MARSHALL KEITH W

PrivateCIK: 1714828
Location

SAN DIEGO, CA

MARSHALL KEITH W (Chief Financial Officer) sold 33.8% of their position (5K shares) of PROMETHEUS BIOSCIENCES, INC. on the open market

Open‑market sale worth $596.9K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderMARSHALL KEITH WCIK 1714828
Officer· Chief Financial Officer
Since Mar 2021
-5K
Net shares
Net seller
$596.9K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
5K acquired · 10K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+5K

Price / share

$3.70

Trade value

$18.50K

% of position

51.0%
2/15/2023
9.81K14.81K

Common Stock

Direct
S · Sale

Shares

5K

Price / share

$119.38

Trade value

$596.90K

% of position

33.8%
2/15/2023
14.81K9.81K
Total

Net shares

+0.00

Net value

-$578.40K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5K shares

Shares

5K

Strike price

3.70

Held after

113.04K

Exercisable

2/15/2023
MARSHALL KEITH W — Insider Transaction (Form 4) Filed Feb 17, 2023 | Finecho