John Deren
CIK 1706189 · View on SEC EDGAR ↗
Insider
First SEC filing: May 11, 2017 · Latest: March 3, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 57 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
57 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2020 | TFX | S | 267 | $329.67 | $88,022 | 986 Direct | -21.31% | Disposed | -58.5% (price as of 2026-08-20) |
| May 5, 2020 | TFX | S | 826 | $330.24 | $272,778 | 1,253 Direct | -39.73% | Disposed | -58.6% (price as of 2026-08-20) |
| Feb. 28, 2020 | TFX | S | 2,184 | $346.17 | $756,035 | 2,079 Direct | -51.23% | Disposed | -60.5% (price as of 2026-08-20) |
| Aug. 14, 2019 | TFX | S | 403 | $365.53 | $147,309 | 2,011 Direct | -16.69% | Disposed | -62.6% (price as of 2026-08-20) |
| Aug. 14, 2019 | TFX | S | 1,601 | $364.95 | $584,285 | 2,414 Direct | -39.88% | Disposed | -62.5% (price as of 2026-08-20) |
| March 11, 2019 | TFX | S | 125 | $290.43 | $36,304 | 2,414 Direct | -4.92% | Disposed | -52.9% (price as of 2026-08-20) |
| March 6, 2019 | TFX | S | 5,051 | $287.18 | $1,450,546 | 1,185 Direct | -81.00% | Disposed | -52.4% (price as of 2026-08-20) |
| June 12, 2018 | TFX | S | 1,347 | $284.57 | $383,316 | 1,419 Direct | -48.70% | Disposed | -52.0% (price as of 2026-08-20) |
| Feb. 28, 2018 | TFX | S | 343 | $253.04 | $86,793 | 2,766 Direct | -11.03% | Disposed | -46.0% (price as of 2026-08-20) |
| Feb. 27, 2018 | TFX | S | 1,016 | $256.55 | $260,655 | 2,763 Direct | -26.89% | Disposed | -46.7% (price as of 2026-08-20) |
| May 9, 2017 | TFX | S | 100 | $194.07 | $19,407 | 3,989 Direct | -2.45% | Disposed | -29.6% (price as of 2026-08-20) |
| May 9, 2017 | TFX | S | 888 | $194.09 | $172,352 | 4,089 Direct | -17.84% | Disposed | -29.6% (price as of 2026-08-20) |
| May 9, 2017 | TFX | S | 1,258 | $194.06 | $244,127 | 4,977 Direct | -20.18% | Disposed | -29.5% (price as of 2026-08-20) |
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 4, 2025 | TFX | Stock Option / (Right to Buy) | Common Stock (18,896) | $130.79 | March 4, 2035 | 18,896 | Acquired |
| Feb. 27, 2024 | TFX | Stock Option / (Right to Buy) | Common Stock (2,957) | $226.04 | Feb. 27, 2034 | 2,957 | Acquired |
| Feb. 27, 2024 | TFX | Stock Option / (Right to Buy) | Common Stock (2,957) | $226.04 | Feb. 27, 2034 | 2,957 | Acquired |
| Feb. 28, 2023 | TFX | Stock Option / (Right to Buy) | Common Stock (2,886) | $238.23 | Feb. 28, 2033 | 2,886 | Acquired |
| March 1, 2022 | TFX | Stock Option / (Right to Buy) | Common Stock (2,441) | $333.24 | March 1, 2032 | 2,441 | Acquired |
| Aug. 24, 2021 | TFX | Stock Option / (Right to Buy) | Common Stock (325) | $386.17 | Aug. 24, 2031 | 325 | Acquired |
| March 2, 2021 | TFX | Stock Option / (Right to Buy) | Common Stock (1,759) | $403.78 | March 2, 2031 | 1,759 | Acquired |
| Feb. 28, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock (969) | $253.72 | Feb. 27, 2028 | 969 | Disposed |
| Feb. 28, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock (1,215) | $191.18 | Feb. 28, 2027 | 1,215 | Disposed |
| Feb. 25, 2020 | TFX | Stock Option / (Right to Buy) | Common Stock (2,167) | $348.11 | Feb. 25, 2030 | 2,167 | Acquired |
| Aug. 14, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (969) | $253.72 | Feb. 27, 2028 | 969 | Disposed |
| Aug. 14, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (632) | $194.40 | May 9, 2027 | 632 | Disposed |
| March 11, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (826) | $121.00 | Feb. 25, 2025 | 826 | Disposed |
| March 7, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (2,430) | $191.18 | Feb. 28, 2027 | 2,430 | Disposed |
| March 6, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (1,124) | $121.00 | Feb. 25, 2025 | 1,124 | Disposed |
| March 6, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (3,543) | $144.79 | March 1, 2026 | 3,543 | Disposed |
| Feb. 26, 2019 | TFX | Stock Option / (Right to Buy) | Common Stock (2,762) | $288.38 | Feb. 26, 2029 | 2,762 | Acquired |
| Feb. 27, 2018 | TFX | Stock Option / (Right to Buy) | Common Stock (2,908) | $253.72 | Feb. 27, 2028 | 2,908 | Acquired |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock (988) | $101.12 | Feb. 26, 2024 | 988 | Disposed |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock (1,258) | $79.48 | July 29, 2023 | 1,258 | Disposed |
| May 9, 2017 | TFX | Stock Option / (Right to Buy) | Common Stock (948) | $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)→ Common Stock (1,258) | 1,258 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy)→ Common Stock (988) | 988 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy)→ Common Stock (1,950) | 1,950 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy)→ Common Stock (3,543) | 3,543 | Direct |
| May 11, 2017 | TFX | Stock Option / (Right to Buy)→ Common Stock (3,645) | 3,645 | Direct |