Katherine Strei
CIK 1709639 · View on SEC EDGAR ↗
First SEC filing: July 21, 2017 · Latest: July 21, 2017
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Insider transactions
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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 28, 2023 | EBS | F | 690 | $12.38 | $8,542 | 62,824 Direct | -1.09% | Disposed | -60.2% (price as of 2026-08-21) |
| Feb. 24, 2023 | EBS | F | 654 | $13.71 | $8,966 | 63,514 Direct | -1.02% | Disposed | -64.0% (price as of 2026-08-21) |
| Feb. 23, 2023 | EBS | F | 352 | $14.30 | $5,034 | 64,168 Direct | -0.55% | Disposed | -65.5% (price as of 2026-08-21) |
| Feb. 8, 2023 | EBS | A | 61 | — | — | 65,958 Direct | +0.09% | Acquired | (price as of 2026-08-21) |
| Feb. 8, 2023 | EBS | F | 1,438 | $13.25 | $19,054 | 64,520 Direct | -2.18% | Disposed | -62.8% (price as of 2026-08-21) |
| March 1, 2022 | EBS | A | 24,167 | — | — | 54,375 Direct | +80.00% | Acquired | (price as of 2026-08-21) |
| March 1, 2022 | EBS | A | 12,083 | — | — | 66,458 Direct | +22.22% | Acquired | (price as of 2026-08-21) |
| March 1, 2022 | EBS | A | 24,164 | $41.38 | $999,906 | 24,164 Direct | — | Acquired | -88.1% (price as of 2026-08-21) |
| Feb. 28, 2022 | EBS | F | 561 | $39.64 | $22,238 | 65,897 Direct | -0.84% | Disposed | -87.6% (price as of 2026-08-21) |
| Feb. 24, 2022 | EBS | F | 590 | $42.47 | $25,057 | 30,208 Direct | -1.92% | Disposed | -88.4% (price as of 2026-08-21) |
| Feb. 23, 2022 | EBS | F | 344 | $42.23 | $14,527 | 30,798 Direct | -1.10% | Disposed | -88.3% (price as of 2026-08-21) |
| Feb. 22, 2022 | EBS | A | 1,258 | — | — | 32,758 Direct | +3.99% | Acquired | (price as of 2026-08-21) |
| Feb. 22, 2022 | EBS | F | 1,616 | $42.23 | $68,244 | 31,142 Direct | -4.93% | Disposed | -88.3% (price as of 2026-08-21) |
| Feb. 26, 2021 | EBS | F | 649 | $97.15 | $63,050 | 32,061 Direct | -1.98% | Disposed | -94.9% (price as of 2026-08-21) |
| Feb. 26, 2021 | EBS | F | 561 | $97.15 | $54,501 | 31,500 Direct | -1.75% | Disposed | -94.9% (price as of 2026-08-21) |
| Feb. 24, 2021 | EBS | A | 2,674 | — | — | 30,655 Direct | +9.56% | Acquired | (price as of 2026-08-21) |
| Feb. 24, 2021 | EBS | A | 2,674 | — | — | 33,329 Direct | +8.72% | Acquired | (price as of 2026-08-21) |
| Feb. 24, 2021 | EBS | F | 619 | $93.49 | $57,870 | 32,710 Direct | -1.86% | Disposed | -94.7% (price as of 2026-08-21) |
| Feb. 24, 2021 | EBS | A | 10,696 | $93.49 | $999,969 | 10,696 Direct | — | Acquired | -94.7% (price as of 2026-08-21) |
| Feb. 9, 2021 | EBS | A | 2,014 | — | — | 30,023 Direct | +7.19% | Acquired | (price as of 2026-08-21) |
| Feb. 9, 2021 | EBS | F | 2,042 | $123.45 | $252,085 | 27,981 Direct | -6.80% | Disposed | -96.0% (price as of 2026-08-21) |
| May 8, 2020 | EBS | F | 237 | $79.25 | $18,782 | 28,009 Direct | -0.84% | Disposed | -93.8% (price as of 2026-08-21) |
| Feb. 27, 2020 | EBS | F | 387 | $58.42 | $22,609 | 28,246 Direct | -1.35% | Disposed | -91.6% (price as of 2026-08-21) |
| Feb. 26, 2020 | EBS | F | 498 | $59.91 | $29,835 | 29,014 Direct | -1.69% | Disposed | -91.8% (price as of 2026-08-21) |
| Feb. 26, 2020 | EBS | F | 381 | $59.91 | $22,826 | 28,633 Direct | -1.31% | Disposed | -91.8% (price as of 2026-08-21) |
| Feb. 25, 2020 | EBS | A | 3,662 | — | — | 25,850 Direct | +16.50% | Acquired | (price as of 2026-08-21) |
| Feb. 25, 2020 | EBS | A | 3,662 | — | — | 29,512 Direct | +14.17% | Acquired | (price as of 2026-08-21) |
| Feb. 25, 2020 | EBS | A | 14,648 | $61.44 | $899,973 | 43,225 Direct | +51.26% | Acquired | -92.0% (price as of 2026-08-21) |
| May 8, 2018 | EBS | F | 237 | $48.33 | $11,454 | 16,834 Direct | -1.39% | Disposed | -89.8% (price as of 2026-08-21) |
| Feb. 28, 2018 | EBS | F | 540 | $49.97 | $26,984 | 17,071 Direct | -3.07% | Disposed | -90.1% (price as of 2026-08-21) |
| Feb. 27, 2018 | EBS | A | 16,116 | $49.64 | $799,998 | 16,116 Direct | — | Acquired | -90.1% (price as of 2026-08-21) |
| Feb. 27, 2018 | EBS | F | 387 | $49.64 | $19,211 | 17,611 Direct | -2.15% | Disposed | -90.1% (price as of 2026-08-21) |
| Feb. 27, 2018 | EBS | A | 4,029 | — | — | 17,998 Direct | +28.84% | Acquired | (price as of 2026-08-21) |
| Feb. 27, 2018 | EBS | A | 4,029 | — | — | 13,969 Direct | +40.53% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| March 1, 2022 | EBS | Employee Stock Options (Right to Buy) | Common Stock (24,164) | $41.38 | Feb. 28, 2029 | 24,164 | Acquired |
| Feb. 24, 2021 | EBS | Employee Stock Options (Right to Buy) | Common Stock (10,696) | $93.49 | Feb. 23, 2028 | 10,696 | Acquired |
| Feb. 25, 2020 | EBS | Employee Stock Options (Right to Buy) | Common Stock (14,648) | $61.44 | Feb. 24, 2027 | 14,648 | Acquired |
| Feb. 27, 2018 | EBS | Employee Stock Option (right to buy) | Common Stock (16,116) | $49.64 | Feb. 26, 2025 | 16,116 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.