John James Sullivan
CIK 1305784 · View on SEC EDGAR ↗
First SEC filing: Dec. 5, 2025 · Latest: Dec. 5, 2025
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. 13, 2026 | MLAB | S | 7,093 | $112.80 | $800,090 | 17,834 Direct | -28.46% | Disposed | 7.0% (price as of 2026-08-20) |
| June 7, 2022 | MLAB | S | 5,192 | $207.76 | $1,078,690 | 23,857 Direct | -17.87% | Disposed | -41.9% (price as of 2026-08-20) |
| June 7, 2022 | MLAB | S 10b5-1 | 5,192 | $207.76 | $1,078,690 | 23,857 Direct | -17.87% | Disposed | -41.9% (price as of 2026-08-20) |
| Feb. 15, 2022 | MLAB | S 10b5-1 | 5,192 | $259.42 | $1,346,909 | 22,857 Direct | -18.51% | Disposed | -53.5% (price as of 2026-08-20) |
| Nov. 15, 2021 | MLAB | S 10b5-1 | 5,192 | $308.02 | $1,599,240 | 21,857 Direct | -19.19% | Disposed | -60.8% (price as of 2026-08-20) |
| Oct. 1, 2021 | MLAB | S 10b5-1 | 1,250 | $304.48 | $380,600 | 21,857 Direct | -5.41% | Disposed | -60.3% (price as of 2026-08-20) |
| Sept. 1, 2021 | MLAB | S 10b5-1 | 1,250 | $268.22 | $335,275 | 23,107 Direct | -5.13% | Disposed | -55.0% (price as of 2026-08-20) |
| Aug. 16, 2021 | MLAB | S | 5,192 | $272.16 | $1,413,055 | 23,357 Direct | -18.19% | Disposed | -55.6% (price as of 2026-08-20) |
| Aug. 2, 2021 | MLAB | S 10b5-1 | 1,250 | $290.47 | $363,088 | 23,049 Direct | -5.14% | Disposed | -58.4% (price as of 2026-08-20) |
| July 1, 2021 | MLAB | S 10b5-1 | 1,250 | $267.44 | $334,300 | 24,299 Direct | -4.89% | Disposed | -54.9% (price as of 2026-08-20) |
| June 8, 2021 | MLAB | S | 5,192 | $258.19 | $1,340,522 | 24,208 Direct | -17.66% | Disposed | -53.2% (price as of 2026-08-20) |
| June 1, 2021 | MLAB | S 10b5-1 | 2,215 | $251.46 | $556,984 | 24,208 Direct | -8.38% | Disposed | -52.0% (price as of 2026-08-20) |
| May 6, 2021 | MLAB | S 10b5-1 | 200 | $250.05 | $50,010 | 32,859 Direct | -0.60% | Disposed | -51.7% (price as of 2026-08-20) |
| May 5, 2021 | MLAB | S 10b5-1 | 100 | $250.59 | $25,059 | 33,059 Direct | -0.30% | Disposed | -51.8% (price as of 2026-08-20) |
| May 4, 2021 | MLAB | S 10b5-1 | 735 | $250.14 | $183,853 | 33,159 Direct | -2.17% | Disposed | -51.7% (price as of 2026-08-20) |
| April 5, 2021 | MLAB | S 10b5-1 | 500 | $250.76 | $125,380 | 33,894 Direct | -1.45% | Disposed | -51.9% (price as of 2026-08-20) |
| April 5, 2021 | MLAB | S 10b5-1 | 500 | $250.76 | $125,380 | 57,458 Direct | -0.86% | Disposed | -51.9% (price as of 2026-08-20) |
| March 1, 2021 | MLAB | S 10b5-1 | 1,250 | $273.94 | $342,425 | 57,958 Direct | -2.11% | Disposed | -55.9% (price as of 2026-08-20) |
| Feb. 1, 2021 | MLAB | S 10b5-1 | 1,250 | $277.67 | $347,088 | 59,208 Direct | -2.07% | Disposed | -56.5% (price as of 2026-08-20) |
Showing latest 100 of 252 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. 15, 2026 | MLAB | Restricted Stock Units - 10 | Common Stock (2,784) | — | — | 2,784 | Disposed |
