Zentalis Pharmaceuticals, Inc. (ZNTL)

Latest Insider Confidence Score

2026Q1

50.7
Bullish

Company insider confidence (by quarter)

2020Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Goel David E. 10% Owner 13,959,973 Jun 20, 2023
Matrix Capital Management Company, LP 10% Owner 13,959,973 Jun 20, 2023
WALTERS GROUP 10% Owner 7,050,000 Jan 8, 2026
WALTERS WILLIAM THURMAN 10% Owner 7,050,000 Jan 8, 2026
WALTERS SUSAN BERKLEY 10% Owner 7,050,000 Jan 8, 2026

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 6, 2026 Feb 10, 2026 Bruns Ingmar Chief Medical Officer Sell 47.5 -3,297 -9.00% $8K
Feb 6, 2026 Feb 10, 2026 Vultaggio Vincent PAO and PFO Sell 16.3 -40,224 -21.54% $97.6K
Feb 6, 2026 Feb 10, 2026 EASTLAND JULIA MARIE CEO Sell 46.3 -8,755 -9.96% $21.2K
Feb 2, 2026 Feb 4, 2026 Vultaggio Vincent PAO and PFO Sell 48.8 -3,096 -1.63% $7.9K
Jan 8, 2026 Jan 9, 2026 Vultaggio Vincent PAO and PFO Neutral 52.5 - 0.00% -
Jan 8, 2026 Jan 9, 2026 Bucher James B Chief Legal Officer Neutral 52.5 - 0.00% -
Jan 8, 2026 Jan 9, 2026 Bruns Ingmar Chief Medical Officer Neutral 52.5 - 0.00% -
Jan 8, 2026 Jan 9, 2026 EASTLAND JULIA MARIE CEO Neutral 52.5 - 0.00% -
Dec 31, 2025 Jan 8, 2026 WALTERS GROUP 10% Owner Buy 100.0 +6,459,973 91.63% $7.8M
Jan 8, 2026 WALTERS GROUP 10% Owner Neutral 52.5 - 0.00% -
Dec 15, 2025 Dec 15, 2025 Matrix Capital Management Company, LP 10% Owner Sell 16.3 -7,500,000 -53.73% $10M
Oct 1, 2025 Oct 1, 2025 Bucher James B Chief Legal Officer Neutral 52.5 - 0.00% -
Sep 22, 2025 Bucher James B Chief Legal Officer Neutral 52.5 - 0.00% -
Jun 17, 2025 Jun 18, 2025 Walker Luke Nathaniel Director Neutral 90.0 +57,603 66.45% -
Jun 17, 2025 Jun 18, 2025 Skvarka Jan Director Neutral 90.0 +57,603 38.52% -
Jun 17, 2025 Jun 18, 2025 Johnson David Michael Director Neutral 90.0 +57,603 29.87% -
Jun 17, 2025 Jun 18, 2025 Kariuki Enoch Director Neutral 90.0 +57,603 72.22% -
Jun 17, 2025 Jun 18, 2025 Myers Scott Dunseth Director Neutral 90.0 +57,603 20.49% -
Apr 30, 2025 Apr 30, 2025 Myers Scott Dunseth Director Buy 86.3 +21,000 8.07% $29.4K
Feb 6, 2025 Feb 12, 2025 Bruns Ingmar Chief Medical Officer Buy 91.3 +20,000 120.27% $45.7K
Feb 3, 2025 Feb 5, 2025 Vultaggio Vincent PAO and Interim PFO Sell 90.0 +155,971 460.70% $4.5K
Feb 3, 2025 Feb 5, 2025 Lackner Mark Chief Scientific Officer Sell 91.3 +321,539 168.07% $24.6K
Feb 3, 2025 Feb 5, 2025 Paul Andrea Chief Legal Officer Sell 91.3 +920,811 613.98% $22.6K
Feb 3, 2025 Feb 5, 2025 Bruns Ingmar Chief Medical Officer Neutral 90.0 +16,629 100.00% -
Feb 3, 2025 Feb 5, 2025 EASTLAND JULIA MARIE CEO Neutral 90.0 +59,388 208.38% -
Jan 31, 2025 Feb 4, 2025 Skvarka Jan Director Buy 95.0 +60,000 67.00% $103.4K
Jan 31, 2025 Feb 4, 2025 Walker Luke Nathaniel Director Buy 91.3 +14,200 19.59% $25K
Jan 31, 2025 Feb 4, 2025 EASTLAND JULIA MARIE CEO Buy 91.3 +28,500 100.00% $49.3K
Jan 2, 2025 Jan 3, 2025 Lackner Mark Chief Scientific Officer Sell 46.3 -4,411 -2.25% $13.8K
