Athena Countouriotis
Insider
First SEC filing: June 4, 2026 · Latest: June 4, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 16, 2026 | IOVA | A | 90,316 | · | · | 90,316 Direct | · | Acquired | (price as of 2026-10-06) |
| June 2, 2026 | BMRN | A | 7,490 | · | · | 21,040 Direct | +55.28% | Acquired | (price as of 2026-10-06) |
| May 19, 2026 | PASG | A | 10,539 | · | · | 10,539 Direct | · | Acquired | (price as of 2026-10-06) |
| June 13, 2025 | IOVA | A | 67,546 | · | · | 67,546 Direct | · | Acquired | (price as of 2026-10-06) |
| May 28, 2025 | PASG | A | 201,857 | · | · | 201,857 Direct | · | Acquired | (price as of 2026-10-06) |
| May 20, 2025 | BMRN | A | 6,650 | · | · | 13,550 Direct | +96.38% | Acquired | (price as of 2026-10-06) |
| June 11, 2024 | IOVA | A | 49,303 | · | · | 49,303 Direct | · | Acquired | (price as of 2026-10-06) |
| May 21, 2024 | PASG | A | 47,693 | · | · | 47,693 Direct | · | Acquired | (price as of 2026-10-06) |
| May 21, 2024 | BMRN | A | 4,720 | · | · | 6,900 Direct | +216.51% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | IOVA | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Dec. 27, 2023 | BMRN | A | 2,180 | · | · | 2,180 Direct | · | Acquired | (price as of 2026-10-06) |
| June 6, 2023 | IOVA | A | 51,955 | · | · | 51,955 Direct | · | Acquired | (price as of 2026-10-06) |
| May 25, 2023 | PASG | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 10, 2022 | IOVA | A | 51,204 | · | · | 51,204 Direct | · | Acquired | (price as of 2026-10-06) |
| May 26, 2022 | PASG | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 29, 2021 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-06) |
| May 27, 2021 | PASG | A | 16,918 | · | · | 16,918 Direct | · | Acquired | (price as of 2026-10-06) |
| June 8, 2020 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-06) |
| March 24, 2020 | PASG | P | 10,000 | $14.98 | $149,800 | 18,900 Direct | +112.36% | Acquired | -98.6% (price as of 2026-10-06) |
| March 3, 2020 | PASG | P | 8,900 | $18.00 | $160,200 | 8,900 Direct | · | Acquired | -98.9% (price as of 2026-10-06) |
| Feb. 27, 2020 | PASG | A | 33,836 | · | · | 33,836 Direct | · | Acquired | (price as of 2026-10-06) |
| June 20, 2019 | CRDF | A | 44,734 | · | · | 46,019 Direct | +3481.25% | Acquired | (price as of 2026-10-06) |
| June 10, 2019 | IOVA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 23, 2018 | CRDF | A | 54,322 | · | · | 92,428 Direct | +142.55% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2017 | HALO | A | 45,568 | · | · | 45,568 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2017 | HALO | A | 72,925 | · | · | 72,925 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 3, 2017 | HALO | M | 18,496 | · | · | 55,487 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| Feb. 3, 2017 | HALO | F | 6,900 | $12.26 | $84,594 | 39,077 Direct | -15.01% | Disposed | 794.9% (price as of 2026-10-06) |
| Feb. 3, 2017 | HALO | M | 18,496 | · | · | 45,977 Direct | +67.30% | Acquired | (price as of 2026-10-06) |
| Jan. 5, 2017 | HALO | M | 7,500 | · | · | 15,000 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| Jan. 5, 2017 | HALO | M | 7,500 | · | · | 27,481 Direct | +37.54% | Acquired | (price as of 2026-10-06) |
| June 30, 2016 | HALO | M | 6,450 | · | · | 20,088 Direct | +47.29% | Acquired | (price as of 2026-10-06) |
| June 30, 2016 | HALO | F | 107 | $8.63 | $923 | 19,981 Direct | -0.53% | Disposed | 1171.4% (price as of 2026-10-06) |
| June 30, 2016 | HALO | A | 6,450 | · | · | 6,450 Direct | · | Acquired | (price as of 2026-10-06) |
| June 30, 2016 | HALO | M | 6,450 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 3, 2016 | HALO | A | 73,983 | · | · | 73,983 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 3, 2016 | HALO | A | 125,523 | · | · | 125,523 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 5, 2016 | HALO | M | 7,500 | · | · | 22,500 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| Jan. 5, 2016 | HALO | F | 3,257 | $16.39 | $53,382 | 13,638 Direct | -19.28% | Disposed | 569.4% (price as of 2026-10-06) |
