Jian Guo - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Jian Guo has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $30K.
Profile
Jian Guo is the Chief Financial Officer at Karat Packaging Inc. (KRT). Guo has reported 7 insider filings with the SEC since 2024. The most recent filing was in May 2026.
| Role | Chief Financial Officer, Director |
|---|---|
| Notability | 34/100 |
Board memberships
- Karat Packaging Inc.
Reported roles
- Chief Financial Officer
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| Total purchases tracked | 3 |
|---|
Trading Pattern
InsiderAlpha's records for Jian Guo go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. The typical open-market purchase is $30K (1 buy totaling $30K). The largest single buy on record is $30K of KRT in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Jian Guo has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Financial Officer, Director at Karat Packaging Inc. (KRT) - 4 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-15 | KRT | Karat Packaging Inc. | M - Option exercise | 8.0K | - | |
| 2025-11-14 | KRT | Karat Packaging Inc. | P - Open-market purchase | 1.4K | $22.11 | $30K |
| 2025-08-15 | KRT | Karat Packaging Inc. | M - Option exercise | 2.5K | $16.53 | $40K |
| 2024-11-20 | KRT | Karat Packaging Inc. | M - Option exercise | 2.5K | $16.53 | $41K |
Companies - Last 90 Days
- Karat Packaging Inc. (KRT) - 1 filing, last 2026-05-15
Most Active Insiders Right Now
Jian Guo has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
Frequently Asked Questions
Who is Jian Guo?
Jian Guo is the Chief Financial Officer at Karat Packaging Inc. (KRT). Guo has reported 7 insider filings with the SEC since 2024. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Jian Guo submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jian Guo been buying or selling stock?
Recorded transactions: 1 open-market purchase ($30K) and 0 open-market sales across all tracked filings.
How accurate is Jian Guo's historical track record?
Across 3 tracked purchases, Jian Guo averaged no 30-day data yet with a win rate pending. InsiderAlpha rates the track record at –/5 stars.
Where can I see all of Jian Guo's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Jian Guo profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.