Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 72 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

72 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 27, 2025 HALO S 10b5-1 1,597 $58.25 $93,025 173,856 Direct -0.91% Disposed 88.6% (price as of 2026-10-02)
Feb. 27, 2025 HALO S 10b5-1 100 $58.74 $5,874 173,756 Direct -0.06% Disposed 87.0% (price as of 2026-10-02)
Feb. 26, 2025 HALO S 10b5-1 9,400 $58.09 $546,046 176,053 Direct -5.07% Disposed 89.1% (price as of 2026-10-02)
Feb. 26, 2025 HALO S 10b5-1 600 $58.65 $35,190 175,453 Direct -0.34% Disposed 87.3% (price as of 2026-10-02)
Feb. 25, 2025 HALO S 10b5-1 9,300 $58.01 $539,493 186,153 Direct -4.76% Disposed 89.4% (price as of 2026-10-02)
Feb. 25, 2025 HALO S 10b5-1 700 $58.67 $41,069 185,453 Direct -0.38% Disposed 87.3% (price as of 2026-10-02)
Oct. 16, 2024 HALO S 10b5-1 10,000 $53.26 $532,600 173,756 Direct -5.44% Disposed 106.3% (price as of 2026-10-02)
Oct. 15, 2024 HALO S 10b5-1 9,923 $53.74 $533,262 173,833 Direct -5.40% Disposed 104.4% (price as of 2026-10-02)
Oct. 15, 2024 HALO S 10b5-1 77 $54.24 $4,176 173,756 Direct -0.04% Disposed 102.5% (price as of 2026-10-02)
Sept. 18, 2024 HALO S 10b5-1 7,963 $61.89 $492,830 175,793 Direct -4.33% Disposed 77.5% (price as of 2026-10-02)
Sept. 18, 2024 HALO S 10b5-1 2,037 $62.58 $127,475 173,756 Direct -1.16% Disposed 75.6% (price as of 2026-10-02)
Sept. 17, 2024 HALO S 10b5-1 10,000 $62.88 $628,800 173,756 Direct -5.44% Disposed 74.7% (price as of 2026-10-02)
Aug. 21, 2024 HALO S 10b5-1 9,900 $61.74 $611,226 168,276 Direct -5.56% Disposed 77.9% (price as of 2026-10-02)
Aug. 21, 2024 HALO S 10b5-1 100 $62.34 $6,234 168,176 Direct -0.06% Disposed 76.2% (price as of 2026-10-02)
Aug. 20, 2024 HALO S 10b5-1 10,000 $61.06 $610,600 168,176 Direct -5.61% Disposed 79.9% (price as of 2026-10-02)
July 24, 2024 HALO S 10b5-1 10,000 $55.12 $551,200 168,176 Direct -5.61% Disposed 99.3% (price as of 2026-10-02)
July 23, 2024 HALO S 10b5-1 4,709 $54.46 $256,452 173,467 Direct -2.64% Disposed 101.7% (price as of 2026-10-02)
July 23, 2024 HALO S 10b5-1 5,291 $55.26 $292,381 168,176 Direct -3.05% Disposed 98.8% (price as of 2026-10-02)
June 18, 2024 HALO S 10b5-1 10,000 $49.43 $494,300 168,176 Direct -5.61% Disposed 122.3% (price as of 2026-10-02)
May 22, 2024 HALO S 10b5-1 10,000 $45.38 $453,800 168,176 Direct -5.61% Disposed 142.1% (price as of 2026-10-02)
May 21, 2024 HALO S 10b5-1 10,000 $45.16 $451,600 168,176 Direct -5.61% Disposed 143.3% (price as of 2026-10-02)
April 17, 2024 HALO S 10b5-1 10,000 $38.49 $384,900 168,176 Direct -5.61% Disposed 185.4% (price as of 2026-10-02)
April 16, 2024 HALO S 10b5-1 10,000 $38.35 $383,500 168,176 Direct -5.61% Disposed 186.5% (price as of 2026-10-02)
March 13, 2024 HALO S 10b5-1 10,000 $42.27 $422,700 156,558 Direct -6.00% Disposed 159.9% (price as of 2026-10-02)
March 12, 2024 HALO S 10b5-1 10,000 $41.64 $416,400 156,558 Direct -6.00% Disposed 163.8% (price as of 2026-10-02)
Feb. 28, 2024 HALO S 10b5-1 2,529 $39.56 $100,047 156,558 Direct -1.59% Disposed 177.7% (price as of 2026-10-02)
Feb. 28, 2024 HALO S 10b5-1 7,471 $39.54 $295,403 156,558 Direct -4.55% Disposed 177.8% (price as of 2026-10-02)
Feb. 27, 2024 HALO S 10b5-1 10,000 $39.95 $399,500 159,087 Direct -5.91% Disposed 175.0% (price as of 2026-10-02)

Showing latest 100 of 262 transactions

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 23, 2025 HALO Restricted Stock Units Common Stock (4,747) $0.00 · 4,747 Disposed
