Christopher R. Loose
CIK 1785299 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 2, 2019 · Latest: Jan. 28, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 31 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
31 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 28, 2023 | KRRO | S 10b5-1 | 1,344 | $0.46 | $618 | 183,650 Direct | -0.73% | Disposed | -41.3% (price as of 2026-08-20) |
| July 27, 2023 | KRRO | S 10b5-1 | 1,373 | $0.53 | $728 | 184,994 Direct | -0.74% | Disposed | -49.0% (price as of 2026-08-20) |
| July 26, 2023 | KRRO | S 10b5-1 | 1,329 | $0.51 | $678 | 186,367 Direct | -0.71% | Disposed | -47.0% (price as of 2026-08-20) |
| July 25, 2023 | KRRO | S 10b5-1 | 1,390 | $0.50 | $695 | 187,696 Direct | -0.74% | Disposed | -46.0% (price as of 2026-08-20) |
| July 24, 2023 | KRRO | S 10b5-1 | 1,438 | $0.54 | $777 | 189,086 Direct | -0.75% | Disposed | -50.0% (price as of 2026-08-20) |
| July 21, 2023 | KRRO | S 10b5-1 | 1,333 | $0.61 | $813 | 190,524 Direct | -0.69% | Disposed | -55.7% (price as of 2026-08-20) |
| July 20, 2023 | KRRO | S 10b5-1 | 1,361 | $0.64 | $871 | 191,857 Direct | -0.70% | Disposed | -57.8% (price as of 2026-08-20) |
| July 19, 2023 | KRRO | S 10b5-1 | 1,335 | $0.65 | $868 | 193,218 Direct | -0.69% | Disposed | -58.4% (price as of 2026-08-20) |
| July 18, 2023 | KRRO | S 10b5-1 | 1,484 | $0.56 | $831 | 194,553 Direct | -0.76% | Disposed | -51.8% (price as of 2026-08-20) |
| July 17, 2023 | KRRO | S 10b5-1 | 1,415 | $0.67 | $948 | 196,037 Direct | -0.72% | Disposed | -59.7% (price as of 2026-08-20) |
| July 14, 2023 | KRRO | S 10b5-1 | 906 | $0.59 | $535 | 197,452 Direct | -0.46% | Disposed | -54.2% (price as of 2026-08-20) |
| July 13, 2023 | KRRO | S 10b5-1 | 1,329 | $0.39 | $518 | 198,358 Direct | -0.67% | Disposed | -30.7% (price as of 2026-08-20) |
| July 12, 2023 | KRRO | S 10b5-1 | 1,335 | $0.39 | $521 | 199,687 Direct | -0.66% | Disposed | -30.7% (price as of 2026-08-20) |
| July 11, 2023 | KRRO | S 10b5-1 | 1,363 | $0.37 | $504 | 201,022 Direct | -0.67% | Disposed | -27.0% (price as of 2026-08-20) |
| July 10, 2023 | KRRO | S 10b5-1 | 1,304 | $0.37 | $482 | 202,385 Direct | -0.64% | Disposed | -27.0% (price as of 2026-08-20) |
| July 10, 2023 | KRRO | S 10b5-1 | 1,304 | $0.37 | $482 | 66,023 Direct | -1.94% | Disposed | -27.0% (price as of 2026-08-20) |
| July 7, 2023 | KRRO | S 10b5-1 | 1,306 | $0.36 | $470 | 203,689 Direct | -0.64% | Disposed | -24.9% (price as of 2026-08-20) |
| July 7, 2023 | KRRO | S 10b5-1 | 1,306 | $0.36 | $470 | 62,781 Direct | -2.04% | Disposed | -24.9% (price as of 2026-08-20) |
| July 6, 2023 | KRRO | S 10b5-1 | 1,384 | $0.34 | $471 | 198,666 Direct | -0.69% | Disposed | -20.5% (price as of 2026-08-20) |
| July 6, 2023 | KRRO | S 10b5-1 | 1,384 | $0.34 | $471 | 57,758 Direct | -2.34% | Disposed | -20.5% (price as of 2026-08-20) |
| July 6, 2022 | KRRO | S | 4,415 | $1.53 | $6,755 | 50,050 Direct | -8.11% | Disposed | -82.3% (price as of 2026-08-20) |
