HOFFMAN Robert Thurston Sr
Insider
Activist
First SEC filing: July 30, 2018 · Latest: Feb. 19, 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 1, 2024 | CLIR | A | 20,408 | · | · | 224,311 Direct | +10.01% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | CLIR | A | 18,691 | · | · | 203,903 Direct | +10.09% | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2023 | CLIR | A | 19,047 | · | · | 185,212 Direct | +11.46% | Acquired | (price as of 2026-10-02) |
| July 3, 2023 | CLIR | A | 14,705 | · | · | 166,165 Direct | +9.71% | Acquired | (price as of 2026-10-02) |
| April 3, 2023 | CLIR | A | 25,062 | · | · | 151,460 Direct | +19.83% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2023 | CLIR | A | 37,278 | · | · | 37,278 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 3, 2022 | CLIR | A | 20,946 | · | · | 20,946 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2022 | CLIR | A | 15,873 | · | · | 15,873 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2022 | CLIR | A | 12,121 | · | · | 12,121 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2022 | CLIR | A | 13,888 | · | · | 13,888 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 16, 2021 | CLIR | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 24, 2021 | CLIR | A | 6,896 | · | · | 6,896 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 24, 2021 | CLIR | A | 6,896 | · | · | 6,896 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2021 | CLIR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 19, 2020 | CLIR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2020 | CLIR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 18, 2020 | CLIR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2020 | CLIR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2019 | CLIR | A | 21,625 | · | · | 43,250 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| May 9, 2019 | CLIR | A | 86,500 | · | · | 86,500 Direct | · | Acquired | (price as of 2026-10-02) |
| May 9, 2019 | CLIR | A | 21,625 | · | · | 21,625 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2018 | CLIR | A | 13,153 | · | · | 13,153 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 |
|---|---|---|---|---|---|---|---|
| April 1, 2024 | CLIR | Restricted Stock Units | Common Stock | · | · | 20,408 | Acquired |
| Jan. 2, 2024 | CLIR | Restricted Stock Units | Common Stock | · | · | 18,691 | Acquired |
| Oct. 2, 2023 | CLIR | Restricted Stock Units | Common Stock | · | · | 19,047 | Acquired |
| July 3, 2023 | CLIR | Restricted Stock Units | Common Stock | · | · | 14,705 | Acquired |
| April 3, 2023 | CLIR | Restricted Stock Units | Common Stock | · | · | 25,062 | Acquired |
| Jan. 3, 2023 | CLIR | Restricted Stock Units | Common Stock | · | · | 37,278 | Acquired |
| Oct. 3, 2022 | CLIR | Restricted Stock Units | Common Stock | · | · | 20,946 | Acquired |
| July 1, 2022 | CLIR | Restricted Stock Units | Common Stock | · | · | 15,873 | Acquired |
| April 1, 2022 | CLIR | Restricted Stock Units | Common Stock | · | · | 12,121 | Acquired |
| Jan. 3, 2022 | CLIR | Restricted Stock Units | Common Stock | · | · | 13,888 | Acquired |
| Nov. 16, 2021 | CLIR | Restricted Stock Units | Common Stock | · | · | 12,500 | Acquired |
| Aug. 24, 2021 | CLIR | Restricted Stock Units | Common Stock | · | · | 6,896 | Acquired |
| Aug. 24, 2021 | CLIR | Restricted Stock Units | Common Stock | · | · | 6,896 | Acquired |
| Jan. 22, 2021 | CLIR | Option to Purchase Common Stock [F1] | Common Stock | $3.97 | Jan. 21, 2031 | 20,000 | Acquired |
| Nov. 19, 2020 | CLIR | Option to Purchase Common Stock [F1] | Common Stock | $2.38 | Nov. 18, 2030 | 20,000 | Acquired |
| Aug. 18, 2020 | CLIR | Option to Purchase Common Stock [F1] | Common Stock | $2.30 | Aug. 17, 2030 | 20,000 | Acquired |
| May 18, 2020 | CLIR | Option to Purchase Common Stock [F1] | Common Stock | $0.54 | May 18, 2030 | 20,000 | Acquired |
| April 1, 2020 | CLIR | Option to Purchase Common Stock [F1] | Common Stock | $0.72 | April 1, 2030 | 20,000 | Acquired |
| June 30, 2019 | CLIR | Option to Purchase Common Stock | Common Stock | $1.00 | April 1, 2029 | 21,625 | Acquired |
| May 9, 2019 | CLIR | Option to Purchase Common Stock | Common Stock | $1.00 | April 1, 2029 | 86,500 | Acquired |
| May 9, 2019 | CLIR | Option to Purchase Common Stock | Common Stock | $1.00 | April 1, 2029 | 21,625 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.