Anthony DiGiandomenico
Activist
First SEC filing: Nov. 26, 2025 · Latest: Nov. 26, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 30, 2026 | CLIR | A | 3,766 | · | · | 3,766 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2026 | CLIR | A | 4,595 | · | · | 4,595 Direct | · | Acquired | (price as of 2026-10-05) |
| March 31, 2026 | CLIR | A | 3,024 | · | · | 3,024 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2026 | NDRA | A | 60,324 | · | · | 136,589 Direct | +79.10% | Acquired | (price as of 2026-10-05) |
| Oct. 10, 2025 | NDRA | A | 141,644 | $7.06 | $1,000,007 | 141,644 Direct | · | Acquired | -10.6% (price as of 2026-10-05) |
| Oct. 10, 2025 | NDRA | A | 70,822 | $7.06 | $500,003 | 76,265 Direct | +1301.16% | Acquired | -10.6% (price as of 2026-10-05) |
| June 11, 2025 | NDRA | A | 5,384 | · | · | 5,443 Direct | +9125.42% | Acquired | (price as of 2026-10-05) |
| April 28, 2025 | MDBH | D | 900,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 28, 2025 | MDBH | A | 900,000 | · | · | 900,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 28, 2025 | MDBH | D | 900,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 28, 2025 | MDBH | A | 900,000 | · | · | 900,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 7, 2025 | MDBH | P | 1,425 | $4.90 | $6,982 | 95,699 Direct | +1.51% | Acquired | -54.7% (price as of 2026-10-05) |
| April 7, 2025 | MDBH | P | 1,425 | $4.90 | $6,982 | 95,699 Direct | +1.51% | Acquired | -54.7% (price as of 2026-10-05) |
| Feb. 13, 2025 | MDBH | P | 942 | $6.15 | $5,793 | 94,274 Direct | +1.01% | Acquired | -63.9% (price as of 2026-10-05) |
| Feb. 12, 2025 | MDBH | P | 290 | $6.15 | $1,784 | 93,332 Direct | +0.31% | Acquired | -63.9% (price as of 2026-10-05) |
| Feb. 11, 2025 | MDBH | P | 1,000 | $6.22 | $6,220 | 93,042 Direct | +1.09% | Acquired | -64.3% (price as of 2026-10-05) |
| Feb. 7, 2025 | MDBH | P | 1,000 | $6.22 | $6,220 | 92,042 Direct | +1.10% | Acquired | -64.3% (price as of 2026-10-05) |
| Feb. 5, 2025 | MDBH | P | 300 | $6.24 | $1,872 | 91,042 Direct | +0.33% | Acquired | -64.4% (price as of 2026-10-05) |
| Feb. 4, 2025 | MDBH | P | 398 | $6.22 | $2,476 | 90,742 Direct | +0.44% | Acquired | -64.3% (price as of 2026-10-05) |
| Feb. 3, 2025 | MDBH | P | 1,000 | $6.17 | $6,170 | 90,344 Direct | +1.12% | Acquired | -64.0% (price as of 2026-10-05) |
| Jan. 31, 2025 | MDBH | P | 1,000 | $6.20 | $6,200 | 89,344 Direct | +1.13% | Acquired | -64.2% (price as of 2026-10-05) |
| Jan. 30, 2025 | MDBH | P | 100 | $6.22 | $622 | 88,344 Direct | +0.11% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 29, 2025 | MDBH | P | 14 | $6.21 | $87 | 88,244 Direct | +0.02% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 27, 2025 | MDBH | P | 933 | $6.21 | $5,794 | 88,230 Direct | +1.07% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 24, 2025 | MDBH | P | 164 | $6.21 | $1,018 | 87,297 Direct | +0.19% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 23, 2025 | MDBH | P | 200 | $6.24 | $1,248 | 87,133 Direct | +0.23% | Acquired | -64.4% (price as of 2026-10-05) |
