Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 5 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 27, 2016 ATYR A 4,250 · · 4,250 Direct · Acquired (price as of 2026-10-02)
Jan. 4, 2016 ATYR A 5,754 · · 5,754 Direct · Acquired (price as of 2026-10-02)
Oct. 1, 2015 ATYR A 2,518 · · 2,518 Direct · Acquired (price as of 2026-10-02)
Oct. 1, 2015 ATYR A 9,500 · · 9,500 Direct · Acquired (price as of 2026-10-02)
May 6, 2015 ATYR A 4,085 · · 4,085 Direct · Acquired (price as of 2026-10-02)

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
Jan. 27, 2016 ATYR Stock Option (right to buy) Common Stock (4,250) $6.14 Jan. 27, 2026 4,250 Acquired
Jan. 4, 2016 ATYR Employee Stock Option (right to buy) Common Stock (5,754) $9.13 · 5,754 Acquired
Oct. 1, 2015 ATYR Employee Stock Option (right to buy) Common Stock (2,518) $10.24 · 2,518 Acquired
Oct. 1, 2015 ATYR Employee Stock Option (right to buy) Common Stock (9,500) $10.24 Oct. 1, 2025 9,500 Acquired
May 6, 2015 ATYR Stock Option (right to buy) Common Stock (4,085) $14.00 May 6, 2025 4,085 Acquired

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

Initial ownership (Form 3) 17 holdings

07

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

DateTickerSecuritySharesOwnership
May 2, 2018 ATYR Common Stock 11,954 Indirect
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (129) 129 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (878) 878 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (2,514) 2,514 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (1,760) 1,760 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (3,143) 3,143 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (4,085) 4,085 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (9,500) 9,500 Direct
May 2, 2018 ATYR Stock Option (right to buy)→ Common Stock (4,250) 4,250 Direct
May 11, 2017 ATYR Common Stock · Indirect
May 6, 2015 ATYR Common Stock 2,149 Direct
May 6, 2015 ATYR Common Stock 93,901 Indirect
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (129) 129 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (878) 878 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (2,514) 2,514 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (1,760) 1,760 Direct
May 6, 2015 ATYR Stock Option (right to buy)→ Common Stock (3,143) 3,143 Direct