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Who

Cory Sindelar

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Calix; Chief Financial Officer, Violin Memory; Chief Financial Officer, Ikanos Communications.

Every Form 4 they filed

In numbers

Trades disclosed
194
Buys
16
Sells
12
Bought
$594K
Sold
$8.1M
Companies
3
Companies where not an officer
0
First trade
13 Feb 2007
Last trade
14 Feb 2026
Last filed
17 Feb 2026

Companies traded

Where they are an officer
CALX CalixOfficer · Telecom Carriers · last 14 Feb 202611 buys · 9 sells
Violin MemoryOfficer · last 20 Sep 20164 buys · 0 sells
Ikanos CommunicationsOfficer · last 7 May 20101 buy · 3 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
14 Feb 2026filed 17 Feb 2026CALX CalixTelecom CarriersSEC FORM 4 Code A$20K439 at $45.32filing
14 Feb 2026filed 17 Feb 2026CALX CalixTelecom CarriersSEC FORM 4 Code A$20K439 at $45.32filing
12 Feb 2026filed 17 Feb 2026CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code A—170,000 at $0.00filing
12 Feb 2026filed 17 Feb 2026CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code A—170,000 at $0.00filing
2 Feb 2026filed 3 Feb 2026CALX CalixTelecom CarriersSEC FORM 4 Code M$136K27,000 at $5.05filing
2 Feb 2026filed 3 Feb 2026CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—27,000 at $0.00filing
2 Feb 2026filed 3 Feb 2026CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—27,000 at $0.00filing
2 Feb 2026filed 3 Feb 2026CALX CalixTelecom CarriersSEC FORM 4 Code M$136K27,000 at $5.05filing
6 Nov 2025filed 12 Nov 2025CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—50,000 at $0.00filing
6 Nov 2025filed 12 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Code M$253K50,000 at $5.05filing
6 Nov 2025filed 12 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Sold$3.3M50,000 at $65.30filing
31 Oct 2025filed 3 Nov 2025CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—10,000 at $0.00filing
31 Oct 2025filed 3 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Code M$51K10,000 at $5.05filing
31 Oct 2025filed 3 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Sold$700K10,000 at $70.00filing
30 Oct 2025filed 3 Nov 2025CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—10,000 at $0.00filing
30 Oct 2025filed 3 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Code M$51K10,000 at $5.05filing
30 Oct 2025filed 3 Nov 2025CALX CalixTelecom CarriersSEC FORM 4 Sold$650K10,000 at $65.00filing
28 Aug 2025filed 29 Aug 2025CALX Calixoption or derivative · Telecom CarriersSEC FORM 4 Code M—10,000 at $0.00filing
28 Aug 2025filed 29 Aug 2025CALX CalixTelecom CarriersSEC FORM 4 Code M$51K10,000 at $5.05filing
28 Aug 2025filed 29 Aug 2025CALX CalixTelecom CarriersSEC FORM 4 Sold$600K10,000 at $60.00filing

Sectors

Communications20
Not placed8

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

Related people

Carl RussoDirector and 10% owner · Director and 10% owner at Calix, filing Form 4 there in the last year
Kathleen M. CruscoDirector · Director at Calix, filing Form 4 there in the last year
Michael J. BerryChief Financial Officer · Director at Calix, filing Form 4 there in the last year
Kira MakagonPresident and COO · Director at Calix, filing Form 4 there in the last year
Wade OostermanDirector · Director at Calix, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded CALX in the last 90 days