Insider Transactions Reported by 18 Insiders of Surface Oncology, Inc.

Location: Cambridge, MA

Quick Takeaways

Surface Oncology, Inc. has 18 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are not currently available.

What Changed

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 11 Apr 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

Surface Oncology, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Liisa I. Nogelo	Chief Legal Officer	$50,455	Mixed	21 Jul 2021
Laurie Stelzer	Director		Mixed	08 Jun 2022
Charles Elliott Sigal	Director		Mixed	08 Sep 2023
Denice Torres	Director		Mixed	08 Jun 2022
Jeff Goater	Director		Mixed	08 Sep 2023
Alison Oneill	Chief Medical Officer		Mixed	08 Sep 2023
Carsten Brunn	Director		Mixed	28 Jun 2022
Vito J. Palombella	Chief Scientific Officer		Mixed	08 Sep 2023
Benjamin Hickey	Director		Mixed	08 Jun 2022
Armen Shanafelt	Director, 10%+ Owner		Mixed	08 Jun 2022
David S. Grayzel	Director		Mixed	08 Sep 2023
Geoff Mcdonough	Director		Mixed	08 Jun 2021
Robert W. Ross	Chief Executive Officer, Director		Mixed	08 Sep 2023
Jessica Fees	Chief Financial Officer		Mixed	08 Sep 2023
Henry C. Rath	Chief Business Officer		Mixed	08 Sep 2023
Theresa Boni	General Counsel & Secretary		Mixed	01 Apr 2022
Chandra Adams	Deputy GC		Mixed	08 Sep 2023
Ramy Ibrahim	Director		Mixed	08 Jun 2022

Top shareholders of Surface Oncology, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Liisa I. Nogelo	3/4/5	Chief Legal Officer	— class O/S missing	53,675	$50,455	—	21 Jul 2021	3/4/5
Theresa Boni	3/4/5	General Counsel & Secretary	— class O/S missing	120,000	—	—	01 Apr 2022	3/4/5
Carsten Brunn	3/4/5	Director	— class O/S missing	48,000	—	—	28 Jun 2022	3/4/5
Armen Shanafelt	3/4/5	Director, 10%+ Owner	— class O/S missing	24,000	—	—	08 Jun 2022	3/4/5
Benjamin Hickey	3/4/5	Director	— class O/S missing	24,000	—	—	08 Jun 2022	3/4/5
Denice Torres	3/4/5	Director	— class O/S missing	24,000	—	—	08 Jun 2022	3/4/5
Laurie Stelzer	3/4/5	Director	— class O/S missing	24,000	—	—	08 Jun 2022	3/4/5
Ramy Ibrahim	3/4/5	Director	— class O/S missing	24,000	—	—	08 Jun 2022	3/4/5
Geoff Mcdonough	3/4/5	Director	— class O/S missing	17,700	—	—	08 Jun 2021	3/4/5

Recent Insider Transactions by Companies or Individuals for Surface Oncology, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
No insider transactions were found in the last 12 months for this issuer.

* An asterisk sign (*) next to the price indicates that the price is likely invalid.