John Deren
Insider
First SEC filing: May 11, 2017 · Latest: March 3, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | TFX | F | 229 | $119.18 | $27,292 | 18,073 Direct | -1.25% | Disposed | 5.1% (price as of 2026-10-05) |
| March 3, 2026 | TFX | A | 4,604 | · | · | 9,122 Direct | +101.90% | Acquired | (price as of 2026-10-05) |
| March 3, 2026 | TFX | A | 9,180 | · | · | 18,302 Direct | +100.64% | Acquired | (price as of 2026-10-05) |
| March 3, 2026 | TFX | A | 30,362 | · | · | 30,362 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2026 | TFX | F | 231 | $122.06 | $28,196 | 4,518 Direct | -4.86% | Disposed | 2.6% (price as of 2026-10-05) |
| Feb. 23, 2026 | TFX | A | 161 | · | · | 4,749 Direct | +3.51% | Acquired | (price as of 2026-10-05) |
| March 4, 2025 | TFX | A | 18,896 | · | · | 18,896 Direct | · | Acquired | (price as of 2026-10-05) |
| March 4, 2025 | TFX | A | 2,676 | · | · | 4,588 Direct | +139.96% | Acquired | (price as of 2026-10-05) |
| March 1, 2025 | TFX | F | 157 | $132.75 | $20,842 | 1,912 Direct | -7.59% | Disposed | -5.7% (price as of 2026-10-05) |
| Feb. 24, 2025 | TFX | A | 92 | · | · | 2,069 Direct | +4.65% | Acquired | (price as of 2026-10-05) |
| Aug. 24, 2024 | TFX | F | 16 | $242.41 | $3,879 | 1,977 Direct | -0.80% | Disposed | -48.3% (price as of 2026-10-05) |
| March 2, 2024 | TFX | F | 137 | $223.00 | $30,551 | 1,988 Direct | -6.45% | Disposed | -43.8% (price as of 2026-10-05) |
| Feb. 27, 2024 | TFX | A | 2,957 | · | · | 2,957 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2024 | TFX | A | 422 | · | · | 2,130 Direct | +24.71% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2024 | TFX | A | 2,957 | · | · | 2,957 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2024 | TFX | A | 417 | · | · | 2,125 Direct | +24.41% | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2024 | TFX | A | 113 | · | · | 1,708 Direct | +7.08% | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2023 | TFX | A | 2,886 | · | · | 2,886 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2023 | TFX | A | 414 | · | · | 1,595 Direct | +35.06% | Acquired | (price as of 2026-10-05) |
| Feb. 25, 2023 | TFX | F | 88 | $235.18 | $20,696 | 1,181 Direct | -6.93% | Disposed | -46.7% (price as of 2026-10-05) |
| March 1, 2022 | TFX | A | 2,441 | · | · | 2,441 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2022 | TFX | A | 298 | · | · | 1,269 Direct | +30.69% | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2022 | TFX | F | 121 | $343.01 | $41,504 | 971 Direct | -11.08% | Disposed | -63.5% (price as of 2026-10-05) |
| Feb. 28, 2022 | TFX | A | 3 | · | · | 1,092 Direct | +0.28% | Acquired | (price as of 2026-10-05) |
| Aug. 24, 2021 | TFX | A | 325 | · | · | 325 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 24, 2021 | TFX | A | 45 | · | · | 1,089 Direct | +4.31% | Acquired | (price as of 2026-10-05) |
| March 2, 2021 | TFX | A | 1,759 | · | · | 1,759 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2021 | TFX | A | 225 | · | · | 1,044 Direct | +27.47% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2021 | TFX | F | 129 | $398.12 | $51,357 | 819 Direct | -13.61% | Disposed | -68.5% (price as of 2026-10-05) |
| May 9, 2020 | TFX | F | 38 | $340.30 | $12,931 | 948 Direct | -3.85% | Disposed | -63.2% (price as of 2026-10-05) |
| May 5, 2020 | TFX | S | 267 | $329.67 | $88,022 | 986 Direct | -21.31% | Disposed | -62.0% (price as of 2026-10-05) |
| May 5, 2020 | TFX | S | 826 | $330.24 | $272,778 | 1,253 Direct | -39.73% | Disposed | -62.1% (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | M | 969 | · | · | 970 Direct | -49.97% | Disposed | (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | M | 1,215 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | S | 2,184 | $346.17 | $756,035 | 2,079 Direct | -51.23% | Disposed | -63.8% (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | M | 969 | $253.72 | $245,855 | 4,263 Direct | +29.42% | Acquired | -50.6% (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | M | 1,215 | $191.18 | $232,284 | 3,294 Direct | +58.44% | Acquired | -34.5% (price as of 2026-10-05) |
