Robert Hershberg
CIK 1274139 · View on SEC EDGAR ↗
Insider
First SEC filing: April 15, 2021 · Latest: April 15, 2021
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-367,488
+ 70 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
70 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 10, 2025 | ADPT | S | 22,968 | $16.00 | $367,488 | 46,722 Direct | -32.96% | Disposed | 61.7% (price as of 2026-08-20) |
| March 12, 2025 | ADPT | S | 53,000 | $7.59 | $402,270 | 69,690 Direct | -43.20% | Disposed | 240.9% (price as of 2026-08-20) |
| June 3, 2022 | FATE | S | 672 | $22.75 | $15,288 | 2,009 Direct | -25.07% | Disposed | -88.8% (price as of 2026-08-20) |
| March 8, 2021 | ADPT | S 10b5-1 | 2,000 | $44.56 | $89,120 | 1,504 Direct | -57.08% | Disposed | -41.9% (price as of 2026-08-20) |
| March 8, 2021 | ADPT | S 10b5-1 | 2,000 | $44.56 | $89,120 | 0 Direct | -100.00% | Disposed | -41.9% (price as of 2026-08-20) |
| Feb. 16, 2021 | ADPT | S 10b5-1 | 2,000 | $65.45 | $130,900 | 1,504 Direct | -57.08% | Disposed | -60.5% (price as of 2026-08-20) |
| Jan. 15, 2021 | ADPT | S 10b5-1 | 622 | $67.05 | $41,705 | 0 Direct | -100.00% | Disposed | -61.4% (price as of 2026-08-20) |
| Jan. 15, 2021 | ADPT | S 10b5-1 | 1,378 | $66.34 | $91,417 | 622 Direct | -68.90% | Disposed | -61.0% (price as of 2026-08-20) |
| Dec. 15, 2020 | ADPT | S 10b5-1 | 241 | $57.01 | $13,739 | 0 Direct | -100.00% | Disposed | -54.6% (price as of 2026-08-20) |
| Dec. 15, 2020 | ADPT | S 10b5-1 | 1,759 | $55.78 | $98,117 | 241 Direct | -87.95% | Disposed | -53.6% (price as of 2026-08-20) |
| Nov. 16, 2020 | ADPT | S 10b5-1 | 223 | $48.41 | $10,795 | 0 Direct | -100.00% | Disposed | -46.6% (price as of 2026-08-20) |
| Nov. 16, 2020 | ADPT | S 10b5-1 | 1,777 | $47.60 | $84,585 | 223 Direct | -88.85% | Disposed | -45.6% (price as of 2026-08-20) |
| Oct. 15, 2020 | ADPT | S 10b5-1 | 2,000 | $51.51 | $103,020 | 0 Direct | -100.00% | Disposed | -49.8% (price as of 2026-08-20) |
| Sept. 15, 2020 | ADPT | S 10b5-1 | 2,000 | $42.58 | $85,160 | 0 Direct | -100.00% | Disposed | -39.2% (price as of 2026-08-20) |
| Aug. 17, 2020 | ADPT | S 10b5-1 | 561 | $40.04 | $22,462 | 0 Direct | -100.00% | Disposed | -35.4% (price as of 2026-08-20) |
| Aug. 17, 2020 | ADPT | S 10b5-1 | 1,439 | $39.13 | $56,308 | 561 Direct | -71.95% | Disposed | -33.9% (price as of 2026-08-20) |
| July 15, 2020 | ADPT | S 10b5-1 | 500 | $44.58 | $22,290 | 0 Direct | -100.00% | Disposed | -42.0% (price as of 2026-08-20) |
| July 15, 2020 | ADPT | S 10b5-1 | 1,500 | $43.60 | $65,400 | 500 Direct | -75.00% | Disposed | -40.7% (price as of 2026-08-20) |
| June 15, 2020 | ADPT | S 10b5-1 | 984 | $43.42 | $42,725 | 0 Direct | -100.00% | Disposed | -40.4% (price as of 2026-08-20) |
| June 15, 2020 | ADPT | S 10b5-1 | 1,016 | $42.59 | $43,271 | 984 Direct | -50.80% | Disposed | -39.2% (price as of 2026-08-20) |
| May 15, 2020 | ADPT | S 10b5-1 | 398 | $36.10 | $14,368 | 0 Direct | -100.00% | Disposed | -28.3% (price as of 2026-08-20) |
| May 15, 2020 | ADPT | S 10b5-1 | 400 | $35.23 | $14,092 | 398 Direct | -50.13% | Disposed | -26.6% (price as of 2026-08-20) |
| May 15, 2020 | ADPT | S 10b5-1 | 1,202 | $34.14 | $41,036 | 798 Direct | -60.10% | Disposed | -24.2% (price as of 2026-08-20) |
| April 23, 2020 | ADPT | S 10b5-1 | 25,000 | $29.77 | $744,250 | 0 Direct | -100.00% | Disposed | -13.1% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 5, 2025 | ATAI | Stock Option | Common Shares (103,000) | $4.48 | Nov. 5, 2035 | 103,000 | Acquired |
| Nov. 5, 2025 | ATAI | Stock Option | Common Shares (62,394) | $1.35 | Oct. 20, 2032 | 62,394 | Acquired |
| Nov. 5, 2025 | ATAI | Stock Option | Common Shares (97,716) | $1.35 | June 7, 2030 | 97,716 | Acquired |
| Nov. 5, 2025 | ATAI | Stock Option | Common Shares (456,011) | $1.35 | July 5, 2030 | 456,011 | Acquired |
| March 4, 2025 | ADPT | Stock Option (right to buy) | Common Stock (23,726) | $8.12 | March 4, 2035 | 23,726 | Acquired |
| March 4, 2024 | ADPT | Stock Option (right to buy) | Common Stock (48,044) | $3.99 | March 4, 2034 | 48,044 | Acquired |
| June 16, 2023 | RXRX | Stock Option (Right to Buy) | Class A Common Stock (25,224) | $8.92 | June 16, 2033 | 25,224 | Acquired |
