InsiderTrades

GRETHLEIN ANDREW J

SEC CIK 1270921 · EDGAR

Buying vs selling by month open-market trades, last 44 months, GERN
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GERNGERON CORPEVP, COO 0 — $4.24M 52022-09-122024-07-08

Most active insiders at GERN, 12 months

#InsiderTitleBoughtSold
1 ROBERTSON MICHELLEEVP, CFO —$19.1K
2 Spiegel Robert J.Dir ——

GRETHLEIN ANDREW J made no open-market trades at GERN in the last 12 months.

Transactions 5

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2024-07-10 2024-07-08 GERN GERON CORP GRETHLEIN ANDREW J EVP, COO S - Sale+OE $4.56 -674.3K 0 -100% -$3.08M
D 2024-07-10 2024-07-08 GERN GERON CORP GRETHLEIN ANDREW J EVP, COO M - OptEx $1.72 +674.3K 674.3K New +$1.16M
DM 2023-02-10 2023-02-09 GERN GERON CORP GRETHLEIN ANDREW J EVP, COO S - Sale+OE $3.03 -384.7K 0 -100% -$1.17M
D 2023-02-10 2023-02-09 GERN GERON CORP GRETHLEIN ANDREW J EVP, COO M - OptEx $1.51 +150.0K 384.7K +64% +$226.5K
DM 2022-09-14 2022-09-12 GERN GERON CORP GRETHLEIN ANDREW J EVP, COO M - OptEx $1.70 +234.7K 234.7K New +$399.0K

Purchase Sale Sale after option exercise All abbreviations