| Feb. 22, 2022 | KRRO | S | 1,069 | $3.53 | $3,774 | 34,827 Direct | -2.98% | Disposed | -92.3% (price as of 2026-08-20) |
| Feb. 18, 2022 | KRRO | S | 974 | $3.87 | $3,769 | 35,896 Direct | -2.64% | Disposed | -93.0% (price as of 2026-08-20) |
| Feb. 17, 2022 | KRRO | S | 900 | $4.19 | $3,771 | 36,870 Direct | -2.38% | Disposed | -93.6% (price as of 2026-08-20) |
| Feb. 16, 2022 | KRRO | S | 851 | $4.43 | $3,770 | 37,770 Direct | -2.20% | Disposed | -93.9% (price as of 2026-08-20) |
| Feb. 15, 2022 | KRRO | S | 863 | $4.33 | $3,737 | 38,621 Direct | -2.19% | Disposed | -93.8% (price as of 2026-08-20) |
| Feb. 3, 2021 | KRRO | S 10b5-1 | 2,000 | $47.19 | $94,380 | 21,782 Direct | -8.41% | Disposed | -99.4% (price as of 2026-08-20) |
| Feb. 2, 2021 | KRRO | S 10b5-1 | 8,000 | $45.02 | $360,160 | 23,782 Direct | -25.17% | Disposed | -99.4% (price as of 2026-08-20) |
| Jan. 27, 2021 | KRRO | S 10b5-1 | 8,000 | $42.50 | $340,000 | 31,782 Direct | -20.11% | Disposed | -99.4% (price as of 2026-08-20) |
| Dec. 17, 2020 | KRRO | S 10b5-1 | 6,000 | $40.00 | $240,000 | 41,782 Direct | -12.56% | Disposed | -99.3% (price as of 2026-08-20) |
| Dec. 17, 2020 | KRRO | S 10b5-1 | 2,000 | $42.50 | $85,000 | 39,782 Direct | -4.79% | Disposed | -99.4% (price as of 2026-08-20) |
| Dec. 16, 2020 | KRRO | S 10b5-1 | 4,000 | $40.00 | $160,000 | 47,782 Direct | -7.72% | Disposed | -99.3% (price as of 2026-08-20) |
| Dec. 16, 2020 | KRRO | S 10b5-1 | 4,000 | $37.87 | $151,480 | 51,782 Direct | -7.17% | Disposed | -99.3% (price as of 2026-08-20) |
| Dec. 15, 2020 | KRRO | S 10b5-1 | 8,000 | $37.28 | $298,240 | 55,782 Direct | -12.54% | Disposed | -99.3% (price as of 2026-08-20) |
| Dec. 14, 2020 | KRRO | S 10b5-1 | 8,000 | $35.00 | $280,000 | 63,782 Direct | -11.14% | Disposed | -99.2% (price as of 2026-08-20) |
| Nov. 9, 2020 | KRRO | S 10b5-1 | 8,000 | $24.00 | $192,000 | 71,782 Direct | -10.03% | Disposed | -98.9% (price as of 2026-08-20) |
| Nov. 5, 2020 | KRRO | S 10b5-1 | 8,000 | $23.00 | $184,000 | 79,782 Direct | -9.11% | Disposed | -98.8% (price as of 2026-08-20) |
| Oct. 13, 2020 | KRRO | S 10b5-1 | 8,000 | $22.00 | $176,000 | 87,782 Direct | -8.35% | Disposed | -98.8% (price as of 2026-08-20) |
| Oct. 8, 2020 | KRRO | S 10b5-1 | 8,000 | $21.12 | $168,960 | 95,782 Direct | -7.71% | Disposed | -98.7% (price as of 2026-08-20) |
| Oct. 7, 2020 | KRRO | S 10b5-1 | 8,000 | $20.00 | $160,000 | 103,782 Direct | -7.16% | Disposed | -98.6% (price as of 2026-08-20) |
| Oct. 6, 2020 | KRRO | S 10b5-1 | 8,000 | $19.46 | $155,680 | 111,782 Direct | -6.68% | Disposed | -98.6% (price as of 2026-08-20) |
| Oct. 5, 2020 | KRRO | S 10b5-1 | 8,000 | $18.35 | $146,800 | 119,782 Direct | -6.26% | Disposed | -98.5% (price as of 2026-08-20) |
| Oct. 2, 2020 | KRRO | S 10b5-1 | 8,000 | $18.92 | $151,360 | 127,782 Direct | -5.89% | Disposed | -98.6% (price as of 2026-08-20) |
