Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 21, 2017 SOTK S 5,300 $1.18 $6,254 44,797 Direct -10.58% Disposed 425.4% (price as of 2026-10-02)
Dec. 28, 2016 SOTK S 6,300 $1.20 $7,560 50,097 Direct -11.17% Disposed 416.7% (price as of 2026-10-02)
Dec. 27, 2016 SOTK S 5,182 $1.21 $6,270 56,397 Direct -8.42% Disposed 412.4% (price as of 2026-10-02)
Oct. 21, 2005 SOTK P 4,350 $1.80 $7,830 97,508 Indirect +4.67% Acquired 244.4% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Nov. 8, 2012 SOTK OPTIONS SONOTEK CORP COMMON STOCK (10,000) $1.06 Sept. 28, 2014 10,000 Disposed
Nov. 8, 2012 SOTK OPTIONS SONOTEK CORP COMMON STOCK (10,000) $0.74 Aug. 16, 2005 10,000 Disposed
Nov. 8, 2012 SOTK OPTIONS SONOTEK CORP COMMON STOCK (10,000) $0.74 March 3, 2018 10,000 Disposed
Nov. 8, 2012 SOTK OPTIONS SONOTEK CORP COMMON STOCK (30,000) $0.61 Nov. 6, 2022 30,000 Acquired
March 5, 2008 SOTK Options SonoTek Corp Common stock (5,000) $0.74 March 5, 2018 5,000 Acquired
March 5, 2008 SOTK Options SonoTek Corp Common Stock (5,000) $0.74 March 5, 2018 5,000 Acquired
March 5, 2008 SOTK Options SonoTek Corp Common Stock (10,000) $0.74 Aug. 18, 2015 10,000 Acquired
March 5, 2008 SOTK Options SonoTek Corp Common Stock (10,000) $2.43 Aug. 18, 2015 10,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Feb. 27, 2006 SOTK SonoTek Corp Comon Stock 61,579 Direct
Feb. 27, 2006 SOTK SonoTek Corp Common Stock 31,579 Indirect