Edward Hurwitz

CIK 1211840 · View on SEC EDGAR ↗

Insider

First SEC filing: June 9, 2026 · Latest: June 9, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 30, 2023 MGNX P 15,000 $4.91 $73,650 33,074 Direct +82.99% Acquired -15.4% (price as of 2026-08-20)
Aug. 7, 2020 DYN P 26,176 $2.81 $73,555 26,176 Indirect — Acquired 826.0% (price as of 2026-08-20)
Aug. 7, 2020 DYN P 70,492 $2.81 $198,083 70,492 Indirect — Acquired 826.0% (price as of 2026-08-20)
Aug. 7, 2020 DYN P 1,326,313 $2.81 $3,726,940 1,326,313 Indirect — Acquired 826.0% (price as of 2026-08-20)
July 31, 2020 DYN P 96,576 $1.00 $96,576 275,932 Indirect +53.85% Acquired 2502.0% (price as of 2026-08-20)
July 31, 2020 DYN P 260,077 $1.00 $260,077 743,076 Indirect +53.85% Acquired 2502.0% (price as of 2026-08-20)
July 31, 2020 DYN P 4,893,347 $1.00 $4,893,347 13,980,992 Indirect +53.85% Acquired 2502.0% (price as of 2026-08-20)
Feb. 18, 2014 MGNX S 308,513 $36.50 $11,260,724 1,704,996 Indirect -15.32% Disposed -88.6% (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 5, 2026 DYN Stock option (right to buy) Common Stock (35,152) $17.04 June 4, 2036 35,152 Acquired
May 19, 2026 MGNX Stock Option (right to buy) Common Stock (22,000) $4.52 May 19, 2036 22,000 Acquired
May 19, 2026 MGNX Restricted Stock Unit Common Stock (3,750) — — 3,750 Acquired
May 18, 2026 MGNX Restricted Stock Unit Common Stock (3,750) — — 3,750 Disposed
May 30, 2025 DYN Stock option (right to buy) Common Stock (35,000) $11.96 May 29, 2035 35,000 Acquired
May 21, 2025 MGNX Stock Option (right to buy) Common Stock (22,000) $1.49 May 21, 2035 22,000 Acquired
May 21, 2025 MGNX Restricted Stock Unit Common Stock (3,750) — — 3,750 Acquired
May 20, 2025 MGNX Restricted Stock Unit Common Stock (6,500) — — 6,500 Disposed
May 22, 2024 DYN Stock option (right to buy) Common Stock (25,133) $31.53 May 21, 2034 25,133 Acquired
May 21, 2024 MGNX Stock Option (right to buy) Common Stock (16,500) $4.26 May 21, 2034 16,500 Acquired
May 21, 2024 MGNX Restricted Stock Unit Common Stock (6,500) — — 6,500 Acquired
May 20, 2024 MGNX Restricted Stock Unit Common Stock (4,500) — — 4,500 Disposed
May 31, 2023 MGNX Restricted Stock Unit Common Stock (4,500) — — 4,500 Acquired
May 31, 2023 MGNX Stock Option (right to buy) Common Stock (19,000) $4.67 May 31, 2033 19,000 Acquired
May 24, 2023 DYN Stock Option (right to buy) Common Stock (24,900) $13.49 May 23, 2033 24,900 Acquired
June 3, 2022 DYN Stock Option (right to buy) Common Stock (19,596) $4.58 June 2, 2032 19,596 Acquired
May 19, 2022 MGNX Stock Option (right to buy) Common Stock (18,000) $3.90 May 19, 2032 18,000 Acquired
May 26, 2021 DYN Stock Option (right to buy) Common Stock (19,596) $19.56 May 25, 2031 19,596 Acquired
May 13, 2021 MGNX Stock Option (right to buy) Common Stock (15,000) $28.88 May 13, 2031 15,000 Acquired
Sept. 21, 2020 DYN Series B Preferred Stock Common Stock (7,893) — — 26,176 Disposed
Sept. 21, 2020 DYN Series B Preferred Stock Common Stock (21,254) — — 70,492 Disposed
Sept. 21, 2020 DYN Series B Preferred Stock Common Stock (399,867) — — 1,326,313 Disposed