| Jan. 22, 2025 | MDBH | P | 928 | $6.21 | $5,763 | 86,933 Direct | +1.08% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 21, 2025 | MDBH | P | 1,000 | $6.21 | $6,210 | 86,005 Direct | +1.18% | Acquired | -64.3% (price as of 2026-10-05) |
| Jan. 17, 2025 | MDBH | P | 1,000 | $6.10 | $6,100 | 85,005 Direct | +1.19% | Acquired | -63.6% (price as of 2026-10-05) |
| Jan. 16, 2025 | MDBH | P | 900 | $6.23 | $5,607 | 84,005 Direct | +1.08% | Acquired | -64.4% (price as of 2026-10-05) |
| Jan. 15, 2025 | MDBH | P | 1,000 | $6.04 | $6,040 | 83,709 Direct | +1.21% | Acquired | -63.2% (price as of 2026-10-05) |
| Jan. 14, 2025 | MDBH | P | 1,000 | $6.17 | $6,170 | 83 Direct | · | Acquired | -64.0% (price as of 2026-10-05) |
| Jan. 13, 2025 | MDBH | P | 1,000 | $6.23 | $6,230 | 81,709 Direct | +1.24% | Acquired | -64.4% (price as of 2026-10-05) |
| Jan. 3, 2025 | MDBH | P | 16 | $6.25 | $100 | 80,709 Direct | +0.02% | Acquired | -64.5% (price as of 2026-10-05) |
| Dec. 20, 2024 | MDBH | P | 355 | $6.25 | $2,219 | 80,693 Direct | +0.44% | Acquired | -64.5% (price as of 2026-10-05) |
| Dec. 20, 2024 | MDBH | P | 355 | $6.25 | $2,219 | 80,693 Direct | -0.44% | Disposed | -64.5% (price as of 2026-10-05) |
| Dec. 19, 2024 | MDBH | P | 1,000 | $6.24 | $6,240 | 80,338 Direct | -1.23% | Disposed | -64.4% (price as of 2026-10-05) |
| Dec. 18, 2024 | MDBH | P | 1,000 | $6.20 | $6,200 | 79,338 Direct | -1.24% | Disposed | -64.2% (price as of 2026-10-05) |
| Dec. 17, 2024 | MDBH | P | 1,693 | $6.21 | $10,514 | 78,338 Direct | -2.12% | Disposed | -64.3% (price as of 2026-10-05) |
| Oct. 21, 2024 | MDBH | M | 50,000 | $6.81 | $340,500 | 76,645 Direct | +187.65% | Acquired | -67.4% (price as of 2026-10-05) |
| Oct. 21, 2024 | MDBH | M | 50,000 | · | · | 400,000 Direct | +14.29% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | NDRA | A | 600 | · | · | 600 Direct | · | Acquired | (price as of 2026-10-05) |
| May 2, 2023 | NDRA | P | 41,667 | $0.01 | $417 | 41,667 Direct | · | Acquired | -63.9% (price as of 2026-10-05) |
| May 2, 2023 | NDRA | P | 83,333 | $1.20 | $100,000 | 102,434 Direct | +436.28% | Acquired | -99.7% (price as of 2026-10-05) |
| Jan. 30, 2023 | NDRA | A | 9,621 | · | · | 9,621 Direct | · | Acquired | (price as of 2026-10-05) |
| March 28, 2022 | NDRA | A | 109,323 | · | · | 109,323 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2022 | NDRA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 5, 2021 | NDRA | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 4, 2021 | NDRA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| July 21, 2020 | NDRA | X | 100,503 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 21, 2020 | NDRA | X | 100,503 | $0.87 | $87,438 | 382,012 Direct | +35.70% | Acquired | -100.0% (price as of 2026-10-05) |
| June 8, 2020 | NDRA | P | 5,000 | $0.92 | $4,600 | 281,509 Direct | +1.81% | Acquired | -100.0% (price as of 2026-10-05) |
| May 28, 2020 | NDRA | P | 5,000 | $0.90 | $4,500 | 276,509 Direct | +1.84% | Acquired | -100.0% (price as of 2026-10-05) |
