Patrick O'Brien
Insider
First SEC filing: Dec. 4, 2014 · Latest: Dec. 4, 2014
Insider at
Insider transactions
0 buys (P)
12 sells (S)
Net: $-3,123,349
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 6, 2026 | ARWR | G | 540 | · | · | 474,368 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2026 | ARWR | G | 540 | · | · | 473,828 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2026 | ARWR | G | 540 | · | · | 473,288 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2026 | ARWR | G | 440 | · | · | 472,848 Direct | -0.09% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2026 | ARWR | G | 440 | · | · | 472,408 Direct | -0.09% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2026 | ARWR | A | 75,000 | · | · | 547,408 Direct | +15.88% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 4,368 | $61.20 | $267,322 | 520,033 Direct | -0.83% | Disposed | 4.9% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 6,164 | $62.23 | $383,586 | 513,869 Direct | -1.19% | Disposed | 3.1% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 13,451 | $62.96 | $846,875 | 500,418 Direct | -2.62% | Disposed | 2.0% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 11,842 | $63.84 | $755,993 | 488,576 Direct | -2.37% | Disposed | 0.5% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 2,700 | $64.44 | $173,988 | 485,876 Direct | -0.55% | Disposed | -0.4% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 900 | $66.01 | $59,409 | 484,976 Direct | -0.19% | Disposed | -2.8% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 313 | $68.00 | $21,284 | 484,663 Direct | -0.06% | Disposed | -5.6% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 600 | $61.12 | $36,672 | 484,063 Direct | -0.12% | Disposed | 5.0% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 900 | $62.25 | $56,025 | 483,163 Direct | -0.19% | Disposed | 3.1% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 5,873 | $62.91 | $369,470 | 477,290 Direct | -1.22% | Disposed | 2.0% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 2,336 | $64.04 | $149,597 | 474,954 Direct | -0.49% | Disposed | 0.2% (price as of 2026-10-02) |
| Jan. 5, 2026 | ARWR | S 10b5-1 | 46 | $68.00 | $3,128 | 474,908 Direct | -0.01% | Disposed | -5.6% (price as of 2026-10-02) |
| Dec. 31, 2025 | ARWR | G | 560 | · | · | 526,641 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | ARWR | G | 560 | · | · | 526,081 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | ARWR | G | 560 | · | · | 525,521 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | ARWR | G | 560 | · | · | 524,961 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | ARWR | G | 560 | · | · | 524,401 Direct | -0.11% | Disposed | (price as of 2026-10-02) |
| Jan. 7, 2025 | ARWR | S 10b5-1 | 8,000 | $19.69 | $157,520 | 527,201 Direct | -1.49% | Disposed | 226.0% (price as of 2026-10-02) |
| Jan. 6, 2025 | ARWR | S 10b5-1 | 19,658 | $19.69 | $387,066 | 544,727 Direct | -3.48% | Disposed | 226.0% (price as of 2026-10-02) |
| Jan. 6, 2025 | ARWR | S 10b5-1 | 9,526 | $20.10 | $191,473 | 535,201 Direct | -1.75% | Disposed | 219.4% (price as of 2026-10-02) |
| Jan. 4, 2025 | ARWR | A | 100,000 | · | · | 564,385 Direct | +21.53% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2024 | ARWR | S 10b5-1 | 1,900 | $33.99 | $64,581 | 485,326 Direct | -0.39% | Disposed | 88.8% (price as of 2026-10-02) |
| Jan. 5, 2024 | ARWR | S 10b5-1 | 8,200 | $34.99 | $286,918 | 477,126 Direct | -1.69% | Disposed | 83.5% (price as of 2026-10-02) |
| Jan. 5, 2024 | ARWR | S 10b5-1 | 12,741 | $35.65 | $454,217 | 464,385 Direct | -2.67% | Disposed | 80.1% (price as of 2026-10-02) |
