InsiderTrades

EMALFARB MARK A

SEC CIK 1328287 · EDGAR

Buying vs selling by month open-market trades, last 58 months, DYAI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
DYAIDYADIC INTERNATIONAL INCPres, CEO, Dir, 10% 4.83M — $379.5K 62021-12-212026-01-02

Most active insiders at DYAI, 12 months

#InsiderTitleBoughtSold
1 Francisco Trust under agreement dated February 28, 199610% —$125.0K
2 Hazelton Joseph PPres, COO ——
3 Rawson Ping WangCFO ——
4 HERBST SETHDir ——
5 TCHELET RONENVP of Research, Bus. Dvlpmt ——
6 Lucy Patrick K.Dir ——
7 Kaye JackDir ——
8 EMALFARB MARK ACEO, Dir, 10% ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-01-06 2026-01-02 DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A CEO, Dir, 10% A - Grant $0.00 +102.6K 4.83M +2% $0
D 2025-01-07 2025-01-02 DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A Pres, CEO, Dir, 10% A - Grant $0.00 +73.1K 4.73M +2% $0
2024-04-15 2024-03-13 DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A Pres, CEO, Dir, 10% A - Grant $0.00 +124.5K 4.66M +3% $0
D 2023-01-05 2023-01-03 DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A Pres, CEO, Dir, 10% A - Grant $1.38 +138.5K 4.53M +3% +$191.1K
DMI 2021-12-23 2021-12-21+ DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A Pres, CEO, Dir, 10% S - Sale+OE $4.17 -90.9K 4.24M -2% -$379.5K
DI 2021-12-23 2021-12-23 DYAI DYADIC INTERNATIONAL INC EMALFARB MARK A Pres, CEO, Dir, 10% M - OptEx $1.63 +150.0K 4.39M +4% +$244.5K

Purchase Sale Sale after option exercise All abbreviations