Feb. 20, 2025 HALO Option to Purchase Common Stock Common Stock (11,902) $57.44 Feb. 20, 2035 11,902 Acquired
Feb. 20, 2025 HALO Restricted Stock Units Common Stock (11,230) $0.00 · 11,230 Acquired
Feb. 16, 2025 HALO Performance Stock Units Common Stock (20,891) $0.00 · 20,891 Disposed
Feb. 16, 2025 HALO Restricted Stock Units Common Stock (6,112) $0.00 · 6,112 Disposed
Feb. 16, 2025 HALO Restricted Stock Units Common Stock (4,263) $0.00 · 4,263 Disposed
Feb. 15, 2025 HALO Restricted Stock Units Common Stock (3,386) $0.00 · 3,386 Disposed
Feb. 12, 2025 HALO Performance Stock Units Common Stock (7,262) $0.00 · 7,262 Acquired
Feb. 12, 2025 HALO Performance Stock Units Common Stock (4,177) $0.00 · 4,177 Acquired
Feb. 12, 2025 HALO Performance Stock Unit Common Stock (4,921) $0.00 · 4,921 Acquired
Feb. 12, 2025 HALO Performance Stock Units Common Stock (20,342) $0.00 · 20,342 Acquired
Oct. 16, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $19.98 Feb. 10, 2030 10,000 Disposed
Oct. 15, 2024 HALO Option to Purchase Common Stock Common Stock (5,509) $16.65 Feb. 12, 2029 5,509 Disposed
Oct. 15, 2024 HALO Option to Purchase Common Stock Common Stock (4,491) $19.98 Feb. 10, 2030 4,491 Disposed
Sept. 18, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $16.65 Feb. 12, 2029 10,000 Disposed
Sept. 17, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $16.65 Feb. 12, 2029 10,000 Disposed
Aug. 27, 2024 HALO Option to Purchase Common Stock Common Stock (5,580) $18.41 Feb. 14, 2028 5,580 Disposed
Aug. 21, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $16.65 Feb. 12, 2029 10,000 Disposed
Aug. 20, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $16.65 Feb. 12, 2029 10,000 Disposed
July 24, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 1,715 Disposed
July 24, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $16.65 Feb. 12, 2029 8,285 Disposed
July 23, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
June 18, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
May 22, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
May 21, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
April 17, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
April 16, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $8.11 Feb. 3, 2026 10,000 Disposed
March 26, 2024 HALO Option to Purchase Common Stock Common Stock (8,436) $12.07 Feb. 22, 2027 8,436 Disposed
March 26, 2024 HALO Option to Purchase Common Stock Common Stock (292) $16.78 July 2, 2028 292 Disposed
March 26, 2024 HALO Option to Purchase Common Stock Common Stock (2,890) $8.11 Feb. 3, 2026 2,890 Disposed
March 13, 2024 HALO Option to Purchase Common Stock Common Stock (6,449) $12.07 Feb. 22, 2027 6,449 Disposed
March 13, 2024 HALO Option to Purchase Common Stock Common Stock (3,551) $8.11 Feb. 3, 2026 3,551 Disposed
March 12, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $12.07 Feb. 22, 2027 10,000 Disposed
Feb. 28, 2024 HALO Option to Purchase Common Stock Common Stock (7,471) $8.11 Feb. 3, 2026 7,471 Disposed
Feb. 23, 2024 HALO Option to Purchase Common Stock Common Stock (19,674) $40.56 Feb. 23, 2034 19,674 Acquired
Feb. 23, 2024 HALO Restricted Stock Units Common Stock (18,985) $0.00 · 18,985 Acquired
Feb. 16, 2024 HALO Restricted Stock Units Common Stock (6,112) $0.00 · 6,112 Disposed
Feb. 16, 2024 HALO Restricted Stock Units Common Stock (4,264) $0.00 · 4,264 Disposed
Feb. 15, 2024 HALO Restricted Stock Units Common Stock (3,386) $0.00 · 3,386 Disposed
Feb. 10, 2024 HALO Restricted Stock Units Common Stock (8,133) $0.00 · 8,133 Disposed
