IDEAYA Biosciences, Inc.

By person

16 insiders · 119 transactions

39.4×

Yujiro S. Hata holds 39.4 times base salary in stock. $27.64M of shares against $700.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Yujiro S. Hata last reported holding, valued at $40.01, the price Common Stock was last bought or sold at on the open market here, on 7 Jul 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Hata Yujiro S

President and CEO

—

$17.56M (14) scheduled

−$17.56M

690,695

0.7158%

$27.64M

+15.9%

CANAAN X L.P.

10% owner

$4.00M (1)

—

+$4.00M

2,660,713

2.76%

$106.46M

—

SHANNON TIMOTHY M

Director

$4.00M (1)

—

+$4.00M

2,660,713

2.76%

$106.46M

—

5AM Ventures IV, L.P. entity

10% owner

$7.50M (3)

$10.93M (3)

−$3.43M

384,496

0.3985%

$15.39M

—

DIEKMAN JOHN D

Director

$2.50M (2)

—

+$2.50M

118,521

0.1228%

$4.74M

—

Stone Paul A.

Chief Financial Officer

$2.50M (2)

$463.15K (9) scheduled

+$2.04M

127,824

0.1325%

$5.11M

—

Stein Jeffrey

Director

$1.65M (1)

—

+$1.65M

54,281

0.0563%

$2.17M

+1,168%

Throne Jason

Chief Legal Officer

—

$1.62M (19) scheduled

−$1.62M

63,484

0.0658%

$2.54M

+1,417%

Dillon Michael P.

SVP, Chief Scientific Officer

—

$1.50M (16) scheduled

−$1.50M

78,789

0.0817%

$3.15M

−13.5%

WHITE MICHAEL ANTHONY

Chief Scientific Officer

—

$1.03M (2) scheduled

−$1.03M

0.0000%

$0.00

—

BVF PARTNERS L P/IL entity

See Explanation of Responses

$1.72M (9)

$835.36K (3)

+$887.27K

233,150

0.2416%

$9.33M

+46.6%

Ruiz Briseno Andres

Chief Accounting Officer

—

$762.27K (7) scheduled

−$762.27K

26,466

0.0274%

$1.06M

−23.4%

Alexandria Venture Investments, LLC entity

10% owner

$500.00K (1)

—

+$500.00K

432,384

0.4481%

$17.30M

—

Lackner Mark

SVP, Head of Biology

—

$204.18K (11) scheduled

−$204.18K

0.0000%

$0.00

−100.0%

Hager Jeffrey

SVP, Chief Technology Officer

—

127,853

0.1325%

$5.12M

+19.6%

Snyder Douglas B.

SVP, General Counsel

—

2,080

0.0022%

$83.23K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Ruiz Briseno Andres

9 Feb 2024

See Remarks

Sold on a plan

2,000

$46.02

$92.04K

Ruiz Briseno Andres

22 Jan 2024

See Remarks

Sold on a plan

2,000

$42.03

$84.05K

Ruiz Briseno Andres

12 Jan 2024

See Remarks

Sold on a plan

2,000

$38.01

$76.03K

Ruiz Briseno Andres

14 Dec 2023

See Remarks

Sold on a plan

328

$34.01

$11.15K

Ruiz Briseno Andres

14 Dec 2023

See Remarks

Sold on a plan

1,672

$34.00

$56.85K

Ruiz Briseno Andres

1 Sep 2023

See Remarks

Sold on a plan

2,000

$30.01

$60.02K

Stone Paul A.

29 Aug 2023

Chief Financial Officer

Sold on a plan

5,000

$28.87

$144.35K

Stone Paul A.

21 Aug 2023

Chief Financial Officer

Sold on a plan

978

$26.40

$25.82K

Stone Paul A.

18 Aug 2023

Chief Financial Officer

Sold on a plan

3,822

$26.38

$100.82K

Stone Paul A.

16 Aug 2023

Chief Financial Officer

Sold on a plan

100

$26.40

$2.64K

Stone Paul A.

16 Aug 2023

Chief Financial Officer

Sold on a plan

100

$26.45

$2.65K

Stone Paul A.

9 Aug 2023

Chief Financial Officer

Sold on a plan

2,500

$25.05

$62.61K

Show all 119 transactions →

IDEAYA Biosciences, Inc.

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