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Michael Berman
Insider
First SEC filing: July 2, 2015 · Latest: July 2, 2015
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. 18, 2026 | NSPR | J | 30,625 | · | · | 30,624 Indirect | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 18, 2026 | NSPR | J | 30,625 | · | · | 30,625 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 18, 2026 | NSPR | J | 61,248 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 18, 2026 | NSPR | J | 61,248 | · | · | 61,248 Indirect | · | Acquired | (price as of 2026-10-02) |
| Jan. 14, 2026 | NSPR | A | 88,053 | · | · | 352,586 Direct | +33.29% | Acquired | (price as of 2026-10-02) |
| June 29, 2025 | NSPR | X | 61,248 | $1.38 | $84,522 | 244,994 Indirect | +33.33% | Acquired | -54.9% (price as of 2026-10-02) |
| June 29, 2025 | NSPR | X | 61,248 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 7, 2025 | NSPR | A | 32,491 | · | · | 264,533 Direct | +14.00% | Acquired | (price as of 2026-10-02) |
| Jan. 7, 2025 | NSPR | A | 14,836 | · | · | 84,950 Direct | +21.16% | Acquired | (price as of 2026-10-02) |
| June 24, 2024 | NSPR | X | 61,249 | $1.38 | $84,524 | 183,746 Indirect | +50.00% | Acquired | -54.9% (price as of 2026-10-02) |
| June 24, 2024 | NSPR | X | 61,249 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 23, 2024 | NSPR | A | 29,032 | · | · | 232,042 Direct | +14.30% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2024 | NSPR | A | 11,098 | · | · | 70,114 Direct | +18.81% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | NSPR | A | 3,782 | · | · | 203,010 Direct | +1.90% | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2023 | NSPR | A | 3,106 | · | · | 199,228 Direct | +1.58% | Acquired | (price as of 2026-10-02) |
| July 1, 2023 | NSPR | A | 4,351 | · | · | 196,122 Direct | +2.27% | Acquired | (price as of 2026-10-02) |
| May 17, 2023 | NSPR | A | 149,260 | · | · | 192,087 Direct | +348.52% | Acquired | (price as of 2026-10-02) |
| May 17, 2023 | NSPR | A | 49,750 | · | · | 59,016 Direct | +536.91% | Acquired | (price as of 2026-10-02) |
| May 12, 2023 | NSPR | P | 122,497 | $1.63 | $199,670 | 122,497 Indirect | · | Acquired | -61.8% (price as of 2026-10-02) |
| May 12, 2023 | NSPR | P | 61,249 | $1.63 | $99,836 | 61,249 Indirect | · | Acquired | -61.8% (price as of 2026-10-02) |
| May 12, 2023 | NSPR | P | 61,248 | $1.63 | $99,834 | 61,248 Indirect | · | Acquired | -61.8% (price as of 2026-10-02) |
| May 12, 2023 | NSPR | P | 61,249 | $1.63 | $99,836 | 61,249 Indirect | · | Acquired | -61.8% (price as of 2026-10-02) |
| May 12, 2023 | NSPR | P | 61,248 | $1.63 | $99,834 | 61,248 Indirect | · | Acquired | -61.8% (price as of 2026-10-02) |
| April 1, 2023 | NSPR | A | 9,491 | · | · | 42,827 Direct | +28.47% | Acquired | (price as of 2026-10-02) |
| Nov. 10, 2021 | NSPR | A | 17,248 | · | · | 33,336 Direct | +107.21% | Acquired | (price as of 2026-10-02) |
| Nov. 10, 2021 | NSPR | A | 5,749 | · | · | 5,749 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2021 | NSPR | P | 80,640 | $0.62 | $49,997 | 241,275 Direct | +50.20% | Acquired | -93.3% (price as of 2026-10-02) |
| Feb. 8, 2021 | NSPR | P | 40,320 | $0.62 | $24,998 | 40,320 Direct | · | Acquired | -93.3% (price as of 2026-10-02) |
| Aug. 31, 2020 | NSPR | A | 52,678 | · | · | 52,692 Direct | +376271.43% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2020 | NSPR | A | 158,033 | · | · | 160,635 Direct | +6073.52% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2020 | NSPR | A | 52,678 | · | · | 52,692 Direct | +376271.43% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2019 | NSPR | A | 130,000 | · | · | 130,005 Direct | +2600000.00% | Acquired | (price as of 2026-10-02) |
| Dec. 7, 2016 | NSPR | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2016 | NSPR | A | 111,800 | · | · | 111,800 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2016 | NSPR | A | 1 | · | · | 3,001 Direct | +0.03% | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2016 | NSPR | D | 12,442 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2016 | NSPR | D | 5,000 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2016 | NSPR | D | 3,805 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2016 | NSPR | D | 5,409 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2015 | NSPR | A | 74,559 | · | · | 74,559 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2015 | NSPR | A | 45,405 | · | · | 45,405 Direct | · | Acquired | (price as of 2026-10-02) |
