Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-145,850 + 26 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

26 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 26, 2026 MIST S 11,180 $1.93 $21,577 205,406 Direct -5.16% Disposed -58.0% (price as of 2026-10-02)
Dec. 15, 2025 MIST S 53,566 $2.32 $124,273 196,486 Direct -21.42% Disposed -65.1% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 2, 2026 MIST Employee Stock Option (right to buy) Common Shares (204,000) · Feb. 2, 2036 204,000 Acquired
Feb. 2, 2026 MIST Employee Stock Option (right to buy) Common Shares (204,000) $1.97 Feb. 2, 2036 204,000 Acquired
Feb. 2, 2026 MIST Restricted Stock Unit Common Shares (136,000) · · 136,000 Acquired
Jan. 26, 2026 MIST Restricted Stock Units Common Shares (20,100) · · 20,100 Disposed
Dec. 12, 2025 MIST Employee Stock Option (right to buy) Common Shares (100,000) $1.74 May 6, 2034 100,000 Acquired
July 11, 2025 MIST Series A Common Warrants (right to buy) Common Shares (66,666) $1.50 July 11, 2026 66,666 Acquired
July 11, 2025 MIST Series B Common Warrants (right to buy) Common Shares (66,666) $1.88 July 11, 2030 66,666 Acquired
Jan. 27, 2025 MIST Employee Stock Option (right to buy) Common Shares (120,600) $2.02 Jan. 27, 2035 120,600 Acquired
Jan. 27, 2025 MIST Restricted Stock Unit Common Shares (80,400) · · 80,400 Acquired
Feb. 16, 2023 MIST Employee Stock Option (right to buy) Common Shares (105,000) $3.59 Feb. 16, 2033 105,000 Acquired
March 21, 2022 MIST Employee Stock Option Grant (right to buy) Common Shares (160,000) $5.46 March 21, 2032 160,000 Acquired
March 24, 2021 MIST Employee Stock Option (right to buy) Common Shares (200,000) $6.26 March 24, 2031 200,000 Acquired
Aug. 26, 2020 MIST Employee Stock Option (right to buy) Common Stock (5,700) $1.54 Oct. 11, 2027 5,700 Disposed
June 5, 2020 MIST Employee Stock Option (right to buy) Common Shares (35,000) $3.74 June 5, 2030 35,000 Acquired
April 3, 2020 MIST Employee Stock Option (right to buy) Common Shares (18,043) $1.54 Oct. 15, 2028 18,043 Disposed
April 3, 2020 MIST Employee Stock Option (right to buy) Common Shares (32,528) $1.54 Oct. 11, 2027 32,528 Disposed
Jan. 23, 2020 MIST Employee Stock Option (right to buy) Common Shares (60,000) $21.48 Jan. 23, 2030 60,000 Acquired
Oct. 1, 2019 MIST Employee Stock Option (right to buy) Common Shares (2,500) $1.54 Oct. 11, 2027 2,500 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 8, 2019 MIST Common Shares 49,615 Direct
May 8, 2019 MIST Employee Stock Option (right to buy)→ Common Shares (90,482) 90,482 Direct
May 8, 2019 MIST Employee Stock Option (right to buy)→ Common Shares (50,946) 50,946 Direct
May 8, 2019 MIST Employee Stock Option (right to buy)→ Common Shares (18,799) 18,799 Direct