Jan. 17, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $12.07 Feb. 22, 2027 10,000 Disposed
Jan. 16, 2024 HALO Option to Purchase Common Stock Common Stock (10,000) $12.07 Feb. 22, 2027 10,000 Disposed
Dec. 13, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $12.07 Feb. 22, 2027 10,000 Disposed
Dec. 12, 2023 HALO Option to Purchase Common Stock Common Stock (8,533) $13.81 Feb. 4, 2025 8,533 Disposed
Dec. 12, 2023 HALO Option to Purchase Common Stock Common Stock (1,467) $12.07 Feb. 22, 2027 1,467 Disposed
Nov. 15, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $13.81 Feb. 4, 2025 10,000 Disposed
Nov. 14, 2023 HALO Option to Purchase Common Stock Common Stock (8,292) $13.81 Feb. 4, 2025 8,292 Disposed
Nov. 14, 2023 HALO Option to Purchase Common Stock Common Stock (1,708) $16.78 July 2, 2028 1,708 Disposed
Oct. 17, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $19.98 Feb. 10, 2030 10,000 Disposed
Sept. 19, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $19.98 Feb. 10, 2030 10,000 Disposed
Aug. 22, 2023 HALO Option to Purchase Common Stock Common Stock (1,925) $18.41 Feb. 14, 2028 1,925 Disposed
Aug. 22, 2023 HALO Option to Purchase Common Stock Common Stock (8,075) $19.98 Feb. 10, 2030 8,075 Disposed
July 18, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $18.41 Feb. 14, 2028 10,000 Disposed
July 18, 2023 HALO Option to Purchase Common Stock Common Stock (7,175) $13.81 Feb. 4, 2025 7,175 Disposed
July 18, 2023 HALO Option to Purchase Common Stock Common Stock (2,825) $8.11 Feb. 3, 2026 2,825 Disposed
June 21, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $18.41 Feb. 14, 2028 10,000 Disposed
April 18, 2023 HALO Option to Purchase Common Stock Common Stock (10,000) $18.41 Feb. 14, 2028 10,000 Disposed
Feb. 27, 2023 HALO Option to Purchase Common Stock Common Stock (2,984) $18.41 Feb. 14, 2028 2,984 Disposed
Feb. 16, 2023 HALO Restricted Stock Units Common Stock (6,112) $0.00 · 6,112 Disposed
Feb. 16, 2023 HALO Option to Purchase Common Stock Common Stock (48,849) $49.26 Feb. 16, 2033 48,849 Acquired
Feb. 16, 2023 HALO Restricted Stock Units Common Stock (17,053) $0.00 · 17,053 Acquired
Feb. 15, 2023 HALO Restricted Stock Units Common Stock (3,386) $0.00 · 3,386 Disposed
Feb. 12, 2023 HALO Restricted Stock Unit Common Stock (7,883) $0.00 · 7,883 Disposed
Feb. 10, 2023 HALO Restricted Stock Units Common Stock (8,133) $0.00 · 8,133 Disposed
Feb. 16, 2022 HALO Restricted Stock Units Common Stock (24,448) $0.00 · 24,448 Acquired
Feb. 16, 2022 HALO Option to Purchase Common Stock Common Stock (74,777) $34.36 Feb. 16, 2032 74,777 Acquired
Feb. 15, 2022 HALO Restricted Stock Units Common Stock (3,386) $0.00 · 3,386 Disposed
Feb. 14, 2022 HALO Restricted Stock Units Common Stock (5,771) $0.00 · 5,771 Disposed
Feb. 12, 2022 HALO Restricted Stock Units Common Stock (7,883) $0.00 · 7,883 Disposed
Feb. 10, 2022 HALO Restricted Stock Units Common Stock (8,133) $0.00 · 8,133 Disposed
Oct. 12, 2021 HALO Option to Purchase Common Stock Common Stock (8,050) $13.10 Feb. 6, 2024 8,050 Disposed
Oct. 1, 2021 HALO Option to Purchase Common Stock Common Stock (29,450) $13.10 Feb. 6, 2024 29,450 Disposed
July 15, 2021 HALO Option to Purchase Common Stock Common Stock (14,685) $6.55 Feb. 4, 2023 14,685 Disposed
July 1, 2021 HALO Option to Purchase Common Stock Common Stock (40,315) $6.55 Feb. 4, 2023 40,315 Disposed
May 3, 2021 HALO Option to Purchase Common Stock Common Stock (11,311) $11.29 Feb. 2, 2022 11,311 Disposed
