John Heinrich — SEC Insider Profile, Roles & Companies

Insider at

04

05

0 buys (P) 0 sells (S) Net: $0 + 2 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

2 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2024	SRTS	S	15,227	$6.24	$95,016	59,940 Direct	-20.26%	Disposed	-52.4% (price as of 2026-10-06)
May 17, 2024	SRTS	S	4,773	$5.95	$28,399	75,167 Direct	-5.97%	Disposed	-50.1% (price as of 2026-10-06)
May 11, 2023	SRTS	P	10,000	$2.86	$28,600	79,940 Direct	+14.30%	Acquired	3.8% (price as of 2026-10-06)
July 21, 2021	SRTS	A	10,000	·	·	69,940 Direct	+16.68%	Acquired	(price as of 2026-10-06)
Jan. 25, 2018	SRTS	A	20,000	·	·	59,940 Direct	+50.08%	Acquired	(price as of 2026-10-06)
June 3, 2016	SRTS	P	10,000	$5.25	$52,500	39,940 Direct	+33.40%	Acquired	-43.4% (price as of 2026-10-06)
June 3, 2016	SRTS	P	10,000	$0.25	$2,500	10,000 Direct	·	Acquired	1088.0% (price as of 2026-10-06)

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.

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Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 3, 2016	SRTS	Common Stock Warrants [F1]	Common Stock (10,000)	$6.75	June 8, 2021	10,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
June 2, 2016	SRTS	Common Stock	30,002	Direct