| Feb. 28, 2020 | TFX | F | 154 | $335.02 | $51,593 | 2,079 Direct | -6.90% | Disposed | -62.6% (price as of 2026-10-05) |
| Feb. 25, 2020 | TFX | A | 2,167 | · | · | 2,167 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 25, 2020 | TFX | A | 222 | · | · | 2,233 Direct | +11.04% | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | M | 969 | · | · | 1,939 Direct | -33.32% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | M | 632 | · | · | 316 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | S | 403 | $365.53 | $147,309 | 2,011 Direct | -16.69% | Disposed | -65.7% (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | S | 1,601 | $364.95 | $584,285 | 2,414 Direct | -39.88% | Disposed | -65.7% (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | M | 969 | $253.72 | $245,855 | 4,015 Direct | +31.81% | Acquired | -50.6% (price as of 2026-10-05) |
| Aug. 14, 2019 | TFX | M | 632 | $194.40 | $122,861 | 3,046 Direct | +26.18% | Acquired | -35.6% (price as of 2026-10-05) |
| March 11, 2019 | TFX | M | 826 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 11, 2019 | TFX | S | 125 | $290.43 | $36,304 | 2,414 Direct | -4.92% | Disposed | -56.9% (price as of 2026-10-05) |
| March 11, 2019 | TFX | M | 826 | $121.00 | $99,946 | 2,539 Direct | +48.22% | Acquired | 3.5% (price as of 2026-10-05) |
| March 7, 2019 | TFX | M | 2,430 | · | · | 1,215 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| March 7, 2019 | TFX | F | 1,902 | $285.81 | $543,611 | 1,713 Direct | -52.61% | Disposed | -56.2% (price as of 2026-10-05) |
| March 7, 2019 | TFX | M | 2,430 | $191.18 | $464,567 | 3,615 Direct | +205.06% | Acquired | -34.5% (price as of 2026-10-05) |
| March 6, 2019 | TFX | M | 1,124 | · | · | 826 Direct | -57.64% | Disposed | (price as of 2026-10-05) |
| March 6, 2019 | TFX | M | 3,543 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 6, 2019 | TFX | S | 5,051 | $287.18 | $1,450,546 | 1,185 Direct | -81.00% | Disposed | -56.4% (price as of 2026-10-05) |
| March 6, 2019 | TFX | M | 1,124 | $121.00 | $136,004 | 6,236 Direct | +21.99% | Acquired | 3.5% (price as of 2026-10-05) |
| March 6, 2019 | TFX | M | 3,543 | $144.79 | $512,991 | 5,112 Direct | +225.81% | Acquired | -13.5% (price as of 2026-10-05) |
| March 1, 2019 | TFX | F | 160 | $294.51 | $47,122 | 1,569 Direct | -9.25% | Disposed | -57.5% (price as of 2026-10-05) |
| Feb. 26, 2019 | TFX | A | 2,762 | · | · | 2,762 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 26, 2019 | TFX | A | 310 | · | · | 1,729 Direct | +21.85% | Acquired | (price as of 2026-10-05) |
| June 12, 2018 | TFX | S | 1,347 | $284.57 | $383,316 | 1,419 Direct | -48.70% | Disposed | -56.0% (price as of 2026-10-05) |
| Feb. 28, 2018 | TFX | S | 343 | $253.04 | $86,793 | 2,766 Direct | -11.03% | Disposed | -50.5% (price as of 2026-10-05) |
| Feb. 27, 2018 | TFX | A | 2,908 | · | · | 2,908 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2018 | TFX | A | 346 | · | · | 3,109 Direct | +12.52% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2018 | TFX | S | 1,016 | $256.55 | $260,655 | 2,763 Direct | -26.89% | Disposed | -51.2% (price as of 2026-10-05) |
| Feb. 23, 2018 | TFX | F | 210 | $255.27 | $53,607 | 3,779 Direct | -5.26% | Disposed | -50.9% (price as of 2026-10-05) |
| May 9, 2017 | TFX | M | 988 | $101.12 | $99,907 | 0 Direct | -100.00% | Disposed | 23.9% (price as of 2026-10-05) |
