Michael A. Kleinberg
Insider
First SEC filing: Oct. 26, 2026 · Latest: Oct. 26, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 22, 2026 | NANO | A | 19,719 | · | · | 19,719 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 19,719 | · | · | 19,719 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 370,444 | · | · | 370,444 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 370,444 | · | · | 370,444 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 26,358 | · | · | 26,358 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 26,358 | · | · | 26,358 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 25,076 | · | · | 25,076 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 25,076 | · | · | 25,076 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 441,597 | · | · | 441,597 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 441,597 | · | · | 441,597 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 17,382 | · | · | 17,382 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 17,382 | · | · | 17,382 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 34,194 | · | · | 34,194 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 34,194 | · | · | 34,194 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 14,790 | · | · | 14,790 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 14,790 | · | · | 14,790 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 464,386 | · | · | 464,386 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 464,386 | · | · | 464,386 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 221,905 | · | · | 221,905 Direct | · | Acquired | |
| Oct. 22, 2026 | NANO | A | 221,905 | · | · | 221,905 Direct | · | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $0.37 | Feb. 7, 2031 | 370,444 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $0.37 | Feb. 7, 2031 | 370,444 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $0.56 | April 11, 2032 | 26,358 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $0.56 | April 11, 2032 | 26,358 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $1.03 | March 31, 2034 | 25,076 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $1.03 | March 31, 2034 | 25,076 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $1.33 | Dec. 11, 2034 | 441,597 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $1.33 | Dec. 11, 2034 | 441,597 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $2.94 | Oct. 23, 2035 | 17,382 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $2.94 | Oct. 23, 2035 | 17,382 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $2.94 | March 29, 2036 | 34,194 | Acquired |
| Oct. 22, 2026 | NANO | Stock Option (right to buy) | Common Stock | $2.94 | March 29, 2036 | 34,194 | Acquired |
| Oct. 22, 2026 | NANO | Earnout-shares | Common Stock | · | Oct. 22, 2031 | 14,790 | Acquired |
| Oct. 22, 2026 | NANO | Earnout-shares | Common Stock | · | Oct. 22, 2031 | 14,790 | Acquired |
| Oct. 22, 2026 | NANO | Performance Stock Units | Common Stock | · | Oct. 22, 2031 | 464,386 | Acquired |
| Oct. 22, 2026 | NANO | Performance Stock Units | Common Stock | · | Oct. 22, 2031 | 464,386 | Acquired |
| Oct. 22, 2026 | NANO | Performance Stock Units | Common Stock | · | Oct. 22, 2031 | 221,905 | Acquired |
| Oct. 22, 2026 | NANO | Performance Stock Units | Common Stock | · | Oct. 22, 2031 | 221,905 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).