Karl D Triebes
CIK 1200474 · View on SEC EDGAR ↗
First SEC filing: Aug. 16, 2004 · Latest: Aug. 16, 2004
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
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 2, 2016 | FFIV | S 10b5-1 | 1,400 | $123.35 | $172,690 | 10,746 Direct | -11.53% | Disposed | 207.0% (price as of 2026-08-20) |
| Aug. 2, 2016 | FFIV | S 10b5-1 | 4,440 | $122.86 | $545,498 | 12,146 Direct | -26.77% | Disposed | 208.2% (price as of 2026-08-20) |
| Feb. 1, 2016 | FFIV | S 10b5-1 | 1,187 | $94.09 | $111,685 | 9,454 Direct | -11.15% | Disposed | 302.4% (price as of 2026-08-20) |
| Feb. 1, 2016 | FFIV | S 10b5-1 | 4,761 | $93.53 | $445,296 | 10,641 Direct | -30.91% | Disposed | 304.8% (price as of 2026-08-20) |
| Nov. 2, 2015 | FFIV | S 10b5-1 | 1,350 | $110.48 | $149,148 | 8,789 Direct | -13.31% | Disposed | 242.7% (price as of 2026-08-20) |
| Nov. 2, 2015 | FFIV | S 10b5-1 | 3,200 | $109.16 | $349,312 | 10,139 Direct | -23.99% | Disposed | 246.9% (price as of 2026-08-20) |
| Aug. 3, 2015 | FFIV | S 10b5-1 | 1,700 | $131.73 | $223,941 | 8,283 Direct | -17.03% | Disposed | 187.4% (price as of 2026-08-20) |
| Aug. 3, 2015 | FFIV | S 10b5-1 | 2,876 | $130.91 | $376,497 | 9,983 Direct | -22.37% | Disposed | 189.2% (price as of 2026-08-20) |
| May 1, 2015 | FFIV | S 10b5-1 | 2,698 | $123.32 | $332,717 | 7,774 Direct | -25.76% | Disposed | 207.0% (price as of 2026-08-20) |
| May 1, 2015 | FFIV | S 10b5-1 | 1,900 | $122.55 | $232,845 | 10,472 Direct | -15.36% | Disposed | 209.0% (price as of 2026-08-20) |
| Feb. 2, 2015 | FFIV | S 10b5-1 | 100 | $112.67 | $11,267 | 7,263 Direct | -1.36% | Disposed | 236.1% (price as of 2026-08-20) |
| Feb. 2, 2015 | FFIV | S 10b5-1 | 3,200 | $111.98 | $358,336 | 7,363 Direct | -30.29% | Disposed | 238.1% (price as of 2026-08-20) |
| Feb. 2, 2015 | FFIV | S 10b5-1 | 1,300 | $111.12 | $144,456 | 10,563 Direct | -10.96% | Disposed | 240.7% (price as of 2026-08-20) |
| Nov. 3, 2014 | FFIV | S 10b5-1 | 1,350 | $124.99 | $168,736 | 6,751 Direct | -16.66% | Disposed | 202.9% (price as of 2026-08-20) |
| Nov. 3, 2014 | FFIV | S 10b5-1 | 2,756 | $124.21 | $342,323 | 8,101 Direct | -25.38% | Disposed | 204.8% (price as of 2026-08-20) |
| Nov. 3, 2014 | FFIV | S 10b5-1 | 200 | $122.40 | $24,480 | 10,857 Direct | -1.81% | Disposed | 209.3% (price as of 2026-08-20) |
| Aug. 19, 2014 | FFIV | S 10b5-1 | 4,047 | $120.00 | $485,640 | 6,272 Direct | -39.22% | Disposed | 215.5% (price as of 2026-08-20) |
| Aug. 1, 2014 | FFIV | S 10b5-1 | 600 | $113.02 | $67,812 | 10,319 Direct | -5.50% | Disposed | 235.0% (price as of 2026-08-20) |
| Aug. 1, 2014 | FFIV | S 10b5-1 | 4,978 | $112.28 | $558,930 | 10,919 Direct | -31.31% | Disposed | 237.2% (price as of 2026-08-20) |
| May 1, 2014 | FFIV | S 10b5-1 | 1,683 | $106.87 | $179,862 | 9,700 Direct | -14.79% | Disposed | 254.3% (price as of 2026-08-20) |
| May 1, 2014 | FFIV | S 10b5-1 | 2,425 | $106.44 | $258,117 | 11,383 Direct | -17.56% | Disposed | 255.7% (price as of 2026-08-20) |
| May 1, 2014 | FFIV | S 10b5-1 | 1,400 | $105.01 | $147,014 | 13,808 Direct | -9.21% | Disposed | 260.6% (price as of 2026-08-20) |
| Feb. 3, 2014 | FFIV | S 10b5-1 | 300 | $106.21 | $31,863 | 9,088 Direct | -3.20% | Disposed | 256.5% (price as of 2026-08-20) |
| Feb. 3, 2014 | FFIV | S 10b5-1 | 1,940 | $105.29 | $204,263 | 9,388 Direct | -17.13% | Disposed | 259.6% (price as of 2026-08-20) |
| Feb. 3, 2014 | FFIV | S 10b5-1 | 3,200 | $104.59 | $334,688 | 11,328 Direct | -22.03% | Disposed | 262.0% (price as of 2026-08-20) |
| Nov. 1, 2013 | FFIV | S 10b5-1 | 2,073 | $81.39 | $168,721 | 8,484 Direct | -19.64% | Disposed | 365.2% (price as of 2026-08-20) |
