.1%
from 13D/G
|
$10,610,199
8,744,130 shares
mixed-class rows
|
-$269,730 | 24 Sep 2026 |
| Arturo Rodriguez |
3/4/5
Chief Executive Officer, Director
|
0.41%
|
$619,497
1,081,148 shares
|
— | 21 May 2026 |
| Feldman Joshua O |
3/4/5
Chief Financial Officer
|
0.19%
|
$333,286
497,442 shares
|
— | 23 Jan 2026 |
| Roi Zion Zahut |
3/4/5
Chief Technology Officer
|
0.14%
|
$462,920
376,358 shares
|
— | 11 Jun 2025 |
| William Kurtz |
3/4/5
Director
|
0.12%
|
$404,611
306,524 shares
|
— | 25 Sep 2026 |
| David Natan |
3/4/5
Director
|
0.12%
|
$397,590
301,205 shares
|
— | 25 Sep 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: -$269,730.
Buys
$0
Insiders: 0
Sells
$269,730
Insiders: 1
Net
-$269,730
Shares: -706,100
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 706,100
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 706,100 | $0 | $269,730 | -$269,730 |
| 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 23 reporting-owner rows connected to Aterian, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
23
Largest Forms 3/4/5 holder
Michelle Chiam Sin Ling
Net 12M change
-$269,730
Latest report
25 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Michelle Chiam Sin Ling | 10%+ Owner | $34,479,957 | Median | 25 Sep 2026 | ||
| Chang Woei Jiann | 10%+ Owner | $34,479,957 | Median | 25 Sep 2026 | ||
| David E. Lazar | Chief Executive Officer, Director, Former 10% Owner | $10,610,199 | -$269,730 | -2.5% | Median | 24 Sep 2026 |
| Yaniv Zion Sarig | Chief Executive Officer, Director | $924,500 | Mixed | 12 Jun 2023 | ||
| Arturo Rodriguez | Chief Executive Officer, Director | $619,497 | Mixed | 21 May 2026 | ||
| Roi Zion Zahut | Chief Technology Officer | $462,920 | Filing P/S | 11 Jun 2025 | ||
| William Kurtz | Director | $404,611 | Median | 25 Sep 2026 | ||
| William H. Crampton | Director | $397,590 | Median | 25 Sep 2026 | ||
| David Natan | Director | $397,590 | Median | 25 Sep 2026 | ||
| Feldman Joshua O | Chief Financial Officer | $333,286 | Mixed | 23 Jan 2026 | ||
| Phillip Lepper | Chief Commercial Officer | $248,163 | Filing P/S | 20 May 2025 | ||
| Joseph A. Risico | Co-CEO, Director | $162,852 | Mixed | 26 Apr 2024 | ||
| Sarah Liebel | Director | $162,619 | Mixed | 16 Aug 2024 | ||
| Anton von Rueden | Coo | $155,000 | Mixed | 31 May 2022 | ||
| Mihal Chaouat-Fix | Chief Supply Chain Officer | $129,200 | Mixed | 14 Mar 2023 | ||
| Cynthia W. Williams | Director | $122,968 | Mixed | 13 Sep 2023 | ||
| Susan E. Lattmann | Director | $108,851 | Mixed | 23 Jan 2026 | ||
| Bari A. Harlam | Director | $108,533 | Mixed | 23 Jan 2026 | ||
| Tomer Pascal | Chief Revenue Officer | $61,480 | Mixed | 22 Dec 2021 | ||
| Greg Petersen | Director | $18,090 | Mixed | 30 Sep 2021 |
Recent insider transactions for Aterian, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| David E. Lazar | ATER | Series AA Convertible Non-Redeemable Preferred Stock | Sale | -100% | $269,730 | $0.3820 | -706,100 | 0 | 25 Sep 2026 | Direct |
| David E. Lazar | ATER | Series AAA Convertible Non-Redeemable Preferred Stock | Sale | -100% | -1,750,000 | 0 | 25 Sep 2026 | Direct | ||
| David Natan | ATER | Common Stock | Award | 301,205 | 301,205 | 25 Sep 2026 | Direct | |||
| William Kurtz | ATER | Common Stock | Award | 96.6% | 150,602 | 306,524 | 25 Sep 2026 | Direct | ||
| David E. Lazar | ATER | Common Stock | Conversion of derivative security | 19.3% | 1,300,530 | 8,038,030 | 24 Sep 2026 | Direct | ||
| David E. Lazar | ATER | Series AA Convertible Non-Redeemable Preferred Stock | Conversion of derivative security | -19.3% | -168,900 | 706,100 | 24 Sep 2026 | Direct | ||
| David E. Lazar | ATER | Common Stock | Conversion of derivative security | 14.9% | 875,000 | 6,737,500 | 04 Aug 2026 | Direct | ||
| David E. Lazar | ATER | Series AA Convertible Non-Redeemable Preferred Stock | Conversion of derivative security | -11.5% | -875,000 | 6,737,500 | 04 Aug 2026 | Direct | ||
| David E. Lazar | ATER | Series AAA Convertible Non-Redeemable Preferred Stock | Award | 1,750,000 | 1,750,000 | 17 Jul 2026 | Direct | |||
| Arturo Rodriguez | ATER | Common Stock | Award | 6.92% | 70,000 | 1,081,148 | 21 May 2026 | Direct | ||
| David E. Lazar | ATER | Series AA Convertible Non-Redeemable Preferred Stock | Award | 1,750,000 | 1,750,000 | 27 Apr 2026 | Direct | |||
| Feldman Joshua O | ATER | Common Stock | Award | 31.8% | 120,000 | 497,442 | 23 Jan 2026 | Direct | ||
| Bari A. Harlam | ATER | Common Stock | Award | 18% | 24,731 | 161,991 | 23 Jan 2026 | Direct | ||
| Susan E. Lattmann | ATER | Common Stock | Award | 18.7% | 25,555 | 162,465 | 23 Jan 2026 | Direct | ||
| Arturo Rodriguez | ATER | Common Stock | Award | 5.2% | 50,000 | 1,011,148 | 23 Jan 2026 | Direct | ||
| William Kurtz | ATER | Common Stock | Award | 35% | 40,394 | 155,922 | 23 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.