rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Ronen Tchelet

VP of Research and Bus. Dvlpmt

Company insider

Files Form 4 as: VP of Research and Bus. Dvlpmt, Dyadic International.

In numbers

Trades disclosed
90
Buys
0
Sells
13
Bought
$0
Sold
$630K
Companies
1
Companies where not an officer
0
First trade
17 Jun 2019
Last trade
2 Jan 2026
Last filed
6 Jan 2026

Companies traded

Where they are an officer
DYAI Dyadic InternationalOfficer · Biotechnology · last 2 Jan 20260 buys · 13 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
2 Jan 2026filed 6 Jan 2026DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code A—18,064 at $0.00filing
2 Jan 2026filed 6 Jan 2026DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—47,250 at $0.00filing
2 Jan 2026filed 6 Jan 2026DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—47,250 at $0.00filing
2 Jan 2026filed 6 Jan 2026DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code A—18,064 at $0.00filing
2 Jan 2025filed 7 Jan 2025DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—45,000 at $0.00filing
2 Jan 2025filed 7 Jan 2025DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code A—8,980 at $0.00filing
13 Mar 2024filed 15 Apr 2024DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code A—11,169 at $0.00filing
2 Jan 2024filed 4 Jan 2024DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—37,500 at $0.00filing
3 Jan 2023filed 5 Jan 2023DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—37,500 at $0.00filing
3 Jan 2023filed 5 Jan 2023DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code A$18K12,684 at $1.38filing
8 Jul 2022filed 11 Jul 2022DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code M—1,089 at $0.00filing
8 Jul 2022filed 11 Jul 2022DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code M$1,7101,089 at $1.57filing
8 Jul 2022filed 11 Jul 2022DYAI Dyadic InternationalBiotechnologySEC FORM 4 Sold$3,7131,089 at $3.41filing
7 Jul 2022filed 11 Jul 2022DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code M—7,854 at $0.00filing
7 Jul 2022filed 11 Jul 2022DYAI Dyadic InternationalBiotechnologySEC FORM 4 Code M$12K7,854 at $1.57filing
7 Jul 2022filed 11 Jul 2022DYAI Dyadic InternationalBiotechnologySEC FORM 4 Sold$27K7,854 at $3.50filing
3 Jan 2022filed 5 Jan 2022DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—37,500 at $0.00filing
4 Jan 2021filed 6 Jan 2021DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—67,500 at $0.00filing
2 Jan 2020filed 3 Jan 2020DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code A—75,000 at $0.00filing
11 Dec 2019filed 12 Dec 2019DYAI Dyadic Internationaloption or derivative · BiotechnologySEC FORM 4 Code M—4,575 at $0.00filing

News

Lisata Therapeutics (NASDAQ:LSTA) versus Dyadic International (NASDAQ:DYAI) Head to Head ContrastDYAI · dailypolitical.com · 22 Oct 2026

0 headlines in the last 90 days name Ronen Tchelet; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care13

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

Related people

Francisco Trust under agreement dated February 28, 199610% owner · 10% owner at Dyadic International, filing Form 4 there in the last year
Jack KayeDirector · Director at Dyadic International, filing Form 4 there in the last year
Mark A. EmalfarbCEO · CEO at Dyadic International, filing Form 4 there in the last year
Seth HerbstDirector · Director at Dyadic International, filing Form 4 there in the last year
Ping Wang RawsonChief Financial Officer · Chief Financial Officer at Dyadic International, filing Form 4 there in the last year