Covista (NYSE: ATGE) exec sells 2,000 shares under 10b5-1 plan

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Covista Inc. executive Karen Sue Cox, President of Chamberlain University, sold 2,000 shares of Covista common stock in an open-market transaction on May 8, 2026 at a weighted average price of $124.50 per share. The sale was executed under a pre-established Rule 10b5-1 trading plan adopted on December 15, 2025 and represents shares above Covista’s Stock Ownership and Holding Requirements. After this sale, Cox directly holds 31,596 Covista shares, and company policy permits only pre-scheduled plan trades absent a hardship exception.

Insider Trade Summary 10b5-1

Net Seller: 2,000 shares ($249,000)

Net Sell 1 txn

Insider Cox Karen Sue

Role President, Chamberlain Univ.

Sold 2,000 shs ($249K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$124.50	$249K

Holdings After Transaction: Common Stock — 31,596 shares (Direct, null)

Footnotes (1)

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum. Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan. No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception. This transaction was executed in multiple trades at prices ranging from $124.00 to $125.00. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Key Figures

Shares sold: 2,000 shares Sale price: $124.50 per share Post-transaction holdings: 31,596 shares +3 more

6 metrics

Shares sold 2,000 shares Open-market sale on May 8, 2026

Sale price $124.50 per share Weighted average sale price for the transaction

Post-transaction holdings 31,596 shares Direct Covista holdings after the sale

Price range $124.00–$125.00 Range of individual trade prices within the sale

Trading plan adoption date December 15, 2025 Date Rule 10b5-1 plan was adopted

Net share direction -2,000 shares Net-sell shares in transaction summary

Key Terms

Rule 10b5-1 trading plan, Stock Ownership and Holding Requirements, hardship exception, weighted average sales price, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Stock Ownership and Holding Requirements financial

"Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements"

hardship exception regulatory

"all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception"

weighted average sales price financial

"The price reported above reflects the weighted average sales price"

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 Insider Transactions: What Each Field Means →

05/12/2026 - 04:53 PM

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^*

Cox Karen Sue

(Last)

(First)

(Middle)

233 S. WACKER DRIVE

SUITE 800

(Street)

CHICAGO

ILLINOIS

60606

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Covista Inc. [ CVSA ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President, Chamberlain Univ.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock⁽¹⁾⁽²⁾⁽³⁾	05/08/2026		S		2,000	D	$124.5⁽⁴⁾	31,596	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

2. Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

3. No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

4. This transaction was executed in multiple trades at prices ranging from $124.00 to $125.00. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

	/s/Lawrence C. Bachman, attorney-in-fact for Ms. Cox	05/12/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Covista Inc. executive Karen Sue Cox report for CVSA?

Karen Sue Cox reported selling 2,000 shares of Covista common stock. The open-market sale occurred on May 8, 2026 at a weighted average price of $124.50 per share under a pre-established Rule 10b5-1 trading plan.

At what price did Karen Sue Cox sell Covista (CVSA) shares and how many?

She sold 2,000 Covista common shares at a weighted average price of $124.50. Footnotes state the trade was executed in multiple lots between $124.00 and $125.00, with the reported figure reflecting the blended average sale price.

How many Covista shares does Karen Sue Cox hold after the reported sale?

Following the May 8, 2026 transaction, Karen Sue Cox directly holds 31,596 Covista common shares. The filing indicates these remaining holdings continue to satisfy Covista’s Stock Ownership and Holding Requirements after selling excess shares through the trading plan.

Was Karen Sue Cox’s Covista stock sale made under a Rule 10b5-1 trading plan?

Yes. The sale was made pursuant to a Rule 10b5-1 trading plan adopted on December 15, 2025. Footnotes explain Covista policy allows no discretionary trades, requiring sales to occur only under such pre-established plans, absent a hardship exception.

Does Covista policy allow discretionary stock sales by executives like Karen Sue Cox?

Covista policy does not allow discretionary trades by the reporting person. Footnotes specify all sales must occur under a pre-established Rule 10b5-1 trading plan unless a hardship exception applies, framing the transaction as pre-scheduled rather than opportunistic.

Why did Karen Sue Cox sell Covista shares according to the Form 4 footnotes?

Footnotes state the shares sold were a portion of holdings exceeding Covista’s Stock Ownership and Holding Requirements. The trades were executed in pre-scheduled increments under the Rule 10b5-1 plan to reduce excess holdings while maintaining required ownership levels.