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Who

Donald R. Dixon

Director

Company insider

Files Form 4 as: Director, Amprius Technologies; Director and 10% owner, IronNet; Director and 10% owner, Qualys; Director and 10% owner, Xrs.

In numbers

Trades disclosed
133
Buys
0
Sells
10
Bought
$0
Sold
$20.8M
Companies
4
Companies where not an officer
4
First trade
17 Feb 2010
Last trade
15 Jun 2026
Last filed
16 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
AMPX Amprius TechnologiesDirector · Electronic Components & EMS · last 15 Jun 20260 buys · 3 sells
IronNetDirector, 10% owner · last 14 Jul 20220 buys · 0 sells
QLYS QualysDirector, 10% owner · Software · last 18 Jun 20180 buys · 7 sells
XrsDirector, 10% owner · last 31 Oct 20140 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Jun 2026filed 16 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$1.5M85,000 at $17.17filing
15 Jun 2026filed 16 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$1.5M85,000 at $17.17filing
12 Jun 2026filed 16 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—10,423 at $0.00filing
12 Jun 2026filed 16 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—10,423 at $0.00filing
9 Jun 2026filed 11 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$765K40,000 at $19.13filing
9 Jun 2026filed 11 Jun 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$765K40,000 at $19.13filing
26 May 2026filed 28 May 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$320K17,895 at $17.90filing
26 May 2026filed 28 May 2026AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Sold$320K17,895 at $17.90filing
13 Jun 2025filed 17 Jun 2025AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—44,444 at $0.00filing
7 Jun 2024filed 7 Jun 2024AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—125,000 at $0.00filing
9 Jun 2023filed 12 Jun 2023AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—17,895 at $0.00filing
14 Sep 2022filed 16 Sep 2022AMPX Amprius Technologiesoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—270,251filing
14 Jul 2022filed 14 Jul 2022IronNetSEC FORM 4 Code A—76,174 at $0.00filing
7 Dec 2021filed 9 Dec 2021IronNetSEC FORM 4 Code A—24,000 at $0.00filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—3,440filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—734filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—31,642filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—10,539filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—27,684filing
10 Sep 2021filed 14 Sep 2021IronNetSEC FORM 4 Code A—3,754filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Technology10

Buys in green, sells in red, by the company’s sector.

Related people

Kang SunDirector · Director at Amprius Technologies, filing Form 4 there in the last year
Thomas M. StepienChief Executive Officer · Chief Executive Officer at Amprius Technologies, filing Form 4 there in the last year
Constantin Ionel StefanChief Technology Officer · Chief Technology Officer at Amprius Technologies, filing Form 4 there in the last year
Kathleen A. BaylessDirector · Director at Amprius Technologies, filing Form 4 there in the last year
Steven ChuDirector · Director at Amprius Technologies, filing Form 4 there in the last year
Bruce K. PoseyChief Legal Officer · Also traded QLYS in the last 90 days
Sumedh S. ThakarCEO & President · Also traded QLYS in the last 90 days
Joo Mi KimChief Financial Officer · Also traded QLYS in the last 90 days