Bertrand Loy
CIK 1197452 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 8, 2005 · Latest: Aug. 8, 2005
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
0 buys (P)
18 sells (S)
Net:
$-36,228,588
+ 50 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
50 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 17, 2026 | ENTG | S 10b5-1 | 44,138 | $144.41 | $6,373,969 | 227,527 Direct | -16.25% | Disposed | 0.3% (price as of 2026-08-21) |
| April 14, 2026 | ENTG | S 10b5-1 | 17,396 | $140.22 | $2,439,267 | 227,527 Direct | -7.10% | Disposed | 3.3% (price as of 2026-08-21) |
| Feb. 25, 2026 | ENTG | S 10b5-1 | 3,800 | $138.57 | $526,566 | 217,767 Direct | -1.72% | Disposed | 4.5% (price as of 2026-08-21) |
| Feb. 25, 2026 | ENTG | S 10b5-1 | 46,522 | $137.32 | $6,388,401 | 221,567 Direct | -17.35% | Disposed | 5.5% (price as of 2026-08-21) |
| Feb. 24, 2026 | ENTG | S 10b5-1 | 2,067 | $139.14 | $287,602 | 268,089 Direct | -0.77% | Disposed | 4.1% (price as of 2026-08-21) |
| Feb. 24, 2026 | ENTG | S 10b5-1 | 47,611 | $138.57 | $6,597,456 | 270,156 Direct | -14.98% | Disposed | 4.5% (price as of 2026-08-21) |
| Feb. 24, 2026 | ENTG | S 10b5-1 | 100 | $142.19 | $14,219 | 317,767 Direct | -0.03% | Disposed | 1.9% (price as of 2026-08-21) |
| Feb. 24, 2026 | ENTG | S 10b5-1 | 2,783 | $141.45 | $393,655 | 317,867 Direct | -0.87% | Disposed | 2.4% (price as of 2026-08-21) |
| Feb. 24, 2026 | ENTG | S 10b5-1 | 6,955 | $140.49 | $977,108 | 320,650 Direct | -2.12% | Disposed | 3.1% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 2,400 | $120.91 | $290,184 | 306,422 Direct | -0.78% | Disposed | 19.8% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 34,522 | $120.25 | $4,151,270 | 308,822 Direct | -10.05% | Disposed | 20.5% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 16,424 | $119.13 | $1,956,591 | 343,344 Direct | -4.57% | Disposed | 21.6% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 9,292 | $118.43 | $1,100,452 | 359,768 Direct | -2.52% | Disposed | 22.3% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 2,412 | $117.19 | $282,662 | 369,060 Direct | -0.65% | Disposed | 23.6% (price as of 2026-08-21) |
| Feb. 2, 2026 | ENTG | S 10b5-1 | 200 | $115.96 | $23,192 | 371,472 Direct | -0.05% | Disposed | 24.9% (price as of 2026-08-21) |
| Dec. 1, 2025 | ENTG | S 10b5-1 | 345 | $77.65 | $26,789 | 305,820 Direct | -0.11% | Disposed | 86.6% (price as of 2026-08-21) |
| Dec. 1, 2025 | ENTG | S 10b5-1 | 40,865 | $77.09 | $3,150,283 | 306,165 Direct | -11.78% | Disposed | 87.9% (price as of 2026-08-21) |
| Dec. 1, 2025 | ENTG | S 10b5-1 | 16,360 | $76.34 | $1,248,922 | 347,030 Direct | -4.50% | Disposed | 89.8% (price as of 2026-08-21) |
| July 3, 2024 | ENTG | S 10b5-1 | 500 | $142.12 | $71,060 | 263,068 Direct | -0.19% | Disposed | 1.9% (price as of 2026-08-21) |
| July 3, 2024 | ENTG | S 10b5-1 | 7,035 | $141.46 | $995,171 | 263,568 Direct | -2.60% | Disposed | 2.4% (price as of 2026-08-21) |
| July 3, 2024 | ENTG | S 10b5-1 | 19,509 | $140.29 | $2,736,918 | 270,603 Direct | -6.72% | Disposed | 3.3% (price as of 2026-08-21) |
| Aug. 26, 2022 | HBIO | P | 9,291 | $3.41 | $31,682 | 399,651 Direct | +2.38% | Acquired | -77.7% (price as of 2026-08-21) |
| Aug. 25, 2022 | HBIO | P | 8,244 | $3.34 | $27,535 | 390,360 Direct | +2.16% | Acquired | -77.3% (price as of 2026-08-21) |
| Aug. 24, 2022 | HBIO | P | 17,291 | $3.23 | $55,850 | 382,116 Direct | +4.74% | Acquired | -76.5% (price as of 2026-08-21) |
| Aug. 23, 2022 | HBIO | P | 8,939 | $3.23 | $28,873 | 364,825 Direct | +2.51% | Acquired | -76.5% (price as of 2026-08-21) |
| Aug. 22, 2022 | HBIO | P | 4,918 | $3.16 | $15,541 | 355,886 Direct | +1.40% | Acquired | -76.0% (price as of 2026-08-21) |
