Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 2, 2025 HOWL A 68,151 · · 68,151 Direct · Acquired (price as of 2026-10-05)
Jan. 2, 2025 HOWL A 187,500 · · 187,500 Direct · Acquired (price as of 2026-10-05)
Jan. 2, 2024 HOWL A 200,000 · · 200,000 Direct · Acquired (price as of 2026-10-05)
Jan. 3, 2023 HOWL A 103,300 · · 103,300 Direct · Acquired (price as of 2026-10-05)
Jan. 6, 2022 HOWL A 79,516 · · 79,516 Direct · Acquired (price as of 2026-10-05)
April 30, 2021 HOWL A 56,786 · · 56,786 Direct · Acquired (price as of 2026-10-05)
Dec. 8, 2020 HOWL A 140,208 · · 140,208 Direct · Acquired (price as of 2026-10-05)
Nov. 9, 2020 HOWL A 176,966 · · 176,966 Direct · Acquired (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 2, 2025 HOWL Stock Option (right to buy) Common Stock (68,151) $1.56 Dec. 31, 2034 68,151 Acquired
Jan. 2, 2025 HOWL Stock Option (right to buy) Common Stock (187,500) $1.56 Dec. 31, 2034 187,500 Acquired
Jan. 2, 2024 HOWL Stock Option (right to buy) Common Stock (200,000) $4.64 Dec. 31, 2033 200,000 Acquired
Jan. 3, 2023 HOWL Stock Option (right to buy) Common Stock (103,300) $2.05 Dec. 31, 2032 103,300 Acquired
Jan. 6, 2022 HOWL Stock Option (right to buy) Common Stock (79,516) $11.55 Jan. 5, 2032 79,516 Acquired
April 30, 2021 HOWL Stock Option (right to buy) Common Stock (56,786) $16.00 April 29, 2031 56,786 Acquired
Dec. 8, 2020 HOWL Stock Option (right to buy) Common Stock (140,208) $4.77 Dec. 7, 2030 140,208 Acquired
Nov. 9, 2020 HOWL Stock Option (right to buy) Common Stock (176,966) $3.03 Nov. 8, 2030 176,966 Acquired

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

Initial ownership (Form 3) 2 holdings

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

DateTickerSecuritySharesOwnership
April 29, 2021 HOWL Stock Option (right to buy)→ Common Stock (176,966) 176,966 Direct
April 29, 2021 HOWL Stock Option (right to buy)→ Common Stock (140,208) 140,208 Direct

Compensation (DEF 14A)

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

HOWL

M.D. Chief Medical Officer
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2022 $442,000 $183,519 · $581,670 · · $11,630 $1,218,819

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