Anthony DiGiandomenico

CIK 1083544 · View on SEC EDGAR ↗

Activist

First SEC filing: Nov. 26, 2025 · Latest: Nov. 26, 2025

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 2, 2023 NDRA P 41,667 $0.01 $417 41,667 Direct — Acquired -74.6% (price as of 2026-08-20)
May 2, 2023 NDRA P 83,333 $1.20 $100,000 102,434 Direct +436.28% Acquired -99.8% (price as of 2026-08-20)
June 8, 2020 NDRA P 5,000 $0.92 $4,600 281,509 Direct +1.81% Acquired -100.0% (price as of 2026-08-20)
May 28, 2020 NDRA P 5,000 $0.90 $4,500 276,509 Direct +1.84% Acquired -100.0% (price as of 2026-08-20)
May 22, 2020 NDRA P 10,000 $0.78 $7,800 252,083 Direct +4.13% Acquired -100.0% (price as of 2026-08-20)
Dec. 28, 2018 CUE P 7,000 $4.62 $32,340 57,000 Direct +14.00% Acquired -80.6% (price as of 2026-08-20)
Dec. 27, 2018 CUE P 20,000 $4.77 $95,400 50,000 Direct +66.67% Acquired -81.2% (price as of 2026-08-20)
Dec. 24, 2018 CUE P 10,000 $4.81 $48,100 30,000 Direct +50.00% Acquired -81.4% (price as of 2026-08-20)
Dec. 21, 2018 CUE P 10,000 $4.49 $44,900 20,000 Direct +100.00% Acquired -80.1% (price as of 2026-08-20)
Dec. 17, 2018 CUE P 10,000 $5.48 $54,800 10,000 Direct — Acquired -83.7% (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
June 30, 2026 CLIR Non-Statutory Stock Options Common Stock (4,595) $3.67 June 29, 2036 4,595 Acquired
March 31, 2026 CLIR Non-Statutory Stock Options Common Stock (3,024) $4.36 March 31, 2036 3,024 Acquired
Oct. 10, 2025 NDRA Warrants Common Stock (141,644) $6.81 Oct. 15, 2030 141,644 Acquired
Jan. 2, 2024 NDRA Stock Options Common Stock (600) $1.59 Jan. 2, 2034 600 Acquired
May 2, 2023 NDRA Warrants Common Stock $1.40 May 2, 2028 41,667 Acquired
Jan. 30, 2023 NDRA Stock Options Common Stock (9,621) $4.02 Jan. 30, 2033 9,621 Acquired
March 28, 2022 NDRA Stock Options Common Stock (109,323) $0.38 March 28, 2032 109,323 Acquired
Jan. 3, 2022 NDRA Stock Options Common Stock (12,000) $0.74 Jan. 3, 2032 12,000 Acquired
April 5, 2021 NDRA Stock Options Common Stock (25,000) $2.64 April 5, 2031 25,000 Acquired
Jan. 4, 2021 NDRA Stock Options Common Stock (12,000) $0.80 Jan. 4, 2031 12,000 Acquired
July 21, 2020 NDRA Warrants Common Stock (100,503) $0.87 Dec. 11, 2024 100,503 Disposed
Jan. 2, 2020 NDRA Stock Options Common Stock (12,000) $1.90 Jan. 2, 2030 12,000 Acquired
Dec. 11, 2019 NDRA Warrants Common Stock (100,503) $0.87 Dec. 11, 2024 100,503 Acquired
Dec. 11, 2019 NDRA Stock option (right to buy) Common Stock (89,585) $0.90 Dec. 11, 2029 89,585 Acquired
March 25, 2019 NDRA Stock Options Common Stock (50,000) $3.09 March 25, 2029 50,000 Acquired
Jan. 2, 2019 CUE Stock Option (right to buy) Common Stock (8,000) $5.16 Jan. 2, 2026 8,000 Acquired
Nov. 13, 2018 NDRA Convertible Promissory Note Common Stock (59,524) $1.68 Dec. 31, 2018 — Disposed
June 28, 2018 NDRA Warrants Common Stock (24,802) $2.52 June 28, 2021 24,802 Acquired
June 28, 2018 NDRA Convertible Promissory Note Common Stock — Dec. 31, 2018 — Acquired
June 12, 2018 CUE Stock Option (right to buy) Common Stock (8,000) $14.24 June 12, 2025 8,000 Acquired
May 12, 2017 NDRA Stock Options Common Stock (6,000) $5.00 May 12, 2025 6,000 Acquired
May 12, 2017 NDRA Stock Options Common Stock (6,000) $5.00 May 12, 2025 6,000 Acquired
May 12, 2017 NDRA Stock Options Common Stock (12,000) $5.00 May 12, 2022 12,000 Acquired
May 12, 2017 NDRA Convertible Promissory Note Common Stock $1.40 May 12, 2017 — Disposed

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

Initial ownership (Form 3) 17 holdings

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

Date Ticker Security Shares Ownership
May 27, 2025 CLIR Common Stock 544,478 Direct
May 27, 2025 CLIR Warrants to Purchase Common Stock→ Common Stock (542,478) 542,478 Direct
Nov. 18, 2024 EXOZ Common Stock 3,808,476 Indirect
Nov. 18, 2024 EXOZ SAFE for Common Stock [F2]→ Common Stock (122,657) 122,657 Indirect
Nov. 18, 2024 EXOZ Warrant for Common Stock [F3]→ Common Stock (205,293) 205,293 Indirect
Nov. 18, 2024 EXOZ Stock Options for Common Stock [F4]→ Common Stock (25,970) 25,970 Direct
Aug. 2, 2023 MDBH Class A Common Shares 26,645 Direct
Aug. 2, 2023 MDBH Class B Common Shares 1,245,000 Direct
Aug. 2, 2023 MDBH Restricted Stock Units for Class A Common Shares [F1]→ Class A Common Shares (500,000) 500,000 Direct
Aug. 2, 2023 MDBH Restricted Stock Units for Class A Common Shares [F2]→ Class A Common Shares (500,000) 500,000 Direct
Dec. 27, 2017 CUE No securities are beneficially owned 0 Direct
June 28, 2017 NDRA Stock Options [F1]→ Common Stock (2,997) 2,997 Direct
June 28, 2017 NDRA Stock Options [F1]→ Common Stock (1,799) 1,799 Direct
May 19, 2017 NDRA Common Stock 39,199 Direct
May 19, 2017 NDRA Stock Options→ Common Stock (3,297) 3,297 Direct
May 19, 2017 NDRA Warrants to Purchase Common Stock→ Common Stock (999) 999 Direct
May 19, 2017 NDRA Convertible Promissory Note→ Common Stock — Direct