| Nov. 1, 2013 | FFIV | S 10b5-1 | 300 | $80.29 | $24,087 | 10,557 Direct | -2.76% | Disposed | 371.6% (price as of 2026-08-20) |
| Nov. 1, 2013 | FFIV | S 10b5-1 | 1,173 | $79.23 | $92,937 | 10,857 Direct | -9.75% | Disposed | 377.9% (price as of 2026-08-20) |
| Aug. 1, 2013 | FFIV | S 10b5-1 | 6,064 | $88.81 | $538,544 | 8,093 Direct | -42.83% | Disposed | 326.3% (price as of 2026-08-20) |
| Aug. 1, 2013 | FFIV | S 10b5-1 | 6,067 | $87.81 | $532,743 | 14,157 Direct | -30.00% | Disposed | 331.2% (price as of 2026-08-20) |
Showing latest 100 of 307 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 |
|---|---|---|---|---|---|---|---|
| Aug. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (762) | $0.00 | — | 762 | Disposed |
| Aug. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (660) | $0.00 | — | 660 | Disposed |
| Aug. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Aug. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Feb. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (762) | $0.00 | — | 762 | Disposed |
| Feb. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (661) | $0.00 | — | 661 | Disposed |
| Feb. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (946) | $0.00 | — | 946 | Disposed |
| Feb. 1, 2016 | FFIV | Restricted Stock Units [F5] | Common Stock (956) | $0.00 | — | 956 | Disposed |
| Nov. 1, 2015 | FFIV | Restricted Stock Units [F5] | Common Stock (660) | $0.00 | — | 660 | Disposed |
| Nov. 1, 2015 | FFIV | Restricted Stock Units [F5] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Nov. 1, 2015 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Oct. 30, 2015 | FFIV | Restricted Stock Units [F5] | Common Stock (12,201) | $0.00 | — | 12,201 | Acquired |
| Aug. 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (661) | $0.00 | — | 661 | Disposed |
| Aug. 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Aug. 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| May 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (661) | $0.00 | — | 661 | Disposed |
| May 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| May 1, 2015 | FFIV | Restricted Stock Units [F4] | Common Stock (956) | $0.00 | — | 956 | Disposed |
| Feb. 1, 2015 | FFIV | Restricted Stock Units [F6] | Common Stock (660) | $0.00 | — | 660 | Disposed |
| Feb. 1, 2015 | FFIV | Restricted Stock Units [F6] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Feb. 1, 2015 | FFIV | Restricted Stock Units [F6] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Nov. 1, 2014 | FFIV | Restricted Stock Units [F6] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Nov. 1, 2014 | FFIV | Restricted Stock Units [F6] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Nov. 1, 2014 | FFIV | Restricted Stock Units [F6] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Oct. 31, 2014 | FFIV | Restricted Stock Units [F6] | Common Stock (10,571) | $0.00 | — | 10,571 | Acquired |
| Aug. 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| Aug. 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (956) | $0.00 | — | 956 | Disposed |
| Aug. 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Aug. 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (677) | $0.00 | — | 677 | Disposed |
| May 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (947) | $0.00 | — | 947 | Disposed |
| May 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| May 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| May 1, 2014 | FFIV | Restricted Stock Units [F5] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Feb. 1, 2014 | FFIV | Restricted Stock Units [F3] | Common Stock (946) | $0.00 | — | 946 | Disposed |
