John K Clarke

CIK 1219015 · View on SEC EDGAR ↗

Insider

First SEC filing: May 6, 2015 · Latest: May 6, 2015

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 43 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

43 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 21, 2021 ATYR S 2,500 $4.34 $10,850 108,083 Indirect -2.26% Disposed -88.1% (price as of 2026-08-20)
Sept. 2, 2020 ATYR S 7,260 $4.01 $29,113 110,583 Indirect -6.16% Disposed -87.1% (price as of 2026-08-20)
Aug. 28, 2020 ATYR S 100 $4.00 $400 117,843 Indirect -0.08% Disposed -87.0% (price as of 2026-08-20)
Aug. 27, 2020 ATYR S 5,440 $4.09 $22,250 117,943 Indirect -4.41% Disposed -87.3% (price as of 2026-08-20)
Aug. 26, 2020 ATYR S 2,200 $4.30 $9,460 123,383 Indirect -1.75% Disposed -87.9% (price as of 2026-08-20)
June 12, 2013 VSTM P 23,171 $9.60 $222,442 2,329,121 Indirect +1.00% Acquired -93.8% (price as of 2026-08-20)
June 11, 2013 VSTM P 25,000 $9.22 $230,500 2,305,950 Indirect +1.10% Acquired -93.6% (price as of 2026-08-20)
May 13, 2013 VSTM P 10b5-1 25,000 $9.74 $243,500 2,280,950 Indirect +1.11% Acquired -93.9% (price as of 2026-08-20)
May 1, 2013 VSTM P 10b5-1 10,000 $9.66 $96,600 2,255,950 Indirect +0.45% Acquired -93.9% (price as of 2026-08-20)
April 17, 2013 VSTM P 5,631 $9.50 $53,494 2,245,950 Indirect +0.25% Acquired -93.8% (price as of 2026-08-20)
Dec. 18, 2012 VSTM P 10b5-1 6,193 $7.87 $48,739 2,240,319 Indirect +0.28% Acquired -92.5% (price as of 2026-08-20)
Feb. 1, 2012 VSTM P 250,000 $10.00 $2,500,000 2,234,126 Indirect +12.60% Acquired -94.1% (price as of 2026-08-20)
May 27, 2004 ALNY P 232,500 — — 232,500 Indirect — Acquired (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
May 22, 2024 ATYR Stock Option (right to buy) Common Stock (24,000) $1.86 May 22, 2034 24,000 Acquired
May 17, 2023 ATYR Stock Option (right to buy) Common Stock (12,000) $2.52 May 17, 2033 12,000 Acquired
April 26, 2023 ATYR Restricted Stock Unit Common Stock (0) — — 6,000 Disposed
April 26, 2022 ATYR Restricted Stock Units Common Stock (6,000) — — 6,000 Acquired
April 28, 2021 ATYR Stock Option (right to buy) Common Stock (1,428) $4.21 April 28, 2031 1,428 Acquired
May 6, 2020 ATYR Stock Option (right to buy) Common Stock (1,428) $3.65 May 6, 2030 1,428 Acquired
May 8, 2019 ATYR Stock Option (right to buy) Common Stock (20,000) $0.58 May 8, 2029 20,000 Acquired
May 15, 2018 ATYR Stock Option (right to buy) Common Stock (20,000) $1.35 May 15, 2028 20,000 Acquired
May 9, 2017 ATYR Stock Option (right to buy) Common Stock (20,000) $3.15 May 9, 2027 20,000 Acquired
May 24, 2016 ATYR Stock Option (right to buy) Common Stock (18,000) $3.33 May 24, 2026 18,000 Acquired
Jan. 27, 2016 ATYR Stock Option (right to buy) Common Stock (19,428) $6.14 Jan. 27, 2026 19,428 Acquired
July 8, 2015 ATYR Stock Option (right to buy) Common Stock (6,286) $14.96 July 8, 2025 6,286 Acquired
June 1, 2015 ALNY Stock Option (right to buy) Common Stock (11,250) $131.21 June 1, 2025 11,250 Acquired
May 12, 2015 ATYR Series D Redeemable Convertible Preferred Stock Common Stock — — 1,536,787 Disposed
May 12, 2015 ATYR Series C Redeemable Convertible Preferred Stock Common Stock — — 2,127,660 Disposed
May 12, 2015 ATYR Series B-2 Redeemable Convertible Preferred Stock Common Stock — — 4,320,173 Disposed
May 12, 2015 ATYR Series B Redeemable Convertible Preferred Stock Common Stock — — 3,600,000 Disposed
May 12, 2015 ATYR Series A Redeemable Convertible Preferred Stock Common Stock — — 2,400,000 Disposed
May 12, 2015 ATYR Series E Redeemable Convertible Preferred Stock Common Stock — — 893,655 Disposed
June 5, 2014 ALNY Stock Option (right to buy) Common Stock (15,000) $59.25 June 4, 2024 15,000 Acquired
June 4, 2013 VSTM Stock Option (Right to Buy) Common Stock (12,500) $9.34 June 4, 2023 12,500 Acquired
June 21, 2012 ALNY Stock Option (Right to Buy) Common Stock (15,000) $11.33 June 21, 2022 15,000 Acquired
March 6, 2012 VSTM Stock Option (Right to Buy) Common Stock (12,500) $11.10 March 5, 2022 12,500 Acquired
Feb. 1, 2012 VSTM Series C Preferred Stock Common Stock — — 444,444 Disposed
Feb. 1, 2012 VSTM Series B Preferred Stock Common Stock — — 2,500,000 Disposed
Feb. 1, 2012 VSTM Series A Preferred Stock Common Stock — — 4,000,000 Disposed
June 9, 2011 ALNY Stock Option (right to buy) Common Stock (15,000) $9.30 June 9, 2021 15,000 Acquired
June 2, 2010 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $15.82 June 2, 2020 15,000 Acquired
June 11, 2009 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $22.09 June 11, 2019 15,000 Acquired
June 3, 2008 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $27.28 June 2, 2018 15,000 Acquired
June 1, 2007 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $15.91 June 1, 2017 15,000 Acquired
June 1, 2006 ALNY Stock Option (right to buy) Common Stock (10,000) $14.74 June 1, 2016 10,000 Acquired
June 8, 2005 ALNY Stock Option (right to buy) Common Stock (10,000) $7.08 June 8, 2015 10,000 Acquired
June 3, 2004 ALNY Series C Convertible Preferred Stock Common Stock (48,843) — — 92,803 Disposed
June 3, 2004 ALNY Series B Convertible Preferred Stock Common Stock (1,284,210) — — 2,440,000 Disposed
June 3, 2004 ALNY Series A Convertible Preferred Stock Common Stock (526,315) — — 1,000,000 Disposed

