STOCK TITAN

Catalyst Pharma (NASDAQ: CPRX) CSO’s shares and options canceled in merger

(Very High)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Catalyst Pharmaceuticals Chief Strategy Officer Preethi Sundaram reported dispositions tied to the company’s acquisition by Angelini Pharma S.p.A. On July 15, 2026 she disposed of 54,804 shares of common stock at $31.50 per share, and all reported RSUs and stock options were canceled and converted into cash rights, leaving her with no reported common or derivative holdings.

Positive

  • None.

Negative

  • None.

Insights

Analyzing...

Insider Sundaram Preethi
Role Chief Strategy Officer
Type Security Shares Price Value
Disposition Options to purchase common stock F3, F5 225,000 $0.00 $0.00
Disposition Options to purchase common stock F3, F5 67,500 $0.00 $0.00
Disposition Options to purchase common stock F3, F5 68,000 $0.00 $0.00
Disposition Options to purchase common stock F3, F6 143,193 $0.00 $0.00
Disposition Options to purchase common stock F3, F6 137,553 $0.00 $0.00
Disposition Options to purchase common stock F3, F6 106,873 $0.00 $0.00
Disposition Restricted Stock Units F2, F4, F6 6,855 $0.00 $0.00
Disposition Restricted Stock Units F2, F4, F6 11,206 $0.00 $0.00
Disposition Restricted Stock Units F2, F4, F6 32,257 $0.00 $0.00
Disposition Common Stock, par value $0.001 per share F1 54,804 $31.50 $1.73M
Holdings After Transaction: Options to purchase common stock — 0 shares (Direct); Restricted Stock Units — 0 shares (Direct); Common Stock, par value $0.001 per share — 0 shares (Direct)
Footnotes (6)
  1. F1. The reported securities were disposed of in connection with the consummation of the acquisition of the Issuer by Angelini Pharma S.p.A. (the "Merger")
  2. F2. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
  3. F3. In connection with the consummation of the Merger, each reported stock option ("Option") was cancelled and converted into the right to receive a cash payment (without interest, and less applicable tax withholdings and other authorized deductions) equal to the product of (x) the excess of $31.50 per share over the per-share price of such Option, multiplied by (y) the total number of shares subject to such Option.
  4. F4. In connection with the consummation of the Merger, each reported restricted stock unit ("RSU") was cancelled and converted into the right to receive a cash payment (without interest, and less applicable tax withholdings and other authorized deductions) equal to the product of (x) the excess of $31.50 per share, multiplied by (y) the number of shares subject to such RSU.
  5. F5. Each Option was fully vested.
  6. F6. Each Option or RSU, as applicable, vested in full in connection with the consummation of the Merger.
Common shares disposed 54,804 shares Common Stock disposed on July 15, 2026 in connection with the acquisition
Disposition price per share $31.50 per share Price reported for the 54,804 common shares disposed
RSUs canceled (largest tranche) 32,257 units Restricted Stock Units representing 32,257 shares canceled and converted to cash
Options canceled at $22.77 strike 106,873 options Options to purchase common stock at $22.77 per share canceled and converted to cash
Options canceled at $5.49 strike 225,000 options Options to purchase common stock at $5.49 per share canceled and converted to cash
Total disposition transactions 10 transactions Form 4 reports 1 common stock and 9 derivative disposition entries
Restricted Stock Units financial
"Each restricted stock unit represents a contingent right to receive one share"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
stock option financial
"each reported stock option ("Option") was cancelled and converted into the right"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
cash payment financial
"was cancelled and converted into the right to receive a cash payment"
Merger financial
"In connection with the consummation of the Merger, each reported stock option"
A merger is when two companies combine into a single business, with ownership and control reorganized so they operate as one entity. For investors it matters because mergers can change the value and risk of holdings—shares may be exchanged, diluted, or rise if the combined company saves costs or gains market power, and the deal often depends on regulatory approval and successful integration like two households joining resources and routines.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider transaction did Catalyst Pharmaceuticals (CPRX) report for July 15, 2026?

