Ezio Bonvini

CIK 1588365 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 9, 2013 · Latest: Feb. 12, 2018

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 82 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

82 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 7, 2024 MGNX S 10b5-1 3,334 $18.00 $60,012 71,334 Direct -4.47% Disposed -76.8% (price as of 2026-08-21)
Feb. 1, 2024 MGNX S 10b5-1 13,316 $15.00 $199,740 74,668 Direct -15.13% Disposed -72.2% (price as of 2026-08-21)
Jan. 19, 2024 MGNX S 10b5-1 13,316 $12.00 $159,792 87,984 Direct -13.15% Disposed -65.2% (price as of 2026-08-21)
Dec. 20, 2023 MGNX S 10b5-1 18,880 $10.08 $190,310 101,300 Direct -15.71% Disposed -58.6% (price as of 2026-08-21)
March 22, 2021 MGNX S 10b5-1 3,917 $32.00 $125,344 79,890 Direct -4.67% Disposed -87.0% (price as of 2026-08-21)
Sept. 18, 2020 MGNX S 10b5-1 18,339 $32.00 $586,848 83,807 Direct -17.95% Disposed -87.0% (price as of 2026-08-21)
Sept. 17, 2020 MGNX S 10b5-1 44,512 $29.88 $1,330,019 102,146 Direct -30.35% Disposed -86.0% (price as of 2026-08-21)
Nov. 16, 2015 MGNX S 10b5-1 3,117 $31.44 $97,998 70,317 Direct -4.24% Disposed -86.7% (price as of 2026-08-21)
Oct. 15, 2015 MGNX S 10b5-1 6,233 $25.21 $157,134 73,434 Direct -7.82% Disposed -83.4% (price as of 2026-08-21)
July 10, 2015 MGNX S 10b5-1 2,400 $38.09 $91,416 36,790 Direct -6.12% Disposed -89.0% (price as of 2026-08-21)
June 30, 2015 MGNX S 10b5-1 6,497 $38.07 $247,341 36,790 Direct -15.01% Disposed -89.0% (price as of 2026-08-21)
June 24, 2015 MGNX S 10b5-1 6,097 $38.08 $232,174 36,790 Direct -14.22% Disposed -89.0% (price as of 2026-08-21)
June 24, 2015 MGNX S 10b5-1 6,097 $38.08 $232,174 17,639 Direct -25.69% Disposed -89.0% (price as of 2026-08-21)
June 23, 2015 MGNX S 10b5-1 13,054 $38.14 $497,880 36,790 Direct -26.19% Disposed -89.1% (price as of 2026-08-21)
June 23, 2015 MGNX S 10b5-1 13,054 $38.14 $497,880 23,736 Direct -35.48% Disposed -89.1% (price as of 2026-08-21)
June 15, 2015 MGNX S 10b5-1 6,233 $34.01 $211,984 36,790 Direct -14.49% Disposed -87.7% (price as of 2026-08-21)
May 15, 2015 MGNX S 10b5-1 6,233 $30.24 $188,486 36,790 Direct -14.49% Disposed -86.2% (price as of 2026-08-21)
April 15, 2015 MGNX S 10b5-1 6,233 $33.98 $211,797 36,790 Direct -14.49% Disposed -87.7% (price as of 2026-08-21)