| March 31, 2015 | NSPR | A | 40,127 | · | · | 40,127 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2015 | NSPR | A | 54,088 | · | · | 54,088 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2015 | NSPR | J | 38,045 | · | · | 38,045 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2014 | NSPR | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 16, 2013 | NSPR | P | 30,000 | $2.00 | $60,000 | 30,000 Direct | · | Acquired | -100.0% (price as of 2026-10-02) |
| Feb. 7, 2013 | NSPR | A | 124,415 | · | · | 124,415 Direct | · | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 18, 2026 | NSPR | Series J Warrant (right to buy) | Common Stock | $1.38 | · | 30,625 | Disposed |
| Sept. 18, 2026 | NSPR | Series J Warrant (right to buy) | Common Stock | $0.77 | · | 30,625 | Acquired |
| Sept. 18, 2026 | NSPR | Series K Warrant (right to buy) | Common Stock | $1.38 | · | 61,248 | Disposed |
| Sept. 18, 2026 | NSPR | Series K Warrant (right to buy) | Common Stock | $0.77 | · | 61,248 | Acquired |
| June 29, 2025 | NSPR | Series I Warrant (right to buy) | Common Stock | $1.38 | July 23, 2025 | 61,248 | Disposed |
| Jan. 7, 2025 | NSPR | Options to purchase common stock (right to buy) | Common Stock | $2.71 | Jan. 7, 2035 | 14,836 | Acquired |
| June 24, 2024 | NSPR | Series H Warrant (right to buy) | Common Stock | $1.38 | June 26, 2024 | 61,249 | Disposed |
| Jan. 23, 2024 | NSPR | Options to purchase common stock (right to buy) | Common Stock | $3.14 | Jan. 23, 2034 | 11,098 | Acquired |
| May 17, 2023 | NSPR | Options to purchase common stock (right to buy) | Common Stock | $1.76 | May 17, 2033 | 49,750 | Acquired |
| May 12, 2023 | NSPR | Series H Warrants to purchase Common Stock | Common Stock | $1.38 | · | 61,249 | Acquired |
| May 12, 2023 | NSPR | Series I Warrants to purchase Common Stock | Common Stock | $1.38 | · | 61,248 | Acquired |
| May 12, 2023 | NSPR | Series J Warrants to purchase Common Stock | Common Stock | $1.38 | · | 61,249 | Acquired |
| May 12, 2023 | NSPR | Series K Warrants to purchase Common Stock | Common Stock | $1.38 | · | 61,248 | Acquired |
| Nov. 10, 2021 | NSPR | Options to purchase common stock (right to buy) | Common Stock | $4.09 | Nov. 10, 2031 | 5,749 | Acquired |
| Feb. 8, 2021 | NSPR | Warrants | Common Stock | $0.68 | Feb. 8, 2026 | 40,320 | Acquired |
| Aug. 31, 2020 | NSPR | Options to purchase common stock (right to buy) [F2] | Common Stock | $0.39 | Aug. 31, 2030 | 52,678 | Acquired |
| Aug. 31, 2020 | NSPR | Options to purchase common stock (right to buy) | Common Stock | $0.39 | Aug. 31, 2030 | 52,678 | Acquired |
| Dec. 7, 2016 | NSPR | Options (right to buy) | Common Stock | $3.04 | Dec. 7, 2026 | 12,500 | Acquired |
| June 30, 2016 | NSPR | Options (right to buy) | Common Stock | $0.33 | June 30, 2026 | 111,800 | Acquired |
| Jan. 26, 2016 | NSPR | Options (right to buy) | Common Stock | · | Feb. 7, 2023 | 12,442 | Acquired |
| Jan. 26, 2016 | NSPR | Options (right to buy) | Common Stock | · | Jan. 29, 2024 | 5,000 | Acquired |
| Jan. 26, 2016 | NSPR | Options (right to buy) | Common Stock | · | Jan. 5, 2025 | 3,805 | Acquired |
| Jan. 26, 2016 | NSPR | Options (right to buy) | Common Stock | · | Jan. 26, 2025 | 5,409 | Acquired |
| Sept. 30, 2015 | NSPR | Options (right to buy) | Common Stock | $0.17 | Sept. 30, 2025 | 74,559 | Acquired |
| June 30, 2015 | NSPR | Option (right to buy) | Common Stock | $0.28 | June 30, 2025 | 45,405 | Acquired |
| March 31, 2015 | NSPR | Option (right to buy) | Common Stock | $0.32 | March 31, 2025 | 40,127 | Acquired |
| Jan. 26, 2015 | NSPR | Stock Options (right to buy) | Common Stock | $0.72 | Jan. 26, 2025 | 54,088 | Acquired |
| Jan. 5, 2015 | NSPR | Options to Purchase Common Stock | Common Stock | $0.78 | Jan. 5, 2025 | 38,045 | Acquired |
| Jan. 29, 2014 | NSPR | Options to Purchase Common Stock | Common Stock | $3.10 | Jan. 29, 2024 | 50,000 | Acquired |
| Feb. 7, 2013 | NSPR | Options to Purchase Common Stock | Common Stock | $3.40 | Feb. 7, 2023 | 124,415 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).