| Aug. 19, 2022 | HBIO | P | 9,608 | $3.28 | $31,514 | 350,968 Direct | +2.81% | Acquired | -76.9% (price as of 2026-08-21) |
| Aug. 18, 2022 | HBIO | P | 1,151 | $3.19 | $3,672 | 341,360 Direct | +0.34% | Acquired | -76.2% (price as of 2026-08-21) |
| Aug. 11, 2021 | ENTG | S | 200 | $119.98 | $23,996 | 0 Indirect | -100.00% | Disposed | 20.7% (price as of 2026-08-21) |
| Aug. 11, 2021 | ENTG | S | 2,540 | $119.26 | $302,920 | 200 Indirect | -92.70% | Disposed | 21.5% (price as of 2026-08-21) |
| Aug. 11, 2021 | ENTG | S | 1,860 | $118.09 | $219,647 | 2,740 Indirect | -40.43% | Disposed | 22.7% (price as of 2026-08-21) |
| Aug. 11, 2021 | ENTG | S | 1,900 | $117.04 | $222,376 | 4,600 Indirect | -29.23% | Disposed | 23.8% (price as of 2026-08-21) |
| Aug. 11, 2021 | ENTG | S | 17,210 | $116.04 | $1,997,048 | 6,500 Indirect | -72.59% | Disposed | 24.8% (price as of 2026-08-21) |
| Aug. 10, 2021 | ENTG | S | 53,759 | $119.87 | $6,444,091 | 34,951 Indirect | -60.60% | Disposed | 20.8% (price as of 2026-08-21) |
| Aug. 10, 2021 | ENTG | S | 10,441 | $120.74 | $1,260,646 | 24,510 Indirect | -29.87% | Disposed | 20.0% (price as of 2026-08-21) |
| Aug. 10, 2021 | ENTG | S | 800 | $121.64 | $97,312 | 23,710 Indirect | -3.26% | Disposed | 19.1% (price as of 2026-08-21) |
| Aug. 9, 2021 | ENTG | S | 300 | $122.86 | $36,858 | 88,710 Indirect | -0.34% | Disposed | 17.9% (price as of 2026-08-21) |
| Aug. 9, 2021 | ENTG | S | 47,225 | $121.66 | $5,745,394 | 89,010 Indirect | -34.66% | Disposed | 19.1% (price as of 2026-08-21) |
| Aug. 9, 2021 | ENTG | S | 17,475 | $121.03 | $2,114,999 | 136,235 Indirect | -11.37% | Disposed | 19.7% (price as of 2026-08-21) |
| Aug. 9, 2021 | ENTG | S | 7,074 | $121.65 | $860,552 | 174,100 Direct | -3.90% | Disposed | 19.1% (price as of 2026-08-21) |
| Aug. 9, 2021 | ENTG | S | 2,732 | $121.01 | $330,599 | 181,174 Direct | -1.49% | Disposed | 19.7% (price as of 2026-08-21) |
| Aug. 4, 2021 | ENTG | S | 900 | $126.12 | $113,508 | 183,906 Direct | -0.49% | Disposed | 14.9% (price as of 2026-08-21) |
| Aug. 4, 2021 | ENTG | S | 37,178 | $125.41 | $4,662,493 | 155,710 Indirect | -19.27% | Disposed | 15.5% (price as of 2026-08-21) |
| Aug. 4, 2021 | ENTG | S | 2,000 | $126.10 | $252,200 | 153,710 Indirect | -1.28% | Disposed | 14.9% (price as of 2026-08-21) |
| Aug. 4, 2021 | ENTG | S | 16,100 | $125.38 | $2,018,618 | 184,806 Direct | -8.01% | Disposed | 15.5% (price as of 2026-08-21) |
| April 14, 2021 | ENTG | S 10b5-1 | 15,153 | $119.29 | $1,807,601 | 200,906 Direct | -7.01% | Disposed | 21.4% (price as of 2026-08-21) |
| April 14, 2021 | ENTG | S 10b5-1 | 58,055 | $118.51 | $6,880,098 | 216,059 Direct | -21.18% | Disposed | 22.2% (price as of 2026-08-21) |
| April 14, 2021 | ENTG | S 10b5-1 | 26,792 | $117.78 | $3,155,562 | 274,114 Direct | -8.90% | Disposed | 23.0% (price as of 2026-08-21) |
| April 13, 2021 | ENTG | S 10b5-1 | 400 | $120.52 | $48,208 | 300,906 Direct | -0.13% | Disposed | 20.2% (price as of 2026-08-21) |
| April 13, 2021 | ENTG | S 10b5-1 | 3,400 | $119.46 | $406,164 | 301,306 Direct | -1.12% | Disposed | 21.3% (price as of 2026-08-21) |
Showing latest 100 of 446 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 |
|---|---|---|---|---|---|---|---|
| May 15, 2026 | ASH | Restricted Stock Units | Common Stock (1,741) | — | — | 1,741 | Acquired |
| April 17, 2026 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (44,138) | $98.11 | Feb. 19, 2028 | 44,138 | Disposed |
| April 14, 2026 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (17,396) | $98.11 | Feb. 19, 2028 | 17,396 | Disposed |
| Feb. 24, 2026 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (9,838) | $98.11 | Feb. 19, 2028 | 9,838 | Disposed |
