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BioMarin deal pays Amicus (NASDAQ: FOLD) director $14.50 per share

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

AMICUS THERAPEUTICS director Burke W. Whitman reported a full disposition of his equity in connection with the acquisition of Amicus by BioMarin Pharmaceutical Inc.

He disposed of 118,598 shares of Common Stock at $14.50 per share, a figure that includes 98,184 common shares and 20,414 restricted stock units that vested in full when the merger closed. Following this transaction, he no longer holds Amicus common stock.

Multiple fully vested stock option awards, each giving the right to buy Amicus common stock at exercise prices between $5.96 and $12.81 per share, were also cancelled at closing. Each option was converted into a cash payment equal to the difference between $14.50 per share and its exercise price, multiplied by the number of shares subject to that option, leaving no remaining Amicus options outstanding for this director.

Positive

  • None.

Negative

  • None.
Insider WHITMAN BURKE W
Role null
Type Security Shares Price Value
Disposition Stock Options (right to buy) 25,964 $0.00 --
Disposition Stock Options (right to buy) 18,574 $0.00 --
Disposition Stock Options (right to buy) 36,111 $0.00 --
Disposition Stock Options (right to buy) 45,423 $0.00 --
Disposition Stock Options (right to buy) 30,474 $0.00 --
Disposition Stock Options (right to buy) 42,467 $0.00 --
Disposition Stock Options (right to buy) 74,872 $0.00 --
Disposition Common Stock 118,598 $14.50 $1.72M
Holdings After Transaction: Stock Options (right to buy) — 0 shares (Direct, null); Common Stock — 0 shares (Direct, null)
Footnotes (1)
  1. The reported securities were disposed of in connection with consummation of the acquisition of the Issuer by BioMarin Pharmaceutical Inc. (the "Merger"), which included 98,184 shares of Common Stock and 20,414 restricted stock units (which vested in full in connection with consummation of the Merger). In connection with consummation of the Merger, each reported stock option ("Option") was cancelled and converted into the right to receive a cash payment equal to (a) the excess of (i) $14.50 per share over (ii) the exercise price payable per share, multiplied by (b) the total number of shares subject to such Option. Each Option was fully vested. Each Option vested in full in connection with consummation of the Merger.
Common shares disposed 118,598 shares at $14.50/share Common Stock disposition in connection with BioMarin merger
Common shares component 98,184 shares Portion of 118,598 shares identified as Common Stock
Restricted stock units vested 20,414 units RSUs vesting in full upon consummation of the merger
Option exercise price $5.96/share One cancelled stock option’s exercise price, settled vs $14.50
Option exercise price $10.27/share Another cancelled stock option’s exercise price, settled vs $14.50
Option exercise price $12.81/share Cancelled stock option exercise price, settled at $14.50 merger price
Post-transaction holdings 0 shares, 0 derivatives Total Amicus equity held by Burke Whitman after merger settlement
restricted stock units financial
"20,414 restricted stock units (which vested in full in connection with consummation of the Merger)"
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
"In connection with consummation of the Merger, each reported stock option ("Option") was cancelled"
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.
Merger financial
"consummation of the acquisition of the Issuer by BioMarin Pharmaceutical Inc. (the "Merger")"
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.
cash payment financial
"was cancelled and converted into the right to receive a cash payment equal to (a) the excess of (i) $14.50 per share"
exercise price financial
"equal to (a) the excess of (i) $14.50 per share over (ii) the exercise price payable per share"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
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*
WHITMAN BURKE W

(Last)(First)(Middle)
47 HULFISH STREET

(Street)
PRINCETON NEW JERSEY 08542

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
AMICUS THERAPEUTICS, INC. [ FOLD ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/27/2026
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 Stock04/27/2026D118,598(1)D$14.50D
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
Stock Options (right to buy)$1204/27/2026D(2)25,964 (3)06/27/2029Common Stock25,964(2)0D
Stock Options (right to buy)$12.8104/27/2026D(2)18,574 (3)06/04/2030Common Stock18,574(2)0D
Stock Options (right to buy)$10.7104/27/2026D(2)36,111 (3)06/10/2031Common Stock36,111(2)0D
Stock Options (right to buy)$8.5504/27/2026D(2)45,423 (3)06/09/2032Common Stock45,423(2)0D
Stock Options (right to buy)$12.6204/27/2026D(2)30,474 (3)06/08/2033Common Stock30,474(2)0D
Stock Options (right to buy)$10.2704/27/2026D(2)42,467 (3)06/06/2034Common Stock42,467(2)0D
Stock Options (right to buy)$5.9604/27/2026D(2)74,872 (4)06/05/2035Common Stock74,872(2)0D
Explanation of Responses:
1. The reported securities were disposed of in connection with consummation of the acquisition of the Issuer by BioMarin Pharmaceutical Inc. (the "Merger"), which included 98,184 shares of Common Stock and 20,414 restricted stock units (which vested in full in connection with consummation of the Merger).
2. In connection with consummation of the Merger, each reported stock option ("Option") was cancelled and converted into the right to receive a cash payment equal to (a) the excess of (i) $14.50 per share over (ii) the exercise price payable per share, multiplied by (b) the total number of shares subject to such Option.
3. Each Option was fully vested.
4. Each Option vested in full in connection with consummation of the Merger.
/s/ Christian Formica, Attorney-in-Fact04/27/2026
** 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.
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* Form 4: SEC 1474 (03-26)