Comparable stake leader
Charles S. Theofilos
SEC ownership of electroCore, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001560258.
Disclosed value leader
Joseph P. Errico
Comparable rows
46/50
Latest evidence
11 Sep 2026
- Public ticker
- ECOR on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Charles S. Theofilos
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
46 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Charles S. Theofilos
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
11 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001560258
- Issuer location
- Rockaway, NJ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of electroCore, 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.
Comparable stake leader
Charles S. Theofilos
Disclosed value leader
Joseph P. Errico
Comparable rows
46/50
Latest evidence
11 Sep 2026
3/4/5
13D/G
13F
Lead comparable stake: 9.9%
4 rows are not safely comparable across share classes.
13D/G row: Charles S. Theofilos
Showing 1-8 of 50 holder rows.
Quick read
Charles S. Theofilos leads the comparable SEC ownership view at 9.9%.
46 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Charles S. Theofilos's linked filing trail.
Comparable ownership
Top 5
Charles S. Theofilos
9.9%
Tianyi Zhang
9.9%
Hilve Holdings Ltd
6.4%
AWM Investment Company, Inc.
6%
MAZ Partners LP
1.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Charles S. Theofilos |
3/4/5
13D/G
Former director · Theofilos Charles Steve
|
9.9%
from 13D/G
|
$2,831,616
859,357 shares
mixed-class rows
|
— | 24 Feb 2025 |
| Tianyi Zhang |
13D/G
|
9.9%
|
—
734,638 shares
|
$0 | 15 May 2025 |
| Hilve Holdings Ltd |
13D/G
|
6.4%
|
—
517,522 shares
|
$0 | 31 Mar 2026 |
| AWM Investment Company, Inc. |
13D/G
|
6%
|
$2,520,045
509,100 shares
|
$0 | 30 Sep 2025 |
| MAZ Partners LP |
13D/G
|
1.6%
|
—
|
$0 | 13 May 2025 |
| Thomas J. Errico |
3/4/5
Director
|
4.2%
|
$3,100,930
358,904 shares
|
+$109,124 | 09 Sep 2026 |
| Daniel S. Goldberger |
3/4/5
Former Officer & Director
|
2.5%
|
$1,438,002
211,471 shares
|
-$635,913 | 23 Apr 2026 |
| Joshua S. Lev |
3/4/5
Co-Chief Executive Officer, President and Chief Financial Officer
|
1.6%
|
$1,208,640
139,889 shares
|
-$305,634 | 08 Sep 2026 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$832,423.
Buys
$113,964
Insiders: 2
Sells
$946,387
Insiders: 2
Net
-$832,423
Shares: -114,413
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 15,992
Shares: 130,405
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 5,000 | 20,000 | $49,272 | $200,120 | -$150,848 |
| 3-6 | 9,992 | 105,739 | $59,852 | $720,256 | -$660,404 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 1,000 | 4,666 | $4,840 | $26,011 | -$21,171 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to electroCore, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Joseph P. Errico
Net 12M change
-$832,423
Latest report
11 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Joseph P. Errico | Director | $15,136,492 | Mixed | 13 Dec 2022 | ||
| Thomas J. Errico | Director | $3,100,930 | +$109,124 | +3.6% | Median | 09 Sep 2026 |
| Charles S. Theofilos | Former director | $2,831,616 | Mixed | 24 Feb 2025 | ||
| Daniel S. Goldberger | Former Officer & Director | $1,438,002 | -$635,913 | -31% | Filing P/S | 23 Apr 2026 |
| Joshua S. Lev | Co-Chief Executive Officer, President and Chief Financial Officer | $1,208,640 | -$305,634 | -20% | Median | 08 Sep 2026 |
| Michael Fox | Co-Chief Executive Officer, President and Chief Operating Officer | $1,123,200 | Median | 11 Sep 2026 | ||
| Julie Ann Goldstein | Director | $972,086 | Median | 09 Sep 2026 | ||
| John P. Gandolfo | Director | $857,269 | Median | 09 Sep 2026 | ||
| Patricia Wilber | Director | $720,990 | Median | 09 Sep 2026 | ||
| Thomas M. Patton | Director | $709,195 | Mixed | 02 Sep 2025 | ||
| Trevor J. Moody | Director | $375,474 | Mixed | 02 Aug 2023 | ||
| Elena Bonfiglioli | Director | $360,046 | Median | 09 Sep 2026 | ||
| James C. Theofilos | Director | $299,548 | Median | 09 Sep 2026 | ||
| Brian M. Posner | Chief Financial Officer | $124,638 | Mixed | 12 Jan 2024 | ||