Dec 2, 2024 Dec 3, 2024 Bruns Ingmar Chief Medical Officer Neutral 52.5 - 0.00% -
Dec 2, 2024 Dec 3, 2024 EASTLAND JULIA MARIE CEO Neutral 52.5 - 0.00% -
Nov 13, 2024 Nov 13, 2024 Myers Scott Dunseth Director Neutral 90.0 +260,192 100.00% -
Nov 13, 2024 Bruns Ingmar Chief Medical Officer Neutral 52.5 - 0.00% -
Nov 13, 2024 EASTLAND JULIA MARIE CEO Neutral 52.5 - 0.00% -
Nov 13, 2024 Myers Scott Dunseth Director Neutral 52.5 - 0.00% -
Oct 4, 2024 Oct 4, 2024 Vultaggio Vincent Principal Accounting Officer Sell 42.5 -1,603 -4.52% $5.1K
Jun 21, 2024 Jun 21, 2024 Skvarka Jan Director Neutral 90.0 +41,581 86.68% -
Jun 21, 2024 Jun 21, 2024 Kariuki Enoch Director Neutral 90.0 +41,581 108.90% -
Jun 21, 2024 Jun 21, 2024 Johnson David Michael Director Neutral 90.0 +48,429 33.54% -
May 31, 2024 May 31, 2024 Gallagher Cam CFO Sell 45.0 -9,597 -1.49% $115K
May 24, 2024 May 29, 2024 Walker Luke Nathaniel Director Neutral 90.0 +72,481 100.00% -
May 29, 2024 Walker Luke Nathaniel Director Neutral 52.5 - 0.00% -
May 9, 2024 May 9, 2024 HAUSMAN DIANA Chief Medical Officer Sell 48.8 -3,356 -0.89% $42.4K
Apr 11, 2024 Vultaggio Vincent Principal Accounting Officer Neutral 52.5 - 0.00% -
Feb 12, 2024 Feb 12, 2024 Epperly Melissa B, CFO Sell 51.3 -2,573 -0.57% $29.4K
Feb 12, 2024 Feb 12, 2024 Gallagher Cam President Sell 53.8 -1,173 -0.18% $13.4K
Feb 1, 2024 Feb 5, 2024 HAUSMAN DIANA Chief Medical Officer Neutral 90.0 +337,500 849.44% -
Feb 1, 2024 Feb 5, 2024 Lackner Mark Chief Scientific Officer Sell 91.3 +139,415 247.57% $18.3K
Feb 1, 2024 Feb 5, 2024 Paul Andrea Chief Legal Officer Sell 91.3 +109,190 267.73% $38.2K
Feb 1, 2024 Feb 5, 2024 Gallagher Cam President Sell 95.0 +180,948 39.04% $133.3K
Feb 1, 2024 Feb 5, 2024 Epperly Melissa B, CFO Sell 95.0 +66,331 17.11% $100K
Feb 1, 2024 Feb 5, 2024 Blackwell Kimberly CEO Sell 95.0 +229,345 90.01% $241.5K
Jan 2, 2024 Jan 3, 2024 Lackner Mark Chief Scientific Officer Neutral 90.0 +40,000 245.20% -
Jan 3, 2024 Lackner Mark Chief Scientific Officer Neutral 52.5 - 0.00% -
Dec 20, 2023 Dec 21, 2023 Bunker Kevin D. Chief Scientific Officer Neutral 27.5 -24,158 -2.76% -
Nov 10, 2023 Nov 13, 2023 Johnson David Michael Director Buy 95.0 +17,000 13.34% $167.9K
Nov 13, 2023 Nov 13, 2023 Blackwell Kimberly CEO Buy 82.5 +5,000 2.00% $51.4K
Oct 4, 2023 Oct 6, 2023 Brownstein Carrie Chief Medical Officer Sell 28.8 -10,628 -9.14% $207.3K
Oct 4, 2023 Oct 6, 2023 Bunker Kevin D. Chief Scientific Officer Sell 47.5 -6,068 -0.69% $118.4K
Oct 4, 2023 Oct 6, 2023 Epperly Melissa B, CFO Sell 45.0 -5,482 -1.39% $106.9K
Sep 11, 2023 Sep 13, 2023 Skvarka Jan Director Sell 28.8 -5,000 -9.44% $125.2K
Jun 20, 2023 Jun 20, 2023 Matrix Capital Management Company, LP 10% Owner Buy 100.0 +4,760,000 51.74% $107.9M
Jun 16, 2023 Jun 16, 2023 Johnson David Michael Director Neutral 90.0 +19,059 17.59% -
