Stocks
DYAI DYADIC INTERNATIONAL INC

DYAI

DYADIC INTERNATIONAL INC

Company with tickers: DYAI

CIK

1213809

CUSIP

26745T101

Shares Outstanding

36,438,703

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-01-02	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	18,064	—	—	50,897
2026-01-02	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	47,250	—	—	47,250
2026-01-02	Rawson Ping Wang	Chief Financial Officer	Award	47,250	—	—	47,250
2026-01-02	Rawson Ping Wang	Chief Financial Officer	Award	29,158	—	—	170,151
2026-01-02	Lucy Patrick K.	Director	Award	67,500	—	—	67,500
2026-01-02	Lucy Patrick K.	Director	Convert	21,552	—	—	0
2026-01-02	Lucy Patrick K.	Director	Convert	21,552	—	—	72,311
2026-01-02	Lucy Patrick K.	Director	Award	39,894	—	—	39,894
2026-01-02	Kaye Jack	Director	Convert	21,552	—	—	0
2026-01-02	Kaye Jack	Director	Convert	21,552	—	—	81,201
2026-01-02	Kaye Jack	Director	Award	39,894	—	—	39,894
2026-01-02	Kaye Jack	Director	Award	67,500	—	—	67,500
2026-01-02	HERBST SETH	Director	Award	50,000	—	—	50,000
2026-01-02	HERBST SETH	Director	Award	39,894	—	—	39,894
2026-01-02	HERBST SETH	Director	Convert	21,552	—	—	0
2026-01-02	HERBST SETH	Director	Convert	21,552	—	—	202,311
2026-01-02	Hazelton Joseph P	President & COO	Award	67,250	—	—	67,250
2026-01-02	Hazelton Joseph P	President & COO	Award	36,418	—	—	191,758
2026-01-02	EMALFARB MARK A	Director, CEO, 10% Owner	Award	126,000	—	—	126,000
2026-01-02	EMALFARB MARK A	Director, CEO, 10% Owner	Award	102,609	—	—	4,832,667
2025-12-23	EMALFARB MARK A	Director, CEO, 10% Owner	Award	0	—	—	0
2025-12-23	EMALFARB MARK A	Director, CEO, 10% Owner	Other	0	—	—	0
2025-09-15	EMALFARB MARK A	Director, CEO, 10% Owner	Buy	0	$1,000,000.00	$0	0
2025-08-01	Hazelton Joseph P	President & COO	Buy	26,000	$0.95	$24,700	155,340
2025-06-20	Tarnok Michael P.	Director	Convert	10,776	—	—	0
2025-06-20	Tarnok Michael P.	Director	Convert	10,776	—	—	281,033
2025-06-20	Bose Arindam	Director	Other	10,776	—	—	0
2025-06-20	Bose Arindam	Director	Convert	10,776	—	—	61,535
2025-06-20	Bose Arindam	Director	Convert	10,776	—	—	0
2025-05-30	Hazelton Joseph P	President & COO	Award	25,000	—	—	25,000
2025-03-05	Kaye Jack	Director	Convert	7,500	—	—	0
2025-03-05	Kaye Jack	Director	Tax	27,517	$1.45	$39,900	59,649
2025-03-05	Kaye Jack	Director	Convert	7,500	$1.33	$9,975	64,666
2025-01-06	HERBST SETH	Director	Convert	18,750	$0.97	$18,188	174,509
2025-01-02	Kaye Jack	Director	Award	21,552	—	—	21,552
2025-01-02	Kaye Jack	Director	Award	67,500	—	—	67,500
2025-01-02	Kaye Jack	Director	Convert	23,585	—	—	0
2025-01-02	Kaye Jack	Director	Convert	23,585	—	—	57,166
2025-01-02	Tarnok Michael P.	Director	Convert	23,585	—	—	0
2025-01-02	Tarnok Michael P.	Director	Award	10,776	—	—	10,776
2025-01-02	Tarnok Michael P.	Director	Award	25,000	—	—	25,000
2025-01-02	Tarnok Michael P.	Director	Convert	23,585	—	—	270,257
2025-01-02	HERBST SETH	Director	Award	50,000	—	—	50,000
2025-01-02	HERBST SETH	Director	Award	21,552	—	—	21,552
2025-01-02	HERBST SETH	Director	Convert	23,585	—	—	0
2025-01-02	HERBST SETH	Director	Convert	23,585	—	—	155,759
2025-01-02	Lucy Patrick K.	Director	Award	21,552	—	—	21,552
2025-01-02	Lucy Patrick K.	Director	Award	67,500	—	—	67,500
2025-01-02	Lucy Patrick K.	Director	Convert	23,585	—	—	50,759
