Mark Chin

CIK 1734389 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 7, 2021 · Latest: Oct. 7, 2021

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 14 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

14 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 21, 2022 PYXS S 1,745,761 $3.05 $5,324,571 0 Indirect -100.00% Disposed 5.9% (price as of 2026-08-20)
Oct. 13, 2021 PYXS P 312,500 $16.00 $5,000,000 1,745,761 Indirect +21.80% Acquired -79.8% (price as of 2026-08-20)
July 16, 2021 ELVN P 1,333,333 $6.00 $7,999,998 2,344,072 Indirect +131.92% Acquired 865.7% (price as of 2026-08-20)
March 16, 2020 ELVN P 187,500 $16.00 $3,000,000 1,554,558 Indirect +13.72% Acquired 262.1% (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.

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
June 18, 2026 IRON Stock Option (Right to Buy) Common Stock (6,212) $70.79 June 17, 2036 6,212 Acquired
June 11, 2025 IRON Stock Option (Right to Buy) Common Stock (10,000) $50.86 June 10, 2035 10,000 Acquired
June 12, 2024 IRON Stock Option (Right to Buy) Common Stock (10,000) $38.85 June 11, 2034 10,000 Acquired
June 9, 2023 IRON Stock Option (Right to Buy) Common Stock (7,136) $45.69 June 8, 2033 7,136 Acquired
Dec. 29, 2022 IRON Stock Option (Right to Buy) Common Stock (7,000) $13.50 Dec. 28, 2032 7,000 Acquired
June 2, 2022 ELVN Stock Options (Right to Buy) Common Stock (8,500) $1.07 June 1, 2032 8,500 Acquired
Oct. 13, 2021 PYXS Series B Convertible Preferred Stock Common Stock (1,433,261) — — 9,114,109 Disposed
Oct. 7, 2021 PYXS Stock Option (Right to buy) Common Stock (42,191) $16.00 Oct. 7, 2031 42,191 Acquired
June 29, 2021 ELVN Stock Options (Right to Buy) Common Stock (7,728) $8.12 June 28, 2031 7,728 Acquired
March 16, 2020 ELVN Stock Option (right to buy) Common Stock (15,457) $16.00 March 15, 2030 15,457 Acquired
March 16, 2020 ELVN Series B Preferred Stock Common Stock (1,367,058) — — 8,611,110 Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date Ticker Security Shares Ownership
Oct. 7, 2021 PYXS Series B Convertible Preferred Stock→ Common Stock (1,433,261) 1,433,261 Indirect
Oct. 7, 2021 PYXS Stock Option (Right to buy)→ Common Stock (15,725) 15,725 Direct
March 11, 2020 ELVN Series B Preferred Stock→ Common Stock (1,367,058) 1,367,058 Indirect