Peter S Klein
First SEC filing: June 5, 2026 · Latest: June 5, 2026
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 3, 2026 | DNLI | A | 6,408 | · | · | 33,941 Direct | +23.27% | Acquired | (price as of 2026-10-02) |
| June 3, 2026 | DNLI | A | 19,226 | · | · | 19,226 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2025 | DNLI | A | 6,037 | · | · | 27,533 Direct | +28.08% | Acquired | (price as of 2026-10-02) |
| June 3, 2025 | DNLI | A | 18,111 | · | · | 18,111 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2025 | FFIV | A | 934 | · | · | 934 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2025 | FFIV | M | 1,309 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 12, 2025 | FFIV | M | 1,309 | · | · | 13,333 Direct | +10.89% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2024 | FFIV | G | 1,000 | · | · | 12,024 Direct | -7.68% | Disposed | (price as of 2026-10-02) |
| May 31, 2024 | DNLI | A | 5,967 | · | · | 21,496 Direct | +38.42% | Acquired | (price as of 2026-10-02) |
| May 31, 2024 | DNLI | A | 17,901 | · | · | 17,901 Direct | · | Acquired | (price as of 2026-10-02) |
| March 14, 2024 | FFIV | A | 1,309 | · | · | 1,309 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2024 | FFIV | M | 1,770 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 13, 2024 | FFIV | M | 1,770 | · | · | 13,024 Direct | +15.73% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2023 | FFIV | G | 1,200 | · | · | 11,254 Direct | -9.64% | Disposed | (price as of 2026-10-02) |
| June 14, 2023 | PDYN | A | 195,059 | · | · | 265,066 Direct | +278.63% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | DNLI | A | 4,216 | · | · | 15,529 Direct | +37.27% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | DNLI | A | 12,649 | · | · | 12,649 Direct | · | Acquired | (price as of 2026-10-02) |
| March 9, 2023 | FFIV | A | 1,770 | · | · | 1,770 Direct | · | Acquired | (price as of 2026-10-02) |
| March 8, 2023 | FFIV | M | 1,272 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 8, 2023 | FFIV | M | 1,272 | · | · | 12,454 Direct | +11.38% | Acquired | (price as of 2026-10-02) |
| June 29, 2022 | PDYN | A | 57,692 | · | · | 70,007 Direct | +468.47% | Acquired | (price as of 2026-10-02) |
| June 2, 2022 | DNLI | A | 5,986 | · | · | 11,313 Direct | +112.37% | Acquired | (price as of 2026-10-02) |
| June 2, 2022 | DNLI | A | 17,959 | · | · | 17,959 Direct | · | Acquired | (price as of 2026-10-02) |
| March 10, 2022 | FFIV | A | 1,272 | · | · | 1,272 Direct | · | Acquired | (price as of 2026-10-02) |
| March 9, 2022 | FFIV | M | 1,282 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 9, 2022 | FFIV | M | 1,282 | · | · | 11,182 Direct | +12.95% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2021 | PDYN | A | 12,315 | · | · | 12,315 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | DNLI | A | 6,222 | · | · | 6,222 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | DNLI | A | 2,074 | · | · | 5,327 Direct | +63.76% | Acquired | (price as of 2026-10-02) |
| June 1, 2021 | DNLI | M | 3,253 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 1, 2021 | DNLI | M | 3,253 | · | · | 3,253 Direct | · | Acquired | (price as of 2026-10-02) |
| May 11, 2021 | FFIV | G | 1,000 | · | · | 9,900 Direct | -9.17% | Disposed | (price as of 2026-10-02) |
| March 11, 2021 | FFIV | A | 1,282 | · | · | 1,282 Direct | · | Acquired | (price as of 2026-10-02) |
| March 10, 2021 | FFIV | M | 2,543 | · | · | 10,900 Direct | +30.43% | Acquired | (price as of 2026-10-02) |
| March 10, 2021 | FFIV | M | 2,543 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 3, 2020 | DNLI | A | 3,253 | · | · | 3,253 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2020 | DNLI | A | 15,183 | · | · | 15,183 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2020 | FFIV | A | 2,543 | · | · | 2,543 Direct | · | Acquired | (price as of 2026-10-02) |