April 1, 2021 HALO Option to Purchase Common Stock Common Stock (28,689) $11.29 Feb. 12, 2022 28,689 Disposed
Feb. 22, 2021 HALO Restricted Stock Units Common Stock (8,803) $0.00 · 8,803 Disposed
Feb. 15, 2021 HALO Restricted Stock Units Common Stock (13,544) $0.00 · 13,544 Acquired
Feb. 15, 2021 HALO Option to Purchase Common Stock Common Stock (23,311) $49.84 Feb. 15, 2031 23,311 Acquired
Feb. 14, 2021 HALO Restricted Stock Units Common Stock (5,771) $0.00 · 5,771 Disposed
Feb. 12, 2021 HALO Restricted Stock Units Common Stock (7,883) $0.00 · 7,883 Disposed
Feb. 10, 2021 HALO Restricted Stock Units Common Stock (8,134) $0.00 · 8,134 Disposed
May 22, 2020 HALO Option to Purchase Common Stock Common Stock (18,613) $7.14 Feb. 3, 2021 18,613 Disposed
May 20, 2020 HALO Option to Purchase Common Stock Common Stock (21,387) $7.14 Feb. 3, 2021 21,387 Disposed
Feb. 22, 2020 HALO Restricted Stock Units Common Stock (8,803) $0.00 · 8,803 Disposed
Feb. 14, 2020 HALO Restricted Stock Units Common Stock (5,772) $0.00 · 5,772 Disposed
Feb. 12, 2020 HALO Restricted Stock Units Common Stock (7,883) $0.00 · 7,883 Disposed
Feb. 10, 2020 HALO Restricted Stock Units Common Stock (32,533) $0.00 · 32,533 Acquired
Feb. 10, 2020 HALO Option to Purchase Common Stock Common Stock (69,174) $19.98 Feb. 10, 2030 69,174 Acquired
Feb. 3, 2020 HALO Common Stock Common Stock (11,559) $0.00 · 11,559 Acquired
May 10, 2011 HALO Restricted Stock Units Common Stock (19,000) $0.00 May 15, 2012 19,000 Acquired
Feb. 3, 2011 HALO Option to Purchase Common Stock Common Stock (40,000) $7.14 Feb. 3, 2021 40,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 21 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Jan. 6, 2020 HALO Common Stock 154,223 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (40,000) 40,000 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (40,000) 40,000 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (55,000) 55,000 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (37,500) 37,500 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (34,000) 34,000 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (78,452) 78,452 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (56,352) 56,352 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (40,489) 40,489 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (2,000) 2,000 Direct
Jan. 6, 2020 HALO Option to Purchase Common Stock→ Common Stock (60,146) 60,146 Direct
Jan. 6, 2020 HALO Restricted Stock Unit→ Common Stock (11,559) 11,559 Direct
Jan. 6, 2020 HALO Restricted Stock Unit→ Common Stock (17,606) 17,606 Direct
Jan. 6, 2020 HALO Restricted Stock Unit→ Common Stock (17,314) 17,314 Direct
Jan. 6, 2020 HALO Restricted Stock Unit→ Common Stock (31,532) 31,532 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (ISO)→ Common Stock (9,845) 9,845 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (ISO)→ Common Stock (2,430) 2,430 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (ISO)→ Common Stock (54,752) 54,752 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (NSO)→ Common Stock (23,905) 23,905 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (NSO)→ Common Stock (11,633) 11,633 Direct
Dec. 13, 2010 HALO Option to Purchase Common Stock (NSO)→ Common Stock (20,248) 20,248 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $120,315 · $1,566,640 $276,450 · · $90,237 $2,053,642
2024 $556,200 · $1,870,112 $330,010 $263,305 · $18,814 $3,038,441
2023 $538,200 · $1,440,042 $960,005 $287,130 · $18,564 $3,243,941

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.