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

Initial ownership (Form 3) 13 holdings

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

Date Ticker Security Shares Ownership
May 6, 2015 ATYR Common Stock — Direct
May 6, 2015 ATYR Series E Redeemable Convertible Preferred Stock→ Common Stock (893,655) 893,655 Direct
May 6, 2015 ATYR Series A Redeemable Convertible Preferred Stock→ Common Stock (2,400,000) 2,400,000 Indirect
May 6, 2015 ATYR Series B Redeemable Convertible Preferred Stock→ Common Stock (3,600,000) 3,600,000 Indirect
May 6, 2015 ATYR Series B-2 Redeemable Convertible Preferred Stock→ Common Stock (4,320,173) 4,320,173 Indirect
May 6, 2015 ATYR Series C Redeemable Convertible Preferred Stock→ Common Stock (2,127,660) 2,127,660 Indirect
May 6, 2015 ATYR Series D Redeemable Convertible Preferred Stock→ Common Stock (1,536,787) 1,536,787 Indirect
Jan. 26, 2012 VSTM Series A Preferred Stock→ Common Stock — Indirect
Jan. 26, 2012 VSTM Series B Preferred Stock→ Common Stock — Indirect
Jan. 26, 2012 VSTM Series C Preferred Stock→ Common Stock — Indirect
May 27, 2004 ALNY Series A Convertible Preferred Stock→ Common Stock — Indirect
May 27, 2004 ALNY Series B Convertible Preferred Stock→ Common Stock — Indirect
May 27, 2004 ALNY Series C Convertible Preferred Stock→ Common Stock — Indirect