Kenneth Allen Myszkowski
CIK 1486672 · View on SEC EDGAR ↗
Insider
First SEC filing: April 15, 2010 · Latest: Sept. 30, 2022
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
+ 61 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
61 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 29, 2022 | ARWR | S 10b5-1 | 30,625 | $40.00 | $1,225,000 | 336,704 Direct | -8.34% | Disposed | 118.2% (price as of 2026-08-20) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 3,786 | $63.95 | $242,115 | 464,005 Direct | -0.81% | Disposed | 36.5% (price as of 2026-08-20) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 3,778 | $63.17 | $238,656 | 467,791 Direct | -0.80% | Disposed | 38.2% (price as of 2026-08-20) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 16,528 | $62.00 | $1,024,736 | 471,569 Direct | -3.39% | Disposed | 40.8% (price as of 2026-08-20) |
| Jan. 5, 2022 | ARWR | S 10b5-1 | 15,908 | $60.50 | $962,434 | 488,097 Direct | -3.16% | Disposed | 44.3% (price as of 2026-08-20) |
| Jan. 12, 2021 | ARWR | S | 1,441 | $81.00 | $116,721 | 444,005 Direct | -0.32% | Disposed | 7.8% (price as of 2026-08-20) |
| Jan. 11, 2021 | ARWR | S | 11,597 | $81.02 | $939,589 | 445,446 Direct | -2.54% | Disposed | 7.8% (price as of 2026-08-20) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 25,166 | $72.63 | $1,827,807 | 457,043 Direct | -5.22% | Disposed | 20.2% (price as of 2026-08-20) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 4,359 | $71.77 | $312,845 | 482,209 Direct | -0.90% | Disposed | 21.6% (price as of 2026-08-20) |
| Jan. 6, 2021 | ARWR | S 10b5-1 | 1,100 | $70.75 | $77,825 | 486,568 Direct | -0.23% | Disposed | 23.4% (price as of 2026-08-20) |
| Nov. 9, 2020 | ARWR | S 10b5-1 | 17,665 | $69.86 | $1,234,077 | 427,668 Direct | -3.97% | Disposed | 25.0% (price as of 2026-08-20) |
| Nov. 9, 2020 | ARWR | S 10b5-1 | 25,840 | $69.04 | $1,783,994 | 445,333 Direct | -5.48% | Disposed | 26.4% (price as of 2026-08-20) |
| Oct. 20, 2020 | ARWR | S 10b5-1 | 29,166 | $54.04 | $1,576,131 | 427,668 Direct | -6.38% | Disposed | 61.5% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 3,450 | $52.13 | $179,848 | 384,223 Direct | -0.89% | Disposed | 67.5% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 10,680 | $51.11 | $545,855 | 387,673 Direct | -2.68% | Disposed | 70.8% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 2,800 | $49.98 | $139,944 | 398,353 Direct | -0.70% | Disposed | 74.7% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 10,554 | $49.07 | $517,885 | 401,153 Direct | -2.56% | Disposed | 77.9% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 6,432 | $47.93 | $308,286 | 411,707 Direct | -1.54% | Disposed | 82.1% (price as of 2026-08-20) |
| Jan. 21, 2020 | ARWR | S 10b5-1 | 6,397 | $47.07 | $301,107 | 418,139 Direct | -1.51% | Disposed | 85.5% (price as of 2026-08-20) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 500 | $60.95 | $30,475 | 391,185 Direct | -0.13% | Disposed | 43.2% (price as of 2026-08-20) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 11,907 | $60.40 | $719,183 | 391,685 Direct | -2.95% | Disposed | 44.5% (price as of 2026-08-20) |
| Jan. 6, 2020 | ARWR | S 10b5-1 | 7,593 | $59.60 | $452,543 | 403,592 Direct | -1.85% | Disposed | 46.5% (price as of 2026-08-20) |
| Nov. 1, 2019 | ARWR | S 10b5-1 | 16,620 | $41.21 | $684,910 | 313,536 Direct | -5.03% | Disposed | 111.8% (price as of 2026-08-20) |
