Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 24 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

24 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 22, 2017 HSDT P 382,653 $1.96 $750,000 382,653 Direct · Acquired -100.0% (price as of 2026-10-02)
Dec. 22, 2017 HSDT P 382,653 $1.96 $750,000 422,653 Direct +956.63% Acquired -100.0% (price as of 2026-10-02)
Nov. 17, 2017 HSDT P 20,000 $2.51 $50,200 40,000 Direct +100.00% Acquired -100.0% (price as of 2026-10-02)
Nov. 16, 2017 HSDT P 20,000 $2.40 $48,000 20,000 Direct · Acquired -100.0% (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
May 21, 2026 HSDT Stock Option (Right to Buy) Class A Common Stock (18,564) $2.36 May 20, 2036 18,564 Acquired
March 31, 2026 HSDT Stock Option (Right to Buy) Class A Common Stock (23,529) $6.88 March 30, 2036 23,529 Acquired
July 2, 2025 HSDT Stock Option (Right to Buy) Class A Common Stock (2,600) $9.76 July 1, 2035 2,600 Acquired
Jan. 6, 2025 HSDT Stock Option (Right to Buy) Class A Common Stock (10,732) $0.73 Jan. 5, 2035 10,732 Acquired
July 2, 2024 HSDT Stock Option (Right to Buy) Class A Common Stock (31,000) $0.96 July 1, 2034 31,000 Acquired
May 24, 2023 HSDT Stock Option (Right to Buy) Class A Common Stock (284,865) $0.16 May 23, 2033 284,865 Acquired
May 23, 2022 HSDT Stock Option (Right to Buy) Class A Common Stock (21,605) $1.40 May 22, 2032 21,605 Acquired
May 25, 2021 HSDT Stock Option (Right to Buy) Class A Common Stock (3,063) $13.30 May 24, 2031 3,063 Acquired
June 10, 2020 HSDT Stock Option (Right to Buy) Class A Common Stock $0.55 June 9, 2030 61,218 Acquired
June 10, 2020 HSDT Stock Option (Right to Buy) Class A Common Stock (36,697) $0.55 June 9, 2030 36,697 Acquired
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (20,000) $5.35 July 13, 2026 20,000 Acquired
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (20,000) $5.35 July 13, 2020 20,000 Disposed
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (10,000) $4.48 Dec. 31, 2025 10,000 Acquired
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (10,000) $4.48 Dec. 31, 2020 10,000 Disposed
March 28, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (18,990) $6.76 March 28, 2029 18,990 Acquired
May 15, 2018 HSDT Stock Option (Right to Buy) Class A Common Stock (15,000) · May 15, 2028 15,000 Acquired
Dec. 22, 2017 HSDT Warrant (Right to Buy) Class A Common Stock (382,653) $2.45 Dec. 22, 2020 382,653 Acquired
April 17, 2017 HSDT Stock Option (Right to Buy) Class A Common Stock (100,000) · April 17, 2027 100,000 Acquired
July 13, 2016 HSDT Stock Option Class A Common Stock (100,000) · July 13, 2020 100,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Jan. 8, 2016 HSDT Stock Option (Right to Buy)→ Class A Common Stock (50,000) 50,000 Direct