Every Form 4 that Nano Nuclear Energy Inc. (NNE) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow NNE and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full NNE filings page.
Nano Nuclear Energy Inc. (NNE) director and Chief Executive Officer James John Walker reported selling 25,000 shares of common stock on September 3, 2026 in an open-market or private transaction at a weighted-average price of $17.77 per share under a Rule 10b5-1 trading plan.
The filing states that, after this sale, Walker held 635,000 shares of Nano Nuclear Energy common stock directly. The transaction was executed in multiple trades at prices ranging from $17.59 to $18.20 per share.
Nano Nuclear Energy Inc. (NNE) director, officer and ten percent owner Yu Jiang reported two indirect open-market sales of Common Stock held through I Financial Ventures Group LLC under a Rule 10b5-1 trading plan. On September 1 and 2, 2026, the entity sold an aggregate of 474,500 shares at weighted-average prices in the high-$17 range, with Jiang deemed the beneficial owner through his control of I Financial.
Nano Nuclear Energy Inc. (NNE) director and Chief Executive Officer James John Walker reported selling 25,000 shares of common stock on September 1, 2026 in a sale characterized as an open-market or private transaction at a weighted-average price of $17.4426 per share. The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted in September 2025, and after this sale he reported holding 660,000 shares of Nano Nuclear Energy common stock directly.
Nano Nuclear Energy Inc. (NNE) director and Chief Executive Officer James John Walker reported an amended Form 4 reflecting the exercise of 200,000 stock options at an exercise price of $3.00 per share into 200,000 shares of common stock on June 3, 2026. Following this option exercise, the amended tables show 780,000 shares of common stock beneficially owned and 300,000 options held immediately after the transaction, with the options originally granted on March 13, 2025 and expiring March 13, 2035. A footnote further clarifies that, as of the date of the report, Walker holds 685,000 shares of common stock and 300,000 options, and notes that this amendment corrects the original June 5, 2026 Form 4 to properly reflect the exercised options and resulting holdings.
Nano Nuclear Energy Inc. director Law Tsun Yee acquired 3,428 shares of common stock through the vesting and settlement of restricted stock units. These RSUs were granted on June 3, 2025 under the company’s 2025 Equity Incentive Plan, based on a value per RSU of $29.18. Following the transaction, he directly holds 78,428 common shares, with 2,968 RSUs remaining outstanding as deferred equity compensation.
Nano Nuclear Energy Inc. director Diane Elizabeth Hare reported a vesting and sale of shares tied to equity awards. On June 3, 2026, 3,428 shares of common stock were issued upon vesting and settlement of Restricted Stock Units valued at $29.18 per RSU. She then sold 3,428 shares in multiple open-market trades at prices between $25.76 and $28.87 per share under a pre-arranged Rule 10b5-1 trading plan, ending with no directly held common shares while retaining unvested RSUs.
Nano Nuclear Energy Inc. director and CEO James John Walker reported an exercise-and-sell transaction in the company’s common stock. He exercised 70,000 stock options at an exercise price of $3.00 per share and 28,688 Restricted Stock Units that settled into common shares, then sold 123,688 shares in multiple open-market trades at prices generally in the mid-to-high $20s. The filing notes these sales were carried out under a pre-arranged Rule 10b5-1 trading plan. After the transactions, he held 580,000 common shares directly.
Nano Nuclear Energy Inc. President and Chairman Yu Jiang reported a mix of stock sales and equity exercises. On June 3, 2026, entities associated with him sold a total of 745,900 shares of common stock in open-market transactions, including sales by I Financial Ventures Group LLC, under a Rule 10b5-1 trading plan adopted in September 2025.
On the same date, Jiang exercised derivatives to acquire 245,900 shares, including 200,000 shares issued upon exercise of stock options with a $3 per share exercise price held through I Financial and 45,900 shares issued upon settlement of Restricted Stock Units granted on June 3, 2025 at a reference value of $29.18 per share. After these transactions, he remains a significant shareholder and insider at the company.
Nano Nuclear Energy Inc. Chief Technology Officer Florent Heidet reported equity compensation activity and a related stock sale. On June 3, 2026, 9,185 shares of common stock were issued upon vesting and settlement of Restricted Stock Units granted on June 3, 2025 under the 2025 Equity Incentive Plan, based on a value per RSU of $29.18.
Following this vesting, Heidet executed an open-market sale of 3,000 shares of common stock on June 5, 2026 at a weighted-average price of $24.9525 per share, in multiple trades between $24.8500 and $25.0850. After the sale, he directly holds 6,185 shares of common stock and 29,647 RSUs remain outstanding.
Nano Nuclear Energy Inc. Chief Financial Officer Jaisun Garcha reported an exercise-and-sell transaction in company stock. On June 3, 2026, he exercised stock options at an exercise price of $3.00 per share and settled Restricted Stock Units granted under the 2025 Equity Incentive Plan, acquiring a total of 37,215 shares of common stock.