| March 11, 2020 | FFIV | M | 1,633 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 11, 2020 | FFIV | M | 1,633 | · | · | 8,357 Direct | +24.29% | Acquired | (price as of 2026-10-02) |
| May 30, 2019 | DNLI | A | 27,245 | · | · | 27,245 Direct | · | Acquired | (price as of 2026-10-02) |
| March 14, 2019 | FFIV | A | 1,633 | · | · | 1,633 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2019 | FFIV | M | 1,688 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 13, 2019 | FFIV | M | 1,688 | · | · | 6,724 Direct | +33.52% | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2018 | FFIV | G | 1,576 | · | · | 5,036 Direct | -23.84% | Disposed | (price as of 2026-10-02) |
| March 16, 2018 | DNLI | A | 37,954 | · | · | 37,954 Direct | · | Acquired | (price as of 2026-10-02) |
| March 15, 2018 | FFIV | A | 1,688 | · | · | 1,688 Direct | · | Acquired | (price as of 2026-10-02) |
| March 14, 2018 | FFIV | M | 1,740 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 14, 2018 | FFIV | M | 1,740 | · | · | 6,612 Direct | +35.71% | Acquired | (price as of 2026-10-02) |
| March 9, 2017 | FFIV | A | 1,740 | · | · | 1,740 Direct | · | Acquired | (price as of 2026-10-02) |
| March 8, 2017 | FFIV | M | 2,540 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 8, 2017 | FFIV | M | 2,540 | · | · | 4,872 Direct | +108.92% | Acquired | (price as of 2026-10-02) |
| March 10, 2016 | FFIV | A | 2,540 | · | · | 2,540 Direct | · | Acquired | (price as of 2026-10-02) |
| March 10, 2016 | FFIV | A | 2,540 | · | · | 2,540 Direct | · | Acquired | (price as of 2026-10-02) |
| March 9, 2016 | FFIV | M | 2,212 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 9, 2016 | FFIV | M | 2,212 | · | · | 2,332 Direct | +1843.33% | Acquired | (price as of 2026-10-02) |
| March 9, 2016 | FFIV | M | 2,212 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 9, 2016 | FFIV | M | 2,212 | · | · | 2,212 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2015 | FFIV | A | 2,212 | · | · | 2,212 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2012 | MSFT | A | 123,297 | · | · | 471,016 Direct | +35.46% | Acquired | (price as of 2026-10-02) |
| Sept. 7, 2012 | MSFT | F | 11,236 | $31.34 | $352,136 | 347,719 Direct | -3.13% | Disposed | 1551.3% (price as of 2026-10-02) |
| Sept. 7, 2012 | MSFT | A | 123,297 | · | · | 358,955 Direct | +52.32% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2012 | MSFT | F | 19,857 | $30.32 | $602,064 | 235,658 Direct | -7.77% | Disposed | 1606.9% (price as of 2026-10-02) |
| Aug. 29, 2012 | MSFT | F | 960 | $30.63 | $29,405 | 255,515 Direct | -0.37% | Disposed | 1589.6% (price as of 2026-10-02) |
| Sept. 20, 2011 | MSFT | F | 9,866 | $27.21 | $268,454 | 256,475 Direct | -3.70% | Disposed | 1802.0% (price as of 2026-10-02) |
| Sept. 20, 2011 | MSFT | A | 108,271 | · | · | 108,271 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2011 | MSFT | F | 12,651 | $26.23 | $331,836 | 158,070 Direct | -7.41% | Disposed | 1873.0% (price as of 2026-10-02) |
| Aug. 29, 2011 | MSFT | F | 1,665 | $25.25 | $42,041 | 170,721 Direct | -0.97% | Disposed | 1949.6% (price as of 2026-10-02) |
| Sept. 21, 2010 | MSFT | F | 7,854 | $25.43 | $199,727 | 172,386 Direct | -4.36% | Disposed | 1935.1% (price as of 2026-10-02) |
| Sept. 21, 2010 | MSFT | A | 94,609 | · | · | 180,240 Direct | +110.48% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2010 | MSFT | F | 7,326 | $23.64 | $173,187 | 85,630 Direct | -7.88% | Disposed | 2089.2% (price as of 2026-10-02) |
| Aug. 30, 2010 | MSFT | F | 1,665 | $23.93 | $39,843 | 92,956 Direct | -1.76% | Disposed | 2062.7% (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 |
|---|---|---|---|---|---|---|---|
| June 3, 2026 | DNLI | Stock Option (right to buy) | Common Stock | $19.66 | June 3, 2036 | 19,226 | Acquired |
| June 3, 2025 | DNLI | Stock Option (right to buy) | Common Stock | $13.93 | June 3, 2035 | 18,111 | Acquired |
