Insider trading

Period: 120 months Stock: ZNTL Plan: Discretionary × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

27 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

27 decisions over 120 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

27 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

27 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
27 decisions over 120 months Remove this filter
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
27 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

27 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
14 Aug 2026
WALTERS GROUP 10% owner
Bought
$15.17M 4,335,000 at 3.50
32.1%
Largest buy in 3 yrs
9 Feb 2026
EASTLAND JULIA MARIE CEO & President
Sold at will
$2.13K 889 at 2.39
1.1%
Not planned
9 Feb 2026
Bruns Ingmar Chief Medical Officer
Sold at will
$801.62 335 at 2.39
1.0%
Not planned
6 Feb 2026
EASTLAND JULIA MARIE CEO & President
Sold at will
$19.11K 7,866 at 2.43
9.0%
Not planned
6 Feb 2026
Bruns Ingmar Chief Medical Officer
Sold at will
$7.20K 2,962 at 2.43
8.1%
Not planned
31 Dec 2025
WALTERS GROUP 10% owner
Bought
$7.75M 6,459,973 at 1.20
91.6%
First buy on file
15 Dec 2025
Sold at will
$9.98M 7,500,000 at 1.33
53.7%
Sold half or more
30 Apr 2025
Bought
$29.37K 21,000 at 1.40
8.1%
First buy on file
6 Feb 2025
Bruns Ingmar Chief Medical Officer
Bought
$45.66K 20,000 at 2.28
120%
First buy on file
3 Feb 2025
Lackner Mark Chief Scientific Officer
Sold at will
$24.59K 14,368 at 1.71
2.7%
Not planned
3 Feb 2025
Paul Andrea Chief Legal Officer
Sold at will
$22.64K 13,230 at 1.71
1.2%
Not planned
3 Feb 2025
Vultaggio Vincent PAO and Interim PFO
Sold at will
$4.48K 2,615 at 1.71
1.4%
Not planned
31 Jan 2025
Skvarka Jan Director
Bought
$103.45K 60,000 at 1.72
67.0%
First buy on file
31 Jan 2025
EASTLAND JULIA MARIE CEO & President
Bought
$49.34K 28,500 at 1.73
opened
First buy on file
31 Jan 2025
Bought
$24.97K 14,200 at 1.76
19.6%
First buy on file
2 Jan 2025
Lackner Mark Chief Scientific Officer
Sold at will
$13.76K 4,411 at 3.12
2.3%
Not planned
31 May 2024
Gallagher Cam President, Interim CFO
Sold at will
$114.97K 9,597 at 11.98
1.5%
Not planned
9 May 2024
HAUSMAN DIANA Chief Medical Officer
Sold at will
$42.35K 3,356 at 12.62
0.9%
Not planned
12 Feb 2024
Epperly Melissa B, Chief Financial Officer
Sold at will
$29.44K 2,573 at 11.44
0.6%
Not planned
12 Feb 2024
Gallagher Cam President
Sold at will
$13.42K 1,173 at 11.44
0.2%
Not planned
2 Feb 2024
Gallagher Cam President
Sold at will
$133.31K 11,552 at 11.54
1.8%
Not planned
2 Feb 2024
Epperly Melissa B, Chief Financial Officer
Sold at will
$100.04K 8,669 at 11.54
1.9%
Not planned
2 Feb 2024
Paul Andrea Chief Legal Officer
Sold at will
$38.20K 3,310 at 11.54
2.2%
Not planned
2 Feb 2024
Lackner Mark Chief Scientific Officer
Sold at will
$18.29K 1,585 at 11.54
0.8%
Not planned
13 Nov 2023
Blackwell Kimberly Chief Executive Officer
Bought
$51.45K 5,000 at 10.29
2.0%
First buy on file
10 Nov 2023
Bought
$167.94K 17,000 at 9.88
13.3%
First buy on file
20 Jun 2023
Bought
$107.86M 4,760,000 at 22.66
51.7%
First buy on file
Showing 1–27 of 27.