Showing latest 100 of 110 transactions

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
Aug. 17, 2026 MGNX Employee Stock Option (right to buy) Common Stock (40,000) $2.60 Feb. 7, 2035 40,000 Disposed
Feb. 15, 2025 MGNX Restricted Stock Unit Common Stock (16,665) — — 16,665 Disposed
Feb. 8, 2025 MGNX Restricted Stock Unit Common Stock (11,168) — — 11,168 Disposed
Feb. 7, 2025 MGNX Restricted Stock Unit Common Stock (21,000) — — 21,000 Acquired
Feb. 7, 2025 MGNX Employee Stock Option (right to buy) Common Stock (128,000) $2.60 Feb. 7, 2035 128,000 Acquired
Feb. 22, 2024 MGNX Restricted Stock Unit Common Stock (28,125) — — 28,125 Disposed
Feb. 15, 2024 MGNX Restricted Stock Unit Common Stock (16,670) — — 16,670 Disposed
Feb. 8, 2024 MGNX Restricted Stock Unit Common Stock (33,500) — — 33,500 Acquired
Feb. 8, 2024 MGNX Employee Stock Option (right to buy) Common Stock (90,000) $18.30 Feb. 8, 2034 90,000 Acquired
Feb. 22, 2023 MGNX Restricted Stock Unit Common Stock (9,375) — — 9,375 Disposed
Feb. 15, 2023 MGNX Restricted Stock Unit Common Stock (50,000) — — 50,000 Acquired
Feb. 15, 2023 MGNX Employee stock option (right to buy) Common Stock (200,000) $4.82 Feb. 15, 2033 200,000 Acquired
May 14, 2022 MGNX Restricted Stock Unit Common Stock (5,000) — — 5,000 Disposed
Feb. 22, 2022 MGNX Restricted Stock Unit Common Stock (37,500) — — 37,500 Acquired
Feb. 22, 2022 MGNX Employee stock option (right to buy) Common Stock (75,000) $10.15 Feb. 22, 2032 75,000 Acquired
Nov. 16, 2021 MGNX Employee stock option (right to buy) Common Stock (2,540) $16.00 Oct. 9, 2023 2,540 Disposed
June 24, 2021 MGNX Employee stock option (right to buy) Common Stock (21,855) $16.00 Oct. 9, 2023 21,855 Disposed
June 24, 2021 MGNX Employee stock option (right to buy) Common Stock (4,221) $20.53 Feb. 15, 2027 4,221 Disposed
May 14, 2021 MGNX Restricted Stock Unit Common Stock (5,000) — — 5,000 Disposed
Feb. 22, 2021 MGNX Employee stock option (right to buy) Common Stock (120,000) $19.18 Feb. 22, 2031 120,000 Acquired
May 14, 2020 MGNX Restricted Stock Unit Common Stock (10,000) — — 10,000 Acquired
Feb. 20, 2020 MGNX Employee stock option (right to buy) Common Stock (100,000) $11.50 Feb. 20, 2030 100,000 Acquired
Feb. 21, 2019 MGNX Employee stock option (right to buy) Common Stock (90,000) $21.88 Feb. 21, 2029 90,000 Acquired
March 2, 2018 MGNX Employee stock option (right to buy) Common Stock (70,000) $28.94 March 2, 2028 70,000 Acquired
July 26, 2017 MGNX Employee stock option (right to buy) Common Stock (26,632) $0.94 March 13, 2022 26,632 Disposed
July 26, 2017 MGNX Employee stock option (right to buy) Common Stock (26,632) $1.51 Jan. 5, 2023 26,632 Disposed
Feb. 15, 2017 MGNX Common Stock Common Stock (67,500) $20.53 Feb. 15, 2027 67,500 Acquired
Jan. 7, 2016 MGNX Employee Stock Option (right to buy) Common Stock (8,895) $0.94 Jan. 10, 2019 8,895 Disposed
Jan. 7, 2016 MGNX Employee Stock Option (right to buy) Common Stock (4,421) $0.94 Jan. 9, 2019 4,421 Disposed
Dec. 18, 2015 MGNX Employee Stock Option (right to buy) Common Stock (55,000) $31.43 Dec. 18, 2025 55,000 Acquired
Oct. 13, 2015 MGNX Employee Stock Option (right to buy) Common Stock (14,521) $0.71 March 23, 2016 14,521 Disposed
Oct. 2, 2015 MGNX Employee Stock Option Common Stock (11,984) $0.94 Jan. 5, 2018 11,984 Disposed
Oct. 2, 2015 MGNX Employee Stock Option (right to buy) Common Stock (5,893) $0.94 Jan. 6, 2017 5,893 Disposed
Sept. 18, 2015 MGNX Employee Stock Option (right to buy) Common Stock (7,000) $0.94 Jan. 6, 2017 7,000 Disposed
Sept. 16, 2015 MGNX Employee Stock Option (right to buy) Common Stock (4,000) $0.94 Jan. 6, 2017 4,000 Disposed
Aug. 27, 2015 MGNX Employee Stock Option (right to buy) Common Stock (5,000) $0.94 Jan. 6, 2017 5,000 Disposed
Aug. 26, 2015 MGNX Employee Stock Option (right to buy) Common Stock (5,000) $0.94 Jan. 6, 2017 5,000 Disposed
Aug. 10, 2015 MGNX Employee Stock Option (right to buy) Common Stock (4,000) $0.95 Jan. 6, 2017 4,000 Acquired
July 10, 2015 MGNX Employee Stock Option (right to buy) Common Stock (2,400) $0.71 March 23, 2016 2,400 Acquired
June 30, 2015 MGNX Employee Stock Option (right to buy) Common Stock (6,497) $0.71 March 23, 2016 6,497 Acquired
June 24, 2015 MGNX Employee Stock Option (right to buy) Common Stock (6,097) $0.71 March 23, 2016 6,097 Disposed
June 23, 2015 MGNX Employee Stock Option (right to buy) Common Stock (13,054) $0.71 March 23, 2016 13,054 Disposed
June 15, 2015 MGNX Employee Stock Option (right to buy) Common Stock (6,233) $0.71 March 23, 2016 6,233 Acquired
May 15, 2015 MGNX Employee Stock Option (right to buy) Common Stock (6,233) $0.71 March 23, 2016 6,233 Acquired
April 15, 2015 MGNX Employee Stock Option (right to buy) Common Stock (6,233) $0.71 March 23, 2016 6,233 Disposed
Dec. 12, 2014 MGNX Employee stock option (right to buy) Common Stock (50,000) $29.68 Dec. 12, 2024 50,000 Acquired
Nov. 14, 2014 MGNX Stock Option (right to buy) Common Stock (3,900) $0.71 March 23, 2016 3,900 Acquired
Oct. 10, 2014 MGNX Stock Option (right to buy) Common Stock (400) $0.71 March 23, 2016 400 Disposed
Oct. 9, 2014 MGNX Stock Option (right to buy) Common Stock (2,663) $0.71 Dec. 14, 2015 2,663 Disposed
Oct. 8, 2014 MGNX Stock Option (right to buy) Common Stock (1,597) $0.94 Jan. 13, 2015 1,597 Disposed
Oct. 9, 2013 MGNX Stock Option (right to buy) Common Stock (24,395) $16.00 Oct. 9, 2023 24,395 Acquired

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

Initial ownership (Form 3) 12 holdings

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

Date Ticker Security Shares Ownership
Oct. 9, 2013 MGNX Common Stock 28,230 Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct
Oct. 9, 2013 MGNX Stock Option (right to buy)→ Common Stock — Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MGNX

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $533,200 $150,000 $54,600 $288,038 $184,200 — $14,000 $1,224,038
2021 $462,328 — — $1,677,588 $141,180 — $8,700 $2,289,796
2020 $465,699 — $249,700 $712,370 $183,960 — $8,550 $1,620,279

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.