| Nov. 1, 2019 | ARWR | S 10b5-1 | 21,264 | $40.56 | $862,468 | 330,156 Direct | -6.05% | Disposed | 115.2% (price as of 2026-08-20) |
| May 21, 2019 | ARWR | S 10b5-1 | 27,071 | $22.00 | $595,562 | 278,536 Direct | -8.86% | Disposed | 296.8% (price as of 2026-08-20) |
| Feb. 19, 2019 | ARWR | S 10b5-1 | 8,000 | $18.00 | $144,000 | 305,607 Direct | -2.55% | Disposed | 385.0% (price as of 2026-08-20) |
| Jan. 17, 2019 | ARWR | S 10b5-1 | 81,875 | $14.55 | $1,191,281 | 305,607 Direct | -21.13% | Disposed | 500.0% (price as of 2026-08-20) |
| Jan. 2, 2019 | ARWR | S 10b5-1 | 8,333 | $11.98 | $99,829 | 387,482 Direct | -2.11% | Disposed | 628.7% (price as of 2026-08-20) |
| Sept. 6, 2018 | ARWR | S 10b5-1 | 20,000 | $21.01 | $420,200 | 310,815 Direct | -6.05% | Disposed | 315.5% (price as of 2026-08-20) |
| Sept. 6, 2018 | ARWR | S 10b5-1 | 25,000 | $18.00 | $450,000 | 330,815 Direct | -7.03% | Disposed | 385.0% (price as of 2026-08-20) |
| June 19, 2018 | ARWR | S 10b5-1 | 20,000 | $14.01 | $280,200 | 310,815 Direct | -6.05% | Disposed | 523.1% (price as of 2026-08-20) |
| May 31, 2018 | ARWR | S 10b5-1 | 12,600 | $11.00 | $138,600 | 310,815 Direct | -3.90% | Disposed | 693.6% (price as of 2026-08-20) |
| May 30, 2018 | ARWR | S 10b5-1 | 1,400 | $11.00 | $15,400 | 310,815 Direct | -0.45% | Disposed | 693.6% (price as of 2026-08-20) |
| March 27, 2018 | ARWR | S 10b5-1 | 20,000 | $8.00 | $160,000 | 310,815 Direct | -6.05% | Disposed | 991.3% (price as of 2026-08-20) |
| Aug. 23, 2016 | ARWR | S 10b5-1 | 6,900 | $8.00 | $55,200 | 115,689 Direct | -5.63% | Disposed | 991.3% (price as of 2026-08-20) |
| Aug. 23, 2016 | ARWR | S | 6,900 | $8.00 | $55,200 | 115,689 Direct | -5.63% | Disposed | 991.3% (price as of 2026-08-20) |
| Aug. 22, 2016 | ARWR | S 10b5-1 | 13,100 | $8.00 | $104,800 | 115,689 Direct | -10.17% | Disposed | 991.3% (price as of 2026-08-20) |
| Aug. 22, 2016 | ARWR | S | 13,100 | $8.00 | $104,800 | 115,689 Direct | -10.17% | Disposed | 991.3% (price as of 2026-08-20) |
| Dec. 30, 2015 | ARWR | S | 23,347 | $6.13 | $143,117 | 85,000 Direct | -21.55% | Disposed | 1324.1% (price as of 2026-08-20) |
Showing latest 100 of 117 transactions
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 |
|---|---|---|---|---|---|---|---|
| Nov. 9, 2020 | ARWR | Stock Option (right to buy) | Common Stock (43,505) | $14.54 | Feb. 6, 2024 | 43,505 | Disposed |
| Oct. 20, 2020 | ARWR | Stock Option (right to buy) | Common Stock (29,166) | $6.15 | Jan. 1, 2026 | 29,166 | Disposed |
| Feb. 25, 2020 | ARWR | Stock Option (right to buy) | Common Stock (10,834) | $6.15 | Jan. 1, 2026 | 10,834 | Disposed |
| Feb. 25, 2020 | ARWR | Stock Option (right to buy) | Common Stock (12,116) | $7.75 | March 6, 2025 | 12,116 | Disposed |
| Feb. 25, 2020 | ARWR | Stock Option (right to buy) | Common Stock (6,495) | $14.54 | Feb. 6, 2024 | 6,495 | Disposed |
| Feb. 25, 2020 | ARWR | Stock Option (right to buy) | Common Stock (2,000) | $5.19 | Feb. 16, 2022 | 2,000 | Disposed |
| Feb. 25, 2020 | ARWR | Stock Option (right to buy) | Common Stock (12,000) | $9.90 | Aug. 16, 2020 | 12,000 | Disposed |
| Jan. 21, 2020 | ARWR | Stock Option (right to buy) | Common Stock (33,351) | $5.19 | Feb. 16, 2022 | 33,351 | Disposed |
| Nov. 5, 2019 | ARWR | Stock Option (right to buy) | Common Stock (12,649) | $5.19 | Feb. 16, 2022 | 12,649 | Disposed |
