Trilogy Metals SEC Filings

Trilogy Metals Inc. furnished an update on the Ambler Access Project under Item 7.01 (Regulation FD Disclosure). The company shared this information via a press release attached as Exhibit 99.1.

The press release is being furnished, not filed, and will not be incorporated by reference into other filings unless specifically stated. Trilogy’s common shares trade under TMQ on the NYSE American and the Toronto Stock Exchange.

Trilogy Metals (TMQ) reported insider activity: President & CEO and Director Tony Giardini exercised stock options on 10/16/2025 and acquired 1,123,400 common shares at $1.79 (converted from C$2.52 at C$1.4048 = $1.00). Following the transactions, he beneficially owns 8,332,060 shares, held directly.

The exercises (code M) covered two option grants: 223,400 shares from options expiring 12/09/2025 and 900,000 shares from options expiring 12/09/2025, with vesting in thirds on 12/10/2020, 12/10/2021, and 12/10/2022.

Trilogy Metals (TMQ): Director insider transaction

On 10/16/2025, a director exercised 100,000 stock options at $1.79 per share (code M) and sold 100,000 common shares at $7.50 per share (code S). Following these transactions, the director directly owned 234,046 common shares. The option exercised was originally priced in Canadian dollars (C$2.52) and the sale price (C$10.53821) was converted using C$1.4048 = US$1.00. The exercised option related to a grant exercisable since 12/10/2020 and expiring 12/09/2025, with 0 derivative securities remaining after the exercise.

Director William I. Iggiagruk Hensley reported same-day option exercise and share sales in Trilogy Metals Inc. (TMQ) on 10/08/2025. He exercised a director stock option to acquire 100,000 common shares at an exercise price of $1.81 per share (U.S. dollar equivalent). Immediately thereafter he sold 100,000 common shares at an average weighted price of $6.39 per share (U.S. dollar equivalent), with sale prices reported in Canadian dollars in the footnote. Following these transactions the reporting person beneficially owns 43,638 common shares directly.

Diana J. Walters, a director of Trilogy Metals Inc. (TMQ), reported paired option exercise and sale transactions on 10/08/2025. She exercised 100,000 director stock options with an exercise price of $1.81 (converted from C$2.52) and immediately sold 100,000 common shares at a weighted average sale price of $7.03 (converted from C$9.81), completing multiple sale trades priced between C$9.56 and C$10.07. After these transactions she beneficially owned 51,302 common shares directly.

Trilogy Metals (TMQ) reported insider activity by its VP & CFO, Elaine Sanders. On 10/08/2025, she exercised 450,000 employee stock options at $1.81 per share and sold shares in two transactions: 50,599 shares at a weighted average price of $6.91 and 399,000 shares at a weighted average price of $6.8361. Following these trades, she owned 3,149,561 common shares directly.

The option grant was dated December 10, 2020 and vested in thirds through 2022, with an expiration date of 12/09/2025. Canadian prices were converted using C$1.3952 = US$1.00, as noted in the footnotes.

Trilogy Metals Inc. (TMQ) reporting person Janice Stairs, a company director, disclosed transactions on 10/09/2025. She exercised a stock option for 100,000 shares at a converted exercise price of $1.80 and acquired those shares. On the same day she sold 50,613 common shares at a weighted average sale price of $6.5607 (converted from Canadian dollars using C$1.40 = US$1.00). After these transactions she beneficially owned 508,608 common shares. The exercised option had an original grant/exercise price of C$2.52 (converted) and an expiration date of 12/09/2025. The Form 4 was signed by an attorney-in-fact on 10/10/2025.

Trilogy Metals Inc. (TMQ) reporting person Gregory A. Lang disclosed multiple transactions in the company's common shares and an option exercise in October 2025. On 10/08/2025 he donated 30,000 shares to charity at a reported price of $6.31, leaving 344,181 shares beneficially owned indirectly via a family trust. On 10/09/2025 he exercised an employee stock option for 50,000 shares at an exercise price of $1.80 (converted from C$2.52), acquired those 50,000 shares, and sold a total of 169,181 shares across several transactions at weighted prices of $6.53, $6.57, and $6.77. Following the reported activity the filing lists various post-transaction beneficial holdings, including 352,000 and 252,000 shares tied to the family trust on different lines. The filing includes conversion and weighted-average price notes tied to a C$ to US$ exchange rate of C$1.40 = US$1.00.

Director William Beckwith Hayden reported multiple transactions in Trilogy Metals Inc. (TMQ) on 10/08/2025 and 10/09/2025. On 10/08/2025 the reporting person recorded acquisitions totaling 325,000 common shares by conversion/exercise across five separate items (100,000; 50,000; 50,000; 50,000; 75,000), with Canadian exercise prices converted to U.S. dollars using a C$1.3952 exchange rate. Also on 10/08/2025 the filing shows a sale of 64,294 shares at a weighted average price of $7.06, and on 10/09/2025 a sale of 200,000 shares at a weighted average price of $6.61. After these transactions the reporting person beneficially owned 382,685 common shares. The form identifies the filer as a Director and includes footnotes disclosing Canadian price conversions and ranges for the weighted average sale prices.