2025-01-02	Lucy Patrick K.	Director	Convert	23,585	—	—	0
2025-01-02	Rawson Ping Wang	Chief Financial Officer	Award	20,776	—	—	140,993
2025-01-02	Rawson Ping Wang	Chief Financial Officer	Award	64,500	—	—	64,500
2025-01-02	Bose Arindam	Director	Convert	23,585	—	—	0
2025-01-02	Bose Arindam	Director	Convert	23,585	—	—	50,759
2025-01-02	Bose Arindam	Director	Award	67,500	—	—	67,500
2025-01-02	Bose Arindam	Director	Award	21,552	—	—	21,552
2025-01-02	Hazelton Joseph P	President & COO	Award	75,000	—	—	75,000
2025-01-02	Hazelton Joseph P	President & COO	Award	30,172	—	—	129,340
2025-01-02	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	8,980	—	—	32,833
2025-01-02	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	45,000	—	—	45,000
2025-01-02	EMALFARB MARK A	Director, CEO, 10% Owner	Award	73,111	—	—	4,730,058
2025-01-02	EMALFARB MARK A	Director, CEO, 10% Owner	Award	172,000	—	—	172,000
2024-11-22	Tarnok Michael P.	Director	Convert	6,250	—	—	0
2024-11-22	Tarnok Michael P.	Director	Convert	6,250	$0.97	$6,063	227,922
2024-06-11	Buckland Barry	Director	Other	11,792	—	—	38,967
2024-06-11	Buckland Barry	Director	Convert	11,793	$1.59	$18,751	38,967
2024-06-11	Buckland Barry	Director	Convert	11,793	—	—	38,967
2024-05-21	Tarnok Michael P.	Director	Convert	7,500	$1.36	$10,200	223,603
2024-05-21	Tarnok Michael P.	Director	Convert	7,500	—	—	0
2024-05-21	Tarnok Michael P.	Director	Tax	24,431	$1.67	$40,800	221,672
2024-04-11	Lucy Patrick K.	Director	Award	13,125	—	—	13,125
2024-04-11	Tarnok Michael P.	Director	Other	13,125	—	—	54,375
2024-04-11	Hazelton Joseph P	President & COO	Award	20,000	—	—	20,000
2024-03-13	EMALFARB MARK A	Director, CEO, 10% Owner	Award	124,454	—	—	4,656,947
2024-03-13	Rawson Ping Wang	Chief Financial Officer	Award	35,366	—	—	120,217
2024-03-13	Hazelton Joseph P	President & COO	Award	41,720	—	—	99,168
2024-03-13	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	11,169	—	—	23,853
2024-01-06	HERBST SETH	Director	Convert	18,750	—	—	0
2024-01-03	HERBST SETH	Director	Convert	27,174	—	—	132,174
2024-01-03	HERBST SETH	Director	Convert	27,174	—	—	0
2024-01-03	Tarnok Michael P.	Director	Convert	27,174	—	—	216,103
2024-01-03	Tarnok Michael P.	Director	Convert	27,174	—	—	0
2024-01-03	Bose Arindam	Director	Convert	27,174	—	—	0
2024-01-03	Bose Arindam	Director	Convert	27,174	—	—	27,174
2024-01-03	Lucy Patrick K.	Director	Convert	27,174	—	—	27,174
2024-01-03	Lucy Patrick K.	Director	Convert	27,174	—	—	0
2024-01-03	Buckland Barry	Director	Convert	27,174	—	—	27,174
2024-01-03	Buckland Barry	Director	Convert	27,174	—	—	0
2024-01-03	Kaye Jack	Director	Convert	27,174	—	—	33,581
2024-01-03	Kaye Jack	Director	Convert	27,174	—	—	0
2024-01-02	EMALFARB MARK A	Director, CEO, 10% Owner	Award	200,000	—	—	200,000
2024-01-02	HERBST SETH	Director	Award	50,000	—	—	50,000
2024-01-02	HERBST SETH	Director	Award	23,585	—	—	23,585
2024-01-02	Tarnok Michael P.	Director	Award	67,500	—	—	67,500
2024-01-02	Tarnok Michael P.	Director	Award	23,585	—	—	23,585
2024-01-02	Bose Arindam	Director	Award	23,585	—	—	23,585
2024-01-02	Bose Arindam	Director	Award	67,500	—	—	67,500
2024-01-02	Hazelton Joseph P	President & COO	Award	75,000	—	—	75,000
2024-01-02	Rawson Ping Wang	Chief Financial Officer	Award	75,000	—	—	75,000
2024-01-02	TCHELET RONEN	VP of Research and Bus. Dvlpmt	Award	37,500	—	—	37,500