| March 13, 2025 | FFIV | Restricted Stock Unit [F1] | Common Stock | $0.00 | · | 934 | Acquired |
| March 12, 2025 | FFIV | Restricted Stock Unit [F1] | Common Stock | $0.00 | · | 1,309 | Disposed |
| May 31, 2024 | DNLI | Stock Option (right to buy) | Common Stock | $18.56 | May 31, 2034 | 17,901 | Acquired |
| March 14, 2024 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,309 | Acquired |
| March 13, 2024 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,770 | Disposed |
| June 1, 2023 | DNLI | Stock Option (right to buy) | Common Stock | $30.92 | June 1, 2033 | 12,649 | Acquired |
| March 9, 2023 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,770 | Acquired |
| March 8, 2023 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,272 | Disposed |
| June 2, 2022 | DNLI | Stock Option (right to buy) | Common Stock | $24.27 | June 2, 2032 | 17,959 | Acquired |
| March 10, 2022 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,272 | Acquired |
| March 9, 2022 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,282 | Disposed |
| June 2, 2021 | DNLI | Stock Option (right to buy) | Common Stock | $63.76 | June 2, 2031 | 6,222 | Acquired |
| June 1, 2021 | DNLI | Restricted Stock Units | Common Stock | · | · | 3,253 | Disposed |
| March 11, 2021 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,282 | Acquired |
| March 10, 2021 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 2,543 | Disposed |
| June 3, 2020 | DNLI | Restricted Stock Units | Common Stock | · | · | 3,253 | Acquired |
| June 3, 2020 | DNLI | Stock Option (right to buy) | Common Stock | $28.82 | June 2, 2030 | 15,183 | Acquired |
| March 12, 2020 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 2,543 | Acquired |
| March 11, 2020 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,633 | Disposed |
| May 30, 2019 | DNLI | Stock Option (right to buy) | Common Stock | $19.50 | May 29, 2029 | 27,245 | Acquired |
| March 14, 2019 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,633 | Acquired |
| March 13, 2019 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,688 | Disposed |
| March 16, 2018 | DNLI | Stock Option (right to buy) | Common Stock | $21.54 | March 15, 2028 | 37,954 | Acquired |
| March 15, 2018 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,688 | Acquired |
| March 14, 2018 | FFIV | Restricted Stock Unit [F2] | Common Stock | $0.00 | · | 1,740 | Disposed |
| March 9, 2017 | FFIV | Restricted Stock Units [F2] | Common Stock | $0.00 | · | 1,740 | Acquired |
| March 8, 2017 | FFIV | Restricted Stock Units [F2] | Common Stock | $0.00 | · | 2,540 | Disposed |
| March 10, 2016 | FFIV | Restricted Stock Units [F3] | Common Stock | $0.00 | · | 2,540 | Acquired |
| March 10, 2016 | FFIV | Restricted Stock Units [F2] | Common Stock | $0.00 | · | 2,540 | Acquired |
| March 9, 2016 | FFIV | Restricted Stock Units [F3] | Common Stock | $0.00 | · | 2,212 | Disposed |
| March 9, 2016 | FFIV | Restricted Stock Units [F2] | Common Stock | $0.00 | · | 2,212 | Disposed |
| March 12, 2015 | FFIV | Restricted Stock Units [F1] | Common Stock | $0.00 | · | 2,212 | 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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 24, 2021 | PDYN | Stock Option (right to buy) | · | Direct |
| Sept. 24, 2021 | PDYN | Stock Option (right to buy) | · | Direct |
| March 20, 2018 | DNLI | No securities are beneficially owned. | 0 | Direct |
| March 13, 2015 | FFIV | Common Stock | 120 | Direct |
| Dec. 4, 2009 | MSFT | Common Stock | 94,621 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2013 | $598,333 | · | · | · | · | · | $11,820 | $4,152,476 |
| 2012 | $580,000 | · | · | · | · | · | $11,030 | $5,108,836 |
| 2011 | $525,000 | · | · | · | · | · | $10,366 | $3,521,687 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.