electroCore director buys 9,992 ECOR shares

electroCore director Thomas J. Errico increased his stake in the company through open-market buying.

Rhea-AI Filing Summary

electroCore director Thomas J. Errico increased his stake in the company through open-market buying. On May 21, 2026, he purchased 9,992 shares of electroCore common stock at $5.99 per share in an open-market transaction. This followed a small acquisition of 8 shares on May 20, 2026 classified under Rule 16a-6.

After these transactions, Errico directly owns 360,071 shares of common stock. A footnote explains that his broader holdings also include 259,106 shares owned directly, 1,296 shares held by a family trust, 11,000 shares in a trust for his benefit, 8,872 unvested shares underlying deferred stock units, and 69,797 shares that have vested from previously issued deferred stock units.

Insider Trade Summary

Net Buyer: 9,992 shares

Net Buy 2 txns

Insider Errico Thomas J.

Role Director

Bought 9,992 shs ($60K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	9,992	$5.99	$60K
Small Acquisition	Common Stock	8	$5.98	$47.84

Holdings After Transaction: Common Stock — 360,071 shares (Direct)

Footnotes (1)

1. F1. Includes 259,106 shares owned directly by the RP; 1,296 shares owned by a trust for the benefit of the RP's family; 11,000 shares owned by a trust for the benefit of the RP; 8,872 unvested shares underlying deferred stock units ("DSUs"); and 69,797 shares that have vested pursuant to previously issued DSUs. All such vested shares were previously reported on Form 4 filings at the time of grant.

Key Figures

Open-market purchase: 9,992 shares at $5.99/share Small acquisition: 8 shares at $5.98/share Direct holdings after transactions: 360,071 shares +5 more

8 metrics

Open-market purchase 9,992 shares at $5.99/share Common Stock bought on May 21, 2026

Small acquisition 8 shares at $5.98/share Common Stock acquired May 20, 2026 under Rule 16a-6

Direct holdings after transactions 360,071 shares Common Stock directly owned following reported trades

Directly owned shares noted in footnote 259,106 shares Shares owned directly referenced in footnote F1

Family trust holdings 1,296 shares Shares held by a trust for the benefit of the family

Personal trust holdings 11,000 shares Shares held by a trust for the benefit of the reporting person

Unvested DSUs 8,872 shares Unvested shares underlying deferred stock units

Vested DSU shares 69,797 shares Shares that have vested from previously issued DSUs

Key Terms

open-market purchase, Rule 16a-6, deferred stock units ("DSUs"), unvested shares, +1 more

5 terms

open-market purchase financial

"he purchased 9,992 shares of electroCore common stock at $5.99 per share in an open-market transaction"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Rule 16a-6 regulatory

"a small acquisition of 8 shares on May 20, 2026 classified under Rule 16a-6"

deferred stock units ("DSUs") financial

"8,872 unvested shares underlying deferred stock units ("DSUs"); and 69,797 shares that have vested"

unvested shares financial

"8,872 unvested shares underlying deferred stock units ("DSUs")"

vested shares financial

"69,797 shares that have vested pursuant to previously issued DSUs"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did electroCore (ECOR) director Thomas J. Errico report?

Thomas J. Errico reported buying 9,992 electroCore common shares at $5.99 on May 21, 2026, plus a small 8-share acquisition on May 20, 2026. Both transactions increased his direct ownership position in the company’s stock.

How many electroCore (ECOR) shares does Thomas J. Errico hold after these Form 4 transactions?

Following the reported transactions, Thomas J. Errico directly owns 360,071 shares of electroCore common stock. A related footnote also describes additional holdings in family trusts and deferred stock units tied to his role with the company.

At what price did Thomas J. Errico buy electroCore (ECOR) shares on May 21, 2026?

On May 21, 2026, Thomas J. Errico purchased 9,992 electroCore common shares at $5.99 per share in an open-market transaction. This price reflects his direct buy and is specifically disclosed in the Form 4 insider filing.

What is the small acquisition under Rule 16a-6 in the electroCore (ECOR) Form 4?

The Form 4 shows a small acquisition of 8 electroCore common shares on May 20, 2026, coded “L” under Rule 16a-6. This rule covers de minimis acquisitions that still require reporting but are minor in size.

What deferred stock unit (DSU) holdings does Thomas J. Errico have at electroCore (ECOR)?

A footnote states Errico has 8,872 unvested shares underlying deferred stock units and 69,797 shares that have vested from previously issued DSUs. These DSU-related amounts are in addition to his directly owned and trust-held common shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/26/2026 - 08:52 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Errico Thomas J.

(Last) (First) (Middle)

200 FORGE WAY, SUITE 205

(Street)

ROCKAWAY NEW JERSEY 07866

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
electroCore, Inc. [ ECOR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		L		8	A	$5.98	350,079(1)	D
Common Stock	05/21/2026		P		9,992	A	$5.99	360,071(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 259,106 shares owned directly by the RP; 1,296 shares owned by a trust for the benefit of the RP's family; 11,000 shares owned by a trust for the benefit of the RP; 8,872 unvested shares underlying deferred stock units ("DSUs"); and 69,797 shares that have vested pursuant to previously issued DSUs. All such vested shares were previously reported on Form 4 filings at the time of grant.

	/s/ John L. Cleary, II, attorney-in-fact	05/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)