| May 22, 2020 | NDRA | P | 10,000 | $0.78 | $7,800 | 252,083 Direct | +4.13% | Acquired | -100.0% (price as of 2026-10-05) |
| April 9, 2020 | NDRA | A | 42,857 | · | · | 242,083 Direct | +21.51% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2020 | NDRA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 11, 2019 | NDRA | A | 100,503 | · | · | 100,503 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 11, 2019 | NDRA | A | 89,585 | · | · | 89,585 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 11, 2019 | NDRA | A | 100,503 | $0.87 | $87,438 | 199,226 Direct | +101.80% | Acquired | -100.0% (price as of 2026-10-05) |
| March 25, 2019 | NDRA | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2019 | CUE | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 28, 2018 | CUE | P | 7,000 | $4.62 | $32,340 | 57,000 Direct | +14.00% | Acquired | -82.4% (price as of 2026-10-05) |
| Dec. 27, 2018 | CUE | P | 20,000 | $4.77 | $95,400 | 50,000 Direct | +66.67% | Acquired | -83.0% (price as of 2026-10-05) |
| Dec. 24, 2018 | CUE | P | 10,000 | $4.81 | $48,100 | 30,000 Direct | +50.00% | Acquired | -83.1% (price as of 2026-10-05) |
| Dec. 21, 2018 | CUE | P | 10,000 | $4.49 | $44,900 | 20,000 Direct | +100.00% | Acquired | -81.9% (price as of 2026-10-05) |
| Dec. 17, 2018 | CUE | P | 10,000 | $5.48 | $54,800 | 10,000 Direct | · | Acquired | -85.2% (price as of 2026-10-05) |
| Nov. 13, 2018 | NDRA | C | None | $100000.00 | · | · Direct | · | Disposed | -100.0% (price as of 2026-10-05) |
| Nov. 13, 2018 | NDRA | C | 59,524 | $1.68 | $100,000 | 118,149 Direct | +101.53% | Acquired | -100.0% (price as of 2026-10-05) |
| June 28, 2018 | NDRA | A | 24,802 | · | · | 24,802 Direct | · | Acquired | (price as of 2026-10-05) |
| June 28, 2018 | NDRA | A | None | $100000.00 | · | · Direct | · | Acquired | -100.0% (price as of 2026-10-05) |
| June 12, 2018 | CUE | M | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2018 | NDRA | A | 6,061 | · | · | 6,061 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2017 | NDRA | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2017 | NDRA | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2017 | NDRA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2017 | NDRA | C | None | · | · | · Direct | · | Disposed | (price as of 2026-10-05) |
| May 12, 2017 | NDRA | C | 19,426 | $1.40 | $27,196 | 58,625 Direct | +49.56% | Acquired | -100.0% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 30, 2026 | CLIR | Non-Statutory Stock Options | Common Stock | $3.55 | Sept. 29, 2036 | 3,766 | Acquired |
| June 30, 2026 | CLIR | Non-Statutory Stock Options | Common Stock | $3.67 | June 29, 2036 | 4,595 | Acquired |
| March 31, 2026 | CLIR | Non-Statutory Stock Options | Common Stock | $4.36 | March 31, 2036 | 3,024 | Acquired |
| Oct. 10, 2025 | NDRA | Warrants | Common Stock | $6.81 | Oct. 15, 2030 | 141,644 | Acquired |
| April 28, 2025 | MDBH | RSU | Class A | $0.00 | April 28, 2025 | 900,000 | Disposed |
| April 28, 2025 | MDBH | Employee Stock Option [F1,F2] | Class A | $4.25 | April 28, 2035 | 900,000 | Acquired |
