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Who

Walter Jankovic

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Harmonic; Pres., Optical Connectivity, Oclaro.

In numbers

Trades disclosed
128
Buys
1
Sells
0
Bought
$113K
Sold
$0
Companies
2
Companies where not an officer
0
First trade
12 Feb 2018
Last trade
11 Sep 2026
Last filed
15 Sep 2026

Companies traded

Where they are an officer
HLIT HarmonicOfficer · Electronic Components & EMS · last 11 Sep 20261 buy · 0 sells
OclaroOfficer · last 10 Dec 20180 buys · 0 sells

Activity over time

1 Feb 2025 – 1 Oct 2026
01Feb 25Jul 25Dec 25May 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
11 Sep 2026filed 15 Sep 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code M—1,457 at $0.00filing
11 Sep 2026filed 15 Sep 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code F$8,784732 at $12.00filing
11 Sep 2026filed 15 Sep 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—1,457 at $0.00filing
11 Sep 2026filed 15 Sep 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—1,457 at $0.00filing
11 Sep 2026filed 15 Sep 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code M—1,457 at $0.00filing
11 Sep 2026filed 15 Sep 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code F$8,784732 at $12.00filing
15 Aug 2026filed 18 Aug 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code M—19,784 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code F$138K9,930 at $13.92filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—3,217 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—3,217 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,071 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,496 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,071 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,496 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code M—19,784 at $0.00filing
15 Aug 2026filed 18 Aug 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code F$138K9,930 at $13.92filing
10 Aug 2026filed 12 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—20,614 at $0.00filing
10 Aug 2026filed 12 Aug 2026HLIT Harmonicoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—20,614 at $0.00filing
11 Jun 2026filed 15 Jun 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code M—1,457 at $0.00filing
11 Jun 2026filed 15 Jun 2026HLIT HarmonicElectronic Components & EMSSEC FORM 4 Code F$11K732 at $14.51filing

News

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

Sectors

Technology1

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

Related people

Ronald J. GlahnSVP, Global Sales, Broadband · SVP, Global Sales, Broadband at Harmonic, filing Form 4 there in the last year
Nimrod Ben-NatanPresident and CEO · President and CEO at Harmonic, filing Form 4 there in the last year
Timothy C. ChuGeneral Counsel & SVP, HR · General Counsel & SVP, HR at Harmonic, filing Form 4 there in the last year
Neven HaltmayerSVP & GM, Video Business · SVP & GM, Video Business at Harmonic, filing Form 4 there in the last year
Stephanie CopelandDirector · Director at Harmonic, filing Form 4 there in the last year