| Aug. 15, 2025 | MLAB | Restricted Stock Units - 10 | Common Stock (2,784) | — | — | 2,784 | Acquired |
| Aug. 15, 2025 | MLAB | Restricted Stock Units - 9 | Common Stock (1,404) | — | — | 1,404 | Disposed |
| Sept. 1, 2024 | MLAB | Restricted Stock Units - 8 | Common Stock (1,074) | — | — | 1,074 | Disposed |
| Aug. 15, 2024 | MLAB | Restricted Stock Units - 9 | Common Stock (1,404) | — | — | 1,404 | Acquired |
| April 2, 2024 | MLAB | Non Qualified Stock Option | Common Stock (450) | $142.40 | April 2, 2024 | 450 | Disposed |
| Sept. 1, 2023 | MLAB | Restricted Stock Units - 8 | Common Stock (1,074) | — | — | 1,074 | Acquired |
| Aug. 15, 2023 | MLAB | Restricted Stock Units - 7 | Common Stock (754) | — | — | 754 | Disposed |
| June 16, 2023 | MLAB | Restricted Stock Unit - 1 | Common Stock (15) | — | — | 15 | Disposed |
| June 15, 2023 | MLAB | Restricted Stock Units -1 | Common Stock (15) | — | — | 15 | Disposed |
| Sept. 1, 2022 | MLAB | Restricted Stock Units - 6 | Common Stock (787) | — | — | 787 | Disposed |
| Aug. 15, 2022 | MLAB | Restricted Stock Units - 7 | Common Stock (754) | — | — | 754 | Acquired |
| July 5, 2022 | MLAB | Non Qualified Stock Options | Common Stock (3,576) | $70.56 | April 1, 2023 | 3,576 | Disposed |
| July 5, 2022 | MLAB | Non Qualified Stock Option | Common Stock (15,000) | $122.66 | April 3, 2023 | 15,000 | Disposed |
| June 15, 2022 | MLAB | Restricted Stock Units - 1 | Common Stock (30) | — | — | 30 | Disposed |
| June 9, 2022 | MLAB | Incentive Stock Option | Common Stock (201) | $70.56 | April 1, 2023 | 201 | Disposed |
| June 9, 2022 | MLAB | Non Qualified Stock Option | Common Stock (800) | $70.56 | April 1, 2023 | 800 | Disposed |
| June 9, 2022 | MLAB | Incentive Stock Option | Common Stock (201) | $70.56 | April 1, 2023 | 201 | Disposed |
| June 9, 2022 | MLAB | Non Qualified Stock Option | Common Stock (800) | $70.56 | April 1, 2023 | 800 | Disposed |
| June 7, 2022 | MLAB | Non Qualified Stock Options | Common Stock (5,192) | $70.56 | April 1, 2023 | 5,192 | Disposed |
| June 7, 2022 | MLAB | Non Qualified Stock Options | Common Stock (5,192) | $70.56 | April 1, 2023 | 5,192 | Disposed |
| Feb. 17, 2022 | MLAB | Non Qualified Stock Option | Common Stock (1,000) | $70.56 | April 1, 2023 | 1,000 | Disposed |
| Feb. 15, 2022 | MLAB | Non qualified stock options | Common Stock (746) | $70.56 | April 1, 2023 | 746 | Disposed |
| Feb. 15, 2022 | MLAB | Non Qualified Stock Option | Common Stock (4,446) | $97.78 | April 1, 2022 | 4,446 | Disposed |
| Nov. 17, 2021 | MLAB | Non Qualified Stock Option | Common Stock (1,000) | $70.56 | April 1, 2023 | 1,000 | Disposed |
| Nov. 15, 2021 | MLAB | Non Qualified Stock Option | Common Stock (438) | $89.70 | April 1, 2022 | 438 | Disposed |
| Nov. 15, 2021 | MLAB | Non Qualified Stock Options | Common Stock (4,754) | $97.78 | April 1, 2022 | 4,754 | Disposed |
| Sept. 1, 2021 | MLAB | Restricted Stock Units - 6 | Common Stock (787) | — | — | 787 | Acquired |