| Jan. 4, 2024 | ARWR | S 10b5-1 | 1,600 | $32.63 | $52,208 | 402,226 Direct | -0.40% | Disposed | 96.7% (price as of 2026-10-02) |
| Jan. 4, 2024 | ARWR | A | 85,000 | · | · | 487,226 Direct | +21.13% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2024 | ARWR | S 10b5-1 | 3,849 | $31.83 | $122,514 | 408,726 Direct | -0.93% | Disposed | 101.7% (price as of 2026-10-02) |
| Jan. 3, 2024 | ARWR | S 10b5-1 | 2,800 | $32.52 | $91,056 | 405,926 Direct | -0.69% | Disposed | 97.4% (price as of 2026-10-02) |
| Jan. 3, 2024 | ARWR | S 10b5-1 | 400 | $33.41 | $13,364 | 405,526 Direct | -0.10% | Disposed | 92.1% (price as of 2026-10-02) |
| Jan. 3, 2024 | ARWR | S 10b5-1 | 1,700 | $32.65 | $55,505 | 403,826 Direct | -0.42% | Disposed | 96.6% (price as of 2026-10-02) |
| Jan. 5, 2023 | ARWR | S 10b5-1 | 7,500 | $37.39 | $280,425 | 413,375 Direct | -1.78% | Disposed | 71.7% (price as of 2026-10-02) |
| Jan. 5, 2023 | ARWR | S 10b5-1 | 7,500 | $37.39 | $280,425 | 420,875 Direct | -1.75% | Disposed | 71.7% (price as of 2026-10-02) |
| Jan. 4, 2023 | ARWR | A | 65,000 | · | · | 428,375 Direct | +17.89% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 270 | $40.53 | $10,943 | 363,375 Direct | -0.07% | Disposed | 58.4% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 300 | $39.55 | $11,865 | 363,645 Direct | -0.08% | Disposed | 62.3% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 5,286 | $38.58 | $203,934 | 363,945 Direct | -1.43% | Disposed | 66.4% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 2,894 | $37.58 | $108,757 | 369,231 Direct | -0.78% | Disposed | 70.8% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 70 | $40.80 | $2,856 | 372,125 Direct | -0.02% | Disposed | 57.3% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 500 | $39.74 | $19,870 | 372,195 Direct | -0.13% | Disposed | 61.5% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 5,527 | $38.54 | $213,011 | 372,695 Direct | -1.46% | Disposed | 66.6% (price as of 2026-10-02) |
| Jan. 3, 2023 | ARWR | S 10b5-1 | 2,653 | $37.53 | $99,567 | 378,222 Direct | -0.70% | Disposed | 71.0% (price as of 2026-10-02) |
| Dec. 21, 2022 | ARWR | M | 32,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 21, 2022 | ARWR | M | 32,000 | $6.15 | $196,800 | 380,875 Direct | +9.17% | Acquired | 943.7% (price as of 2026-10-02) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 316 | $64.35 | $20,335 | 348,875 Direct | -0.09% | Disposed | -0.2% (price as of 2026-10-02) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 4,400 | $63.75 | $280,500 | 349,191 Direct | -1.24% | Disposed | 0.7% (price as of 2026-10-02) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 5,000 | $62.49 | $312,450 | 353,591 Direct | -1.39% | Disposed | 2.7% (price as of 2026-10-02) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 10,350 | $61.88 | $640,458 | 358,591 Direct | -2.81% | Disposed | 3.7% (price as of 2026-10-02) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 12,434 | $60.49 | $752,133 | 368,941 Direct | -3.26% | Disposed | 6.1% (price as of 2026-10-02) |
| Jan. 1, 2022 | ARWR | A | 60,000 | · | · | 381,375 Direct | +18.67% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2021 | ARWR | M | 28,000 | · | · | 32,000 Direct | -46.67% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2021 | ARWR | M | 28,000 | $6.15 | $172,200 | 321,375 Direct | +9.54% | Acquired | 943.7% (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | M | 90,000 | · | · | 60,000 Direct | -60.00% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | S | 5,436 | $89.66 | $487,392 | 293,375 Direct | -1.82% | Disposed | -28.4% (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | S | 45,348 | $88.88 | $4,030,530 | 298,811 Direct | -13.18% | Disposed | -27.8% (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | S | 31,255 | $88.08 | $2,752,940 | 344,159 Direct | -8.33% | Disposed | -27.1% (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | S | 7,961 | $86.72 | $690,378 | 375,414 Direct | -2.08% | Disposed | -26.0% (price as of 2026-10-02) |
