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Protalix director gets 17K options, 8.5K RSUs

Director Eliot Forster received new stock options and RSU awards in PLX as part of his equity compensation.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Protalix BioTherapeutics, Inc. (PLX) reported that director Eliot Forster received equity awards on September 3, 2026. He was granted stock options for 17,000 shares of common stock at an exercise price of $2.59 per share, expiring September 3, 2036, vesting in 12 equal quarterly installments from the grant date. He was also granted 8,500 restricted stock units, each representing one share of common stock, which also vest in 12 equal quarterly installments from the grant date. Separately, he already holds options for 85,715 shares at $1.75 expiring September 14, 2033 and 15,000 shares at $1.64 expiring September 3, 2035.

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Insider Forster Eliot
Role Director
Type Security Shares Price Value
Grant/Award Stock Options (Right to Buy) F1, F2 17,000 $0.00 $0.00
Grant/Award Restricted Stock Units F3, F4 8,500 $0.00 $0.00
Holdings After Transaction: Stock Options (Right to Buy) — 17,000 contracts (Direct); Restricted Stock Units — 8,500 contracts (Direct)
Footnotes (4)
  1. F1. The shares of common stock underlying the stock options vest in 12 equal quarterly installments commencing upon the date of grant.
  2. F2. Does not include (i) options to purchase 85,715 shares of common stock at an exercise price equal to $1.75 per share that expire on September 14, 2033, and (ii) options to purchase 15,000 shares of common stock at an exercise price equal to $1.64 per share that expire on September 3, 2035.
  3. F3. Each restricted stock unit (RSU) represents the right to receive, following vesting, one share of the Isuer's common stock.
  4. F4. The shares of common stock underlying the RSUs vest in 12 equal quarterly installments commencing upon the date of grant.
Stock options granted 17,000 shares Options for common stock granted to Eliot Forster on September 3, 2026
Option exercise price $2.59 per share Exercise price of 17,000 stock options granted September 3, 2026
Option expiration September 3, 2036 Expiration date of the 17,000 stock options granted to Eliot Forster
Restricted stock units granted 8,500 units RSUs granted to Eliot Forster on September 3, 2026, each for one share
Prior options at $1.75 85,715 shares Existing options at $1.75 per share expiring September 14, 2033, not included in new totals
Prior options at $1.64 15,000 shares Existing options at $1.64 per share expiring September 3, 2035, not included in new totals
restricted stock unit (RSU) financial
"Each restricted stock unit (RSU) represents the right to receive, following vesting, one share"
A restricted stock unit (RSU) is a promise from a company to give an employee company shares (or cash equal to their value) at a future date if certain conditions are met, such as staying with the company or hitting performance targets. For investors, RSUs matter because when they convert into actual shares they increase the number of shares available and can create selling pressure as employees cash out—think of them as a future paycheck paid in company stock.
exercise price financial
"options to purchase 85,715 shares of common stock at an exercise price equal to $1.75 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.
vest in 12 equal quarterly installments financial
"The shares of common stock underlying the stock options vest in 12 equal quarterly installments"
expire financial
"options to purchase 15,000 shares of common stock at an exercise price equal to $1.64 per share that expire on September 3, 2035"

FAQ

What equity awards did director Eliot Forster receive from PLX on September 3, 2026?

He received stock options for 17,000 shares of Protalix common stock at an exercise price of $2.59 per share and 8,500 restricted stock units, each representing one share of common stock, all granted on September 3, 2026.

How do the new stock options granted to Eliot Forster by PLX vest?

The shares of common stock underlying the new stock options vest in 12 equal quarterly installments commencing on the grant date, September 3, 2026, spreading vesting evenly over three years.

How do the restricted stock units granted to Eliot Forster by PLX vest?

The shares of common stock underlying the 8,500 RSUs vest in 12 equal quarterly installments commencing on the grant date. Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

What is the exercise price and expiration date of Eliot Forster’s new PLX stock options?

The new stock options have an exercise price of $2.59 per share and expire on September 3, 2036, providing a long-dated right to purchase Protalix common stock if vested.

What other Protalix stock options did Eliot Forster hold before these new grants?

He already held options to purchase 85,715 shares at $1.75 per share expiring September 14, 2033 and options to purchase 15,000 shares at $1.64 per share expiring September 3, 2035, which are not included in the new award totals.

Were Eliot Forster’s September 3, 2026 PLX equity awards made under a Rule 10b5-1 trading plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not selected, so the reported September 3, 2026 equity grants are not affirmed as being made under a Rule 10b5-1 trading plan.

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

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Learn about SEC filing dates
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
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*
Forster Eliot

(Last)(First)(Middle)
C/O PROTALIX BIOTHERAPEUTICS, INC.
2 SNUNIT STREET, SCIENCE PARK, POB 455

(Street)
CARMIEL2161401

(City)(State)(Zip)

ISRAEL

(Country)
2. Issuer Name and Ticker or Trading Symbol
Protalix BioTherapeutics, Inc. [ PLX ]
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)
09/03/2026
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
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)$2.5909/03/2026A17,000 (1)09/03/2036Common Stock17,000$017,000(2)D
Restricted Stock Units(3)09/03/2026A8,500 (4) (4)Common Stock8,500$08,500D
Explanation of Responses:
1. The shares of common stock underlying the stock options vest in 12 equal quarterly installments commencing upon the date of grant.
2. Does not include (i) options to purchase 85,715 shares of common stock at an exercise price equal to $1.75 per share that expire on September 14, 2033, and (ii) options to purchase 15,000 shares of common stock at an exercise price equal to $1.64 per share that expire on September 3, 2035.
3. Each restricted stock unit (RSU) represents the right to receive, following vesting, one share of the Isuer's common stock.
4. The shares of common stock underlying the RSUs vest in 12 equal quarterly installments commencing upon the date of grant.
/s/ Joseph R. Magnas, Attorney-in-Fact09/03/2026
** 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)

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