ZNTL Zentalis Pharmaceuticals, Inc.

NASDAQ
$2.70

Zentalis Pharmaceuticals, Inc. (ZNTL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 1 buyer in the last 90 days 0 sellers in the last 90 days
Insiders buying
1
2 transactions
Insiders selling
4
10 transactions
Purchases
$22.9M
10,794,973 shares
Sales
$10.1M
7,555,372 shares
Net activity
$12.8M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $18.1K 2 transactions · 7,450 shares
Discretionary sales $10.1M 8 transactions · 7,547,922 shares

Largest single sale: $10.0M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 14, 2026 .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Buy 4,335,000 $3.50 $15.2M 17,844,973
Vultaggio Vincent PAO and PFO Sell 10b5-1 6,894 $2.42 $16.7K 146,506 −4.5% of holding
Vultaggio Vincent PAO and PFO Sell 3,379 $2.39 $8.1K 153,400 −2.2% of holding
EASTLAND JULIA MARIE CEO & President Sell 889 $2.39 $2.1K 79,133 −1.1% of holding
Bruns Ingmar Chief Medical Officer Sell 335 $2.39 $802 33,332 −1% of holding
Vultaggio Vincent PAO and PFO Sell 29,951 $2.43 $72.8K 156,779 −16% of holding
EASTLAND JULIA MARIE CEO & President Sell 7,866 $2.43 $19.1K 80,022 −9% of holding
Bruns Ingmar Chief Medical Officer Sell 2,962 $2.43 $7.2K 33,667 −8.1% of holding
Vultaggio Vincent PAO and PFO Sell 10b5-1 556 $2.52 $1.4K 186,730 −0.3% of holding
Vultaggio Vincent PAO and PFO Sell 2,540 $2.55 $6.5K 187,286 −1.3% of holding
Buy 6,459,973 $1.20 $7.8M 13,509,973
Sell 7,500,000 $1.33 $10.0M 6,459,973 −53.7% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.