| Feb. 8, 2021 | ARWR | M | 90,000 | $5.22 | $469,800 | 383,375 Direct | +30.68% | Acquired | 1129.7% (price as of 2026-10-02) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 1,142 | $70.78 | $80,831 | 317,233 Direct | -0.36% | Disposed | -9.3% (price as of 2026-10-02) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 10,615 | $72.27 | $767,146 | 306,618 Direct | -3.35% | Disposed | -11.2% (price as of 2026-10-02) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 13,243 | $72.67 | $962,369 | 293,375 Direct | -4.32% | Disposed | -11.7% (price as of 2026-10-02) |
| Jan. 1, 2021 | ARWR | A | 60,000 | · | · | 318,375 Direct | +23.22% | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2020 | ARWR | G | 800 | · | · | 348,075 Direct | -0.23% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 100 | $61.02 | $6,102 | 258,375 Direct | -0.04% | Disposed | 5.2% (price as of 2026-10-02) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 8,931 | $60.43 | $539,700 | 258,475 Direct | -3.34% | Disposed | 6.2% (price as of 2026-10-02) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 5,594 | $59.61 | $333,458 | 267,406 Direct | -2.05% | Disposed | 7.7% (price as of 2026-10-02) |
| Jan. 1, 2020 | ARWR | A | 70,000 | · | · | 273,000 Direct | +34.48% | Acquired | (price as of 2026-10-02) |
| May 28, 2019 | ARWR | S | 30,000 | $24.88 | $746,400 | 203,000 Direct | -12.88% | Disposed | 158.0% (price as of 2026-10-02) |
| Jan. 18, 2019 | ARWR | S 10b5-1 | 72,000 | $14.43 | $1,038,960 | 233,000 Direct | -23.61% | Disposed | 344.8% (price as of 2026-10-02) |
| Jan. 1, 2019 | ARWR | A | 70,000 | · | · | 305,000 Direct | +29.79% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2018 | ARWR | A | 60,000 | · | · | 235,000 Direct | +34.29% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2017 | ARWR | A | 145,000 | · | · | 175,000 Direct | +483.33% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2016 | ARWR | A | 60,000 | · | · | 150,000 Direct | +66.67% | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2014 | ARWR | A | 90,000 | · | · | 90,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2014 | ARWR | A | 30,000 | · | · | 30,000 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 21, 2022 | ARWR | Stock Option (right to buy Common Stock) | Common Stock | $6.15 | Jan. 1, 2026 | 32,000 | Disposed |
| Dec. 31, 2021 | ARWR | Stock Option (right to buy Common Stock) | Common Stock | $6.15 | Jan. 1, 2026 | 28,000 | Disposed |
| Feb. 8, 2021 | ARWR | Stock Option (right to buy) | Common Stock | $5.22 | Dec. 2, 2024 | 90,000 | Disposed |
| Jan. 1, 2016 | ARWR | Stock Options | Common Stock | $6.15 | Jan. 1, 2026 | 60,000 | Acquired |
| Dec. 2, 2014 | ARWR | Stock Options | Common Stock | $5.22 | Dec. 2, 2024 | 90,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 4, 2014 | ARWR | No securities beneficially owned. | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2017 | $390,988 | · | · | · | $177,653 | · | $11,599 | $804,990 |
| 2016 | $375,949 | · | · | · | $170,820 | · | $11,399 | $834,743 |
| 2015 | $286,385 | $125,000 | · | · | $146,000 | · | $11,961 | $1,040,916 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.