| Michael G. Atieh | Director | Mixed | 11 Jun 2021 | |||
| F. Peter Cuneo | Director | Mixed | 03 Sep 2024 | |||
| Stephen Ondra | Director | Mixed | 11 Jun 2021 |
Recent insider transactions for electroCore, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael Fox | ECOR | Common Stock | Award | 4% | 5,000 | 130,000 | 11 Sep 2026 | Direct | ||
| James C. Theofilos | ECOR | Common Stock | Award | 47.2% | 11,123 | 34,670 | 09 Sep 2026 | Direct | ||
| Patricia Wilber | ECOR | Common Stock | Award | 15.4% | 11,123 | 83,448 | 09 Sep 2026 | Direct | ||
| Elena Bonfiglioli | ECOR | Common Stock | Award | 36.4% | 11,123 | 41,672 | 09 Sep 2026 | Direct | ||
| Julie Ann Goldstein | ECOR | Common Stock | Award | 11% | 11,123 | 112,510 | 09 Sep 2026 | Direct | ||
| Thomas J. Errico | ECOR | Common Stock | Award | 4.54% | 15,572 | 358,904 | 09 Sep 2026 | Direct | ||
| John P. Gandolfo | ECOR | Common Stock | Award | 12.6% | 11,123 | 99,221 | 09 Sep 2026 | Direct | ||
| Michael Fox | ECOR | Common Stock | Award | 78.6% | 55,000 | 125,000 | 08 Sep 2026 | Direct | ||
| Joshua S. Lev | ECOR | Common Stock | Award | 64.8% | 55,000 | 139,889 | 08 Sep 2026 | Direct | ||
| Joshua S. Lev | ECOR | Common Stock | Sale | -3.41% | $28,080 | $9.36 | -3,000 | 84,889 | 25 Aug 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Options Exercise | 3.53% | 3,000 | 87,889 | 25 Aug 2026 | Direct | ||
| Joshua S. Lev | ECOR | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -3,000 | 0 | 25 Aug 2026 | Direct | ||
| Joshua S. Lev | ECOR | Common Stock | Sale | -5.56% | $49,400 | $9.88 | -5,000 | 84,889 | 24 Aug 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Options Exercise | 5.89% | 5,000 | 89,889 | 24 Aug 2026 | Direct | ||
| Joshua S. Lev | ECOR | Stock Option (Right to Buy Common Stock) | Options Exercise | -62.5% | -5,000 | 3,000 | 24 Aug 2026 | Direct | ||
| Joshua S. Lev | ECOR | Common Stock | Sale | -12.4% | $122,640 | $10.22 | -12,000 | 84,889 | 21 Aug 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Options Exercise | 14.1% | 12,000 | 96,889 | 21 Aug 2026 | Direct | ||
| Joshua S. Lev | ECOR | Stock Option (Right to Buy Common Stock) | Options Exercise | -60% | -12,000 | 8,000 | 21 Aug 2026 | Direct | ||
| Thomas J. Errico | ECOR | Common Stock | Purchase | 1.48% | $49,272 | $9.85 | 5,000 | 343,332 | 13 Aug 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Sale | -7.28% | $60,003 | $9.00 | -6,667 | 84,889 | 28 May 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Sale | -3.17% | $19,500 | $6.50 | -3,000 | 91,556 | 22 May 2026 | Direct |
| Thomas J. Errico | ECOR | Common Stock | Purchase | 2.85% | $59,852 | $5.99 | 9,992 | 360,071 | 21 May 2026 | Direct |
| Thomas J. Errico | ECOR | Common Stock | Small acquisition under Rule 16a-6 | 8 | 350,079 | 20 May 2026 | Direct | |||
| Daniel S. Goldberger | ecor | Common Stock | Sale | -27.4% | $544,000 | $6.80 | -80,000 | 211,471 | 23 Apr 2026 | Direct |
| Michael Fox | ECOR | Common Stock | Award | 70,000 | 70,000 | 13 Apr 2026 | Direct | |||
| Daniel S. Goldberger | ECOR | Common Stock | Sale | -5.23% | $96,753 | $6.02 | -16,072 | 291,471 | 10 Apr 2026 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Award | 90.8% | 45,000 | 94,556 | 01 Apr 2026 | Direct | ||
| Thomas J. Errico | ECOR | Common Stock | Exercise of in-the-money or at-the-money derivative security | 13.6% | 42,055 | 350,071 | 19 Mar 2026 | Direct | ||
| Thomas J. Errico | ECOR | Warrants to Purchase Common Stock | Exercise of in-the-money or at-the-money derivative security | 42,055 | 0 | 19 Mar 2026 | Direct | |||
| Joshua S. Lev | ECOR | Common Stock | Award | 128.7% | 27,889 | 49,556 | 26 Jan 2026 | Direct | ||
| Daniel S. Goldberger | ECOR | Common Stock | Award | 15.8% | 46,375 | 338,940 | 26 Jan 2026 | Direct | ||
| Joshua S. Lev | ECOR | Common Stock | Sale | -10.3% | $12,625 | $5.05 | -2,500 | 21,667 | 04 Dec 2025 | Direct |
| Daniel S. Goldberger | ECOR | Common Stock | Purchase | 0.34% | $4,840 | $4.84 | 1,000 | 292,565 | 02 Dec 2025 | Direct |
| Joshua S. Lev | ECOR | Common Stock | Sale | -8.38% | $13,386 | $6.18 | -2,166 | 23,667 | 12 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.