| Aug. 18, 2021 | MLAB | Non Qualified Stock Option | Common Stock (1,000) | $70.56 | April 1, 2023 | 1,000 | Disposed |
| Aug. 16, 2021 | MLAB | Non Qualified Stock Option | Common Stock (5,192) | $89.70 | April 1, 2022 | 5,192 | Disposed |
| Aug. 15, 2021 | MLAB | Restricted Stock Units - 5 | Common Stock (308) | — | — | 308 | Disposed |
| June 15, 2021 | MLAB | Restricted Stock Units -1 | Common Stock (30) | — | — | 30 | Disposed |
| June 15, 2021 | MLAB | Restricted Stock Units - 4 | Common Stock (310) | — | — | 310 | Disposed |
| June 10, 2021 | MLAB | Incentive Stock Option | Common Stock (315) | $89.70 | April 1, 2022 | 315 | Disposed |
| June 10, 2021 | MLAB | Incentive Stock Option | Common Stock (400) | $70.56 | April 1, 2023 | 400 | Disposed |
| June 10, 2021 | MLAB | Non Qualified Stock Option | Common Stock (286) | $70.56 | April 1, 2023 | 286 | Disposed |
| June 8, 2021 | MLAB | Non Qualified Stock Option | Common Stock (5,192) | $89.70 | April 1, 2022 | 5,192 | Disposed |
| Nov. 15, 2020 | MLAB | Restricted Stock Units - 5 | Common Stock (308) | — | — | 308 | Acquired |
| Nov. 15, 2020 | MLAB | Restricted Stock Units - 3 | Common Stock (477) | — | — | 477 | Disposed |
| June 15, 2020 | MLAB | Restricted Stock Units - 1 | Common Stock (30) | — | — | 30 | Disposed |
| June 15, 2020 | MLAB | Restricted Stock Units - 4 | Common Stock (310) | — | — | 310 | Acquired |
| Feb. 27, 2020 | MLAB | Non Qualified Stock Option | Common Stock (1,494) | $51.85 | April 1, 2023 | 1,494 | Disposed |
| Feb. 27, 2020 | MLAB | Non Qualified Stock Option | Common Stock (208) | $89.70 | April 1, 2022 | 208 | Disposed |
| Feb. 27, 2020 | MLAB | Incentive Stock Option | Common Stock (785) | $89.70 | April 1, 2022 | 785 | Disposed |
| Feb. 27, 2020 | MLAB | Incentive Stock Option | Common Stock (799) | $70.56 | April 1, 2023 | 799 | Disposed |
| Feb. 26, 2020 | MLAB | Non Qualified Stock Option | Common Stock (100) | $51.85 | April 1, 2023 | 100 | Disposed |
| Feb. 26, 2020 | MLAB | non Qualified Stock Option | Common Stock (970) | $89.70 | April 1, 2022 | 970 | Disposed |
| Feb. 25, 2020 | MLAB | Non Qualified Stock Option | Common Stock (6,000) | $50.50 | April 2, 2022 | 6,000 | Disposed |
| Feb. 25, 2020 | MLAB | Non Qualified Stock Option | Common Stock (2,206) | $51.85 | April 1, 2023 | 2,206 | Disposed |
| Nov. 15, 2019 | MLAB | Restricted Stock Units - 3 | Common Stock (477) | — | — | 477 | Acquired |
| Nov. 7, 2019 | MLAB | Restricted Stock Units - 2 | Common Stock (150) | — | — | 150 | Disposed |
| June 15, 2019 | MLAB | Restricted Stock Units - 1 | Common Stock (30) | — | — | 30 | Disposed |
| Nov. 7, 2018 | MLAB | Restricted Stock Units - 2 | Common Stock (150) | — | — | 150 | Acquired |
| June 15, 2018 | MLAB | Non Qualified Stock Option | Common Stock (3,200) | $25.56 | April 1, 2020 | 3,200 | Disposed |