| Oct. 1, 2020 | KRRO | S 10b5-1 | 8,000 | $18.84 | $150,720 | 135,782 Direct | -5.56% | Disposed | -98.6% (price as of 2026-08-20) |
| Sept. 23, 2020 | KRRO | S 10b5-1 | 24 | $22.43 | $538 | 143,782 Direct | -0.02% | Disposed | -98.8% (price as of 2026-08-20) |
| Sept. 23, 2020 | KRRO | S 10b5-1 | 2,606 | $21.57 | $56,211 | 143,806 Direct | -1.78% | Disposed | -98.7% (price as of 2026-08-20) |
| Sept. 23, 2020 | KRRO | S 10b5-1 | 1,870 | $20.51 | $38,354 | 146,412 Direct | -1.26% | Disposed | -98.7% (price as of 2026-08-20) |
| Sept. 9, 2020 | KRRO | S 10b5-1 | 776 | $19.26 | $14,946 | 148,282 Direct | -0.52% | Disposed | -98.6% (price as of 2026-08-20) |
| Sept. 9, 2020 | KRRO | S 10b5-1 | 3,724 | $18.91 | $70,421 | 149,058 Direct | -2.44% | Disposed | -98.6% (price as of 2026-08-20) |
| Aug. 19, 2020 | KRRO | S 10b5-1 | 4,500 | $22.97 | $103,365 | 152,782 Direct | -2.86% | Disposed | -98.8% (price as of 2026-08-20) |
| Aug. 5, 2020 | KRRO | S 10b5-1 | 58 | $21.91 | $1,271 | 157,282 Direct | -0.04% | Disposed | -98.8% (price as of 2026-08-20) |
| Aug. 5, 2020 | KRRO | S 10b5-1 | 4,442 | $21.21 | $94,215 | 157,340 Direct | -2.75% | Disposed | -98.7% (price as of 2026-08-20) |
| July 22, 2020 | KRRO | S 10b5-1 | 4,500 | $21.51 | $96,795 | 161,782 Direct | -2.71% | Disposed | -98.7% (price as of 2026-08-20) |
| July 8, 2020 | KRRO | S 10b5-1 | 779 | $22.97 | $17,894 | 166,282 Direct | -0.47% | Disposed | -98.8% (price as of 2026-08-20) |
| July 8, 2020 | KRRO | S 10b5-1 | 3,721 | $22.18 | $82,532 | 167,061 Direct | -2.18% | Disposed | -98.8% (price as of 2026-08-20) |
| June 24, 2020 | KRRO | S 10b5-1 | 4,500 | $22.80 | $102,600 | 170,782 Direct | -2.57% | Disposed | -98.8% (price as of 2026-08-20) |
| June 10, 2020 | KRRO | S 10b5-1 | 4,500 | $19.96 | $89,820 | 175,282 Direct | -2.50% | Disposed | -98.6% (price as of 2026-08-20) |
| May 20, 2020 | KRRO | S 10b5-1 | 2,668 | $18.82 | $50,212 | 189,114 Direct | -1.39% | Disposed | -98.6% (price as of 2026-08-20) |
| May 20, 2020 | KRRO | S 10b5-1 | 1,832 | $19.33 | $35,413 | 187,282 Direct | -0.97% | Disposed | -98.6% (price as of 2026-08-20) |
| May 6, 2020 | KRRO | S 10b5-1 | 554 | $16.68 | $9,241 | 191,782 Direct | -0.29% | Disposed | -98.4% (price as of 2026-08-20) |
| May 6, 2020 | KRRO | S 10b5-1 | 3,946 | $16.23 | $64,044 | 192,336 Direct | -2.01% | Disposed | -98.3% (price as of 2026-08-20) |
| April 22, 2020 | KRRO | S 10b5-1 | 4,500 | $14.84 | $66,780 | 196,282 Direct | -2.24% | Disposed | -98.2% (price as of 2026-08-20) |
| April 8, 2020 | KRRO | S 10b5-1 | 4,500 | $14.99 | $67,455 | 200,782 Direct | -2.19% | Disposed | -98.2% (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 |
|---|---|---|---|---|---|---|---|
| July 10, 2023 | KRRO | Restricted Stock Unit | Common Stock (4,546) | — | — | 4,546 | Disposed |
| July 7, 2023 | KRRO | Restricted Stock Unit | Common Stock (4,546) | — | — | 4,546 | Disposed |
