Martin D Madaus

CIK 1310268 · View on SEC EDGAR ↗

Insider

First SEC filing: May 5, 2023 · Latest: May 5, 2023

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 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

30 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 8, 2025 RGEN P 1,800 $112.13 $201,834 1,800 Indirect — Acquired 60.6% (price as of 2026-08-20)
Nov. 19, 2024 AZTA P 4,940 $40.77 $201,404 7,405 Direct +200.41% Acquired -12.4% (price as of 2026-08-20)
June 14, 2024 RGEN P 700 $125.46 $87,822 4,613 Direct +17.89% Acquired 43.5% (price as of 2026-08-20)
June 14, 2024 RGEN P 915 $124.54 $113,954 3,913 Direct +30.52% Acquired 44.6% (price as of 2026-08-20)
May 8, 2023 RGEN P 500 $156.18 $78,090 1,611 Direct +45.00% Acquired 15.3% (price as of 2026-08-20)
May 5, 2023 RGEN P 500 $159.19 $79,595 1,111 Direct +81.83% Acquired 13.1% (price as of 2026-08-20)
May 4, 2023 RGEN P 500 $161.15 $80,575 611 Direct +450.45% Acquired 11.8% (price as of 2026-08-20)
July 27, 2009 MTD P 600 $83.33 $49,998 600 Direct — Acquired 1612.5% (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
May 14, 2026 RGEN Stock Option (Right to Buy) Common Stock (2,239) $103.38 May 14, 2036 2,239 Acquired
Feb. 5, 2026 AZTA Restricted Stock Unit Common Stock (5,663) — — 5,663 Acquired
May 15, 2025 RGEN Stock Option (Right to Buy) Common Stock (1,800) $123.26 May 15, 2035 1,800 Acquired
Feb. 7, 2025 AZTA Restricted Stock Unit Common Stock (4,040) — — 4,040 Acquired
May 16, 2024 RGEN Stock Option (Right to Buy) Common Stock (1,376) $171.03 May 16, 2034 1,376 Acquired
June 14, 2023 LAB Stock Option (Right to Buy) Common Stock (35,380) $2.18 June 14, 2033 35,380 Acquired
May 18, 2023 RGEN Stock Option (Right to Buy) Common Stock (1,487) $156.63 May 18, 2033 1,487 Acquired
Feb. 6, 2023 RGEN Stock Option (Right to Buy) Common Stock (1,819) $192.02 Feb. 6, 2033 1,819 Acquired
Feb. 6, 2023 RGEN Stock Option (Right to Buy) Common Stock (239) $192.02 Feb. 6, 2033 239 Acquired
June 15, 2022 LAB Stock Option (Right to Buy) Common Stock (42,571) $1.86 June 15, 2032 42,571 Acquired
April 4, 2022 LAB Stock Option (Right to Buy) Common Stock (23,401) $3.99 April 4, 2032 23,401 Acquired
Aug. 7, 2018 QTRX Stock Option (Right to Buy) Common Stock (7,900) $14.80 Aug. 7, 2028 7,900 Acquired
Nov. 3, 2010 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (2,600) $133.00 Nov. 3, 2020 2,600 Acquired
Oct. 28, 2009 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (3,384) $90.76 Oct. 28, 2019 3,384 Acquired

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
May 5, 2023 RGEN Common Stock 2 Indirect
Dec. 6, 2017 QTRX Common Stock 224,966 Indirect
Dec. 6, 2017 QTRX Stock Option (right to buy)→ Common Stock — Direct
Dec. 6, 2017 QTRX Stock Option (right to buy)→ Common Stock — Direct
Dec. 6, 2017 QTRX Stock Option (right to buy)→ Common Stock — Direct