| Nov. 1, 2019 | ARWR | Stock Option (right to buy) | Common Stock (37,884) | $7.75 | March 6, 2025 | 37,884 | Disposed |
| May 31, 2019 | ARWR | Stock Option (right to buy) | Common Stock (20,000) | $5.19 | Feb. 16, 2022 | 20,000 | Disposed |
| May 31, 2019 | ARWR | Stock Option (right to buy) | Common Stock (15,000) | $4.60 | Oct. 21, 2021 | 15,000 | Disposed |
| Feb. 19, 2019 | ARWR | Stock Option (right to buy) | Common Stock (8,000) | $5.20 | March 4, 2020 | 8,000 | Disposed |
| Sept. 6, 2018 | ARWR | Stock Option (right to buy) | Common Stock (20,000) | $4.75 | Sept. 21, 2023 | 20,000 | Disposed |
| Sept. 6, 2018 | ARWR | Stock Option (right to buy) | Common Stock (25,000) | $2.62 | Sept. 28, 2022 | 25,000 | Disposed |
| June 19, 2018 | ARWR | Stock Option (right to buy) | Common Stock (20,000) | $2.01 | May 6, 2023 | 20,000 | Disposed |
| May 31, 2018 | ARWR | Stock Option (right to buy) | Common Stock (12,600) | $2.01 | May 6, 2023 | 12,600 | Disposed |
| May 30, 2018 | ARWR | Stock Option (right to buy) | Common Stock (1,400) | $2.01 | May 6, 2023 | 1,400 | Disposed |
| March 27, 2018 | ARWR | Stock Option (right to buy) | Common Stock (20,000) | $2.01 | May 6, 2023 | 20,000 | Disposed |
| Aug. 23, 2016 | ARWR | Stock Option (right to buy) | Common Stock (6,900) | $2.01 | May 6, 2023 | 6,900 | Disposed |
| Aug. 23, 2016 | ARWR | Stock Option (right to buy) | Common Stock (6,900) | $2.01 | May 6, 2023 | 6,900 | Disposed |
| Aug. 22, 2016 | ARWR | Stock Option (right to buy) | Common Stock (13,100) | $2.01 | May 6, 2023 | 13,100 | Disposed |
| Aug. 22, 2016 | ARWR | Stock Option (right to buy) | Common Stock (13,100) | $2.01 | May 6, 2023 | 13,100 | Disposed |
| Jan. 1, 2016 | ARWR | Stock Option | Common Stock (40,000) | $6.15 | Jan. 1, 2026 | 40,000 | Acquired |
| March 6, 2015 | ARWR | Stock Option | Common Stock (50,000) | $7.75 | March 6, 2025 | 50,000 | Acquired |
| Aug. 15, 2014 | ARWR | Stock Option (right to buy) | Common Stock (25,000) | $7.00 | Nov. 16, 2019 | 25,000 | Disposed |
| Aug. 15, 2014 | ARWR | Stock Option (right to buy) | Common Stock (15,000) | $5.19 | Feb. 16, 2022 | 15,000 | Disposed |
| Feb. 12, 2014 | ARWR | Stock Option | Common Stock (16,000) | $2.01 | May 6, 2023 | 16,000 | Disposed |
| Feb. 6, 2014 | ARWR | Stock Options | Common Stock (50,000) | $14.54 | Feb. 6, 2024 | 50,000 | Acquired |
| Sept. 21, 2013 | ARWR | Stock Option | Common Stock (20,000) | $4.75 | Sept. 21, 2023 | 20,000 | Acquired |
| May 6, 2013 | ARWR | Stock Option | Common Stock (90,000) | $2.01 | May 6, 2023 | 90,000 | Acquired |
| Sept. 28, 2012 | ARWR | Stock Option | Common Stock (25,000) | $2.62 | Sept. 28, 2022 | 25,000 | Acquired |
| Feb. 16, 2012 | ARWR | Stock Option | Common Stock (83,000) | $5.19 | Feb. 16, 2022 | 83,000 | Acquired |
| Oct. 21, 2011 | ARWR | Stock Option | Common Stock (150,000) | $0.46 | Oct. 21, 2021 | 150,000 | Acquired |
| Aug. 16, 2010 | ARWR | Stock Option | Common Stock (120,000) | $0.99 | Aug. 16, 2020 | 120,000 | 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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
ARWR
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2017 | $336,099 | — | — | — | $152,713 | — | $11,809 | $725,371 |
| 2016 | $321,692 | — | — | — | $130,524 | — | $12,431 | $956,530 |
| 2015 | $302,375 | — | — | — | $123,136 | — | $12,967 | $1,074,101 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.