That same day, he sold 37,215 shares of common stock in multiple open-market transactions at weighted-average prices ranging from $25.71 to $29.91 per share pursuant to a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he directly holds 345,000 shares of common stock, 87,845 RSUs and 150,000 stock options.
I Financial Ventures Group LLC, a 10% owner of Nano Nuclear Energy Inc., reported a mix of option exercise and share sales. On June 3, 2026, it sold a net 700,000 shares of common stock in multiple open-market trades and exercised 200,000 stock options at $3 per share to acquire the same number of shares. The filing notes the sales were carried out under a Rule 10b5-1 trading plan, indicating they were pre-scheduled rather than timed opportunistically.
Nano Nuclear Energy Inc. director Yu Kenny Joe Yung acquired 3,428 shares of common stock on June 3, 2026 through the vesting and settlement of previously granted Restricted Stock Units (RSUs). These RSUs were granted on June 3, 2025 under the 2025 Equity Incentive Plan based on a value of $29.18 per RSU. After this equity award vested, Yung directly holds 18,428 shares of common stock and 2,968 RSUs, reflecting routine equity compensation rather than an open-market purchase or sale.
Nano Nuclear Energy Inc. director Berl Seth Jason reported an exercise of equity awards followed by a partial share sale. On June 3, 2026, he exercised 7,500 Restricted Stock Units, receiving the same number of common shares at a stated conversion price of $0.00 per share. On June 5, 2026, he then sold 3,750 common shares in open-market transactions at a weighted-average price of $24.9223 per share, in trades ranging from $24.8000 to $25.0850. After these transactions, he directly holds 7,586 common shares and 2,968 Restricted Stock Units.
Nano Nuclear Energy Inc. director Berl Seth Jason completed an open-market sale of 3,664 shares of common stock at a weighted-average price of $27.6867 per share on March 2, 2026. The sale was a non-discretionary “sell to cover” transaction to satisfy tax withholding on previously granted RSUs. After this sale, he held 3,836 common shares directly.
Nano Nuclear Energy Inc. director and Chief Executive Officer James John Walker exercised previously granted stock options and received additional common shares. On February 2, 2026, he exercised options for 330,000 shares of common stock at an exercise price of $1.50 per share. These options were fully vested and exercisable since February 10, 2023, and were set to expire on February 10, 2026. Following the transaction, he directly owned 580,000 shares of common stock and 500,000 stock options.
Nano Nuclear Energy Inc.’s Chief Financial Officer, Jaisun Garcha, reported exercising vested stock options and increasing his direct common share holdings. On February 2, 2026, he exercised options for 75,000 shares at $1.50 per share and 20,000 shares at $3.00 per share.
These exercises delivered the corresponding common stock, bringing his directly owned common shares to 325,000 and 345,000 after each respective transaction. He continues to hold stock options, including 190,000 and 170,000 derivative securities remaining after the reported option exercises.
Nano Nuclear Energy Inc.’s president and chairman Yu Jiang, through I Financial Ventures Group LLC, reported a series of planned option exercises and share sales in late January 2026. I Financial exercised stock options at an exercise price of $1.50 per share on January 28 and January 29, 2026, receiving multiple blocks of common stock.
On both days, I Financial then sold the corresponding common shares in market transactions at weighted-average prices ranging from $30.2500 to $35.2500, all under a Rule 10b5-1 trading plan adopted in September 2025. Following these transactions, I Financial indirectly held 8,724,000 shares of Nano Nuclear common stock and 500,000 stock options, over which Jiang has investment control and may be deemed a beneficial owner.
Nano Nuclear Energy Inc.’s 10% owner, I Financial Ventures Group LLC, reported option exercises and share sales in late January 2026. On January 28–29, I Financial exercised stock options with a $1.50 exercise price and sold common shares at weighted-average prices between $30.25 and $35.25 under a Rule 10b5-1 trading plan. Following these transactions, I Financial directly held 8,724,000 shares of Nano Nuclear common stock and 200,000 stock options.
Nano Nuclear Energy Inc. chief executive and director James John Walker reported multiple insider transactions dated January 28, 2026. He exercised stock options to purchase 170,000 shares of common stock at an exercise price of $1.50 per share, converting previously granted, fully vested options that were set to expire on February 10, 2026.
On the same day, he executed several open-market sales of common stock under a Rule 10b5-1 trading plan adopted in September 2025, with weighted-average sale prices based on trade ranges between $33.1200 and $35.3500. Following these transactions, Walker directly beneficially owned 250,000 shares of common stock and 830,000 stock options.
Nano Nuclear Energy Inc. Chief Financial Officer Jaisun Garcha reported an option exercise and share sales. On January 28, 2026, he exercised 75,000 stock options at an exercise price of $1.50 per share, receiving the same number of common shares.
