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Turbogen director reports 81,676-share stake

Turbogen Ltd. (TRBG) director Gafni Ziv filed an initial ownership report detailing current equity interests.

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Turbogen Ltd. (TRBG) director Gafni Ziv filed an initial ownership report detailing current equity interests. Ziv holds 81,676 Ordinary shares directly. In addition, Ziv holds options over 30,177 Ordinary shares with an exercise price of $2.99 per share, expiring on March 9, 2032. As of August 25, 2026, 20,118 of these options are fully vested and none have been exercised.

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Insider Gafni Ziv
Role Director
Type Security Shares Price Value
holding Share option (right to buy) F2, F1 -- -- --
holding Ordinary shares -- -- --
Holdings After Transaction: Share option (right to buy) — 30,177 contracts (Direct); Ordinary shares — 81,676 shares (Direct)
Footnotes (2)
  1. F1. A total of 30,177 options were granted on March 9, 2025 and vest in three equal installments of 33.3% beginning March 9, 2025. As of August 25, 2026, 20,118 options are fully vested and none have been exercised into ordinary shares.
  2. F2. The options were granted with an exercise price of NIS 8.95 per share. For purposes of this Form 3, the exercise price has been converted into U.S. dollars using an exchange rate of NIS 2.994 to USD $1.00 as of August 24, 2026, resulting in an exercise price of $2.99 per share.
Directly owned Ordinary shares 81,676 shares Direct ownership position reported as of the Form 3 filing date
Options underlying Ordinary shares 30,177 shares Number of Ordinary shares underlying reported share options
Option exercise price $2.99 per share Exercise price converted from NIS 8.95 using NIS 2.994 to USD $1.00 as of August 24, 2026
Vested options 20,118 options Options fully vested as of August 25, 2026; none exercised
Total options granted 30,177 options Options granted on March 9, 2025 vesting in three equal installments of 33.3%
Option expiration date March 9, 2032 Expiration date of the reported share options
FX rate used for exercise price conversion NIS 2.994 to USD $1.00 Exchange rate as of August 24, 2026 used to convert NIS 8.95 exercise price
Form 3 regulatory
"For purposes of this Form 3, the exercise price has been converted"
Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.
exercise price financial
"The options were granted with an exercise price of NIS 8.95 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 three equal installments financial
"30,177 options were granted on March 9, 2025 and vest in three equal installments"
Ordinary shares financial
"none have been exercised into ordinary shares"
Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.
exchange rate financial
"using an exchange rate of NIS 2.994 to USD $1.00 as of August 24, 2026"
Exchange rate is the price of one currency expressed in another—for example, how many euros you receive for one US dollar. It matters to investors because changes in that price alter the reported profits, costs and value of assets for companies and portfolios that operate or hold money across borders; think of it like switching measurement units, where the same item can look bigger or smaller depending on the unit used.

FAQ

What does Turbogen Ltd. (TRBG) director Gafni Ziv report on this Form 3?

Gafni Ziv reports direct ownership of 81,676 Ordinary shares of Turbogen Ltd. and options over 30,177 Ordinary shares that are currently unexercised. This filing establishes Ziv’s initial beneficial ownership position as a director of TRBG.

How many options does Gafni Ziv hold in Turbogen Ltd. (TRBG) and at what exercise price?

Gafni Ziv holds 30,177 options to acquire Turbogen Ltd. Ordinary shares at an exercise price of $2.99 per share, converted from NIS 8.95 using an exchange rate of NIS 2.994 to USD $1.00 as of August 24, 2026.

What is the vesting status of Gafni Ziv’s options in Turbogen Ltd. (TRBG)?

The 30,177 options granted on March 9, 2025 vest in three equal installments of approximately 33.3%. As of August 25, 2026, 20,118 options are fully vested and none have been exercised into Ordinary shares.

When do Gafni Ziv’s options in Turbogen Ltd. (TRBG) expire?

The reported share options held by Gafni Ziv to acquire Turbogen Ltd. Ordinary shares have an expiration date of March 9, 2032, providing a long-dated right to purchase up to 30,177 shares at the fixed exercise price of $2.99 per share.

How many Turbogen Ltd. (TRBG) Ordinary shares does Gafni Ziv own directly?

Gafni Ziv directly owns 81,676 Ordinary shares of Turbogen Ltd., as reported in the Form 3 filing. These are separate from the 30,177 underlying shares subject to outstanding options reported in the same filing.

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

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Learn about SEC filing dates
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Gafni Ziv

(Last)(First)(Middle)
22 EFAL STREET, KIRYAT ARYEH

(Street)
PETAH TIKVA4951122

(City)(State)(Zip)

ISRAEL

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
08/28/2026
3. Issuer Name and Ticker or Trading Symbol
Turbogen Ltd. [ TRBG ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary shares81,676D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Share option (right to buy)03/29/2025(1)03/09/2032Ordinary shares30,177$2.99(2)D
Explanation of Responses:
1. A total of 30,177 options were granted on March 9, 2025 and vest in three equal installments of 33.3% beginning March 9, 2025. As of August 25, 2026, 20,118 options are fully vested and none have been exercised into ordinary shares.
2. The options were granted with an exercise price of NIS 8.95 per share. For purposes of this Form 3, the exercise price has been converted into U.S. dollars using an exchange rate of NIS 2.994 to USD $1.00 as of August 24, 2026, resulting in an exercise price of $2.99 per share.
/s/ Ziv Gafni08/31/2026
** 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 5 (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 3: SEC 1473 (03-26)