| June 15, 2018 | MLAB | Non Qualified Stock Option | Common Stock (8,800) | $29.20 | April 1, 2021 | 8,800 | Disposed |
| April 2, 2018 | MLAB | Restricted Stock Units - 1 | Common Stock (150) | — | — | 150 | Acquired |
| April 2, 2018 | MLAB | Non-Qualified Stock Option | Common Stock (450) | $142.40 | April 2, 2024 | 450 | Acquired |
| March 26, 2018 | MLAB | Non-qualified stock options | Common Stock (4,500) | $70.56 | April 1, 2021 | 4,500 | Disposed |
| Feb. 16, 2018 | MLAB | Non Qualified Stock Option | Common Stock (2,123) | $25.56 | April 1, 2020 | 2,123 | Disposed |
| Feb. 15, 2018 | MLAB | Non Qualified Stock Option | Common Stock (1,100) | $21.93 | April 1, 2018 | 1,100 | Disposed |
| Feb. 15, 2018 | MLAB | Non Qualified Stock Option | Common Stock (777) | $25.56 | April 1, 2020 | 777 | Disposed |
| May 10, 2017 | MLAB | Non-Qualified Stock Option | Common Stock (9,000) | $18.98 | May 11, 2017 | 9,000 | Disposed |
| April 3, 2017 | MLAB | Non-Qualified Stock Option | Common Stock (15,000) | $122.66 | April 3, 2023 | 15,000 | Acquired |
| Feb. 21, 2017 | MLAB | Non Qualified Stock Option | Common Stock (4,918) | $18.98 | May 11, 2017 | 4,918 | Disposed |
| Feb. 21, 2017 | MLAB | Non Qualified Stock Option | Common Stock (2,000) | $16.60 | April 1, 2019 | 2,000 | Disposed |
| Feb. 17, 2017 | MLAB | Non Qualified Stock Option | Common Stock (2,160) | $18.98 | May 11, 2017 | 2,160 | Disposed |
| Feb. 13, 2017 | MLAB | Non Qualified Stock Option | Common Stock (5,922) | $18.98 | May 11, 2017 | 5,922 | Disposed |
| Feb. 13, 2017 | MLAB | Non Qualified Stock Option | Common Stock (5,922) | $18.98 | May 11, 2017 | 5,922 | Acquired |
| June 22, 2016 | MLAB | Non Qualified Stock Option | Common Stock (5,000) | $18.98 | May 11, 2017 | 5,000 | Acquired |
| April 1, 2016 | MLAB | Non Qualified Stock Option | Common Stock (9,200) | $97.78 | April 1, 2022 | 9,200 | Acquired |
| Nov. 6, 2015 | MLAB | Non Qualified Stock Option | Common Stock (5,000) | $18.98 | May 11, 2017 | 5,000 | Disposed |
| Nov. 5, 2015 | MLAB | Non Qualified Stock Option | Common Stock (1,900) | $89.70 | April 1, 2022 | 1,900 | Disposed |
| Nov. 5, 2015 | MLAB | Non Qualified Stock Option | Common Stock (3,800) | $51.85 | April 1, 2023 | 3,800 | Disposed |
| Nov. 5, 2015 | MLAB | Non Qualified Stock Option | Common Stock (2,000) | $50.50 | April 2, 2022 | 2,000 | Disposed |
| April 1, 2015 | MLAB | Non-Qualified Stock Option | Common Stock (13,600) | $70.56 | April 1, 2023 | 13,600 | Acquired |
| April 1, 2015 | MLAB | Non-Qualified Stock Option | Common Stock (4,500) | $70.56 | April 1, 2021 | 4,500 | Acquired |
| April 1, 2015 | MLAB | Incentive Stock Options | Common Stock (1,400) | $70.56 | April 1, 2023 | 1,400 | Acquired |
| March 24, 2015 | MLAB | Incentive Stock Options | Common Stock (975) | $25.56 | April 1, 2015 | 975 | Disposed |