| Feb. 1, 2014 | FFIV | Restricted Stock Units [F3] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Feb. 1, 2014 | FFIV | Restricted Stock Units [F3] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Feb. 1, 2014 | FFIV | Restricted Stock Units [F3] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Nov. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (956) | $0.00 | — | 956 | Disposed |
| Nov. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Nov. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Oct. 29, 2013 | FFIV | Restricted Stock Units [F2] | Common Stock (15,150) | $0.00 | — | 15,150 | Acquired |
| Aug. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Aug. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Aug. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Aug. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (10,720) | $0.00 | — | 10,720 | Disposed |
| May 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| May 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| May 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| May 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (720) | $0.00 | — | 720 | Disposed |
| Feb. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (955) | $0.00 | — | 955 | Disposed |
| Feb. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Feb. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (677) | $0.00 | — | 677 | Disposed |
| Feb. 1, 2013 | FFIV | Restricted Stock Units [F5] | Common Stock (719) | $0.00 | — | 719 | Disposed |
| Nov. 1, 2012 | FFIV | Restricted Stock Units [F3] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Nov. 1, 2012 | FFIV | Restricted Stock Units [F3] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Nov. 1, 2012 | FFIV | Restricted Stock Units [F3] | Common Stock (720) | $0.00 | — | 720 | Disposed |
| Oct. 30, 2012 | FFIV | Restricted Stock Units [F3] | Common Stock (15,285) | $0.00 | — | 15,285 | Acquired |
| Aug. 1, 2012 | FFIV | Restricted Stock Units [F5] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Aug. 1, 2012 | FFIV | Restricted Stock Units [F5] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Aug. 1, 2012 | FFIV | Restricted Stock Units [F5] | Common Stock (719) | $0.00 | — | 719 | Disposed |
| May 1, 2012 | FFIV | Restricted Stock Units [F6] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| May 1, 2012 | FFIV | Restricted Stock Units [F6] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| May 1, 2012 | FFIV | Restricted Stock Units [F6] | Common Stock (720) | $0.00 | — | 720 | Disposed |
| Feb. 1, 2012 | FFIV | Restricted Stock Units [F7] | Common Stock (394) | $0.00 | — | 394 | Disposed |
| Feb. 1, 2012 | FFIV | Restricted Stock Units [F7] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Feb. 1, 2012 | FFIV | Restricted Stock Units [F7] | Common Stock (720) | $0.00 | — | 720 | Disposed |
| Nov. 9, 2011 | FFIV | Restricted Stock Units [F1] | Common Stock (4,728) | $0.00 | — | 4,728 | Acquired |
| Nov. 1, 2011 | FFIV | Restricted Stock Units [F4] | Common Stock (676) | $0.00 | — | 676 | Disposed |
| Nov. 1, 2011 | FFIV | Restricted Stock Units [F4] | Common Stock (719) | $0.00 | — | 719 | Disposed |
| Aug. 1, 2011 | FFIV | Restricted Stock Units [F7] | Common Stock (8,114) | $0.00 | — | 8,114 | Acquired |
| Aug. 1, 2011 | FFIV | Restricted Stock Units [F7] | Common Stock (720) | $0.00 | — | 720 | Disposed |
| Aug. 1, 2011 | FFIV | Restricted Stock Units [F7] | Common Stock (2,500) | $0.00 | — | 2,500 | Disposed |
| May 1, 2011 | FFIV | Restricted Stock Units [F5] | Common Stock (719) | $0.00 | — | 719 | Disposed |