Sept. 21, 2020 DYN Series A Preferred Stock Common Stock (83,188) — — 275,932 Disposed
Sept. 21, 2020 DYN Series A Preferred Stock Common Stock (224,025) — — 743,076 Disposed
Sept. 21, 2020 DYN Series A Preferred Stock Common Stock (4,215,076) — — 13,980,992 Disposed
Aug. 7, 2020 DYN Series B Preferred Stock Common Stock (7,893) — — 26,176 Acquired
Aug. 7, 2020 DYN Series B Preferred Stock Common Stock (21,254) — — 70,492 Acquired
Aug. 7, 2020 DYN Series B Preferred Stock Common Stock (399,867) — — 1,326,313 Acquired
July 31, 2020 DYN Series A Preferred Stock Common Stock (29,116) — — 96,576 Acquired
July 31, 2020 DYN Series A Preferred Stock Common Stock (78,409) — — 260,077 Acquired
July 31, 2020 DYN Series A Preferred Stock Common Stock (1,475,277) — — 4,893,347 Acquired
May 14, 2020 MGNX Stock Option (right to buy) Common Stock (15,000) $24.97 May 14, 2030 15,000 Acquired
May 16, 2019 MGNX Stock Option (right to buy) Common Stock (10,000) $18.00 May 16, 2029 10,000 Acquired
May 17, 2018 MGNX Stock Option (right to buy) Common Stock (10,000) $21.34 May 17, 2028 10,000 Acquired
May 18, 2017 MGNX Stock Option (right to buy) Common Stock (10,000) $19.57 May 18, 2027 10,000 Acquired
May 18, 2016 MGNX Stock Option (right to buy) Common Stock (8,500) $21.06 May 18, 2026 8,500 Acquired
May 20, 2015 MGNX Stock Option (right to buy) Common Stock (8,500) $32.34 May 20, 2025 8,500 Acquired
June 5, 2014 MGNX Stock Option (right to buy) Common Stock (6,924) $20.15 June 5, 2024 6,924 Acquired
Jan. 30, 2014 TVRD Stock Option (Right to Buy) Common Stock (20,000) $11.00 Jan. 30, 2024 20,000 Acquired
Oct. 16, 2013 MGNX Series D-2 Convertible Preferred Warrants Common Stock (15,314) — Oct. 16, 2013 287,533 Disposed
Oct. 16, 2013 MGNX Series D-2 Convertible Preferred Stock Common Stock (204,206) — — 3,833,767 Disposed
Oct. 16, 2013 MGNX Series C Convertible Preferred Stock Common Stock (656,657) — — 12,328,024 Disposed
Oct. 16, 2013 MGNX Series B Convertible Preferred Stock Common Stock (1,137,332) — — 18,728,346 Disposed
Oct. 9, 2013 MGNX Stock Option (right to buy) Common Stock (13,849) $16.00 Oct. 9, 2023 13,849 Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date Ticker Security Shares Ownership
Sept. 16, 2020 DYN Series A Preferred Stock→ Common Stock (4,215,076) 4,215,076 Indirect
Sept. 16, 2020 DYN Series A Preferred Stock→ Common Stock (224,025) 224,025 Indirect
Sept. 16, 2020 DYN Series A Preferred Stock→ Common Stock (83,188) 83,188 Indirect
Sept. 16, 2020 DYN Series B Preferred Stock→ Common Stock (399,867) 399,867 Indirect
Sept. 16, 2020 DYN Series B Preferred Stock→ Common Stock (21,254) 21,254 Indirect
Sept. 16, 2020 DYN Series B Preferred Stock→ Common Stock (7,893) 7,893 Indirect
Oct. 9, 2013 MGNX Series B Convertible Preferred Stock→ Common Stock (18,728,346) 18,728,346 Indirect
Oct. 9, 2013 MGNX Series C Convertible Preferred Stock→ Common Stock (12,328,024) 12,328,024 Indirect
Oct. 9, 2013 MGNX Series D-2 Convertible Preferred Stock→ Common Stock (3,833,767) 3,833,767 Indirect
Oct. 9, 2013 MGNX Series D-2 Convertible Preferred Warrants→ Common Stock — Indirect