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Catalyst Pharmaceuticals (CPRX) CMO equity awards canceled for cash in Angelini merger

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Form Type
4

Rhea-AI Filing Summary

CATALYST PHARMACEUTICALS, INC. reports that Chief Medical Officer William T. Andrews disposed of 2,309 common shares at $31.50 per share in a transaction with the issuer, in connection with the acquisition by Angelini Pharma S.p.A. (the Merger).

On the same date, all of his reported RSUs (29,776 and 12,209 units) and stock options (98,652 at a $22.77 exercise price and 124,447 at $24.90) vested, were cancelled, and converted into cash rights based on the $31.50 merger price, leaving no reported remaining holdings in these awards.

Positive

  • None.

Negative

  • None.
Insider Andrews William T.
Role Chief Medical Officer
Type Security Shares Price Value
Disposition Options to purchase common stock F3, F5 124,447 $0.00 $0.00
Disposition Options to purchase common stock F3, F5 98,652 $0.00 $0.00
Disposition Restricted Stock Units F2, F4, F5 12,209 $0.00 $0.00
Disposition Restricted Stock Units F2, F4, F5 29,776 $0.00 $0.00
Disposition Common Stock, par value $0.001 per share F1 2,309 $31.50 $73K
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 (5)
  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 or RSU, as applicable, vested in full in connection with the consummation of the Merger.
Common shares disposed 2,309 shares Common Stock disposed of to issuer at $31.50 per share in connection with the Merger
Merger consideration price $31.50 per share Per-share price used to determine cash paid for common stock, RSUs and options
RSUs cancelled (grant 1) 29,776 units Restricted Stock Units cancelled and converted into cash rights at $31.50 per share
RSUs cancelled (grant 2) 12,209 units Additional Restricted Stock Units cancelled and converted into cash rights at $31.50 per share
Options cancelled at $22.77 strike 98,652 options Stock options cancelled for cash equal to $31.50 minus $22.77 times shares
Options cancelled at $24.90 strike 124,447 options Stock options cancelled for cash equal to $31.50 minus $24.90 times shares
Restricted Stock Units financial
"In connection with the consummation of the Merger, each reported restricted stock unit ("RSU") was cancelled"
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 to receive a cash payment"
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
"converted into the right to receive a cash payment (without interest, and less applicable tax withholdings)"

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FAQ

What insider activity did CPRX disclose for William T. Andrews?

CATALYST PHARMACEUTICALS, INC. disclosed that CMO William T. Andrews disposed of 2,309 common shares at $31.50 per share and had all reported RSUs and stock options cancelled and converted into cash rights in connection with the Angelini Pharma S.p.A. merger.

How were William T. Andrews’ CPRX restricted stock units treated in the merger?

All reported CPRX restricted stock units held by William T. Andrews, totaling 29,776 and 12,209 units, vested in full at the merger closing and were cancelled, converting into a right to receive a cash payment based on the $31.50 per-share merger price, subject to tax withholdings.

What happened to William T. Andrews’ CPRX stock options in the Angelini Pharma deal?

His reported CPRX stock options covering 98,652 shares at a $22.77 exercise price and 124,447 shares at $24.90 vested in full and were cancelled, converting into rights to receive cash payments equal to the spread over the $31.50 merger price, less withholdings.

Does William T. Andrews retain any of the reported CPRX equity awards after the merger?

For the awards reported, the post-transaction holdings are shown as 0, indicating no remaining RSUs, stock options, or the 2,309 common shares. All were disposed of or cancelled in connection with the Angelini Pharma S.p.A. acquisition of Catalyst Pharmaceuticals.

Was the CPRX insider transaction by William T. Andrews under a Rule 10b5-1 plan?

The disclosure indicates the Rule 10b5-1 checkbox is not marked for William T. Andrews. The transactions are instead described as occurring "in connection with the consummation of the Merger" with Angelini Pharma S.p.A., rather than under a pre-arranged trading plan.
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*
Andrews William T.

(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 Medical 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)2,309D$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$24.907/15/2026D(3)124,447 (5)06/02/2032Common Stock124,447$00D
Options to purchase common stock$22.7707/15/2026D(3)98,652 (5)11/20/2032Common Stock98,652$00D
Restricted Stock Units(2)07/15/2026D(4)12,209 (5)06/02/2030Common Stock12,209$00D
Restricted Stock Units(2)07/15/2026D(4)29,776 (5)11/20/2028Common Stock29,776$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 or RSU, as applicable, vested in full in connection with the consummation of the Merger.
/s/ William T. Andrews07/17/2026
** 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)