Thomas E Griffin

CIK 1625114 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 9, 2016 · Latest: Aug. 9, 2016

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 13, 2018 HSDT P 3,346 $7.47 $24,995 3,346 Direct Acquired -100.0% (price as of 2026-08-19)
April 13, 2018 HSDT P 3,346 $7.47 $24,995 3,346 Direct Acquired -100.0% (price as of 2026-08-19)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (20,000) $4.98 Aug. 8, 2026 20,000 Acquired
Dec. 7, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (20,000) $4.98 Aug. 8, 2020 20,000 Disposed
March 28, 2019 HSDT Stock Option (Right to Buy) Class A Common Stock (18,891) $6.76 March 28, 2029 18,891 Acquired
May 15, 2018 HSDT Stock Option (Right to Buy) Class A Common Stock (15,000) May 15, 2028 15,000 Acquired
April 13, 2018 HSDT Warrant (Right to Buy) Class A Common Stock (3,346) April 10, 2021 3,346 Acquired
April 17, 2017 HSDT Stock Option (Right to Buy) Class A Common Stock (100,000) April 17, 2027 100,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Aug. 9, 2016 HSDT Stock Option (Right to Buy)→ Class A Common Stock (100,000) 100,000 Direct