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Who

Kathleen A. Bayless

Director

Company insider

Files Form 4 as: Director, Amprius Technologies; Director, Veeco Instruments; Director, Energous; SVP, CFO, & Treasurer, Synaptics; EVP, CFO, Komag Inc /de/.

In numbers

Trades disclosed
289
Buys
0
Sells
24
Bought
$0
Sold
$9.5M
Companies
5
Companies where not an officer
3
First trade
15 Feb 2006
Last trade
12 Jun 2026
Last filed
16 Jun 2026

Companies traded

Where they are an officer
SYNA SynapticsOfficer · Semiconductors · last 30 Apr 20150 buys · 17 sells
Komag Inc /de/Officer · last 5 Sep 20070 buys · 7 sells
Everywhere else they filed: board seats, 10% stakes, other companies
AMPX Amprius TechnologiesDirector · Electronic Components & EMS · last 12 Jun 20260 buys · 0 sells
VECO Veeco InstrumentsDirector · Semiconductor Equipment · last 8 May 20260 buys · 0 sells
WATT EnergousDirector · Electronic Components & EMS · last 3 Jan 20220 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
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
8 May 2026filed 11 May 2026VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—2,945 at $0.00filing
8 May 2026filed 11 May 2026VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—2,945 at $0.00filing
13 Jun 2025filed 17 Jun 2025AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—44,444 at $0.00filing
9 May 2025filed 9 May 2025VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—8,291 at $0.00filing
7 Jun 2024filed 7 Jun 2024AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—125,000 at $0.00filing
10 May 2024filed 10 May 2024VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—3,677 at $0.00filing
9 Jun 2023filed 12 Jun 2023AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—1,491 at $0.00filing
12 May 2023filed 15 May 2023VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—6,760 at $0.00filing
25 Apr 2023filed 27 Apr 2023AMPX Amprius TechnologiesElectronic Components & EMSSEC FORM 4 Code A—34,762 at $0.00filing
13 May 2022filed 17 May 2022VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—6,591 at $0.00filing
3 Jan 2022filed 17 Feb 2022WATT EnergousElectronic Components & EMSSEC FORM 4 Code A—11,096 at $0.00filing
23 Jul 2021filed 27 Jul 2021WATT EnergousElectronic Components & EMSSEC FORM 4 Code A—37,091 at $0.00filing
7 May 2021filed 10 May 2021VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—5,378 at $0.00filing
8 May 2020filed 8 May 2020VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—10,389 at $0.00filing
6 May 2019filed 8 May 2019VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—9,331 at $0.00filing
4 May 2018filed 4 May 2018VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—7,643 at $0.00filing
5 May 2017filed 19 May 2017VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A—3,592 at $0.00filing
5 May 2017filed 9 May 2017VECO Veeco InstrumentsSemiconductor EquipmentSEC FORM 4 Code A$120K3,592 at $33.40filing

News

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

Sectors

Technology17
Not placed7

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

Related people

Rahul G. PatelSee remarks below · See remarks below at Synaptics, filing Form 4 there in the last year
Lisa BodensteinerOfficer · Officer at Synaptics, filing Form 4 there in the last year
Satish GanesanOfficer · Officer at Synaptics, filing Form 4 there in the last year
Vikram GuptaOfficer · Officer at Synaptics, filing Form 4 there in the last year
Esther SongOfficer · Officer at Synaptics, filing Form 4 there in the last year