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

Stone Paul A.

7 Sep 2021

SVP, Chief Financial Officer

Sell

2,500

$27.42

$68.54K

Dillon Michael P.

2 Sep 2021

SVP, Chief Scientific Officer

Sell

10,000

$25.09

$250.94K

BVF PARTNERS L P/IL

2 Feb 2021

See Explanation of Responses

Sell

4,325

$18.00

$77.85K

BVF PARTNERS L P/IL

2 Feb 2021

See Explanation of Responses

Sell

16,850

$18.00

$303.30K

BVF PARTNERS L P/IL

2 Feb 2021

See Explanation of Responses

Sell

25,234

$18.00

$454.21K

Throne Jason

4 Dec 2020

SVP, General Counsel

Sell

1,579

$15.55

$24.55K

Throne Jason

4 Dec 2020

SVP, General Counsel

Sell

400

$14.66

$5.86K

5AM Ventures IV, L.P.

11 Nov 2020

10% owner

Sell indirect

115,504

$13.66

$1.58M

5AM Ventures IV, L.P.

11 Nov 2020

10% owner

Sell indirect

27,379

$13.66

$374.00K

5AM Ventures IV, L.P.

11 Nov 2020

10% owner

Sell indirect

657,117

$13.66

$8.98M

Throne Jason

4 Jun 2020

VP, General Counsel

Sell

2,205

$8.66

$19.09K

Lackner Mark

2 Jun 2020

SVP, Head of Biology

Sell

104

$10.11

$1.05K

Lackner Mark

2 Jun 2020

SVP, Head of Biology

Sell

333

$9.73

$3.24K

Lackner Mark

2 Jun 2020

SVP, Head of Biology

Sell

408

$8.55

$3.49K

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IDEAYA Biosciences, Inc.

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