| April 28, 2025 | MDBH | RSU | Class A | $0.00 | April 28, 2025 | 900,000 | Disposed |
| April 28, 2025 | MDBH | Employee Stock Option [F1,F2] | Class A | $4.25 | April 28, 2035 | 900,000 | Acquired |
| Oct. 21, 2024 | MDBH | RSU | Class A | $0.00 | Oct. 21, 2024 | 50,000 | Acquired |
| Jan. 2, 2024 | NDRA | Stock Options | Common Stock | $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 | $4.02 | Jan. 30, 2033 | 9,621 | Acquired |
| March 28, 2022 | NDRA | Stock Options | Common Stock | $0.38 | March 28, 2032 | 109,323 | Acquired |
| Jan. 3, 2022 | NDRA | Stock Options | Common Stock | $0.74 | Jan. 3, 2032 | 12,000 | Acquired |
| April 5, 2021 | NDRA | Stock Options | Common Stock | $2.64 | April 5, 2031 | 25,000 | Acquired |
| Jan. 4, 2021 | NDRA | Stock Options | Common Stock | $0.80 | Jan. 4, 2031 | 12,000 | Acquired |
| July 21, 2020 | NDRA | Warrants | Common Stock | $0.87 | Dec. 11, 2024 | 100,503 | Disposed |
| Jan. 2, 2020 | NDRA | Stock Options | Common Stock | $1.90 | Jan. 2, 2030 | 12,000 | Acquired |
| Dec. 11, 2019 | NDRA | Warrants | Common Stock | $0.87 | Dec. 11, 2024 | 100,503 | Acquired |
| Dec. 11, 2019 | NDRA | Stock option (right to buy) | Common Stock | $0.90 | Dec. 11, 2029 | 89,585 | Acquired |
| March 25, 2019 | NDRA | Stock Options | Common Stock | $3.09 | March 25, 2029 | 50,000 | Acquired |
| Jan. 2, 2019 | CUE | Stock Option (right to buy) | Common Stock | $5.16 | Jan. 2, 2026 | 8,000 | Acquired |
| Nov. 13, 2018 | NDRA | Convertible Promissory Note | Common Stock | $1.68 | Dec. 31, 2018 | · | Disposed |
| June 28, 2018 | NDRA | Warrants | Common Stock | $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 | $14.24 | June 12, 2025 | 8,000 | Acquired |
| Jan. 2, 2018 | NDRA | Stock Options | Common Stock | $4.95 | Jan. 2, 2026 | 6,061 | Acquired |
| May 12, 2017 | NDRA | Stock Options | Common Stock | $5.00 | May 12, 2025 | 6,000 | Acquired |
| May 12, 2017 | NDRA | Stock Options | Common Stock | $5.00 | May 12, 2025 | 6,000 | Acquired |
| May 12, 2017 | NDRA | Stock Options | Common Stock | $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 | 542,478 | Direct |
| Nov. 18, 2024 | EXOZ | Common Stock | 3,808,476 | Indirect |
| Nov. 18, 2024 | EXOZ | SAFE for Common Stock [F2] | 122,657 | Indirect |
| Nov. 18, 2024 | EXOZ | Warrant for Common Stock [F3] | 205,293 | Indirect |
| Nov. 18, 2024 | EXOZ | Stock Options for Common Stock [F4] | 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] | 500,000 | Direct |
| Aug. 2, 2023 | MDBH | Restricted Stock Units for Class A Common Shares [F2] | 500,000 | Direct |
| Dec. 27, 2017 | CUE | No securities are beneficially owned | 0 | Direct |
| June 28, 2017 | NDRA | Stock Options [F1] | 2,997 | Direct |
| June 28, 2017 | NDRA | Stock Options [F1] | 1,799 | Direct |
| May 19, 2017 | NDRA | Common Stock | 39,199 | Direct |
| May 19, 2017 | NDRA | Stock Options | 3,297 | Direct |
| May 19, 2017 | NDRA | Warrants to Purchase Common Stock | 999 | Direct |
| May 19, 2017 | NDRA | Convertible Promissory Note | · | Direct |