| July 6, 2023 | KRRO | Restricted Stock Unit | Common Stock (4,546) | — | — | 4,546 | Disposed |
| July 5, 2023 | KRRO | Restricted Stock Unit | Common Stock (4,546) | — | — | 4,546 | Disposed |
| July 4, 2023 | KRRO | Restricted Stock Unit | Common Stock (150,000) | — | — | 150,000 | Disposed |
| Jan. 26, 2023 | KRRO | Restricted Stock Unit | Common Stock (105,000) | — | — | 105,000 | Acquired |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (70,000) | $35.85 | Jan. 14, 2031 | 70,000 | Disposed |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (70,000) | $2.14 | Jan. 14, 2031 | 70,000 | Acquired |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (57,500) | $25.05 | Feb. 11, 2030 | 57,500 | Disposed |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (57,500) | $2.14 | Feb. 11, 2030 | 57,500 | Acquired |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (146,826) | $14.00 | Oct. 1, 2029 | 146,826 | Disposed |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (146,826) | $2.14 | Oct. 1, 2029 | 146,826 | Acquired |
| July 5, 2022 | KRRO | Restricted Stock Unit | Common Stock (15,000) | — | — | 15,000 | Disposed |
| Feb. 17, 2022 | KRRO | Restricted Stock Unit | Common Stock (150,000) | — | — | 150,000 | Acquired |
| Feb. 14, 2022 | KRRO | Restricted Stock Unit | Common Stock (15,000) | — | — | 15,000 | Disposed |
| April 20, 2021 | KRRO | Restricted Stock Unit | Common Stock (30,000) | — | — | 30,000 | Acquired |
| Jan. 15, 2021 | KRRO | Stock Option | Common Stock (70,000) | $35.85 | Jan. 14, 2031 | 70,000 | Acquired |
| Feb. 12, 2020 | KRRO | Stock Option | Common Stock (57,500) | $25.05 | Feb. 11, 2030 | 57,500 | Acquired |
| Dec. 3, 2019 | KRRO | Stock Option | Common Stock (64,241) | $3.37 | April 16, 2029 | 64,241 | Acquired |
| Oct. 7, 2019 | KRRO | Series A Preferred Stock | Common Stock (6,708) | — | — | 45,182 | Disposed |
| Oct. 2, 2019 | KRRO | Stock Option | Common Stock (146,826) | $14.00 | Oct. 1, 2029 | 146,826 | Acquired |
| April 17, 2019 | KRRO | Stock Option [F1] | Common Stock (360,606) | $3.37 | April 16, 2029 | 360,606 | Acquired |
| April 17, 2019 | KRRO | Stock Option [F1] | Common Stock (64,241) | $3.37 | April 16, 2029 | 64,241 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 2, 2019 | KRRO | Common Stock | 198,574 | Direct |
| Oct. 2, 2019 | KRRO | Series A Preferred Stock→ Common Stock (6,708) | 6,708 | Direct |
| Oct. 2, 2019 | KRRO | Stock Option→ Common Stock (46,396) | 46,396 | Direct |
| Oct. 2, 2019 | KRRO | Stock Option→ Common Stock (207,570) | 207,570 | Direct |
| Oct. 2, 2019 | KRRO | Stock Option→ Common Stock (360,606) | 360,606 | Direct |
| Oct. 2, 2019 | KRRO | Stock Option→ Common Stock (64,241) | 64,241 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $294,211 | — | — | — | — | — | $752,905 | $1,580,474 |
| 2019 | $379,167 | — | — | — | $230,000 | — | $7,271 | $2,894,515 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.