| May 1, 2011 | FFIV | Restricted Stock Units [F5,F6] | Common Stock (2,500) | $0.00 | — | 2,500 | Disposed |
| Feb. 1, 2011 | FFIV | Restricted Stock Units | Common Stock (1,481) | $0.00 | Aug. 2, 2020 | 1,481 | Disposed |
| Feb. 1, 2011 | FFIV | Restricted Stock Units | Common Stock (5,143) | $0.00 | Aug. 3, 2019 | 5,143 | Disposed |
| Nov. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (1,995) | $0.00 | Aug. 2, 2020 | 1,995 | Disposed |
| Nov. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (6,932) | $0.00 | Aug. 3, 2019 | 6,932 | Disposed |
| Aug. 2, 2010 | FFIV | Restricted Stock Units | Common Stock (10,000) | $0.00 | Aug. 2, 2020 | 10,000 | Acquired |
| Aug. 2, 2010 | FFIV | Restricted Stock Units | Common Stock (17,270) | $0.00 | Aug. 2, 2020 | 17,270 | Acquired |
| Aug. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (6,313) | $0.00 | Aug. 3, 2019 | 6,313 | Disposed |
| Aug. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (5,303) | $0.00 | Aug. 1, 2018 | 5,303 | Disposed |
| May 1, 2010 | FFIV | Restricted Stock Units | Common Stock (5,927) | $0.00 | Aug. 3, 2019 | 5,927 | Disposed |
| May 1, 2010 | FFIV | Restricted Stock Units | Common Stock (4,978) | $0.00 | Aug. 1, 2018 | 4,978 | Disposed |
| Feb. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (5,506) | $0.00 | Aug. 3, 2019 | 5,506 | Disposed |
| Feb. 1, 2010 | FFIV | Restricted Stock Units | Common Stock (4,625) | $0.00 | Aug. 1, 2018 | 4,625 | Disposed |
| Nov. 2, 2009 | FFIV | Non-Qualified Stock Options (right to buy) | Common Stock (113,000) | $11.40 | Aug. 16, 2014 | 113,000 | Disposed |
| Nov. 1, 2009 | FFIV | Restricted Stock Units | Common Stock (4,909) | $0.00 | Aug. 3, 2019 | 4,909 | Disposed |
| Nov. 1, 2009 | FFIV | Restricted Stock Units | Common Stock (4,123) | $0.00 | Aug. 1, 2018 | 4,123 | Disposed |
| Aug. 3, 2009 | FFIV | Restricted Stock Units | Common Stock (40,000) | $0.00 | Aug. 3, 2019 | 40,000 | Acquired |
| May 1, 2009 | FFIV | Restricted Stock Unit | Common Stock (2,100) | $0.00 | Aug. 1, 2018 | 2,100 | Disposed |
| May 1, 2009 | FFIV | Restricted Stock Unit | Common Stock (1,838) | $0.00 | Aug. 1, 2017 | 1,838 | Disposed |
| May 1, 2009 | FFIV | Restricted Stock Units | Common Stock (2,100) | $0.00 | Aug. 1, 2018 | 2,100 | Disposed |
| May 1, 2009 | FFIV | Restricted Stock Units | Common Stock (1,838) | $0.00 | Aug. 1, 2017 | 1,838 | Disposed |
| Nov. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (4,405) | $0.00 | Aug. 1, 2018 | 4,405 | Disposed |
| Nov. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (3,853) | $0.00 | Aug. 1, 2017 | 3,853 | Disposed |
| Nov. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (3,430) | $0.00 | Dec. 15, 2016 | 3,430 | Disposed |
| Aug. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (33,600) | $0.00 | Aug. 1, 2018 | 33,600 | Acquired |
| Aug. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (1,838) | $0.00 | Aug. 1, 2017 | 1,838 | Disposed |
| Aug. 1, 2008 | FFIV | Restricted Stock Units | Common Stock (6,219) | $0.00 | Dec. 15, 2016 | 6,219 | Disposed |
Showing latest 100 of 136 transactions
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 |
|---|---|---|---|---|
| Aug. 16, 2004 | FFIV | Non-Qualified Stock Option (right to buy) [F1]→ Common Stock (300,000) | 300,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2016 | $551,000 | — | — | — | $475,586 | — | $7,276 | $3,957,129 |
| 2015 | $534,759 | $1,500 | — | — | $474,709 | — | $17,665 | $3,607,751 |
| 2014 | $506,881 | — | — | — | $485,115 | — | $7,465 | $3,153,791 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.