William J Loewenthal
CIK 1837881 · View on SEC EDGAR ↗
Insider
First SEC filing: March 23, 2021 · Latest: March 23, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 34 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
34 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 21, 2022 | CHPT | S | 3,051 | $9.53 | $29,076 | 432,892 Direct | -0.70% | Disposed | -96.9% (price as of 2026-08-21) |
| Dec. 12, 2022 | CHPT | S 10b5-1 | 3,115 | $10.94 | $34,078 | 435,943 Direct | -0.71% | Disposed | -97.3% (price as of 2026-08-21) |
| Nov. 2, 2022 | CHPT | S 10b5-1 | 3,115 | $14.03 | $43,703 | 435,943 Direct | -0.71% | Disposed | -97.9% (price as of 2026-08-21) |
| Oct. 3, 2022 | CHPT | S 10b5-1 | 3,115 | $15.10 | $47,036 | 435,943 Direct | -0.71% | Disposed | -98.0% (price as of 2026-08-21) |
| Sept. 21, 2022 | CHPT | S | 3,319 | $16.00 | $53,104 | 435,943 Direct | -0.76% | Disposed | -98.1% (price as of 2026-08-21) |
| Sept. 8, 2022 | CHPT | S 10b5-1 | 3,115 | $15.73 | $48,999 | 437,964 Direct | -0.71% | Disposed | -98.1% (price as of 2026-08-21) |
| Aug. 1, 2022 | CHPT | S 10b5-1 | 3,115 | $15.04 | $46,850 | 437,964 Direct | -0.71% | Disposed | -98.0% (price as of 2026-08-21) |
| July 1, 2022 | CHPT | S 10b5-1 | 3,115 | $13.97 | $43,517 | 437,964 Direct | -0.71% | Disposed | -97.9% (price as of 2026-08-21) |
| June 30, 2022 | CHPT | S 10b5-1 | 4,434 | $13.72 | $60,834 | 437,964 Direct | -1.00% | Disposed | -97.8% (price as of 2026-08-21) |
| June 22, 2022 | CHPT | S | 1,114 | $13.63 | $15,184 | 442,398 Direct | -0.25% | Disposed | -97.8% (price as of 2026-08-21) |
| June 17, 2022 | CHPT | S 10b5-1 | 4,026 | $12.92 | $52,016 | 443,512 Direct | -0.90% | Disposed | -97.7% (price as of 2026-08-21) |
| March 22, 2022 | CHPT | S | 1,319 | $17.92 | $23,636 | 192,726 Direct | -0.68% | Disposed | -98.3% (price as of 2026-08-21) |
| Dec. 21, 2021 | CHPT | S | 10,000 | $18.42 | $184,200 | 94,320 Direct | -9.59% | Disposed | -98.4% (price as of 2026-08-21) |
| Dec. 21, 2021 | CHPT | S | 1,087 | $18.06 | $19,631 | 104,320 Direct | -1.03% | Disposed | -98.3% (price as of 2026-08-21) |
| Dec. 16, 2021 | CHPT | S | 7,350 | $19.84 | $145,824 | 105,407 Direct | -6.52% | Disposed | -98.5% (price as of 2026-08-21) |
| Sept. 22, 2021 | CHPT | S | 1,087 | $20.15 | $21,903 | 92,757 Direct | -1.16% | Disposed | -98.5% (price as of 2026-08-21) |
| June 23, 2021 | CHPT | S | 2,224 | $32.22 | $71,657 | 79,410 Direct | -2.72% | Disposed | -99.1% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 12, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| Nov. 2, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| Oct. 3, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| Sept. 8, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| Aug. 1, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| July 1, 2022 | CHPT | Stock Option (right to buy) | Common Stock (3,115) | $0.76 | March 17, 2030 | 3,115 | Disposed |
| May 22, 2022 | CHPT | Stock Option (right to buy) | Common Stock (25,000) | $0.56 | Aug. 26, 2028 | 25,000 | Disposed |
| Jan. 25, 2022 | CHPT | Stock Option (right to buy) | Common Stock (15,000) | $0.56 | Aug. 26, 2028 | 15,000 | Disposed |
| Jan. 3, 2022 | CHPT | Stock Option (right to buy) | Common Stock (83,294) | $0.56 | Aug. 26, 2028 | 83,294 | Disposed |
| Sept. 24, 2021 | CHPT | Stock Option (right to buy) | Common Stock (20,000) | $0.56 | Aug. 26, 2028 | 20,000 | Disposed |
| July 26, 2021 | CHPT | Stock Option (right to buy) | Common Stock (10,000) | $0.56 | Aug. 26, 2028 | 10,000 | Disposed |
| Feb. 26, 2021 | CHPT | Stock Option (right to buy) | Common Stock (149,489) | $0.76 | March 17, 2029 | 149,489 | Acquired |
| Feb. 26, 2021 | CHPT | Stock Option (right to buy) | Common Stock (226,229) | $0.56 | Aug. 26, 2028 | 226,229 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).