Sean Biddlecombe
Insider
First SEC filing: Feb. 12, 2010 · Latest: Feb. 12, 2010
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-546,634
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 31, 2026 | GRMN | S | 986 | $292.88 | $288,780 | 6,021 Direct | -14.07% | Disposed | -4.0% (price as of 2026-10-02) |
| Feb. 25, 2026 | GRMN | F | 877 | $251.99 | $220,995 | 7,007 Direct | -11.12% | Disposed | 11.6% (price as of 2026-10-02) |
| Feb. 20, 2026 | GRMN | S | 1,071 | $240.76 | $257,854 | 7,884 Direct | -11.96% | Disposed | 16.8% (price as of 2026-10-02) |
| Feb. 18, 2026 | GRMN | A | 1,197 | · | · | 8,955 Direct | +15.43% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2025 | GRMN | A | 747 | · | · | 7,758 Direct | +10.65% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2025 | GRMN | F | 577 | $207.23 | $119,572 | 7,011 Direct | -7.60% | Disposed | 35.7% (price as of 2026-10-02) |
| Feb. 25, 2025 | GRMN | F | 689 | $226.04 | $155,742 | 7,588 Direct | -8.32% | Disposed | 24.4% (price as of 2026-10-02) |
| Feb. 19, 2025 | GRMN | A | 2,016 | · | · | 8,277 Direct | +32.20% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2024 | GRMN | A | 714 | · | · | 6,280 Direct | +12.83% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2024 | GRMN | F | 581 | $215.40 | $125,147 | 5,566 Direct | -9.45% | Disposed | 30.5% (price as of 2026-10-02) |
| Nov. 7, 2024 | GRMN | S | 587 | $210.10 | $123,329 | 6,147 Direct | -8.72% | Disposed | 33.8% (price as of 2026-10-02) |
| March 7, 2024 | GRMN | S | 632 | $140.13 | $88,562 | 6,734 Direct | -8.58% | Disposed | 100.6% (price as of 2026-10-02) |
| Feb. 25, 2024 | GRMN | F | 562 | $135.51 | $76,157 | 7,366 Direct | -7.09% | Disposed | 107.5% (price as of 2026-10-02) |
| Feb. 21, 2024 | GRMN | A | 2,376 | · | · | 7,928 Direct | +42.80% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | GRMN | A | 1,242 | · | · | 5,552 Direct | +28.82% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | GRMN | F | 524 | $126.13 | $66,092 | 4,310 Direct | -10.84% | Disposed | 122.9% (price as of 2026-10-02) |
| Aug. 4, 2023 | GRMN | S | 857 | $106.02 | $90,859 | 4,834 Direct | -15.06% | Disposed | 165.2% (price as of 2026-10-02) |
| Feb. 25, 2023 | GRMN | F | 458 | $98.30 | $45,021 | 5,672 Direct | -7.47% | Disposed | 186.0% (price as of 2026-10-02) |
| Feb. 25, 2023 | GRMN | F | 439 | $98.30 | $43,154 | 5,691 Direct | -7.16% | Disposed | 186.0% (price as of 2026-10-02) |
| Feb. 24, 2023 | GRMN | S | 867 | $98.71 | $85,582 | 6,130 Direct | -12.39% | Disposed | 184.8% (price as of 2026-10-02) |
| Feb. 24, 2023 | GRMN | S | 867 | $98.71 | $85,582 | 6,130 Direct | -12.39% | Disposed | 184.8% (price as of 2026-10-02) |
| Dec. 15, 2022 | GRMN | A | 1,719 | · | · | 6,997 Direct | +32.57% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2022 | GRMN | F | 423 | $92.72 | $39,221 | 5,278 Direct | -7.42% | Disposed | 203.2% (price as of 2026-10-02) |
| Feb. 25, 2022 | GRMN | F | 656 | $111.83 | $73,360 | 5,701 Direct | -10.32% | Disposed | 151.4% (price as of 2026-10-02) |
| Feb. 16, 2022 | GRMN | A | 1,206 | · | · | 6,357 Direct | +23.41% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2021 | GRMN | A | 738 | · | · | 5,151 Direct | +16.72% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2021 | GRMN | F | 500 | $135.43 | $67,715 | 4,413 Direct | -10.18% | Disposed | 107.6% (price as of 2026-10-02) |
| Aug. 4, 2021 | GRMN | S | 405 | $161.14 | $65,262 | 4,913 Direct | -7.62% | Disposed | 74.5% (price as of 2026-10-02) |
