Who
Kang Sun
Director
Company insider
Files Form 4 as: Chief Executive Officer, Amprius Technologies; Director, Daystar Technologies.
In numbers
- Trades disclosed
- 91
- Buys
- 0
- Sells
- 18
- Bought
- $0
- Sold
- $104.8M
- Companies
- 2
- Companies where not an officer
- 1
- First trade
- 25 Jan 2010
- Last trade
- 21 Aug 2026
- Last filed
- 25 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 21 Aug 2026filed 25 Aug 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $642K62,101 at $10.34 | filing |
| 21 Aug 2026filed 25 Aug 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $642K62,101 at $10.34 | filing |
| 27 May 2026filed 28 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $6,121356 at $17.19 | filing |
| 27 May 2026filed 28 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $6,120356 at $17.19 | filing |
| 21 May 2026filed 26 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $1.0M67,796 at $14.79 | filing |
| 21 May 2026filed 26 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $1.0M67,796 at $14.79 | filing |
| 5 May 2026filed 7 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code A | —6,250 at $0.00 | filing |
| 5 May 2026filed 7 May 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code A | —6,250 at $0.00 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code M | $2.3M1,312,505 at $1.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code M | $690K187,495 at $3.68 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $19.7M1,250,963 at $15.73 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius Technologiesoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | $2.3M1,312,505 at $1.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius Technologiesoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | $690K187,495 at $3.68 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $4.2M249,037 at $16.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius Technologiesoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | $2.3M1,312,505 at $1.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius Technologiesoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | $690K187,495 at $3.68 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code M | $2.3M1,312,505 at $1.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Code M | $690K187,495 at $3.68 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $19.7M1,250,963 at $15.73 | filing |
| 1 Apr 2026filed 2 Apr 2026 | AMPX Amprius TechnologiesElectronic Components & EMS | SEC FORM 4 Sold | $4.2M249,037 at $16.78 | filing |
News
No headline names them, or the companies they trade most, lately.