| Feb. 2, 2026 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (65,250) | $55.72 | Feb. 19, 2027 | 65,250 | Disposed |
| Dec. 1, 2025 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (57,570) | $33.33 | Feb. 19, 2026 | 57,570 | Disposed |
| April 1, 2025 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (96,812) | $86.20 | April 1, 2032 | 96,812 | Acquired |
| July 3, 2024 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (27,044) | $31.10 | Feb. 19, 2025 | 27,044 | Disposed |
| April 1, 2024 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (65,880) | $140.62 | April 1, 2031 | 65,880 | Acquired |
| Jan. 31, 2023 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (91,704) | $80.71 | Feb. 19, 2030 | 91,704 | Acquired |
| Feb. 1, 2022 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (60,392) | $128.44 | Feb. 19, 2029 | 60,392 | Acquired |
| April 5, 2021 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (21,750) | $55.72 | Feb. 19, 2027 | 21,750 | Disposed |
| April 5, 2021 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (57,570) | $33.33 | Feb. 19, 2026 | 57,570 | Disposed |
| April 5, 2021 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (81,132) | $31.10 | Feb. 19, 2025 | 81,132 | Disposed |
| April 5, 2021 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (139,992) | $21.60 | Feb. 19, 2024 | 139,992 | Disposed |
| Feb. 2, 2021 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (71,372) | $98.11 | Feb. 19, 2028 | 71,372 | Acquired |
| July 30, 2020 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (257,928) | $12.20 | Feb. 19, 2023 | 257,928 | Disposed |
| July 24, 2020 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (170,988) | $13.49 | Feb. 19, 2022 | 170,988 | Disposed |
| Feb. 4, 2020 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (87,000) | $55.72 | Feb. 19, 2027 | 87,000 | Acquired |
| Feb. 5, 2019 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (115,140) | $33.33 | Feb. 19, 2026 | 115,140 | Acquired |
| Feb. 20, 2018 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (263,140) | $11.71 | Feb. 19, 2021 | 263,140 | Disposed |
| Feb. 20, 2018 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (236,844) | $9.88 | Feb. 19, 2020 | 236,844 | Disposed |
| Feb. 20, 2018 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (81,918) | $9.27 | Feb. 19, 2019 | 81,918 | Disposed |
| Feb. 12, 2018 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (108,176) | $31.10 | Feb. 19, 2025 | 108,176 | Acquired |
| Feb. 14, 2017 | ENTG | Employee Stock (Right to Buy) | Common Stock (139,992) | $21.60 | Feb. 19, 2024 | 139,992 | Acquired |
| Aug. 1, 2016 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (81,204) | $8.76 | Feb. 19, 2018 | 81,204 | Disposed |
| Aug. 1, 2016 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (62,366) | $5.40 | Feb. 19, 2017 | 62,366 | Disposed |
| Feb. 24, 2016 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (257,928) | $12.20 | Feb. 19, 2023 | 257,928 | Acquired |
| Feb. 19, 2015 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (70,000) | $7.07 | Feb. 21, 2015 | 70,000 | Disposed |
| Feb. 10, 2015 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (170,988) | $13.49 | Feb. 19, 2022 | 170,988 | Acquired |
| Nov. 13, 2014 | HBIO | Non-Qualified Stock Option (right to buy) | Common Stock, par value $0.01 per share (55,300) | $4.84 | Nov. 13, 2024 | 55,300 | Acquired |
| Feb. 11, 2014 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (263,140) | $11.71 | Feb. 19, 2021 | 263,140 | Acquired |
| Feb. 12, 2013 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (236,844) | $9.88 | Feb. 19, 2020 | 236,844 | Acquired |