| April 30, 2021 | GRMN | S | 1,079 | $137.56 | $148,427 | 5,318 Direct | -16.87% | Disposed | 104.4% (price as of 2026-10-02) |
| Feb. 25, 2021 | GRMN | F | 746 | $124.34 | $92,758 | 9,389 Direct | -7.36% | Disposed | 126.1% (price as of 2026-10-02) |
| Feb. 17, 2021 | GRMN | A | 1,715 | · | · | 10,135 Direct | +20.37% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2020 | GRMN | A | 876 | · | · | 8,420 Direct | +11.61% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2020 | GRMN | F | 578 | $119.19 | $68,892 | 7,544 Direct | -7.12% | Disposed | 135.9% (price as of 2026-10-02) |
| Aug. 13, 2020 | GRMN | S | 1,450 | $103.26 | $149,727 | 8,122 Direct | -15.15% | Disposed | 172.3% (price as of 2026-10-02) |
| Feb. 25, 2020 | GRMN | F | 636 | $92.00 | $58,512 | 9,572 Direct | -6.23% | Disposed | 205.6% (price as of 2026-10-02) |
| Feb. 25, 2020 | GRMN | A | 1,257 | · | · | 10,208 Direct | +14.04% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2020 | GRMN | S | 652 | $99.33 | $64,763 | 8,951 Direct | -6.79% | Disposed | 183.1% (price as of 2026-10-02) |
| Dec. 15, 2019 | GRMN | F | 582 | $97.43 | $56,704 | 8,529 Direct | -6.39% | Disposed | 188.6% (price as of 2026-10-02) |
| Dec. 15, 2019 | GRMN | A | 1,074 | · | · | 9,603 Direct | +12.59% | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2019 | GRMN | S | 316 | $80.39 | $25,403 | 9,111 Direct | -3.35% | Disposed | 249.7% (price as of 2026-10-02) |
| Feb. 25, 2019 | GRMN | F | 654 | $83.55 | $54,642 | 9,427 Direct | -6.49% | Disposed | 236.5% (price as of 2026-10-02) |
| Feb. 25, 2019 | GRMN | A | 1,776 | · | · | 10,081 Direct | +21.38% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2019 | GRMN | S | 1,500 | $83.51 | $125,265 | 8,305 Direct | -15.30% | Disposed | 236.7% (price as of 2026-10-02) |
| Dec. 15, 2018 | GRMN | A | 1,227 | · | · | 9,805 Direct | +14.30% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2018 | GRMN | F | 622 | $65.14 | $40,517 | 8,578 Direct | -6.76% | Disposed | 331.6% (price as of 2026-10-02) |
| Aug. 3, 2018 | GRMN | S | 745 | $64.88 | $48,336 | 9,200 Direct | -7.49% | Disposed | 333.4% (price as of 2026-10-02) |
| Aug. 3, 2018 | GRMN | S | 563 | $64.89 | $36,533 | 9,945 Direct | -5.36% | Disposed | 333.3% (price as of 2026-10-02) |
| Feb. 25, 2018 | GRMN | F | 377 | $60.35 | $22,752 | 10,508 Direct | -3.46% | Disposed | 365.9% (price as of 2026-10-02) |
| Feb. 25, 2018 | GRMN | A | 1,020 | · | · | 10,885 Direct | +10.34% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2017 | GRMN | A | 1,377 | · | · | 9,865 Direct | +16.22% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2017 | GRMN | F | 554 | $58.36 | $32,331 | 8,488 Direct | -6.13% | Disposed | 381.8% (price as of 2026-10-02) |
| Dec. 13, 2017 | GRMN | S | 755 | $60.80 | $45,904 | 9,042 Direct | -7.71% | Disposed | 362.4% (price as of 2026-10-02) |
| Aug. 4, 2017 | GRMN | S | 1,697 | $51.83 | $87,956 | 9,797 Direct | -14.76% | Disposed | 442.5% (price as of 2026-10-02) |
| Feb. 25, 2017 | GRMN | F | 217 | $53.03 | $11,508 | 11,494 Direct | -1.85% | Disposed | 430.2% (price as of 2026-10-02) |
| Feb. 25, 2017 | GRMN | A | 1,377 | · | · | 11,711 Direct | +13.32% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2016 | GRMN | A | 1,098 | · | · | 10,334 Direct | +11.89% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2016 | GRMN | F | 379 | $49.42 | $18,730 | 9,236 Direct | -3.94% | Disposed | 468.9% (price as of 2026-10-02) |
