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NioCorp Developments (NB) grants SVP Ernest Cleave 97,720 options

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

Rhea-AI Filing Summary

NioCorp Developments Ltd reported that Senior VP Business Development Ernest M. Cleave received a grant of 97,720 employee stock options to buy common shares at an exercise price of $4.74 per share. According to the vesting schedule, 34% vested on the grant date, 33% will vest on the first anniversary, and the remaining balance will vest on July 6, 2028. These options expire on July 6, 2031 and represent compensation rather than an open-market stock purchase or sale.

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Insider Cleave Ernest M.
Role Senior VP Business Development
Type Security Shares Price Value
Grant/Award Employee Stock Option (Right to Buy) 97,720 $0.00 --
Holdings After Transaction: Employee Stock Option (Right to Buy) — 97,720 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Options granted 97,720 options Employee stock option grant to Senior VP Business Development
Exercise price $4.74 per share Option strike price for NioCorp common shares
Immediate vesting portion 34% of options Vested on the grant date
First anniversary vesting 33% of options Vests on first anniversary of grant date
Final vesting date July 6, 2028 Remaining balance of options vest
Option expiration July 6, 2031 Expiration date of employee stock options
Shares underlying options 97,720 common shares Underlying security for the employee stock options
Post-grant derivative holdings 97,720 options Total derivative securities following the transaction
Employee Stock Option (Right to Buy) financial
"security_title: Employee Stock Option (Right to Buy)"
grant date financial
"34% of the options vested on the grant date"
The grant date is the day a company formally gives an employee or contractor the right to receive stock-based compensation, such as stock options or restricted shares. It matters to investors because it fixes key terms—like the price, the start of the ownership clock, and when the award will affect the company’s financial statements and share count—so it can influence dilution, reported expenses, and potential future selling pressure.
vest financial
"33% of the options will vest on the first anniversary"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
exercise price financial
"conversion_or_exercise_price: 4.7400"
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.
expiration date financial
"expiration_date: 2031-07-06T00:00:00.000Z"
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
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FAQ

What insider transaction did NioCorp Developments (NB) report for Ernest M. Cleave?

NioCorp reported that Senior VP Business Development Ernest M. Cleave received a grant of 97,720 employee stock options. These options give him the right to buy common shares at a fixed exercise price as part of his compensation package.

How many stock options did Ernest M. Cleave receive from NioCorp Developments (NB)?

Ernest M. Cleave received 97,720 employee stock options. Each option allows him to purchase one common share at the specified exercise price, subject to the vesting schedule outlined in the grant’s terms and conditions.

What is the exercise price of Ernest M. Cleave’s NioCorp (NB) stock options?

The exercise price of Ernest M. Cleave’s employee stock options is $4.74 per share. This is the fixed price he must pay to buy each common share once the related options have vested and before they expire.

How do the NioCorp (NB) stock options granted to Ernest M. Cleave vest?

The options vest in three stages: 34% vested on the grant date, 33% vest on the first anniversary of the grant, and the remaining balance vests on the second anniversary, which is July 6, 2028, if service-based conditions are met.

When do Ernest M. Cleave’s NioCorp (NB) stock options expire?

Ernest M. Cleave’s employee stock options expire on July 6, 2031. He must exercise any vested options before this expiration date; otherwise, any unexercised options will lapse and no longer be exercisable.

Is Ernest M. Cleave’s NioCorp (NB) Form 4 transaction a market purchase or sale?

No, the Form 4 reflects a grant of employee stock options, not a market purchase or sale of existing shares. It represents compensation issued by NioCorp, giving him future rights to buy shares at a set price.
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*
Cleave Ernest M.

(Last)(First)(Middle)
C/O NIOCORP DEVELOPMENTS LTD.
7000 YOSEMITE STREET, SUITE 115

(Street)
CENTENNIAL COLORADO 80112

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
NIOCORP DEVELOPMENTS LTD [ NB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Senior VP Business Development
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/06/2026
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
Employee Stock Option (Right to Buy)$4.7407/06/2026A97,720 (1)07/06/2031%Common Shares97,720$097,720D
Explanation of Responses:
1. 34% of the options vested on the grant date, 33% of the options will vest on the first anniversary of the grant date, and the remaining balance will vest on the second anniversary of the grant date (July 6, 2028).
/s/ Neal S. Shah, attorney-in-fact07/08/2026
** 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)