| Jan. 5, 2016 | HALO | M | 7,500 | · | · | 16,895 Direct | +79.83% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2015 | HALO | F | 5,655 | $17.33 | $98,001 | 9,395 Direct | -37.57% | Disposed | 533.1% (price as of 2026-10-06) |
| Dec. 31, 2015 | HALO | A | 15,050 | · | · | 15,050 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 5, 2015 | HALO | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 5, 2015 | HALO | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| June 16, 2026 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 90,316 | Acquired |
| May 19, 2026 | PASG | Director Stock Option (right to buy) | Common Stock | $5.08 | May 19, 2036 | 10,539 | Acquired |
| June 13, 2025 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 67,546 | Acquired |
| May 28, 2025 | PASG | Director Stock Option (right to buy) | Common Stock | $0.36 | May 28, 2035 | 201,857 | Acquired |
| June 11, 2024 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 49,303 | Acquired |
| May 21, 2024 | PASG | Director Stock Option (right to buy) | Common Stock | $1.28 | May 21, 2034 | 47,693 | Acquired |
| March 1, 2024 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 50,000 | Acquired |
| June 6, 2023 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 51,955 | Acquired |
| May 25, 2023 | PASG | Director Stock Option (Right to Buy) | Common Stock | $1.00 | May 24, 2033 | 24,000 | Acquired |
| June 10, 2022 | IOVA | Deferred Restricted Stock Unit | Common Stock | · | · | 51,204 | Acquired |
| May 26, 2022 | PASG | Director Stock Option (Right to Buy) | Common Stock | $1.76 | May 25, 2032 | 24,000 | Acquired |
| June 29, 2021 | IOVA | Stock Option (right to buy) | Common Stock | $26.33 | June 29, 2031 | 35,000 | Acquired |
| May 27, 2021 | PASG | Director Stock Option (Right to Buy) | Common Stock | $13.83 | May 26, 2031 | 16,918 | Acquired |
| June 8, 2020 | IOVA | Stock Option (right to buy) | Common Stock | $32.17 | June 7, 2030 | 35,000 | Acquired |
| Feb. 27, 2020 | PASG | Director Stock Option (Right to Buy) | Common Stock | $18.00 | Feb. 27, 2030 | 33,836 | Acquired |
| June 20, 2019 | CRDF | Stock Options | Common Stock | $2.48 | June 20, 2029 | 44,734 | Acquired |
| June 10, 2019 | IOVA | Stock Option (right to buy) | Common Stock | $19.93 | June 9, 2029 | 35,000 | Acquired |
| Jan. 23, 2018 | CRDF | Stock Options | Common Stock | $0.30 | Jan. 23, 2028 | 54,322 | Acquired |
| Feb. 22, 2017 | HALO | Restricted Stock Units | Common Stock | $0.00 | · | 45,568 | Acquired |
| Feb. 22, 2017 | HALO | Option to Purchase Common Stock | Common Stock | $12.07 | Feb. 22, 2027 | 72,925 | Acquired |
| Feb. 3, 2017 | HALO | Restricted Stock Units | Common Stock | $0.00 | · | 18,496 | Disposed |
| Jan. 5, 2017 | HALO | Restricted Stock Units | Common Stock | $0.00 | · | 7,500 | Disposed |
| June 30, 2016 | HALO | Performance Stock Units | Common Stock | $0.00 | · | 6,450 | Acquired |
| June 30, 2016 | HALO | Performance Stock Units | Common Stock | $0.00 | · | 6,450 | Disposed |
| Feb. 3, 2016 | HALO | Restricted Stock Units | Common Stock | $0.00 | Feb. 3, 2026 | 73,983 | Acquired |
| Feb. 3, 2016 | HALO | Option to Purchase Common Stock | Common Stock | $8.11 | Feb. 3, 2026 | 125,523 | Acquired |
| Jan. 5, 2016 | HALO | Restricted Stock Units | Common Stock | $0.00 | · | 7,500 | Disposed |
| Jan. 5, 2015 | HALO | Restricted Stock Units | Common Stock | $0.00 | Jan. 5, 2025 | 30,000 | Acquired |
| Jan. 5, 2015 | HALO | Option to Purchase Common Stock | Common Stock | $9.99 | Jan. 5, 2025 | 250,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.