Brian David Archbold
CIK 1776947 · View on SEC EDGAR ↗
First SEC filing: June 13, 2019 · Latest: June 17, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 22, 2026 | MLAB | S | 2,516 | $89.50 | $225,182 | 6,377 Direct | -28.29% | Disposed | 28.2% (price as of 2026-08-19) |
| June 16, 2026 | MLAB | S | 1,151 | $101.27 | $116,562 | 3,710 Direct | -23.68% | Disposed | 13.3% (price as of 2026-08-19) |
| June 16, 2025 | MLAB | S | 472 | $97.12 | $45,841 | 558 Direct | -45.83% | Disposed | 18.1% (price as of 2026-08-19) |
| Sept. 13, 2024 | MLAB | S 10b5-1 | 1,499 | $125.00 | $187,375 | 0 Direct | -100.00% | Disposed | -8.2% (price as of 2026-08-19) |
| Dec. 15, 2023 | MLAB | S 10b5-1 | 1,500 | $112.36 | $168,540 | 558 Direct | -72.89% | Disposed | 2.1% (price as of 2026-08-19) |
| June 21, 2022 | MLAB | S | 392 | $188.22 | $73,782 | 813 Direct | -32.53% | Disposed | -39.1% (price as of 2026-08-19) |
| Dec. 14, 2021 | MLAB | S | 1,659 | $325.02 | $539,208 | 154 Direct | -91.51% | Disposed | -64.7% (price as of 2026-08-19) |
| Aug. 9, 2021 | MLAB | S | 639 | $280.03 | $178,939 | 154 Direct | -80.58% | Disposed | -59.0% (price as of 2026-08-19) |
| June 17, 2021 | MLAB | S | 400 | $256.56 | $102,624 | 793 Direct | -33.53% | Disposed | -55.3% (price as of 2026-08-19) |
| June 16, 2021 | MLAB | S | 921 | $255.67 | $235,472 | 1,608 Direct | -36.42% | Disposed | -55.1% (price as of 2026-08-19) |
| June 16, 2021 | MLAB | S | 415 | $260.14 | $107,958 | 1,193 Direct | -25.81% | Disposed | -55.9% (price as of 2026-08-19) |
| March 10, 2021 | MLAB | S | 223 | $271.78 | $60,607 | 154 Direct | -59.15% | Disposed | -57.8% (price as of 2026-08-19) |
| Nov. 9, 2020 | MLAB | S | 533 | $272.11 | $145,035 | 232 Direct | -69.67% | Disposed | -57.8% (price as of 2026-08-19) |
| Feb. 21, 2020 | MLAB | S | 123 | $268.19 | $32,987 | 232 Direct | -34.65% | Disposed | -57.2% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | MLAB | Restricted Stock Units - 8 | Common Stock (2,480) | — | June 18, 2025 | 2,480 | Disposed |
| June 18, 2026 | MLAB | Restricted Stock Units - 7 | Common Stock (844) | — | — | 844 | Disposed |
| June 15, 2026 | MLAB | Restricted Stock Units - 10 | Common Stock (4,328) | — | — | 4,328 | Acquired |
| June 15, 2026 | MLAB | Restricted Stock Units - 9 | Common Stock (2,454) | — | — | 2,454 | Disposed |
| June 15, 2026 | MLAB | Non Qualified Stock Options | Common Stock (1,780) | $226.72 | June 15, 2026 | 1,780 | Disposed |
| June 21, 2025 | MLAB | Restricted Stock Units - 7 | Common Stock (844) | — | — | 844 | Disposed |
| June 18, 2025 | MLAB | Restricted Stock Units - 8 | Common Stock (2,556) | — | — | 2,556 | Disposed |
| June 15, 2025 | MLAB | Restricted Stock Units - 6 | Common Stock (535) | — | — | 535 | Disposed |
| June 15, 2025 | MLAB | Restricted Stock Units - 9 | Common Stock (7,346) | — | — | 7,346 | Acquired |
| June 10, 2025 | MLAB | Non Qualified Stock Option | Common Stock (2,129) | $203.54 | June 10, 2025 | 2,129 | Disposed |
| Sept. 1, 2024 | MLAB | Restricted Stock Units - 7 | Common Stock (845) | — | — | 845 | Disposed |
| June 18, 2024 | MLAB | Restricted Stock Units - 8 | Common Stock (7,516) | — | — | 7,516 | Acquired |
| June 14, 2024 | MLAB | Restricted Stock Units 4 | Common Stock (354) | — | — | 354 | Disposed |
| June 14, 2024 | MLAB | Restricted Stock Units 6 | Common Stock (535) | — | — | 535 | Disposed |
| April 2, 2024 | MLAB | Non Qualified Stock Option | Common Stock (420) | $142.40 | April 2, 2024 | 420 | Disposed |
| Jan. 8, 2024 | MLAB | Non Qualified Stock Option | Common Stock (290) | $129.10 | Jan. 8, 2024 | 290 | Disposed |
| Sept. 1, 2023 | MLAB | Restricted Stock Units - 7 | Common Stock (2,533) | — | — | 2,533 | Acquired |
| June 21, 2023 | MLAB | Non Qualified Stock Options | Common Stock (4,579) | $131.67 | June 21, 2029 | 4,579 | Acquired |
| June 16, 2023 | MLAB | Restricted Stock Units - 1 | Common Stock (35) | — | — | 35 | Disposed |
| June 16, 2023 | MLAB | Restricted Stock Units - 2 | Common Stock (133) | — | — | 133 | Disposed |
| June 16, 2023 | MLAB | Restricted Stock Units - 4 | Common Stock (177) | — | — | 177 | Disposed |
| June 16, 2023 | MLAB | Restricted Stock Units - 6 | Common Stock (267) | — | — | 267 | Disposed |
| June 15, 2023 | MLAB | Restricted Stock Units - 1 | Common Stock (35) | — | — | 35 | Disposed |
| June 15, 2023 | MLAB | Restricted Stock Units - 2 | Common Stock (134) | — | — | 134 | Disposed |
| June 15, 2023 | MLAB | Restricted Stock Units - 4 | Common Stock (178) | — | — | 178 | Disposed |
| June 15, 2023 | MLAB | Restricted Stock Units - 6 | Common Stock (267) | — | — | 267 | Disposed |
| Sept. 1, 2022 | MLAB | Restricted Stock Unit - 5 | Common Stock (546) | — | — | 546 | Disposed |
| Sept. 1, 2022 | MLAB | Restricted Stock Units - 6 | Common Stock (357) | — | — | 357 | Disposed |
| June 17, 2022 | MLAB | Restricted Stock Units - 1 | Common Stock (70) | — | — | 70 | Disposed |
| June 17, 2022 | MLAB | Restricted Stock Units - 2 | Common Stock (268) | — | — | 268 | Disposed |
| June 15, 2022 | MLAB | Restricted Stock Units - 6 | Common Stock (1,604) | — | — | 1,604 | Acquired |
| June 15, 2022 | MLAB | Non Qualified Stock Option | Common Stock (3,852) | $185.57 | June 15, 2028 | 3,852 | Acquired |
| Dec. 14, 2021 | MLAB | Non Qualified Stock Option | Common Stock (210) | $142.00 | April 2, 2024 | 210 | Disposed |
| Dec. 14, 2021 | MLAB | Non Qualified Stock Option | Common Stock (532) | $203.54 | June 10, 2025 | 532 | Disposed |
| Dec. 14, 2021 | MLAB | Non Qualified Stock Option | Common Stock (917) | $226.72 | June 15, 2026 | 917 | Disposed |
| Sept. 1, 2021 | MLAB | Restricted Stock Units - 4 | Common Stock (1,066) | — | — | 1,066 | Acquired |
| Sept. 1, 2021 | MLAB | Restricted Stock Units - 5 | Common Stock (546) | — | — | 546 | Acquired |
| Sept. 1, 2021 | MLAB | Non Qualified Stock Options | Common Stock (3,421) | $268.85 | Sept. 1, 2027 | 3,421 | Acquired |
| June 15, 2021 | MLAB | Restricted Stock Units - 1 | Common Stock (70) | — | — | 70 | Disposed |
| June 15, 2021 | MLAB | Restricted Stock Unit - 2 | Common Stock (277) | — | — | 277 | Disposed |
| June 15, 2021 | MLAB | Restricted Stock Unit - 3 | Common Stock (0) | — | — | 419 | Disposed |
| March 10, 2021 | MLAB | Non Qualified Stock Option | Common Stock (145) | $129.10 | Jan. 8, 2024 | 145 | Disposed |
| Nov. 9, 2020 | MLAB | Non Qualified Stock Option | Common Stock (533) | $203.54 | June 10, 2025 | 533 | Disposed |
| June 15, 2020 | MLAB | Restricted Stock Units - 1 | Common Stock (70) | — | — | 70 | Disposed |
| June 15, 2020 | MLAB | Restricted Stock Units - 2 | Common Stock (812) | — | — | 812 | Acquired |
| June 15, 2020 | MLAB | Non Qualified Stock Options | Common Stock (2,697) | $226.72 | June 15, 2026 | 2,697 | Acquired |
| June 15, 2020 | MLAB | Restricted Stock Units - 3 | Common Stock (419) | — | — | 419 | Acquired |
| June 15, 2019 | MLAB | Restricted Stock Unit - 1 | Common Stock (70) | — | — | 70 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 13, 2019 | MLAB | Restricted Stock Award [F3] | 310 | Direct |
| June 13, 2019 | MLAB | Restricted Stock Unit→ Common Stock (350) | 350 | Direct |
| June 13, 2019 | MLAB | Non Qualified Stock Option→ Common Stock (580) | 580 | Direct |
| June 13, 2019 | MLAB | Non Qualified Stock Option→ Common Stock (1,050) | 1,050 | Direct |
| June 13, 2019 | MLAB | Non Qualified Stock Options→ Common Stock (2,129) | 2,129 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2026 | $436,962 | — | $1,400,080 | — | $331,250 | — | $14,226 | $2,182,518 |
| 2025 | $417,232 | — | $1,350,212 | — | $352,800 | — | $14,312 | $2,134,556 |
| 2024 | $404,000 | — | $910,936 | $198,042 | $97,200 | — | $12,442 | $1,622,620 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.