Holder evidence
9
SEC ownership of Surface Oncology, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001718108.
Lead holder
Armen Shanafelt
13D/G signal
—
Latest evidence
28 Jun 2022
- CIK
- 0001718108
- Location
- Cambridge, MA
- SEC evidence mix
- 3/4/5
- Lead holder
- Armen Shanafelt
- Latest evidence date
- 28 Jun 2022
Issuer identity
2 facts
Ownership snapshot
3 facts
Ownership snapshot
Top shareholders of Surface Oncology, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
Armen Shanafelt
13D/G signal
—
Evidence rows
9
Latest as of
28 Jun 2022
3/4/5
Highest disclosed value: $50,455
Showing 1-8 of 9 holder rows.
Rank 1 holder
Armen Shanafelt
3/4/5
- Ownership
- —
- Position
- —
Rank 2 holder
Liisa I. Nogelo
3/4/5
- Ownership
- —
- Position
- $50.5K
Rank 3 holder
Theresa Boni
3/4/5
- Ownership
- —
- Position
- —
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Armen Shanafelt |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
—
24,000 shares
|
— | 08 Jun 2022 |
| Liisa I. Nogelo |
3/4/5
Chief Legal Officer
|
—
class O/S missing
|
$50,455
53,675 shares
|
— | 21 Jul 2021 |
| Theresa Boni |
3/4/5
General Counsel & Secretary
|
—
class O/S missing
|
—
120,000 shares
|
— | 01 Apr 2022 |
| Carsten Brunn |
3/4/5
Director
|
—
class O/S missing
|
—
48,000 shares
|
— | 28 Jun 2022 |
| Benjamin Hickey |
3/4/5
Director
|
—
class O/S missing
|
—
24,000 shares
|
— | 08 Jun 2022 |
| Denice Torres |
3/4/5
Director
|
—
class O/S missing
|
—
24,000 shares
|
— | 08 Jun 2022 |
| Laurie Stelzer |
3/4/5
Director
|
—
class O/S missing
|
—
24,000 shares
|
— | 08 Jun 2022 |
| Ramy Ibrahim |
3/4/5
Director
|
—
class O/S missing
|
—
24,000 shares
|
— | 08 Jun 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 01 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-18 of 18 reporting-owner rows connected to Surface Oncology, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Lead holder
Liisa I. Nogelo
Net 12M change
$0
Latest report
08 Sep 2023
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | 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 |
Recent insider transactions for Surface Oncology, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* indicates a reported price that failed the local validity check.