Jun 16, 2023 Jun 16, 2023 Kariuki Enoch Director Neutral 90.0 +16,364 75.01% -
Jun 16, 2023 Jun 16, 2023 Skvarka Jan Director Neutral 90.0 +16,364 44.70% -
May 31, 2023 May 31, 2023 Gallagher Cam President Sell 30.0 -27,768 -5.65% $729.5K
May 26, 2023 May 31, 2023 Bunker Kevin D. Chief Scientific Officer Sell 23.8 -80,000 -8.33% $2.4M
May 8, 2023 May 10, 2023 HAUSMAN DIANA Director Neutral 90.0 +39,732 100.00% -
May 10, 2023 HAUSMAN DIANA Director Neutral 52.5 - 0.00% -
Mar 1, 2023 Mar 2, 2023 Roth Iris COO Neutral 90.0 +52,500 100.00% -
Feb 13, 2023 Feb 14, 2023 Epperly Melissa B, CFO Sell 45.0 -7,851 -1.96% $158K
Feb 13, 2023 Feb 14, 2023 Gallagher Cam President Sell 41.3 -11,833 -2.35% $237.8K
Feb 13, 2023 Feb 14, 2023 Bunker Kevin D. Chief Scientific Officer Sell 45.0 -10,307 -1.06% $207.6K
Feb 13, 2023 Roth Iris COO Neutral 52.5 - 0.00% -
Feb 6, 2023 Feb 6, 2023 Gallagher Cam President Sell 45.0 -10,000 -1.95% $222.7K
Nov 9, 2022 Feb 1, 2023 Bunker Kevin D. Chief Scientific Officer Neutral 85.0 +61,354 6.75% -
Feb 1, 2023 Feb 1, 2023 Gallagher Cam President Neutral 90.0 +161,092 45.76% -
Feb 1, 2023 Feb 1, 2023 Blackwell Kimberly CEO Neutral 90.0 +244,800 4896.00% -
Feb 1, 2023 Feb 1, 2023 Epperly Melissa B, CFO Neutral 90.0 +101,957 34.22% -
Feb 1, 2023 Feb 1, 2023 Paul Andrea General Counsel Neutral 90.0 +40,783 100.00% -
Feb 1, 2023 Feb 1, 2023 Brownstein Carrie Chief Medical Officer Neutral 90.0 +16,313 16.31% -
Jan 17, 2023 Jan 18, 2023 Gallagher Cam President Sell 41.3 -10,000 -2.76% $241.5K
Jan 5, 2023 Jan 5, 2023 Gallagher Cam President Sell 41.3 -10,000 -2.69% $210.2K
Nov 15, 2022 Nov 15, 2022 Gallagher Cam President Sell 35.0 -12,500 -3.25% $284.7K
Nov 7, 2022 Nov 8, 2022 Gallagher Cam President Sell 30.0 -24,874 -6.08% $587.4K
Oct 17, 2022 Oct 17, 2022 Gallagher Cam President Sell 38.8 -12,500 -2.96% $293.9K
Oct 5, 2022 Oct 7, 2022 Gallagher Cam President Sell 30.0 -22,500 -5.06% $505.2K
Oct 3, 2022 Oct 3, 2022 Epperly Melissa B, CFO Neutral 90.0 +50,000 20.20% -
Oct 3, 2022 Oct 3, 2022 Bunker Kevin D. Chief Scientific Officer Neutral 85.0 +50,000 5.82% -
Oct 3, 2022 Oct 3, 2022 Brownstein Carrie Chief Medical Officer Neutral 90.0 +100,000 100.00% -
Oct 3, 2022 Brownstein Carrie Chief Medical Officer Neutral 52.5 - 0.00% -
Sep 15, 2022 Sep 16, 2022 Gallagher Cam President Sell 35.0 -22,500 -4.82% $560.3K
Sep 9, 2022 Sep 12, 2022 Skvarka Jan Director Neutral 90.0 +36,606 100.00% -
Sep 12, 2022 Skvarka Jan Director Neutral 52.5 - 0.00% -
Aug 10, 2022 Aug 12, 2022 Bunker Kevin D. COO Sell 47.5 -5,000 -0.58% $150K
Aug 1, 2022 Aug 1, 2022 Paul Andrea General Counsel Neutral 52.5 - 0.00% -
Aug 1, 2022 Paul Andrea General Counsel Neutral 52.5 - 0.00% -
Jul 20, 2022 Jul 20, 2022 Bunker Kevin D. COO Sell 47.5 -5,000 -0.58% $150K
Jul 13, 2022 Jul 14, 2022 Bunker Kevin D. COO Sell 47.5 -5,000 -0.57% $150.1K
Jul 5, 2022 Jul 6, 2022 Bunker Kevin D. COO Sell 38.8 -25,000 -2.78% $751.7K