The same day, he sold Nano Nuclear common stock in three transactions: 39,845 shares at $33.6612, 31,163 shares at $34.3758, and 3,992 shares at $35.2314. These sales were made under a Rule 10b5-1 trading plan adopted in September 2025. After the transactions, he directly owned 250,000 common shares and 265,000 stock options.
Nano Nuclear Energy Inc. (NNE) reported an equity award to its Chief Executive Officer and director, James John Walker. On November 13, 2025, he received 89,022 restricted stock units (RSUs) under the company’s 2025 Equity Incentive Plan, valued using a per‑RSU price of $33.70, the Nasdaq closing price of the common stock on that date. Each RSU represents one share of common stock, subject to plan and award agreement terms.
The RSUs vest in three equal installments, with one third vesting on each of the first, second and third anniversaries of the grant date, conditioned on Walker’s continued service with the company through each vesting date. Any fractional RSUs are carried forward and vest only when they accumulate to a whole unit.
Nano Nuclear Energy Inc. (NNE) insider Jiang Yu reported an equity award in the form of restricted stock units (RSUs). On November 13, 2025, Yu, who serves as President, Chairman, Director, and a 10% owner, received 183,978 RSUs under the company’s 2025 Equity Incentive Plan. The grant was valued using a price of $33.70 per RSU, based on the Nasdaq closing price of the company’s common stock on the grant date. Each RSU represents one share of Nano Nuclear Energy common stock and will vest in three equal annual installments on the first, second, and third anniversaries of the grant date, contingent on Yu’s continued service with the company. Any fractional RSU amounts accrue and vest only once a whole unit is accumulated.
Nano Nuclear Energy Inc. (NNE) reported an equity award to a director in the form of restricted stock units (RSUs). On November 13, 2025, the director received 2,968 RSUs under the company’s 2025 Equity Incentive Plan, based on a value per RSU of $33.70, which matches the closing price of the common stock on that date. Each RSU represents the right to receive one share of common stock, subject to plan and award terms. The RSUs are scheduled to vest on the first anniversary of the grant date, contingent on the director’s continued service, with any fractional RSU amounts accumulating until a whole unit is reached.
Nano Nuclear Energy Inc. granted a new equity award to one of its directors. On November 13, 2025, director Diane Elizabeth Hare received 2,968 restricted stock units (RSUs) of Nano Nuclear Energy Inc. common stock under the company’s 2025 Equity Incentive Plan. The grant value was based on a price of $33.70 per RSU, equal to the Nasdaq Capital Market closing price of the company’s common stock on the grant date. Each RSU represents one share of common stock and will vest on the first anniversary of the grant date, as long as the director continues serving the company. Any fractional RSU amounts are accumulated and only vest when they total a whole RSU.
Nano Nuclear Energy Inc. (NNE) reported an equity award to a director on a Form 4. Director Kenny Joe Yung Yu received 2,968 restricted stock units (RSUs) on November 13, 2025 under the company’s 2025 Equity Incentive Plan. The grant value was based on a price of $33.70 per RSU, equal to the closing price of Nano Nuclear’s common stock on Nasdaq that day. Each RSU represents one share of common stock. The RSUs vest in full on the first anniversary of the grant date, as long as the director continues to serve the company through that vesting date, with fractional RSUs vesting only once they accumulate to a whole unit.
Nano Nuclear Energy Inc. (NNE) reported a stock-based compensation grant to one of its directors. On November 13, 2025, the director received 2,968 restricted stock units (RSUs) under the company’s 2025 Equity Incentive Plan, valued at $33.70 per RSU, which was the closing price of the common stock on that date. Each RSU represents one share of common stock. The RSUs are scheduled to vest on the first anniversary of the grant date, as long as the director continues to provide service to the company through that vesting date; fractional RSUs only vest once they accumulate to a whole unit.
Nano Nuclear Energy Inc. (NNE) granted its Chief Technology Officer, Florent Heidet, 11,277 restricted stock units (RSUs) on November 13, 2025 under the company’s 2025 Equity Incentive Plan. The grant value was based on a per-RSU price of $33.70, equal to the closing price of Nano Nuclear’s common stock on The Nasdaq Capital Market on the grant date. Each RSU represents the right to receive one share of Nano Nuclear common stock, subject to the award agreement and plan terms. The RSUs vest in three equal installments, with one-third vesting on each of the first, second, and third anniversaries of the grant date, conditioned on Heidet’s continued service with the company.
Nano Nuclear Energy Inc. (NNE) reported an equity award to its Chief Financial Officer, Jaisun Garcha, via a Form 4 insider filing. On November 13, 2025, he received 53,415 restricted stock units (RSUs) under the company’s 2025 Equity Incentive Plan. The grant was based on a value per RSU of $33.70, which was the closing price of Nano Nuclear Energy’s common stock on The Nasdaq Capital Market that day. Each RSU converts into one share of common stock, vesting in three equal installments on the first, second, and third anniversaries of the grant date, conditioned on his continued service with the company. Any fractional RSU amounts are accumulated and vest only when they total a whole unit.