| Dec. 14, 2016 | GRMN | F | 125 | $49.75 | $6,219 | 9,615 Direct | -1.28% | Disposed | 465.1% (price as of 2026-10-02) |
| Dec. 10, 2016 | GRMN | F | 192 | $50.50 | $9,696 | 9,740 Direct | -1.93% | Disposed | 456.8% (price as of 2026-10-02) |
| Aug. 17, 2016 | GRMN | S | 425 | $54.52 | $23,171 | 9,932 Direct | -4.10% | Disposed | 415.7% (price as of 2026-10-02) |
| Dec. 15, 2015 | GRMN | A | 1,485 | · | · | 10,357 Direct | +16.74% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2015 | GRMN | F | 147 | $35.38 | $5,201 | 8,872 Direct | -1.63% | Disposed | 694.7% (price as of 2026-10-02) |
| Dec. 14, 2015 | GRMN | F | 125 | $34.88 | $4,360 | 9,019 Direct | -1.37% | Disposed | 706.1% (price as of 2026-10-02) |
| Dec. 10, 2015 | GRMN | F | 548 | $37.31 | $20,446 | 9,144 Direct | -5.65% | Disposed | 653.6% (price as of 2026-10-02) |
| Dec. 15, 2014 | GRMN | A | 942 | · | · | 9,960 Direct | +10.45% | Acquired | (price as of 2026-10-02) |
| Nov. 19, 2014 | GRMN | S | 2,053 | $58.38 | $119,854 | 9,839 Direct | -17.26% | Disposed | 381.6% (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | S | 827 | $51.91 | $42,930 | 11,441 Direct | -6.74% | Disposed | 441.6% (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | S | 1,290 | $51.82 | $66,848 | 12,268 Direct | -9.51% | Disposed | 442.6% (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 87 | · | · | 13,558 Direct | +0.65% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 78 | · | · | 13,471 Direct | +0.58% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2014 | GRMN | M | 662 | · | · | 13,393 Direct | +5.20% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2013 | GRMN | F | 125 | $47.05 | $5,881 | 12,731 Direct | -0.97% | Disposed | 497.6% (price as of 2026-10-02) |
| Dec. 12, 2013 | GRMN | F | 352 | $47.51 | $16,724 | 12,856 Direct | -2.67% | Disposed | 491.8% (price as of 2026-10-02) |
| Dec. 11, 2013 | GRMN | F | 148 | $48.64 | $7,199 | 13,208 Direct | -1.11% | Disposed | 478.0% (price as of 2026-10-02) |
| Dec. 10, 2013 | GRMN | F | 356 | $49.07 | $17,469 | 13,356 Direct | -2.60% | Disposed | 473.0% (price as of 2026-10-02) |
| Dec. 10, 2013 | GRMN | A | 1,227 | · | · | 13,712 Direct | +9.83% | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | S | 3,049 | $40.44 | $123,302 | 9,239 Direct | -24.81% | Disposed | 595.3% (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | F | 3,246 | $40.44 | $131,268 | 12,288 Direct | -20.90% | Disposed | 595.3% (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | F | 1,054 | $40.44 | $42,624 | 14,480 Direct | -6.79% | Disposed | 595.3% (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | S | 1,995 | $40.44 | $80,678 | 12,485 Direct | -13.78% | Disposed | 595.3% (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | M | 388 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | M | 4,300 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | M | 4,300 | $30.66 | $131,838 | 15,534 Direct | +38.28% | Acquired | 817.0% (price as of 2026-10-02) |
| Aug. 22, 2013 | GRMN | M | 388 | $27.13 | $10,526 | 11,234 Direct | +3.58% | Acquired | 936.3% (price as of 2026-10-02) |
| Dec. 20, 2012 | GRMN | M | 5,400 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 20, 2012 | GRMN | M | 3,618 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 20, 2012 | GRMN | S | 9,018 | $41.74 | $376,411 | 10,105 Direct | -47.16% | Disposed | 573.6% (price as of 2026-10-02) |
