EcoR1 Capital Fund Qualified, L.P.
CIK 1598292 · View on SEC EDGAR ↗
Activist
First SEC filing: Jan. 20, 2026 · Latest: Jan. 20, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2018 | ATYR | S | 2,733,231 | $0.81 | $2,213,917 | 0 Direct | -100.00% | Disposed | -95.4% (price as of 2026-08-21) |
| May 15, 2018 | ATYR | S | 121,294 | $1.43 | $173,450 | 2,733,231 Direct | -4.25% | Disposed | -97.4% (price as of 2026-08-21) |
| May 14, 2018 | ATYR | S | 354,791 | $1.72 | $610,241 | 2,854,525 Direct | -11.06% | Disposed | -97.8% (price as of 2026-08-21) |
| April 17, 2018 | ASMB | P | 246 | $8.50 | $2,091 | 1,213 Direct | +25.44% | Acquired | -66.3% (price as of 2026-08-21) |
| April 13, 2018 | ASMB | P | 967 | $7.47 | $7,223 | 967 Direct | — | Acquired | -61.6% (price as of 2026-08-21) |
| Nov. 13, 2017 | ATYR | S | 1,083 | $3.95 | $4,278 | 3,209,316 Direct | -0.03% | Disposed | -99.1% (price as of 2026-08-21) |
| Nov. 10, 2017 | ATYR | S | 5,860 | $4.00 | $23,440 | 3,210,399 Direct | -0.18% | Disposed | -99.1% (price as of 2026-08-21) |
| Nov. 9, 2017 | ATYR | S | 5,819 | $4.15 | $24,149 | 3,216,259 Direct | -0.18% | Disposed | -99.1% (price as of 2026-08-21) |
| Nov. 8, 2017 | ATYR | S | 1,070 | $4.30 | $4,601 | 3,222,078 Direct | -0.03% | Disposed | -99.1% (price as of 2026-08-21) |
| Nov. 1, 2017 | ATYR | P | 24,728 | $4.80 | $118,694 | 3,223,148 Direct | +0.77% | Acquired | -99.2% (price as of 2026-08-21) |
| Oct. 1, 2017 | ATYR | P | 4,879 | $5.05 | $24,639 | 3,198,420 Direct | +0.15% | Acquired | -99.3% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| April 17, 2018 | ASMB | Call Options | Common Stock (24,600) | $60.00 | Nov. 16, 2018 | 246 | Acquired |
| April 13, 2018 | ASMB | Call Options | Common Stock (96,700) | $60.00 | Nov. 16, 2018 | 967 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.