| May 9, 2017 | TFX | M | 1,258 | $79.48 | $99,986 | 0 Direct | -100.00% | Disposed | 57.6% (price as of 2026-10-05) |
| May 9, 2017 | TFX | A | 948 | · | · | 948 Direct | · | Acquired | (price as of 2026-10-05) |
| May 9, 2017 | TFX | S | 100 | $194.07 | $19,407 | 3,989 Direct | -2.45% | Disposed | -35.5% (price as of 2026-10-05) |
| May 9, 2017 | TFX | S | 888 | $194.09 | $172,352 | 4,089 Direct | -17.84% | Disposed | -35.5% (price as of 2026-10-05) |
| May 9, 2017 | TFX | S | 1,258 | $194.06 | $244,127 | 4,977 Direct | -20.18% | Disposed | -35.5% (price as of 2026-10-05) |
| May 9, 2017 | TFX | M | 988 | $101.12 | $99,907 | 6,235 Direct | +18.83% | Acquired | 23.9% (price as of 2026-10-05) |
| May 9, 2017 | TFX | M | 1,258 | $79.48 | $99,986 | 5,247 Direct | +31.54% | Acquired | 57.6% (price as of 2026-10-05) |
| May 9, 2017 | TFX | A | 108 | · | · | 3,989 Direct | +2.78% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| March 3, 2026 | TFX | Stock Option / (Right to Buy) | Common Stock | $122.19 | March 3, 2036 | 30,362 | Acquired |
| March 4, 2025 | TFX | Stock Option / (Right to Buy) | Common Stock | $130.79 | March 4, 2035 | 18,896 | Acquired |
| Feb. 27, 2024 | TFX | Stock Option / (Right to Buy) | Common Stock | $226.04 | Feb. 27, 2034 | 2,957 | Acquired |
| Feb. 27, 2024 | TFX | Stock Option / (Right to Buy) | Common Stock | $226.04 | Feb. 27, 2034 | 2,957 | Acquired |
| Feb. 28, 2023 | TFX | Stock Option / (Right to Buy) | Common Stock | $238.23 | Feb. 28, 2033 | 2,886 | Acquired |
| March 1, 2022 | TFX | Stock Option / (Right to Buy) | Common Stock | $333.24 | March 1, 2032 | 2,441 | Acquired |
| Aug. 24, 2021 | TFX | Stock Option / (Right to Buy) | Common Stock | $386.17 | Aug. 24, 2031 | 325 | Acquired |
| March 2, 2021 | TFX | Stock Option / (Right to Buy) | Common Stock | $403.78 | March 2, 2031 | 1,759 | Acquired |
| Feb. 28, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock | $253.72 | Feb. 27, 2028 | 969 | Disposed |
| Feb. 28, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock | $191.18 | Feb. 28, 2027 | 1,215 | Disposed |
| Feb. 25, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock | $348.11 | Feb. 25, 2030 | 2,167 | Acquired |
| Aug. 14, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $253.72 | Feb. 27, 2028 | 969 | Disposed |
| Aug. 14, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $194.40 | May 9, 2027 | 632 | Disposed |
| March 11, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $121.00 | Feb. 25, 2025 | 826 | Disposed |
| March 7, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $191.18 | Feb. 28, 2027 | 2,430 | Disposed |
| March 6, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $121.00 | Feb. 25, 2025 | 1,124 | Disposed |
| March 6, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $144.79 | March 1, 2026 | 3,543 | Disposed |
| Feb. 26, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock | $288.38 | Feb. 26, 2029 | 2,762 | Acquired |
| Feb. 27, 2018 | TFX | Stock Option / (Right to Buy) | Common Stock | $253.72 | Feb. 27, 2028 | 2,908 | Acquired |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock | $101.12 | Feb. 26, 2024 | 988 | Disposed |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock | $79.48 | July 29, 2023 | 1,258 | Disposed |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock | $194.40 | May 9, 2027 | 948 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 11, 2017 | TFX | Common Stock | 3,881 | Direct |
| May 11, 2017 | TFX | Common Stock | 4 | Indirect |
| May 11, 2017 | TFX | Stock Option / (Right to Buy) | 1,258 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy) | 988 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy) | 1,950 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy) | 3,543 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy) | 3,645 | Direct |