| Feb. 22, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (41,367) | $1.13 | Feb. 19, 2016 | 41,367 | Disposed |
| Feb. 22, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (7,300) | $5.40 | Feb. 19, 2017 | 7,300 | Disposed |
| Feb. 21, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (16,966) | $1.13 | Feb. 19, 2016 | 16,966 | Disposed |
| Feb. 16, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (34,834) | $5.40 | Feb. 19, 2017 | 34,834 | Disposed |
| Feb. 16, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (150,000) | $6.43 | July 7, 2015 | 150,000 | Disposed |
| Feb. 15, 2012 | ENTG | Employee Stock Option | Common Stock (81,918) | $9.27 | Feb. 19, 2019 | 81,918 | Acquired |
| May 16, 2011 | ENTG | Common Stock | Common Stock (58,333) | $1.13 | Feb. 19, 2016 | 58,333 | Disposed |
| Feb. 22, 2011 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (81,204) | $8.76 | Feb. 19, 2018 | 81,204 | Acquired |
| Feb. 22, 2011 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (81,204) | $8.76 | Feb. 19, 2017 | 81,204 | Acquired |
| Dec. 2, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (58,334) | $1.13 | Feb. 19, 2016 | 58,334 | Disposed |
| Dec. 1, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (18,873) | $6.10 | Dec. 7, 2010 | 18,873 | Disposed |
| Jan. 4, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (104,500) | $5.40 | Feb. 19, 2017 | 104,500 | Acquired |
| Jan. 4, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (104,500) | $5.40 | Feb. 19, 2017 | 104,500 | Acquired |
| Dec. 15, 2009 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (4,158) | $4.89 | Dec. 18, 2009 | 4,158 | Disposed |
| Dec. 14, 2009 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (5,400) | $4.89 | Dec. 18, 2009 | 5,400 | Disposed |
| Feb. 10, 2009 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (175,000) | $1.13 | Feb. 19, 2016 | 175,000 | Acquired |
| July 7, 2008 | ENTG | Employee Stock Option | Common Stock (150,000) | $6.43 | July 7, 2015 | 150,000 | Acquired |
| Feb. 21, 2008 | ENTG | Employee Stock Option (right to buy) | Common Stock (70,000) | $7.07 | Feb. 21, 2015 | 70,000 | Acquired |
| May 2, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (30,406) | $10.79 | Aug. 10, 2008 | 30,406 | Disposed |
| May 2, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (13,718) | $8.35 | Nov. 29, 2008 | 13,718 | Disposed |
| April 26, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (10,469) | $8.35 | Nov. 29, 2008 | 10,469 | Disposed |
| April 25, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (6,219) | $8.35 | Nov. 29, 2008 | 6,219 | Disposed |
| April 25, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (43,002) | $4.89 | Dec. 18, 2009 | 43,002 | Disposed |
| April 25, 2007 | ENTG | Employee Stock Option (Right to Buy) | Common Stock (60) | $10.79 | Aug. 10, 2007 | 60 | Disposed |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (30,406) | $10.79 | Aug. 10, 2008 | 30,406 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (59) | $10.79 | Aug. 10, 2007 | 59 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (30,406) | $8.35 | Nov. 29, 2008 | 30,406 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (18,879) | $6.10 | Dec. 7, 2010 | 18,879 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (52,560) | $4.89 | Dec. 18, 2009 | 52,560 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock (76,450) | $11.12 | Dec. 4, 2010 | 76,450 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
ENTG
Chief ExecutiveOfficer| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2017 | — | — | — | — | — | — | — | — |
| 2015 | — | — | — | — | — | — | — | — |
| 2011 | — | — | — | — | — | — | — | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.