Insider · CIK 0001578771

Hambleton Julie

Reports to the SEC for 5 companies · SAN DIEGO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001578771

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-26	ERASErasca, Inc. · Stock option (right to buy)A Award	Director	AAward	+29.9K sh	—	—	29,888
2025-08-14	IGM Biosciences, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−2,000 sh	—	—	0
2025-07-01	SpringWorks Therapeutics, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−14.2K sh	—	—	0
2025-07-01	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−14.7K sh	—	—	0
2025-07-01	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−15.3K sh	—	—	0
2025-07-01	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−12.2K sh	—	—	0
2025-06-24	ERASErasca, Inc. · Stock option (right to buy)A Award	Director	AAward	+120K sh	—	—	120,000
2025-05-14	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+10.1K sh	—	—	14,155
2025-02-10	SpringWorks Therapeutics, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+13.8K sh	$32.27	+$444K	17,869
2025-02-10	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−13.8K sh	$53.01	−$730K	4,095
2025-02-10	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−13.8K sh	—	—	0
2024-07-25	IGM Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+15.1K sh	$1.39	+$21K	17,132
2024-07-25	IGM Biosciences, Inc.S Sale	Director	SSale	−15.1K sh	$14.00	−$212K	2,000
2024-07-25	IGM Biosciences, Inc.Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−15.1K sh	—	—	0
2024-06-20	ERASErasca, Inc. · Stock Option (right to buy)A Award	Director	AAward	+60K sh	—	—	60,000
2024-06-03	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−2,946 sh	$39.41	−$116K	5,797
2024-06-03	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−751 sh	$40.57	−$30.5K	5,046
2024-06-03	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−931 sh	$41.49	−$38.6K	4,115
2024-06-03	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−20 sh	$42.09	−$841.81	4,095
2024-05-16	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+4,095 sh	—	—	8,743
2024-05-16	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+12.2K sh	—	—	12,216
2024-03-12	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+29.4K sh	—	—	29,400
2023-07-19	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−2,418 sh	$29.31	−$70.9K	4,648
2023-06-22	ERASErasca, Inc. · Stock Option (right to buy)A Award	Director	AAward	+60K sh	—	—	60,000
2023-06-20	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−2,400 sh	$26.92	−$64.6K	7,066
2023-05-24	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+4,648 sh	—	—	9,466
2023-05-24	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+13.8K sh	—	—	13,774
2023-04-04	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+15.5K sh	—	—	15,500
2023-03-15	SpringWorks Therapeutics, Inc.S Sale	Director	SSale	−1,106 sh	$31.50	−$34.8K	4,818
2022-06-22	ERASErasca, Inc. · Stock Option (right to buy)A Award	Director	AAward	+40K sh	—	—	40,000
2022-05-19	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+4,818 sh	—	—	5,924
2022-05-19	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+15.3K sh	—	—	15,318
2022-03-12	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+29.5K sh	—	—	29,497
2021-08-09	IGM Biosciences, Inc.S Sale	Director	SSale	−1,000 sh	$80.00	−$80K	2,000
2021-07-20	ERASErasca, Inc.P Purchase	Director	PPurchase	+6,000 sh	$16.00	+$96K	6,000
2021-06-01	IGM Biosciences, Inc.S Sale	Director	SSale	−2,000 sh	$80.00	−$160K	3,000
2021-05-20	SpringWorks Therapeutics, Inc.A Award	Director	AAward	+1,106 sh	—	—	5,995
2021-05-20	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+6,998 sh	—	—	6,998
2021-02-19	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+6,423 sh	—	—	6,423
2020-05-20	SpringWorks Therapeutics, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+14.7K sh	—	—	14,668
2020-02-21	IDYAIDEAYA Biosciences, Inc. · Stock Option (right to buy)A Award	SVP, Chief Medical Officer	AAward	+62.5K sh	—	—	62,500
2020-02-05	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+10K sh	—	—	10,000
2019-09-18	IGM Biosciences, Inc.P Purchase	Director	PPurchase	+5,000 sh	$18.31	+$91.6K	5,000
2019-09-17	IGM Biosciences, Inc.Stock Option (right to buy)A Award	Director	AAward	+12.1K sh	—	—	12,100
2015-11-11	FIVE PRIME THERAPEUTICS, INC.M Exercise/Conversion	EVP & Chief Medical Officer	MExercise/Conversion	+10K sh	$7.26	+$72.6K	95,919
2015-11-11	FIVE PRIME THERAPEUTICS, INC.S Sale	EVP & Chief Medical Officer	SSale	−6,600 sh	$34.75	−$229K	89,319
2015-11-11	FIVE PRIME THERAPEUTICS, INC.S Sale	EVP & Chief Medical Officer	SSale	−3,400 sh	$35.23	−$120K	85,919
2015-11-11	FIVE PRIME THERAPEUTICS, INC.M Exercise/Conversion	EVP & Chief Medical Officer	MExercise/Conversion	+12K sh	$11.14	+$134K	97,919
2015-11-11	FIVE PRIME THERAPEUTICS, INC.S Sale	EVP & Chief Medical Officer	SSale	−12K sh	$34.33	−$412K	85,919
2015-11-11	FIVE PRIME THERAPEUTICS, INC.S Sale	EVP & Chief Medical Officer	SSale	−1,108 sh	$35.33	−$39.1K	84,811

Recent filings

Accepted (ET)
Jun 294
Hambleton Julie0001193125-26-288903
SEC(opens sec.gov)
Aug 144
Hambleton Julie0001415889-25-022042
SEC(opens sec.gov)
Jul 24
Hambleton Julie0001104659-25-065315
SEC(opens sec.gov)
Jun 264
Hambleton Julie0000950170-25-090423
SEC(opens sec.gov)
May 154
Hambleton Julie0001104659-25-049659
SEC(opens sec.gov)
Feb 124
Hambleton Julie0001104659-25-012362
SEC(opens sec.gov)
Jul 294
Hambleton Julie0001415889-24-020266
SEC(opens sec.gov)
Jun 214
Hambleton Julie0001209191-24-005922
SEC(opens sec.gov)
Jun 54
Hambleton Julie0001104659-24-068674
SEC(opens sec.gov)
May 174
Hambleton Julie0001104659-24-062979
SEC(opens sec.gov)

Companies

Address

C/O ERASCA, INC. 3115 MERRYFIELD ROW, SUITE 300

SAN DIEGO, CA, 92121