LACKNER MARK

PrivateCIK: 1777413
Location

SOUTH SAN FRANCISCO, CA

LACKNER MARK (Chief Scientific Officer) sold 2.7% of their position (14.37K shares) of ZENTALIS PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $24.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderLACKNER MARKCIK 1777413
Officer· Chief Scientific Officer
Since Dec 2023
+446.25K
Net shares
Net buyer
$24.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
460.62K acquired · 14.37K disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+335.91K

Price / share

Trade value

% of position

175.6%
2/3/2025
191.32K527.22K

Common Stock

Direct
S · Sale

Shares

14.37K

Price / share

$1.71

Trade value

$24.59K

% of position

2.7%
2/3/2025
527.22K512.86K
Total

Net shares

+321.54K

Net value

-$24.59K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

124.71K shares

Shares

+124.71K

Strike price

1.68

Held after

124.71K

Exercisable

2/3/2025
LACKNER MARK — Insider Transaction (Form 4) Filed Feb 5, 2025 | Finecho