| June 6, 2023 | FATE | Stock Option (Right to Buy) | Common Stock (40,000) | $5.52 | June 6, 2033 | 40,000 | Acquired |
| March 6, 2023 | ADPT | Stock Option (right to buy) | Common Stock (23,329) | $8.46 | March 6, 2033 | 23,329 | Acquired |
| Feb. 2, 2023 | ADPT | Stock Option (Right to Buy) | Common Stock (53,000) | $0.45 | Feb. 4, 2023 | 53,000 | Disposed |
| June 14, 2022 | RXRX | Stock Option (right to buy) | Class A Common Stock (36,290) | $6.20 | June 14, 2032 | 36,290 | Acquired |
| June 10, 2022 | SPRY | Stock Option (right to buy) | Common Stock (18,000) | $4.18 | June 9, 2032 | 18,000 | Acquired |
| June 9, 2022 | FATE | Stock Option (Right to Buy) | Common Stock (11,893) | $23.48 | June 9, 2032 | 11,893 | Acquired |
| Jan. 26, 2022 | ADPT | Stock Option (Right to Buy) | Common Stock (16,722) | $14.95 | Jan. 26, 2032 | 16,722 | Acquired |
| June 4, 2021 | SPRY | Stock Option (right to buy) | Common Stock (15,000) | $28.83 | June 3, 2031 | 15,000 | Acquired |
| June 2, 2021 | FATE | Stock Option (Right to Buy) | Common Stock (4,334) | $68.94 | June 1, 2031 | 4,334 | Acquired |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Class A Common Stock [F1] (525,000) | $2.22 | March 19, 2030 | 525,000 | Acquired |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Common Stock [F1] (525,000) | $2.22 | March 19, 2030 | 525,000 | Disposed |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Class A Common Stock [F1] (12,500) | $18.00 | April 14, 2031 | 12,500 | Acquired |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Common Stock [F1] (12,500) | $18.00 | April 14, 2031 | 12,500 | Disposed |
| April 15, 2021 | RXRX | Stock Option (Right to Buy) | Common Stock [F1] (12,500) | $18.00 | April 14, 2031 | 12,500 | Acquired |
| March 8, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| March 8, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Feb. 16, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Feb. 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (3,759) | $66.50 | Feb. 14, 2031 | 3,759 | Acquired |
| Jan. 15, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Dec. 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Dec. 3, 2020 | SPRY | Stock Option (right to buy) | Common Stock (73,251) | $21.00 | Dec. 2, 2030 | 73,251 | Acquired |
| Nov. 16, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Oct. 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Sept. 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| Aug. 17, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| July 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| June 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| May 15, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (2,000) | $0.45 | Feb. 4, 2023 | 2,000 | Disposed |
| May 1, 2020 | FATE | Stock Option (right to buy) | Common Stock (16,000) | $26.59 | May 1, 2030 | 16,000 | Acquired |
| May 1, 2020 | FATE | Stock Option (right to buy) | Common Stock (24,000) | $26.59 | May 1, 2030 | 24,000 | Acquired |
| April 23, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (25,000) | $0.45 | Feb. 4, 2023 | 25,000 | Disposed |
| Feb. 13, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (8,888) | $31.71 | Feb. 13, 2030 | 8,888 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 15, 2021 | RXRX | Stock Option (Right to Buy)→ Common Stock [F2] (525,000) | 525,000 | Direct |
| Dec. 3, 2020 | SPRY | Stock option (right to buy)→ Common Stock (38,098) | 38,098 | Direct |
| Dec. 3, 2020 | SPRY | Stock option (right to buy)→ Common Stock (6,863) | 6,863 | Direct |
| Dec. 3, 2020 | SPRY | Stock option (right to buy)→ Common Stock (13,704) | 13,704 | Direct |
| Dec. 3, 2020 | SPRY | Stock option (right to buy)→ Common Stock (14,209) | 14,209 | Direct |
| June 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (100,000) | 100,000 | Direct |
| June 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |
| June 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |
| June 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |
| June 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |