Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-1,096 + 29 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

29 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 4, 2026 ATYR S 1,118 $0.98 $1,096 33,124 Direct -3.26% Disposed -70.4% (price as of 2026-10-05)
Feb. 4, 2025 ATYR S 899 $3.78 $3,398 26,555 Direct -3.27% Disposed -92.3% (price as of 2026-10-05)
June 5, 2024 ATYR P 5,000 $1.86 $9,300 22,267 Direct +28.96% Acquired -84.4% (price as of 2026-10-05)
May 20, 2020 ATYR S 10b5-1 322 $3.62 $1,166 2,735 Direct -10.53% Disposed -92.0% (price as of 2026-10-05)
May 17, 2019 ATYR S 10b5-1 4,651 $0.45 $2,093 25,348 Direct -15.50% Disposed -95.4% (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 3, 2026 ATYR Restricted Stock Unit Common Stock (2,687) · · 2,687 Disposed
Jan. 9, 2026 ATYR Employee Stock Options (right to buy) Common Stock (412,500) $0.71 Jan. 9, 2036 412,500 Acquired
Feb. 3, 2025 ATYR Restricted Stock Unit Common Stock (2,687) · · 2,687 Disposed
Jan. 8, 2025 ATYR Employee Stock Option (right to buy) Common Stock (275,000) $3.74 Jan. 8, 2035 275,000 Acquired
Feb. 5, 2024 ATYR Restricted Stock Unit Common Stock (2,688) · · 2,688 Disposed
Jan. 5, 2024 ATYR Employee Stock Option (right to buy) Common Stock (150,000) $1.50 Jan. 5, 2034 150,000 Acquired
Feb. 16, 2023 ATYR Employee Stock Option (right to buy) Common Stock (84,023) $2.19 Feb. 16, 2033 84,023 Acquired
Feb. 3, 2023 ATYR Restricted Stock Unit Common Stock (2,688) · · 2,688 Disposed
May 24, 2022 ATYR Employee Stock Option (right to buy) Common Stock (88,097) $2.81 May 24, 2032 88,097 Acquired
Feb. 3, 2022 ATYR Restricted Stock Units Common Stock (10,750) · · 10,750 Acquired
Feb. 3, 2022 ATYR Employee Stock Option (right to buy) Common Stock (21,500) $5.52 Feb. 3, 2032 21,500 Acquired
May 21, 2021 ATYR Employee Stock Option (Right to buy) Common Stock (59,000) $4.45 May 21, 2025 59,000 Acquired
Feb. 4, 2021 ATYR Employee Stock Option (right to buy) Common Stock (45,000) $4.52 Feb. 4, 2031 45,000 Acquired
May 26, 2020 ATYR Employee Stock Option (right to buy) Common Stock (30,000) $4.06 May 26, 2030 30,000 Acquired
May 16, 2020 ATYR Restricted Stock Unit Common Stock (892) · · 892 Disposed
Feb. 5, 2020 ATYR Employee Stock Option (right to buy) Common Stock (13,778) $4.39 Feb. 5, 2030 13,778 Acquired
May 16, 2019 ATYR Restricted Stock Units Common Stock (12,500) $0.00 · 12,500 Disposed
Feb. 6, 2019 ATYR Employee Stock Option (right to buy) Common Stock (125,000) $0.52 Feb. 6, 2029 125,000 Acquired
Jan. 27, 2016 ATYR Employee Stock Option (right to buy) Common Stock (20,000) $6.14 Jan. 27, 2026 20,000 Acquired
Jan. 4, 2016 ATYR Employee Stock Option (right to buy) Common Stock (10,831) $9.13 · 10,831 Acquired
Oct. 1, 2015 ATYR Employee Stock Option (right to buy) Common Stock (4,739) $10.24 · 4,739 Acquired
Oct. 1, 2015 ATYR Employee Stock Option (right to buy) Common Stock (17,000) $10.24 Oct. 1, 2025 17,000 Acquired
May 6, 2015 ATYR Stock Option (right to buy) Common Stock (8,800) $14.00 May 6, 2025 8,800 Acquired

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

Initial ownership (Form 3) 13 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 8, 2019 ATYR Common Stock 14,999 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (35,608) 35,608 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (6,286) 6,286 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (8,800) 8,800 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (17,000) 17,000 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (20,000) 20,000 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (36,500) 36,500 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (35,000) 35,000 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct
Feb. 8, 2019 ATYR Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct
Feb. 8, 2019 ATYR Restricted Stock Units→ Common Stock (25,000) 25,000 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (35,608) 35,608 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (6,286) 6,286 Direct