| Dec. 20, 2012 | GRMN | M | 5,400 | $19.94 | $107,676 | 19,123 Direct | +39.35% | Acquired | 1310.0% (price as of 2026-10-02) |
| Dec. 20, 2012 | GRMN | M | 3,618 | $27.27 | $98,663 | 13,723 Direct | +35.80% | Acquired | 931.0% (price as of 2026-10-02) |
| Dec. 10, 2012 | GRMN | F | 173 | $41.82 | $7,235 | 10,798 Direct | -1.58% | Disposed | 572.3% (price as of 2026-10-02) |
| Dec. 10, 2012 | GRMN | A | 1,281 | · | · | 10,971 Direct | +13.22% | Acquired | (price as of 2026-10-02) |
| March 20, 2012 | GRMN | S | 1,217 | $46.95 | $57,138 | 9,225 Direct | -11.65% | Disposed | 498.8% (price as of 2026-10-02) |
| March 16, 2012 | GRMN | M | 1,200 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 16, 2012 | GRMN | M | 4,700 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 16, 2012 | GRMN | S | 1,200 | $46.73 | $56,076 | 10,442 Direct | -10.31% | Disposed | 501.7% (price as of 2026-10-02) |
| March 16, 2012 | GRMN | M | 1,200 | $14.90 | $17,880 | 11,642 Direct | +11.49% | Acquired | 1787.0% (price as of 2026-10-02) |
| March 16, 2012 | GRMN | F | 1,318 | $46.88 | $61,788 | 10,442 Direct | -11.21% | Disposed | 499.7% (price as of 2026-10-02) |
Showing latest 100 of 112 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 |
|---|---|---|---|---|---|---|---|
| Feb. 21, 2014 | GRMN | Stock-settled stock appreciation right | Registered Shares | $50.97 | June 6, 2018 | 5,000 | Disposed |
| Feb. 21, 2014 | GRMN | Stock-settled stock appreciation right | Registered Shares | $51.07 | Dec. 5, 2016 | 5,000 | Disposed |
| Feb. 21, 2014 | GRMN | Stock-settled stock appreciation right | Registered Shares | $46.15 | June 9, 2016 | 6,000 | Disposed |
| Aug. 22, 2013 | GRMN | Employee stock option (right to buy) | Registered Shares | $27.13 | Dec. 23, 2006 | 388 | Disposed |
| Aug. 22, 2013 | GRMN | Stock Appreciation Right | Registered Shares | $30.66 | Dec. 16, 2006 | 4,300 | Disposed |
| Dec. 20, 2012 | GRMN | Employee stock option (right to buy) | Registered Shares | $19.94 | Sept. 23, 2014 | 5,400 | Disposed |
| Dec. 20, 2012 | GRMN | Employee stock option (right to buy) | Registered Shares | $27.27 | Dec. 23, 2013 | 3,618 | Disposed |
| March 16, 2012 | GRMN | Stock Option (right to buy) | Common Shares | $14.90 | Dec. 26, 2012 | 1,200 | Disposed |
| March 16, 2012 | GRMN | Stock Appreciation Right | Common Shares | $21.59 | June 23, 2015 | 4,700 | Disposed |
| Sept. 20, 2011 | GRMN | Employee Stock Option (right to buy) | Common Shares | $10.38 | Dec. 21, 2011 | 1,600 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 13 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 12, 2010 | GRMN | Common Shares | 6,630 | Direct |
| Feb. 12, 2010 | GRMN | Employee stock option (right to buy) | 1,600 | Direct |
| Feb. 12, 2010 | GRMN | Employee stock option (right to buy) | 1,200 | Direct |
| Feb. 12, 2010 | GRMN | Employee stock option (right to buy) | 388 | Direct |
| Feb. 12, 2010 | GRMN | Employee stock option (right to buy) | 3,618 | Direct |
| Feb. 12, 2010 | GRMN | Employee stock option (right to buy) | 5,400 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 4,700 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 4,300 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 6,000 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 5,000 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 5,000 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 5,000 | Direct |
| Feb. 12, 2010 | GRMN | Stock appreciation right | 5,000 | Direct |