Lorenz Muller

Insider

First SEC filing: May 8, 2019 · Latest: May 8, 2019

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 16, 2023	MIST	A	105,000	—	—	105,000 Direct	—	Acquired	(price as of 2026-08-20)
March 21, 2022	MIST	A	160,000	—	—	160,000 Direct	—	Acquired	(price as of 2026-08-20)
March 24, 2021	MIST	A	200,000	—	—	200,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 26, 2020	MIST	M	5,700	—	—	49,754 Direct	-10.28%	Disposed	(price as of 2026-08-20)
Aug. 26, 2020	MIST	M	5,700	$1.54	$8,778	108,386 Direct	+5.55%	Acquired	-28.9% (price as of 2026-08-20)
June 5, 2020	MIST	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
April 3, 2020	MIST	M	18,043	—	—	32,903 Direct	-35.42%	Disposed	(price as of 2026-08-20)
April 3, 2020	MIST	M	32,528	—	—	55,454 Direct	-36.97%	Disposed	(price as of 2026-08-20)
April 3, 2020	MIST	M	18,043	$1.54	$27,786	102,686 Direct	+21.32%	Acquired	-28.9% (price as of 2026-08-20)
April 3, 2020	MIST	M	32,528	$1.54	$50,093	84,643 Direct	+62.42%	Acquired	-28.9% (price as of 2026-08-20)
Jan. 23, 2020	MIST	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 1, 2019	MIST	M	2,500	—	—	87,982 Direct	-2.76%	Disposed	(price as of 2026-08-20)
Oct. 1, 2019	MIST	M	2,500	$1.54	$3,850	52,115 Direct	+5.04%	Acquired	-28.9% (price as of 2026-08-20)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
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).

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

Date	Ticker	Security	Shares	Ownership
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