| Sept. 23, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (6,000) | $15.44 | March 20, 2016 | 6,000 | Disposed |
| Sept. 23, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (8,000) | $18.98 | May 11, 2017 | 8,000 | Disposed |
| April 1, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (13,900) | $89.70 | April 1, 2022 | 13,900 | Acquired |
| April 1, 2014 | MLAB | Incentive Stock Option | Common Stock (1,100) | $89.70 | April 1, 2022 | 1,100 | Acquired |
| Feb. 25, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (12,000) | $15.44 | March 20, 2016 | 12,000 | Disposed |
| Feb. 25, 2014 | MLAB | Incentive Stock Option | Common Stock (2,925) | $25.56 | April 1, 2015 | 2,925 | Disposed |
| Aug. 19, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (6,000) | $15.44 | March 20, 2016 | 6,000 | Disposed |
| Aug. 19, 2013 | MLAB | Incentive Stock Option | Common Stock (3,000) | $16.60 | April 1, 2014 | 3,000 | Disposed |
| Aug. 14, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (6,000) | $15.44 | March 20, 2016 | 6,000 | Disposed |
| Aug. 14, 2013 | MLAB | Incentive Stock Option | Common Stock (3,000) | $16.60 | April 1, 2014 | 3,000 | Disposed |
| April 1, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (7,600) | $51.85 | April 1, 2023 | 7,600 | Acquired |
| Jan. 25, 2013 | MLAB | Incentive Stock Option | Common Stock (1,075) | $21.93 | April 1, 2013 | 1,075 | Disposed |
| June 25, 2012 | MLAB | Incentive Stock Option | Common Stock (3,225) | $21.93 | April 1, 2013 | 3,225 | Disposed |
| April 2, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (8,000) | $50.50 | April 2, 2022 | 8,000 | Acquired |
| March 13, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (9,030) | $12.56 | Oct. 10, 2014 | 9,030 | Disposed |
| March 13, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (9,030) | $12.56 | Oct. 10, 2014 | 9,030 | Disposed |
| April 25, 2011 | MLAB | Incentive Stock Option | Common Stock (2,700) | $14.50 | April 27, 2011 | 2,700 | Disposed |
| April 6, 2011 | MLAB | NQ Stock Purchase Options | Common Stock (8,800) | $29.20 | April 6, 2021 | 8,800 | Acquired |
| Dec. 3, 2010 | MLAB | Incentive Stock Option | Common Stock (4,000) | $14.80 | Dec. 20, 2010 | 4,000 | Acquired |
| April 1, 2010 | MLAB | NQ Stock Purchase Option | Common Stock (6,100) | $25.56 | April 1, 2020 | 6,100 | Acquired |
| April 1, 2010 | MLAB | Incentive Stock Purchase Option | Common Stock (3,900) | $25.56 | April 1, 2015 | 3,900 | Acquired |
| Jan. 7, 2010 | MLAB | Incentive Stock Option | Common Stock (3,000) | $11.91 | June 13, 2010 | 3,000 | Disposed |
Showing latest 100 of 112 transactions
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.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $2,000 | — | — | $82,000 | — | — | $480 | $594,480 |
| 2017 | — | — | — | — | — | — | — | — |
| 2015 | $316,488 | — | — | $114,823 | $287,000 | — | $9,495 | $727,806 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.