SMITH J. JEFFERSON 4

4 · PRECISION BIOSCIENCES INC · Filed Feb 19, 2026

AI-generated summary of this filing

Updated Feb 19, 2026

Precision Bio (DTIL) CRO Smith J. Jefferson Receives RSUs, Sells Shares

What Happened

Smith J. Jefferson, Chief Research Officer of Precision BioSciences (DTIL), had Restricted Stock Units (RSUs) vest and convert into common shares on Feb 17, 2026. The Form 4 reports an exercise/conversion of 16,667 RSU-derived shares (reported at $0.00) tied to that vesting. The filing also shows an open-market sale on Feb 18, 2026 of 4,925 shares at $3.84 per share, generating $18,912 in proceeds. Footnotes indicate the transactions relate to RSU vesting and settlement.

Key Details

Dates & prices:
- Feb 17, 2026: conversion/settlement of RSUs (16,667 shares reported as acquired at $0.00; a related derivative disposition of 16,667 shares is also reported).
- Feb 18, 2026: open-market sale of 4,925 shares at $3.84 — proceeds $18,912.
Purpose/footnotes: Sales were effected under a Rule 10b5-1 plan as a sell-to-cover to satisfy tax withholding on RSU vesting (Reporting Person states shares were sold only to cover required taxes and fees).
Shares owned after transaction: Not disclosed in the provided summary of this Form 4.
Timeliness: Filing covers the Feb 17, 2026 vesting and was filed Feb 19, 2026 (appears timely).

Context

RSUs are awards that convert to shares upon vesting; this was a routine vesting/settlement event rather than a voluntary investment or market-timed sale. The small open-market sale was to cover withholding taxes and is generally viewed as administrative rather than a signal about company prospects. Purchases by insiders are typically more informative about sentiment than sell-to-cover transactions.

Form 4

Period: 2026-02-17

Chief Research Officer

Transactions

Exercise/Conversion
Common Stock
[F1][F2]
2026-02-17+16,667→ 126,851 total
Sale
Common Stock
[F3]
2026-02-18$3.84/sh−4,925$18,912→ 121,926 total
Exercise/Conversion
Restricted Stock Units
[F2][F4]
2026-02-17−16,667→ 33,333 total
→ Common Stock (16,667 underlying)

Holdings

Footnotes (4)

[F1]Represents the vesting of Restricted Stock Units ("RSUs") on February 17, 2026.
[F2]Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.
[F3]The sales were effected pursuant to a Rule 10b5-1 plan adopted on April 25, 2024. The transaction was a sell-to-cover, with shares only sold to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The Reporting Person did not sell or otherwise dispose of shares reported on this Form 4 for any reason other than to cover required taxes and fees.
[F4]RSUs vests in three substantially equal annual installments beginning on February 17, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting dates.

Signature

/s/ Dario Scimeca Attorney-in-fact for Jeff Smith|2026-02-19

1 file