Catalyst Pharmaceuticals reported that Chief Strategy Officer Preethi Sundaram disposed of common shares, RSUs, and stock options on July 15, 2026. These equity awards were canceled and converted into cash rights in connection with the acquisition by Angelini Pharma S.p.A..

How many Catalyst Pharmaceuticals (CPRX) shares did Preethi Sundaram surrender and at what price?

Preethi Sundaram disposed of 54,804 shares of Catalyst Pharmaceuticals common stock at $31.50 per share. The disposition occurred in connection with the consummation of the acquisition of Catalyst Pharmaceuticals by Angelini Pharma S.p.A..

What happened to Preethi Sundaram's RSUs in Catalyst Pharmaceuticals (CPRX) after the Angelini merger?

Reported RSUs covering 32,257, 11,206, and 6,855 shares were disposed of. Each RSU, representing one share of common stock, was canceled and converted into a cash payment based on $31.50 per share, less applicable tax withholdings and other authorized deductions.

How were Catalyst Pharmaceuticals (CPRX) stock options treated in the Angelini Pharma acquisition?

Multiple stock option grants, including 106,873 options at a $22.77 exercise price and 225,000 at $5.49, were canceled. Each option was converted into a cash right equal to ($31.50 minus the option’s exercise price) multiplied by the number of option shares.

Does Preethi Sundaram still hold Catalyst Pharmaceuticals (CPRX) equity after the merger?

Following these transactions, the filing shows 0 shares of common stock and 0 reported RSUs or options remaining. All reported common shares, RSUs, and stock options were disposed of or canceled in connection with the Angelini Pharma S.p.A. acquisition.
SEC Form 4
FORM 4UNITED 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
X
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*
Sundaram Preethi

(Last)(First)(Middle)
355 ALHAMBRA CIRCLE
SUITE 801

(Street)
CORAL GABLES FLORIDA 33134

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CATALYST PHARMACEUTICALS, INC. [ CPRX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Strategy Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, par value $0.001 per share07/15/2026D(1)54,804D$31.50D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Options to purchase common stock$5.4907/15/2026D(3)225,000 (5)07/06/2028Common Stock225,000$00D
Options to purchase common stock$7.0707/15/2026D(3)67,500 (5)12/28/2028Common Stock67,500$00D
Options to purchase common stock$18.5907/15/2026D(3)68,000 (5)12/27/2029Common Stock68,000$00D
Options to purchase common stock$14.1507/15/2026D(3)143,193 (6)12/08/2030Common Stock143,193$00D
Options to purchase common stock$21.1207/15/2026D(3)137,553 (6)11/21/2031Common Stock137,553$00D
Options to purchase common stock$22.7707/15/2026D(3)106,873 (6)11/20/2032Common Stock106,873$00D
Restricted Stock Units(2)07/15/2026D(4)6,855 (6)12/08/2026Common Stock6,855$00D
Restricted Stock Units(2)07/15/2026D(4)11,206 (6)11/21/2027Common Stock11,206$00D
Restricted Stock Units(2)07/15/2026D(4)32,257 (6)11/20/2028Common Stock32,257$00D
Explanation of Responses:
1. The reported securities were disposed of in connection with the consummation of the acquisition of the Issuer by Angelini Pharma S.p.A. (the "Merger")
2. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
3. In connection with the consummation of the Merger, each reported stock option ("Option") was cancelled and converted into the right to receive a cash payment (without interest, and less applicable tax withholdings and other authorized deductions) equal to the product of (x) the excess of $31.50 per share over the per-share price of such Option, multiplied by (y) the total number of shares subject to such Option.
4. In connection with the consummation of the Merger, each reported restricted stock unit ("RSU") was cancelled and converted into the right to receive a cash payment (without interest, and less applicable tax withholdings and other authorized deductions) equal to the product of (x) the excess of $31.50 per share, multiplied by (y) the number of shares subject to such RSU.
5. Each Option was fully vested.
6. Each Option or RSU, as applicable, vested in full in connection with the consummation of the Merger.
/s/ Preethi Sundaram07/17/2026
** Signature of Reporting PersonDate
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)