Insider · CIK 0001733077

ROSS ROBERT W.

Reports to the SEC for 3 companies · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001733077

Forms 4 and 5

Insider transactions

28 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-03	OBXObsidian Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+37.7K sh	—	—	37,653
2026-06-11	XLOXilio Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+5,000 sh	—	—	5,000
2025-06-11	XLOXilio Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+31K sh	—	—	31,000
2024-06-14	XLOXilio Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+25K sh	—	—	25,000
2023-09-08	Surface Oncology, Inc.D Disposition to Issuer	Director, Chief Executive Officer	DDisposition to Issuer	−83.2K sh	—	—	0
2023-09-08	Surface Oncology, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director, Chief Executive Officer	DDisposition to Issuer	−400K sh	—	—	0
2023-08-01	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−16.7K sh	$0.94	−$15.7K	83,193
2023-06-12	XLOXilio Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+13.2K sh	—	—	13,200
2023-03-01	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+400K sh	—	—	400,000
2022-08-03	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−10.6K sh	$1.72	−$18.2K	99,906
2022-06-15	XLOXilio Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2022-03-01	Surface Oncology, Inc.A Award	Director, Chief Executive Officer	AAward	+56K sh	—	—	110,500
2022-03-01	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+359K sh	—	—	359,000
2021-07-21	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−33.5K sh	$6.10	−$204K	54,500
2021-02-16	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,000 sh	$11.35	−$11.4K	88,000
2021-02-12	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+484K sh	—	—	484,280
2021-02-12	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+484K sh	—	—	484,280
2021-01-15	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−2,000 sh	$12.25	−$24.5K	89,000
2021-01-14	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−7,000 sh	$11.95	−$83.7K	91,000
2020-12-15	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,000 sh	$10.48	−$10.5K	98,000
2020-12-11	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,405 sh	$10.05	−$14.1K	99,000
2020-11-11	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−595 sh	$10.05	−$5,979.75	100,405
2020-10-14	Surface Oncology, Inc.S Sale	Director, Chief Executive Officer	SSale	−4,000 sh	$10.05	−$40.2K	101,000
2020-02-03	Surface Oncology, Inc.A Award	Director, Chief Executive Officer	AAward	+80K sh	—	—	105,000
2020-02-03	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+80K sh	—	—	80,000
2019-03-01	Surface Oncology, Inc.Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+90K sh	—	—	90,000
2019-01-04	Surface Oncology, Inc.Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−25K sh	—	—	256,578
2019-01-04	Surface Oncology, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+25K sh	$4.14	+$103K	25,000

Recent filings

Accepted (ET)
Aug 54
ROSS ROBERT W.0001193125-26-335113
SEC(opens sec.gov)
Jun 124
ROSS ROBERT W.0001193125-26-269397
SEC(opens sec.gov)
Jun 124
ROSS ROBERT W.0001415889-25-016972
SEC(opens sec.gov)
Jun 174
ROSS ROBERT W.0001415889-24-017207
SEC(opens sec.gov)
Sep 84
ROSS ROBERT W.0001209191-23-048757
SEC(opens sec.gov)
Aug 114
ROSS ROBERT W.0001209191-23-045494
SEC(opens sec.gov)
Jun 134
ROSS ROBERT W.0001415889-23-009741
SEC(opens sec.gov)
Mar 34
ROSS ROBERT W.0001209191-23-016052
SEC(opens sec.gov)
Aug 54
ROSS ROBERT W.0001209191-22-044673
SEC(opens sec.gov)
Jun 174
ROSS ROBERT W.0001415889-22-006704
SEC(opens sec.gov)
Mar 34
ROSS ROBERT W.0001209191-22-015966
SEC(opens sec.gov)
Jan 144
ROSS ROBERT W.0001209191-22-003397
SEC(opens sec.gov)
Mar 114/A
ROSS ROBERT W.0001209191-21-019971
SEC(opens sec.gov)
Mar 34
ROSS ROBERT W.0001209191-21-017481
SEC(opens sec.gov)
Feb 184
ROSS ROBERT W.0001209191-21-012182
SEC(opens sec.gov)
Jan 154
ROSS ROBERT W.0001209191-21-003916
SEC(opens sec.gov)
Dec 174
ROSS ROBERT W.0001209191-20-064253
SEC(opens sec.gov)

Companies

Address

C/O OBSIDIAN THERAPEUTICS, INC. 1030 MASSACHUSETTS AVE

CAMBRIDGE, MA, 02138